bluuebunny/crossref_metadata_2025 huggingface dataset:
Uterine Artery Embolization Improves Quality of Life in Patients with Pure Adenomyosis: A Single‑Center Experience
Authors: Alrashidi Ibrahim , Alharthy Hayat , Alahmari Faisal , Alammari Sultan , Alobaidi Hatim , Alruhaimi Abdulwaeed , Almat'hami Abdulaziz , Alkhalifah Abdulrahman , Garad Fares
Published: August 2020

Aim: The aim of the study was to assess clinical outcomes following uterine artery embolization (UAE) in the treatment of dysmenorrhea and menorrhagia related to pure adenomyosis. Materials and Methods: This was a retrospective analysis of 14 patients with dysmenorrhea and menorrhagia related to pure adenomyosis treated with UAE using polyvinyl alcohol (PVA) between January 2017 and September 2019. The baseline and 3-month and 12-month postintervention outcomes were assessed using Uterine Fibroid Symptom-Health-Related Quality of Life Questionnaire (UFS-QOL), Symptom Severity Score (SSS), and magnetic resonance imaging findings. The median age of the patients was 47 years (28–55). The main clinical presentation was dysmenorrhea and menorrhagia, with a median duration of symptom of 24 (12–84) months. All patients received combined estrogen-progestin and nonsteroidal anti-inflammatory drugs prior to UAE without clinical improvement. Results: According to UFS-QOL and SSS results, the score for distress level was statistically significantly reduced from baseline 4.6 (3.6–5) to 2.25 (1–3.37) (P = 0. 018) after 3 months, and remained stable 12 months later. The score of symptom level was statistically significantly reduced from 4 (3.6–5) at baseline to 1.6 (1–3.58) (P = 0. 018) after 3 months with maintained clinical satisfaction after 12-month follow-up. The junctional zone was statistically significantly reduced from baseline with a median of 33.5 mm (19–79 mm) to 25 mm (8–77 mm) after 3 and 12 months (P = 0.046). The incidence of post-UAE permanent amenorrhea is 71% with a mean age of 49 years. No patient underwent hysterectomy during the follow-up period. Conclusion: UAE using PVA can improve the quality of life in patients with menorrhagia and dysmenorrhea related to adenomyosis. However, larger prospective studies are needed to establish the long-term outcomes and risk of amenorrhea.
The bHLH transcription factor E protein negatively regulates endoreplication in the salivary gland cells
Authors: Ho Ching-Wei , Chung Yun-Chen , Chiu Yi-Lin , Wang Lan-Hsin
Published: August 2020

Background:

Endoreplication is a variant cell cycle which generates massive DNA replication with no features of mitosis. In addition to abnormal occurrence of endoreplication in cancer cells, it is often found in plants and many different animal organs, such as liver, placenta, and Drosophila larval tissues. In treatment with anti-mitotic drugs, it has been shown that cancer cells may undergo endoreplication to escape apoptosis. However, the underlying mechanisms of endoreplication in normal and pathological circumstances remain obscure.

Methods:

The regulation and function of most physiological processes are highly conserved between the fruit fly Drosophila melanogaster and mammals. In addition, using Drosophila as a research model can largely reduce genetic redundancy issues and provide a suitable way to observe cell autonomy. To address the aforementioned questions, we use the Drosophila as an animal model to study the function of fundamental regulators in endoreplication.

Results:

In the present study, we demonstrated that high levels of bHLH transcription factor E protein are capable of inhibiting endoreplication in larval salivary glands. The negative regulation of E protein in endoreplication depends on the dysregulation of cell cycle regulators, including E2f1 and its target genes Cyclin E and PCNA. However, the endoreplication defects caused by E protein overexpression are independent of the Hippo tumor suppressor pathway.

Conclusions:

Our results reveal that endoreplication can be prevented by high levels of E protein through disrupting the oscillations of cell cycle regulators.
Restrictive versus liberal transfusion strategy in upper gastrointestinal bleeding
Authors: Kola Gautham , Sureshkumar Sathasivam , Mohsina Subair , Sreenath GS , Kate Vikram
Published: August 2020

Background:

The study aimed at comparing restrictive and liberal transfusion strategy in reducing mortality in patients with upper gastrointestinal bleeding (UGIB).

Methods:

This was a single-center, prospective, open-label, non-inferiority, randomized controlled trial conducted over two years. Patients presenting with UGIB were randomized into restrictive (hemoglobin (Hb) <7 g/dl) or liberal (Hb <8 g/dl) transfusion strategy groups. Transfusion was given till patients achieved target Hb of 9 g/dl in restrictive and 10 g/dl in the liberal arms. Patients with exsanguinating bleeding, transfusion within 90 days, recent history of trauma or surgery were excluded. Primary outcome was mortality rate and the secondary outcomes were morbidity, re-bleeding episodes and the need for intervention.

Results:

A total of 224 patients were randomized to 112 patients in each group. Demographic characteristics were comparable. 45-day mortality was similar between the two groups (restrictive vs. liberal; 10/112 vs. 12/112; P = 0.65). The number of in-hospital bleeding episodes (12 vs. 9; P = 0.25), incidence of re-bleeding during the 45-day follow-up (13 vs. 14; P = 0.84), need for endoscopic banding for varices (37/112 vs. 39/112, P = 0.99), mean hospital stay (days) (3.21 ± 2.78 vs. 2.73 ± 1.29; P = 0.10) were similar between the two groups.

Conclusion:

Restrictive transfusion strategy is non-inferior to liberal transfusion strategy in patients with UGIB.
Size of corpora and collocations: The case of Russian
Authors: Khokhlova Maria , Benko Vladimir
Published: August 2020

With the arrival of information technologies to linguistics, compiling a large corpus of data, and of web texts in particular, has now become a mere technical matter. These new opportunities have revived the question of corpus volume that can be formulated in the following way: are larger corpora better for linguistic research or, more precisely, do lexicographers need to analyze bigger amounts of collocations? The paper deals with experiments on collocation identification in low-frequency lexis using corpora of different volumes (1 million, 10 million, 100 million and 1.2 billion words). We have selected low-frequency adjectives, nouns and verbs in the Russian Frequency Dictionary and tested the following hypotheses: 1) collocations in low-frequency lexis are better represented by larger corpora; 2) frequent collocations presented in dictionaries have low occurrences in small corpora; 3) statistical measures for collocation extraction behave differently in corpora of different volumes. The results prove the fact that corpora of under 100 M are not representative enough to study collocations, especially those with nouns and verbs. MI and Dice tend to extract less reliable collocations as the corpus volume extends, whereas t-score and Fisher’s exact test demonstrate better results for larger corpora.
Determinants of Well-being Status of Rice Farmers in Nasarawa State, Nigeria
Authors: Fatoki Phillip Oludare , Ajibola Bidemi Olayemi
Published: August 2020

This paper examined the determinants of well-being status of rice farmers in Nasarawa State, Nigeria. One hundred and eighty-one rice farmers from Karu, Kokona and Doma local government areas were chosen for the study by multi-stage sampling procedure. Data were analyzed using frequency, mean and logit regression model. Rice farmers were satisfied with their well-being status having satisfaction in five out of seven indicators that defined a general well-being. However, indicators of well-being status like safety and future security were not satisfactory. Age, sex, rice yield, income and extension contact had significant and positive influence on the well-being status of the rice farmers. Government and relevant agricultural stakeholders should focus on the key influencing factors in view of improving the well-being status of rice farmers in the study area.

Keywords: rice farmers, well-being, future security.
Farmers’ Willingness to Cultivate Pro-vitamin-A Cassava Variety in Kwara State, Nigeria
Authors: Olayinka Jelili Yusuf , Olatunji Yusuf Ambali , Ololade Latifat Abdulrahman , Oluwatosin Oluwafemi Lawal , Ayanda Ibrahim Folorunsho
Published: August 2020

The study examined factors underlying farmers’ perception about pro-vitamin-A cassava varieties and their willingness to cultivate them in Kwara State, Nigeria. One hundred and twenty-two (122) cassava farmers, selected through a multistage sampling procedure, were used for the study. Data were collected through the use of interview schedule and analysed using percentages, mean and standard deviation. Chi-square, likelihood ratio and factor (principal component) analysis were used for inferential deduction. Results showed that about half (50.8%) of the respondents had high knowledge about the improved cassava variety and a vast majority (93.4%) expressed willingness to cultivate it. Sex (χ2 = 3.542) and knowledge level (χ2 = 15.732) had significant association with willingness to cultivate at p≤0.05, with female farmers found to be about 3 times more likely willing to cultivate than male. Also, farmers with more knowledge were found to be about 6 times more likely willing to cultivate pro-vitamin-A than those with little knowledge. Three crucial factors (‘ethno-based preference’, ‘culturally induced personal preference’ and ‘colour dislike’) were found to be associated with farmers’ perception about the cassava variety. Farmers in Kwara State were willing to cultivate the pro-vitamin-A cassava variety. Women and those who had more knowledge were more willing to cultivate the variety than men and those with little knowledge, respectively. Factors underlying farmers’ perception about the variety were linked to ethno-cultural background and dislike for yellow root cassava. The need for more female integration and increased nutritional education in the drive towards popularisation of pro-vitamin-A cassava variety are thus recommended.

Key words: Pro-vitamin-A cassava, willingness to cultivate, nutritional education
Co-infection Model Formulation to Evaluate the Transmission Dynamics of Malaria and Dengue Fever Virus
Authors: Oluwafemi T.J. , Akinwande N.I. , Olayiwola R.O. , Kuta A.F. , Azuaba E.
Published: August 2020

A mathematical model of the co-infection dynamics of malaria and dengue fever condition is formulated. In this work, the Basic reduction number is computed using the next generation method. The diseasefree equilibrium (DFE) point of the model is obtained. The local and global stability of the disease-free equilibrium point of the model is established. The result show that the DFE is locally asymptotically stable if the basic reproduction number is less than one but may not be globally asymptotically stable.

Keywords: Malaria; Dengue Fever; Co-infection; Basic reproduction number; Disease-Free equilibrium
Impacts Assessment of Coastal Activities on Water Quality of Upper Segment of Qua Iboe River, Akwa Ibom State, South-South, Nigeria
Authors: Jonah U.E. , Iwok E.S. , Hanson H.E.
Published: August 2020

A study was carried out at the supper segment of Qua Iboe River from November, 2018 to August, 2019 in four sampling stations to assess the  impacts of coastal activities on water quality. Water samples were collected monthly and analyzed using standard procedures of Associations of Official Analytical Chemist and American Public Health Association. The stations comparisons and location of significant differences were carriedout using ANOVA and Least Significant Difference (LSD) test, while paired sample t-test were employed to compare the seasonal difference. The mean ranged values of water temperature were (25.03 – 25.330C), pH (5.8 –6.6 mg/l), DO(3.11 - 5.45 mg/l), TDS (18.63 – 32.53mg/l), EC  (8.33-13.16􀀁s/cm), Turbidity (7.61 – 18.32 NTU), TSS (90.80 - 165.63 mg/L), NO3 -1(33.02 – 78.33mg/l), P04 3-(4.44 – 7.39mg/l), Cl-(43.60 – 63.21mg/l), COD(35.96 – 113.05mg/l), NH3(0.33 – 0.62 mg/l). Mean values of TSS, EC, TSS, NO3, PO4 3-, NH3 and turbidity were higher in wet season, while water temperature, pH, DO, Cl- and COD values obtained were higher in dry season. Spatial variations in parameters were ascribed to levels of  anthropogenic activities and wastes discharged within the stations; the seasonal variations were emanated from influx of wastes, and dilution as result of surface run-offs during wet season. Based on the findings, the WQI values were poor for human consumption; especially from station 2 to4.These calls for urgent attention by Federal / State Ministry Health and Environment regards to its effects on human health and consistent water quality monitoring should be put into consideration.

Keywords: Impact, Assessment, Coastal activities, Water Quality, Qua Iboe River

Keywords: Impact, Assessment, Coastal activities, Water Quality, Qua Iboe River
Substituent Effects on Absorption Spectra of 7-Amino-4-Hydroxynaphthalene-2- Sulfonic Acid Based Dyes
Authors: Iyun O.R.A. , Egbe J.O. , Kantiok G.Y.
Published: August 2020

The synthesis of dyes derived from coupling 7-amino-4-hydroxynaphthalene-2-sulfonic acid (a diazonium salt) with different coupling agents (phenol, p-nitrophenol, vanillin and salicylic acid) respectively yielded four different dyes namely; Dye A, 4-hydroxy-7-((2- hydroxyphenyl)diazenyl)naphthalene-2-sulfonicAcid, Dye B, 4-hydroxy-7-((2-hydroxy-5- nitrophenyl)diazenyl)-4-hydroxynaphthalene-2-sulfonic Acid, Dye C, 7-((2-formyl-5-hydroxy-4-methoxyphenyl)diazenyl)-4- hydroxy naphthalene-2-sulfonic Acid and Dye D, 2-hydroxy-6-((5-hydroxy-7-sulfonaphthalene-2-yl)diazenyl)benzoic Acid. The wavelengths of maximum absorption of the dyes were determined in different solvents; water, DMF, ethanol and acetone, their λmax was between 510-600nm. The synthesized dyes were characterized using IR and their melting points determined. The dyes were applied on wool and silk and the effect of pH, time, temperature on the %exhaustion for both fabrics was determined. The optimum pH for absorption of the dyes on both fabrics was 3 & 5, optimum time 50, 75 & 90 minutes and optimum temperature75 and 90oC depending on the dye and type of fabric. The Fastness (wash, rub and light) properties of the dyes were also assessed.

Keywords: Diazonium, coupling, exhaustion, fastness
Understanding Smart Wearable Sensors Technology: Impact on Human Health and Fitness
Authors: Idoga E.P. , Adamu A.I.
Published: August 2020

In the field of health care management, smart wearable devices and its supporting technologies have tremendously made a name all around the globe. Smart watches and other sensor trackers are practically being used by various people and its usage has shown to be accompanied with lots  of benefits. This technology was envisaged to play a vital role in the healthcare needs of people; especially with applications in the healthcare sector. The objective of this study, therefore, is to evaluate the technological impact of wearable sensors in human health and fitness (HHF). A web based survey was used for data collection for the period of one month. Emails were sent to registered members of a particular gym who uses any of the smart wearable sensors in keeping fit. The study findings indicate that among the smart wearable devices examined, smart wristwatches (45.6%) appears to be the most commonly used wearable sensor device followed by smart wrist bands (34.7%), smart textiles (10.7%) and smart rings (9.1%). This signifies that a large number of people can effortlessly use SWSs and devices and are optimistic about its support in their daily  healthcare/fitness needs. Users are positive on the technological prospects of SWSs and devices; although there is a gap between personal  motivation to use wearable devices and trust in the confidentiality and privacy of data generated.

Keywords: Devices, Health, Fitness, Wearable, Sensors
Aquatic Insects Diversity and Water Quality Assessment of a Tropical Freshwater Pond in Benin City, Nigeria
Authors: Komolafe B.O. , Imoobe T.O.T.
Published: August 2020

Aquatic insects are species of significant importance to water bodies because they serve various purposes including nutrient cycling, vectors of  pathogens and bioindicators of water quality. Analyzing their community structure is a veritable tool in studies of biodiversity and quality of limnetic  ecosystems. Therefore, we investigaTed the health status of a pond in Benin City, Nigeria using insect’s abundance, composition, distribution and physicochemical parameters of the waterbody. Insects were sampled using sweep nets and identified to the species level while water samples were collected and analyzed using in-situ and ex-situ methods to determine the physicochemical properties in three sampling stations. The results of the physicochemical assessment of the water indicated that conditions did not differ widely between sites (P > 0.05) except for total alkalinity, and the recorded values were well within the ambient FMEnv permissible limits for surface water except for dissolved oxygen,turbidity and phosphate. A total of 10 insect taxa, comprising of 103 individuals in 2 orders were recorded in the study and among the orders, Hemiptera comprised of 7 species and Coleoptera comprised of 3 species. Majority of the insect fauna found in this study are typically found in similar water bodies in the tropics. However, the obsereved insect community structure revealed a relatively low taxa richness with a dominance of pollution-resistant species which suggests a moderately polluted condition of the waterbody.

Keywords: Aquatic insects, bioindicators, biodiversity, water quality, pond.
Determinants of Food Security among Forest-Based Households in Oyo State, Nigeria
Authors: Kabir G.B. , Azeez F.A. , Arowolo O.V. , Nosiru M.O.
Published: August 2020

The growth of food insecurity kept increasing despite numerous policies and programmes geared towards improving the living standards of rural households in Nigeria. This study assessed the determinants of food security among forest-based households in Oyo state, Nigeria by obtaining data from 240 respondents with the aid of well-structured questionnaires and interview guide. Data obtained were subjected to descriptive statistics and logit regression model. The result of the descriptive statistics showed that the mean age of the respondents was ±42, about 65% of the respondents were female while 60% were married and about 43% had primary education. Also, the results revealed that most respondents (67%) produced food by themselves, 65% of them took two square meals per day and 70% skip meals as a coping strategy due to insufficient food. Furthermore, logistic regression model reveals that sex, household size, household’s head income and land ownership have significant effects on rural household food security in the study area. The study thus recommends that food stabilization and creation of job opportunities such as crafting and agro- allied activities should be given a desired attention in the rural area.

Keywords: Food security, forest-resources,determinants, per capita expenditure
Synthesis and Characterization of Silver Nanoparticles from Ashyranthus aspera Extract for Antimicrobial Activity Studies
Authors: Swetha V. , Lavanya S , Sabeena G. , Pushpalaksmi E. , Jenson Samraj J. , Annadurai G.
Published: August 2020

Development of biologically inspired experimental processes for the synthesis of nanoparticles is evolving into an important branch of  nanotechnology. Plant-mediated synthesis of nanomaterials has been increasingly gaining popularity due to its eco-friendly nature and cost-effectiveness. In the present study, we were synthesized silver (Ag) nanoparticles using aqueous extracts of fresh leaves of Ashyranthus aspera medicinal plants as bio-reducing agents. UV-Vis spectrometer used to monitor the reduction of Ag ions and the formation of AgNPs in the medium. UV-Vis spectra and visual observation showed that the color of the fresh leaf extracts of Ashyranthus aspera turned into grayish-brown respectively, after treatment with Ag precursors. XRD and SEM have been used to investigate the morphology of prepared AgNPs. The peaks in the XRD pattern are associated with that of the Face-Centered-Cubic (FCC) form of metallic silver. TGA/DTA results associated with weight loss and exothermic reaction due to the desorption of chemisorbed water. FTIR was performed to identify the functional groups which form a layer covering AgNPs and stabilize the AgNPs in the medium. Moreover, silver nanoparticles using aqueous leaf extracts of Ashyranthus aspera were separately tested for their antibacterial activity against Gram-positive bacteria (Staphylococcus aureus) and Gram-negative bacteria (Enterobacter). The results showed that the bacterial growth was inhibited by the extracts containing AgNPs Nanoparticles. The biosynthesized nanoparticle was prepared from Ashyranthus aspera leaf extracts exhibits potential applications as broad-spectrum antimicrobial agents

Keywords: Ashyranthus aspera, Silver Nanoparticles, Plant extracts, Bacteria, Antibacterial activity.
Analysis and Classification of Requirements Specification for Web Application Development: A Case Study Approach
Authors: Gambo IP , Odukoy HO , Oke AA , Adagunodo ER
Published: August 2020

In this paper, we formulated, designed, implemented and evaluated a model used for classifying stakeholders' requirements that are specified for web application development. The study employed both qualitative and quantitative research approaches in a case study. Requirements were elicited from stakeholders using the interview approach. This involved speaking with the stakeholders directly via groupware and asking them questions about their specific needs that are relevant to the development of web application. In particular, 10 customers of Procrea8 Technology Solution Limited and 9 developers were used as respondents. An interactive genetic algorithm was used to formulate the model. The design was specified using the Unified Modeling Language (UML) tool, and implemented using specified web technology tools. The model was evaluated for completeness and consistency using recall and precision as parameters. The results showed that a list of ordered requirements was produced based on the stakeholders' priorities inputted into the model. The output indicated the order of priorities finally assigned to each of the requirements. The evaluation revealed that the model is effective, efficient, userfriendly, reliable (with 96.3% accuracy), scalable (prioritized over 500 requirements), less timeconsuming (prioritizing over 500 requirements) and able to update ranks whenever changes occur automatically. Also, the model evaluation indicates 97.1% precision (consistency), and 96.0% recall (completeness). The study shows that requirements engineers could use the model to collate stakeholders’ requirements from wide geographical locations.

Keywords: Requirements analysis, requirement prioritization, requirements engineering, web application, requirement specification.
Research on Integration of Multimedia Computer Technology and Teaching Chinese as a Foreign language
Authors: Zeng Guangyu , Yang Haixia
Published: August 2020

With the rapid development of multimedia computer technology, the combination of multimedia computer technology and teaching has increased, and it has been widely used in the course of teaching Chinese as a foreign language, especially during the COVID-19 pandemic. In the development of teaching Chinese as a foreign language, multimedia technology plays an important role in integrating resources, highlighting details in classrooms, stimulating students’ interest and promoting students’ expression skills. The application of multimedia computer technology can bring convenience to teachers and overcome the drawbacks of traditional teaching models. At the same time, the modern teaching methods make full use of the excellent characteristics of computers, which has made teaching Chinese as a foreign language more interesting and accessible to a certain extent. This paper mainly illustrates the status quo of applying multimedia technology in teaching Chinese as a foreign language, and based on practical situations, offers the integrated mechanism of combining multimedia computer technology and the course of teaching Chinese as a foreign language, thus promoting the in-depth development of the course of teaching Chinese as a foreign language.

Keywords: Multimedia, teaching Chinese as a foreign language, curriculum, integration.
An Autonomous Obstacle Avoidance Robot Using Ultrasonic Sensor
Authors: Agbeyangi AO , Alashiri O , Odiete JO , Adenekan OA
Published: August 2020

The use of robot and its enormous technological applications in today‟s era of industrial and intelligent systems has been seen to be highly impactful. The ability of these robots to move freely with minimal control is posing a real challenge. In this paper, the development of an autonomous obstacle avoidance robot using ultrasonic sensors is presented. In the design, the ultrasonic sensor serves as the eye of the robot to aid its autonomous movement. The robot is a wheeled type which can either be control using a dedicated control application (Android App) or autonomously. The control application was an added feature in case there is need to manually control the robot. The accuracy of the robot obstacle avoidance is highly encouraging scoring 87.5%, although, there are other challenges which are noted for further study.

Keywords: Robotic, Obstacle avoidance, Autonomous system, Ultrasonic sensor.
Electronic Health Records in Developing Countries: The Role Of Intelligent Devices
Authors: Kalesanwo O , Kuyoro SO , Aleburu D , Nwaocha VO , Adenrele AA
Published: August 2020

The collection and storing of medical records pertaining to the health status of patients in an electronic form so as to allow; easy access, information sharing and making better medical decisions among other things is known as an Electronic Health Record (EHR). Data generated by health care providers from patient‟s diagnosis, prescription, health monitoring and other health related issues were basically kept on paper. However, the rapid proliferation of data has led to the advancement of effective management of these data to help bring about better decision making and also improvement in health care delivery. This paper highlights the importance of EHR, its role in delivering better health care and the development of a nation, taking cognizance of its adoption level in both the developed and developing countries. Strategic solution of integrating intelligent devices (Chatbots and glass) to burgeon the implementation of EHR so as to improve the overall health care of the populace of developing nations was proposed.

Keywords: Electronic Health Record, Intelligent systems, Chatbots, Glass
Model Implementation Of Text And Video Chats With Python Ide Software
Authors: Bello RO , Ogunrinde MA , Bello BO
Published: August 2020

Chats are bound to be an efficient way of disseminating synchronous and asynchronous information through textual messages or video communication among various people over a network. An Integrated Development Environment (IDE), is a text editor that allows developers and engineers to enhance the different features of writing executable software. Using IDEs, the programmer’s productivity is enhanced by consolidating common activities involved in writing computer programs into a single application. These activities include source code editing, auto-completing, syntax highlighting, building executable, debugging, and automated testing. Python is a programming language used to develop mostly sophisticated Machine Learning and web applications. An IDE makes coding in Python much easier and efficient. It consists of features like indentation and code folding which are very important aspects in executing Python programs successfully. Also, unresolved imports or undefined methods are indicated with warnings and error signs to give programmers more information on impending problems. A web-based Python Integrated Development Environment (IDE) was developed by applying modern communication techniques of text and video chats. This software delivers facilities to programmers for efficient development of programs. It also consists of auto-completion, code fixing, code editing, management and automated testing. A cloud-based IDE was deployed because it enables programmers to easily access their projects anywhere and at any time. Also, hardware limitation issues are eliminated with no setups and configurations required, as all the information is to be stored in the cloud. Hypertext Markup Language, Javascript, and Bootstrap Cascading Style Sheet were used to design the front-end interface, while Asynchronous Javascript, and Extensible Markup Language, Hypertext Pre-processor and My Structure Query Language were employed for the back-end design. Various users can be able to write, edit, debug, run, and store the codes on the server. The user can also use the IDE on any internet-enabled devices such as personal computers, mobile devices, and tablets.

Keywords: Synchronous, integrated development environment, interface, online, communication.
Enhancing Computational Time of Lempel-Ziv-Welch-Based Text Compression with Chinese Remainder Theorem.
Authors: Ibrahim MB , Gbolagade KA
Published: August 2020

The science and art of data compression is presenting information in a compact form. This compact representation of information is generated by recognizing the use of structures that exist in the data. The Lempel-Ziv-Welch (LZW) algorithm is known to be one of the best compressors of text which achieve a high degree of compression. This is possible for text files with lots of redundancies. Thus, the greater the redundancies, the greater the compression achieved. In this paper, the LZW algorithm is further enhanced to achieve a higher degree of compression without compromising its performances through the introduction of an algorithm, called Chinese Remainder Theorem (CRT), is presented. Compression Time and Compression Ratio was used for performance metrics. Simulations was carried out using MATLAB for five (5) text files (of varying sizes) in determining the efficiency of the proposed CRT-LZW technique. This new technique has opened a new development of increasing the speed of compressing data than the traditional LZW. The results show that the CRT-LZW performs better than LZW in terms of computational time by 0.12s to 15.15s, while the compression ratio remains same with 2.56% respectively. The proposed compression time also performed better than some investigative papers implementing LZW-RNS by 0.12s to 2.86s and another by 0.12s to 0.14s.

Keywords: Data Compression, Lempel-Ziv-Welch (LZW) algorithm, Enhancement, Chinese Remainder Theorem (CRT), Text files.
Os efeitos e as medidas: crise e contrarreformas e as respostas da FEM-CUT/SP
Authors: Rezende Pereira Eduardo José , Gonçalves de Carvalho Joelson
Published: August 2020

A crise sistêmica do capitalismo afeta os índices de desenvolvimento dos países centrais e periféricos. O Brasil sente o aprofundamento dos efeitos dessa crise econômica junto a uma crise política, que coloca os interesses da classe patronal na agenda governamental. A desindustrialização e os retrocessos sociais afetam diretamente os trabalhadores e as suas formas de organização coletiva. Buscamos compreender como a Federação dos Sindicatos dos Metalúrgicos da Central Única dos Trabalhadores de São Paulo (FEM-CUT/SP) atua neste cenário, caracterizando as respostas que foram oferecidas e mapeadas a partir do seu 8º Congresso, realizado no ano de 2019, e classificando-as de duas maneiras: aquelas relacionadas às mudanças organizacionais e financeiras da entidade, e aquelas que tangem às suas readequações no plano das táticas e do discurso político.
Mobile Marketing Strategies and Customer Patronage of Mobile Telecommunication Services
Authors: Nkpurukwe Obabuike Ikeni , Amangala Emmanuel A. , Wali Andy Fred
Published: August 2020

This study empirically examines the relationship between mobile marketing strategies and customer patronage of mobile telecommunication services. The study applied a cross-sectional survey design in a structured questionnaire to collect data from 400 accessible telecom subscribers across the 4 major telecom operators which include; MTN, Glo, Aitel, and 9 Mobile. A total of 4 hypotheses were proposed and Spearman’s Rank Correlation Coefficient tool was employed with the help of SPSS version 21.0, in statistically testing them. Findings revealed a positive and significant relationship between the dimensions of mobile marketing strategies and measures of customer patronage. The study, therefore, concludes that mobile marketing is an effective tool in improving purchase intention and referral. Therefore, the research recommends that telecom operators who want to improve patronage of subscribers should adopt mobile websites and SMS marketing; as these tools have been further verified to have a huge capacity to enhance purchase intention and customer referral.
Thematische Synthese «Gebäude und Siedlungen» des NFP «Energie»
Authors: Schalcher Hans-Rudolf
Published: August 2020

Rund 40 Prozent der in der Schweiz konsumierten Energie entfallen auf die Erstellung und den Betrieb des Gebäudeparks. Daher nehmen Gebäude und Siedlungen bei der Transformation unseres Energiesystems eine herausragende Rolle ein. Zahlreiche Schritte in die Zukunft wurden bereits eingeleitet – es bleibt aber noch viel zu tun.
NGHIÊN CỨU ẢNH HƯỞNG CỦA THÀNH PHẦN DỊCH RÓT ĐẾN MỘT SỐ CHỈ TIÊU CHẤT LƯỢNG SẢN PHẨM ỚT XIÊM (Capsicum spp.) RỪNG MUỐI CHUA
Authors: Chung Nguyễn Đức , Huế Nguyễn Văn , Tâm Đinh Đặng Minh , Bé Phan Thị , Truyền Nguyễn Ngọc
Published: August 2020

Ớt xiêm rừng là loại cây gia vị có vị cay nồng đặc trưng, mọc tự nhiên trong rừng ở một số khu vực miền núi và trung du phía Bắc và miền Trung nước ta. Việc chế biến sản phẩm muối chua giúp đa dạng hóa và tăng khả năng tiêu thụ sản phẩm từ ớt xiêm tươi do tác dụng kéo dài thời gian bảo quản của phương pháp lên men. Ớt nguyên liệu đạt yêu cầu chế biến về cả màu sắc và giá trị dinh dưỡng, đặc biệt là không có sự có mặt của kim loại nặng (thường có do sự sử dụng thuốc bảo vệ thực vật). Thành phần các nguyên vật liệu trong dịch rót có yếu tố quyết định đến khả năng lên men, sự điều vị và các chỉ tiêu chất lượng của sản phẩm với tỷ lệ thích hợp cho sản phẩm ớt xiêm rừng muối chua. Nghiên cứu này khảo sát các nguyên liệu phối chế ở các nồng độ tương ứng là acetic acid (0,72%, 0,9%, 1,08% và 1,26%); muối (4,2%, 5,2%, 6,2% và 7,2%) và đường (5,5%, 6,5%, 7,5%, 8,5%). Kết quả xác định được công thức thích hợp là acid acetic 0,9%, muối ăn (NaCl) 5,2%, đường (saccharose) 7,5%. Sản phẩm làm ra đảm bảo chất lượng vệ sinh an toàn thực phẩm do không có sự có mặt của các kim loại nặng và các chỉ tiêu vi sinh vật đều trong giới hạn cho phép theo Tiêu chuẩn Việt Nam.

ABSTRACT

Local chili (Ot xiem), spicy chili which has strong taste, popularly distributed in the mountainous areas in the Northern and Central regions of Vietnam. Fermentation helps the chili increase the sensoly values and extend of its shelflife. This study showed that chili has met the requirements of processing for color and nutritional factors, especially it did not contain heavy metals derived from insecticides and herbicides. The ingredients and their ratios in the solution play an important role in the fermentation ability, taste modification, and other quality characteristics of the product. This study screened for the compatible ratios of acetic acid (0.72%, 0.9%, 1.08% and 1.26%); salt (4.2%, 5.2%, 6.2% và 7.2%) and sugar (5.5%, 6.5%, 7.5%, 8.5%). The results indicated that the appropriate ratios of acetic acid, salt, and sugar were 0.9%, 5.2%, and 7.5%, respectively. The product has met the requirements of food safety, especially it did not contain heavy metals and bacteria at the level of restriction requirements according to Vietnamese National Standards (TCVN) for fermented vegetables.
ẢNH HƯỞNG CỦA MỘT SỐ BIỆN PHÁP KỸ THUẬT CANH TÁC ĐẾN SINH TRƯỞNG, PHÁT TRIỂN VÀ NĂNG SUẤT CỦA GIỐNG NGÔ LAI HQ2000
Authors: Hải Nguyễn Trung , Đức Trần Thanh , Linh Vi Thị
Published: August 2020

Nghiên cứu này nhằm đánh giá tác động của các biện pháp làm đất và mật độ trồng khác nhau đến quá trình sinh trưởng, phát triển, năng suất và hiệu quả kinh tế của giống ngô lai HQ2000 trên đất cát nội đồng trong vụ Đông Xuân năm 2018-2019 tại Thừa Thiên Huế. Thí nghiệm thứ nhất gồm 3 công thức gồm làm đất truyền thống, làm đất tối thiểu và không làm đất trong đó thí nghiệm thứ hai gồm 4 công thức với mật độ gieo trồng lần lượt là 47.058, 53.333, 61.538 và 66.666 cây/ha. Kết quả thí nghiệm cho thấy: Thời gian hoàn thành các giai đoạn sinh trưởng và phát triển ở các biện pháp làm đất tối thiểu có xu hướng ngắn hơn các công thức làm đất truyền thống; chiều cao cây cuối cùng dao động từ 154 đến 175cm, số lá dao động từ 16 đến 18 lá, diện tích lá đóng bắp có xu hướng giảm ở các công thức làm đất tối thiểu trong khi các yếu tố khác như chiều cao đóng bắp, chiều dài bắp, đường kính bắp và đường kính lóng gốc ở các công thức thí nghiệm dao động tương đối ít. Năng suất lý thuyết dao động từ 61 đến 72 tạ/ha, năng suất thực thu đạt cao nhất là 59,8 tạ/ha ở công thức không làm đất. Đối với biện pháp canh tác truyền thống, năng suất đạt cao nhất ở mật độ 18,5 kg hạt giống/ha (63,4 tạ/ha). Ở các công thức thí nghiệm, lợi nhuận đạt cao nhất ở công thức không làm đất và ở mật độ trồng là 18,5 kg hạt giống/ha, tương đương 61.538 cây/ha.

 ABSTRACT

This study aims to evaluate the impact of different tillage methods and planting densities on the growth, development, grain yield and economic efficiency of hybrid maize HQ2000 on sandy soil in the 2018-2019 Winter-Spring season in Thua Thien Hue province. The first trial consisted of three treatments including conventional tillage, limited tillage and no tillage; the second trial consisted of four treatments with planting density of 47.058, 53.333, 61.538 và 66.666 plants/ha, respectively. Experimental results showed that: The completed time of the growth and development stages at the minimum tillage methods was shorter than conventional tillage treatments; final plant height varied from 154 to 175cm, the number of leaves ranged from 16 to 18 leaves, the leaf area at ​​corn position decreased in minimum tillage treatments while other factors such as ear height, ear length, ear diameter and stalk diameter at prop root position fluctuated slightly. Potential grain yield varied from 6.1 to 7.2 tons/ha, the highest actual grain yield was 5.98 tons/ha in the no-tillage treatment. For conventional tillage, the highest grain yield was at 18.5 kg seed/ha treatment (6.34 tons/ha). In the experimental treatments, the highest profit was achieved in the no-tillage treatment and in planting density of 18.5 kg seed/ha, equivalent 61,538 plants/ha.
BIỂU HIỆN LÂM SÀNG VÀ MỘT SỐ CHỈ TIÊU SINH LÝ MÁU CỦA LỢN MẮC DỊCH TIÊU CHẢY CẤP (PORCINE EPIDEMIC DIARRHEA - PED) NUÔI TẠI TỈNH THANH HOÁ
Authors: Thái Lê Văn , Hiệp Nguyễn Đình , Thắng Lương Trọng
Published: August 2020

Nghiên cứu nhằm xác định những biểu hiện lâm sàng và một số đặc điểm sinh lý máu của lợn mắc hội chứng tiêu chảy cấp (Porcine Epidemic Diarrhea - PED) để so với lợn khỏe nuôi tại một số trang trại thuộc tỉnh Thanh Hóa. Kết quả nghiên cứu cho thấy: khi lợn mắc dịch PED tần số hô hấp và tần số mạch cao hơn (45,13 và 138,19 lần/phút so với 23,74 và 95,31 lần/phút) trong khi thân nhiệt lại thấp hơn so với lợn khỏe (37,50 và 38,170C). Số lượng hồng cầu của lợn mắc PED và lợn khỏe không sai khác có ý nghĩa thống kê (6,58 - 6,61 triệu/ mm3). Trong khi, các chỉ tiêu như hemoglobin, lượng hemoglobin trung bình trong một hồng cầu (MCH), nồng độ hemoglobin trung bình (MCHC) của lợn khỏe đều cao hơn so với lợn mắc PED. Tổng số bạch cầu và tỷ lệ các loại bạch cầu trung tính cao hơn so với lợn khỏe.

ABSTRACT

The study was conducted to determine clinical manifestations and some blood hematological parameters of pigs infected with Porcine Epidemic Diarrhea (PED) to compare with healthy pigs raised in Thanh Hoa province. The research results showed that respiratory and pulse frequency of pigs infected with PED was higher than healthy pigs. In addition, their body temperature was lower than healthy pigs were. The number of red blood cells of pigs infected with PED and healthy pigs was from 6.58 to 6.61 (106/ mm3). Hemoglobin, mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC) in healthy pigs were higher than PED pigs. Total of white blood count and neutrophils in PED pigs was higher than healthy pigs. The study results are the basis of the initial prognosis for diagnosing PED disease  that would be the reference for researchers of livestock and veterinary.
KẾT QUẢ CỦA MÔ HÌNH NUÔI GHÉP CÁ VƯỢC (Lates calcarifer) VỚI CÁ TRẮM ĐEN (Mylopharyngodon piceus) TRONG AO ĐẤT TẠI XÃ LẬP LỄ, HUYỆN THỦY NGUYÊN, THÀNH PHỐ HẢI PHÒNG
Authors: Vạn Kim Văn , Tuyết Trần Ánh , Phương Nguyễn Thị Diệu
Published: August 2020

Mô hình nuôi ghép cá Vược với cá Trắm đen được thực hiện từ tháng 3 năm 2018 đến tháng 2 năm 2019 tại 3 hộ gia đình ở xã Lập Lễ, huyện Thủy Nguyên, thành phố Hải Phòng. Mục tiêu của nghiên cứu nhằm xác định tốc độ tăng trưởng và tỷ lệ sống của cá Vược và cá Trắm đen, từ đó đánh giá hiệu quả kinh tế của mô hình. Cá được thả với mật độ 1,2 con/m2, tỷ lệ thả của cá Vược: cá Trắm đen là 4,6:1 với kích cỡ cá thả của cá Vược và cá Trắm đen tương ứng là 1,10 ± 0,12 kg/con và 1,57±0,18 kg/con. Thức ăn sử dụng cho cá Vược là cá tạp với lượng thức ăn bằng 3-5% tổng khối lượng cá, thức ăn công nghiệp (35% protein thô) được sử dụng cho cá Trắm đen với khối lượng bằng 2-3% tổng khối lượng cá. Kết quả cho thấy tốc độ tăng trưởng trung bình, tỷ lệ sống và FCR của cá Vược tương ứng là 6,15g/con/ngày, 93% và 7,2; của cá Trắm đen là 8,17g/con/ngày, 95% và 2,92. Chi phí cho thức ăn là chi phí lớn nhất, chiếm 54,02% tổng chi phí; thuốc và chế phẩm vi sinh chiếm một phần không đáng kể (2,68%) trong tổng chi. Hiệu quả kinh tế của các mô hình đạt hơn 886 triệu đồng/ha/năm.

ABSTRACT

The polyculture model of sea bass and back carp in earthen pond was conducted in 03 households in Lap Le commune, Thuy Nguyen district, Hai Phong city from March 2018 to February 2019. The objective of the study is to determine the growth rate and survival rate of sea bass and black carp, thereby evaluating the economic efficiency of the model. The stocking density was 1.2 fish.m-2 with the ratio of sea bass:black carp was 4,6:1. Initial body weight of sea bass was 1.10 ± 0.12 kg.fish-1 and black carp was 1,57 ± 0,18 kg.fish-1. Feed used for sea bass and black carp was trash fish and industrial feed (35% crude protein), respectively. Feeding level was 3-5% and 2-3% of total body weight for sea bass and black carp, respectively. The results showed that average growth rate, survival rate and FCR of sea bass and black carp were 6,15g.fish-1.day-1, 93%, 7,2 and 8,17g.fish-1.day-1, 95%, 2,92, respectively. Expense for feed was the largest cost, accounting for 54,02% of the total; especially the cost of medicine and probiotics was an inconsiderable part in these models (2,68%). Economic efficiency of the models gained more than 886 million VND.ha-1.year-1
GIRL’S EDUCATION IN TURKEY: AN ANALYSIS OF EDUCATION POLICIES FROM A FEMINIST PERSPECTIVE
Authors: Çöker Berna
Published: August 2020

In this study, I aim to provide an analysis of gender equality in the Turkish education system by looking at policies and their outcomes on girl’s schooling. My goal is to demonstrate the ways educational policies have been complicit in reproducing inequality and difference between the sexes by examining what issues regarding education and gender have become a part of public discourse, and which issues have not. The investigation of the role of the state in contributing to gendered outcomes in education is operationalized by two data gathering processes. The first is document analysis of policy documents which are the Article 42. Of the Constitution, Basic Law of National Education. Law 1739, and Basic Education Reform Act. No. 4306. The second is the collection of educational statistics and documents that would shed light to the condition of girls’ education in Turkey. The data draws on policies directly related to education to understand how gender equality is conceptualized. The central finding of the study is that the educational policies and practices in Turkey are based on the premises of “formal equality” and “meritocracy” which aims to provide the same opportunities to every member of society. However, the functional view of schooling based on the concepts of “formal equality” and “meritocracy” fosters the belief that males and females are benefitting equally and serve to mask the inequitable distribution of knowledge and skills between men and women. Therefore, educational policies continue to be gender-neutral, far from challenging the gender dynamics that discriminate against girls and women. Article 42. of the Constitution, the Basic Law of National Education. Law 1739., the Basic Education Reform Act. No. 4306 and its extension, 4+Reform, focuses on the expansion and improvement of primary and secondary education, but does not carry any special measures to change the structures and relations that discriminate against girls. No national policies to counter the impact of negative socialization by curriculum and textbook revision have been adopted. Moreover, high female attrition rates especially in the underdeveloped regions of Turkey continue to exist. Gender-streaming is still apparent in the program choices made in vocational and higher education. Turkey depends on macro education policies without any gender differentiation to ensure educational equality.

 

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O uso da dinâmica de sistemas para apoio ao planejamento elétrico brasileiro
Authors: Rodrigues Nogueira Campos Filipe , De Lorena Diniz Chaves Gisele
Published: August 2020

O consumo energético mundial vem mostrando padrões de crescimento sistemático, exigindo assim uma capacidade cada vez maior de produção e distribuição de energia elétrica. No cenário brasileiro, devido à alta participação hidrelétrica na matriz elétrica brasileira, diversos riscos podem incidir, o que requer o planejamento de expansão e diversificação desse setor. Dentre os modelos para planejamento de sistemas de energia, destacam-se os baseados em Dinâmica de Sistemas (DS). Este artigo verifica a existência de estudos envolvendo a aplicação do método de DS no planejamento do sistema elétrico nacional, com foco no uso de recursos energéticos renováveis (RER). O levantamento bibliográfico a partir da base Scopus, indica poucas publicações relacionadas ao cenário brasileiro, assim como envolvendo a segurança energética em modelos de DS em nível internacional. Dessa forma, este trabalho contribui ao propor um modelo inicial para análise dinâmica da diversidade e segurança do setor elétrico brasileiro baseando-se em RER.
Uma avaliação preliminar sobre usabilidade em softwares educacionais
Authors: Passos Wállex Pires , Correia Rafael Miranda
Published: August 2020

Este estudo tem por objetivo identificar as heurísticas de usabilidade, verificar quais possuem maior impacto em softwares educacionais, e apontar, de forma escalar, as mais impactantes. Este trabalho utilizou dois métodos de pesquisa: a pesquisa bibliográfica e a pesquisa de campo. A pesquisa bibliográfica foi utilizada para extrair as heurísticas; e na pesquisa de campo foi elaborado um questionário com o objetivo de avaliar o impacto de cada heurística. Deu-se início a este trabalho a partir da seguinte problemática: Quais das heurísticas de usabilidade mais impactam positivamente/negativamente em softwares educacionais sob a ótica de melhor interatividade e maior usabilidade? Partindo disso, foram realizadas várias pesquisas em bases de dados e, logo depois, a partir da aplicação do questionário, foi verificado o impacto de cada heurística no desenvolvimento de aplicações educacionais. A metodologia deste trabalho foi dividida em duas etapas: a primeira foi para extrair as heurísticas; e a segunda, para verificar o impacto de cada heurística.

Termos para indexação: Softwares educacionais, heurísticas de usabilidade, interatividade.