bluuebunny/crossref_metadata_2025 huggingface dataset:
Retrospective study on the productive performance of Sahiwal x Friesian crossbred dairy cows
Authors:   Universiti Malaysia Sabah, Sandakan, NADARAJAH NAVIN KUMAR , BIN ABU DAUD NUR HARDY ,   Universiti Malaysia Sabah, Sandakan
Published: July 2023

A retrospective study was carried out at one selected dairy farm located in Keningau, Sabah in order to evaluate the effect of age at first calving (AFC) on the productive performance of the primiparous Sahiwal x Friesian crossbred dairy cows. The retrospective data was collected from 123 Sahiwal x Friesian crossbred dairy cows. AFC was classified into 7 groups such as: =22; 23-24; 25-26; 27-28 months old; 29-30; 31-32 and >32 months old, respectively. The productive performance parameters that were evaluated consisted of the first-lactation milk yield, lactation length, average daily milk yield and dry period. Cows with AFC of 23-24 and 25-26 months of age showed the highest first-lactation milk yield, 7210.14± 384.84 litres and 7053.80± 342.98 litres, respectively. Cows with AFC of 23-24 months old have also showed the longest lactation length of 410.25± 19.51 days. However, cows with AFC of 23-24 months of age produced the least average daily milk yield, that was about 17.62± 0.60 litres/day and cows that were calved at 29-30 months of age and >32 months of age produced the highest average daily milk yield, that was about 24.10± 0.94 litres/day and 24.16± 0.79 litres/day, respectively. The study showed that AFC had a significant effect on the first-lactation milk yield, lactation length and average daily milk yield of the Sahiwal x Friesian crossbred dairy cows (p<0.05). However, it was found that AFC had no significant effect on the dry period (p>0.05). Overall, cows with the AFC of 23-24 months old have showed the best productive performance.
An exploratory study of students' conceptual understanding of energy cycle in thermochemistry through argument-based inquiry instructional strategy (ABIIS) laboratory
Authors:   Kolej Tingkatan Enam Kota Kinabalu, Sabah, JARAIE NORHANIFAH , LAJIUM DENIS ,   Universiti Malaysia Sabah, Kota Kinabalu
Published: July 2023

This study explores how laboratory activity with the argumentative approach could promote students' conceptual understanding in the Hess' law energy cycle through laboratory work. Laboratory work with an argument-based inquiry instructional strategy was set up to 15 pre-university students from one of the Form 6 Centre at the West Coast Division of Sabah, Malaysia. The laboratory work consists of a guided inquiry-based instruction with an argumentative approach in the topic of thermochemistry. The students' understanding of the energy processes was analyzed with a qualitative method using a semi-structured interview and triangulated with conversation analysis. The data collected from students' conversation during the activity was then triangulated with reflective writing at the end of the laboratory lesson. The study shows the students' prior knowledge and argumentation discourse significantly influences the development of conceptual understanding. This study emphasizes argument-based inquiry (ABIIS) in laboratory work to enhance their conceptual knowledge in the laboratory. Keywords: Argumentative discourse, Conceptual understanding, Laboratory work
Conceptual framework of open and distance learning (ODL) for studio-based architectural design courses
Authors:   Universiti Teknologi MARA, Rosman Siti Hasniza
Published: July 2023

In March 2020, distance education was enforced as a proactive procedure to diminish the spread of the coronavirus. As a result, instructors of advanced and basic design courses were obligated to teach remotely. The emerging virtual studio culture and the unplanned experience need assessment and evaluation, as they may mark a shifting momentum to develop architecture education in unprecedented ways. A large body of research on online education has paid immense attention to the definition of distance and online learning, their types, and their efficiency. The aim of the research is to propose a conceptual framework of open and distance learning (ODL) for studio-based architectural design courses. This research explores various aspects that contribute to the success factors of ODL for studio-based architectural design courses which then forms the fundamentals to develop the conceptual framework of ODL for studio-based achitectural design courses to improve the quality of teaching and learning process. This research is significant in enhancing the effectiveness of ODL and the teaching and learning of studio-based architectural design courses. This research will use a content analysis method approach from literature review study to identify the important aspects and success factors for studio-based architectural design courses. The research will contribute in developing a model to enhance teaching and learning experience through the ODL approach in the studio-based architectural design courses where high focus interactivity between teachers and learners is inherently unique. Overarchingly, this research provides insights on ODL as a future direction in teaching architecture.
Interface elements of an online classroom platform for students with visual perceptual disabilities
Authors:   Universiti Teknologi MARA, Zakariah Zazaleena , Abdul Razak Nawal
Published: July 2023

For a significant amount of time, due to the pandemic of Covid-19, most classes were conducted online through online classroom platforms where students and teachers did not need to physically attend classes. The wide use of online classroom platforms involved all levels of students from preschool to higher education level. These included students with disabilities as well. Most issues arise due to most online classroom platforms not focusing on different types of students, especially students with special needs. Preliminary findings show that most of the platforms designed do not meet the needs of students with disabilities. For this study, the focus is given to students with visual perceptual disabilities. Previous research proved that students with visual perceptual disabilities mostly faced issues that deal with interface elements that include the selection of color, font, size, and design. These issues make their learning process challenging. Hence this study has been carried out with two objectives which are to identify the visibility issues for students with visual perceptual disabilities with the current interface of online learning platforms and to identify the interface elements that suit their needs. Findings from this study can be used as a guideline in developing the interface of an online learning platform for visual perceptual disabilities students. This study will bring a positive change in the life of students with visual perceptual disabilities as they will be able to use the online classroom with ease.
URGENSI PENGGUNAAN MEDIA PEMBELAJARAN BERBASIS TEKNOLOGI
Authors: Aji Silmi Thoriq , Hamid Abdulloh
Published: July 2023

THE URGENCY OF USING TECHNOLOGY-BASED LEARNING MEDIA. The progress of the times has become a conversation every day, and has become a new habit in life. Technology plays a role in relation to the progress of the times, developments have spread to all sectors, including the education sector. In the learning process, the use of effective and efficient media to improve the quality and competence of students in order to be able to achieve learning objectives is very necessary. Various learning media provide flexibility for educators to design learning according to the characteristics of students. The presence of this technology-based learning media gives a new color and style to the world of education. With the technology that enters the world of education, it is expected to be able to change conventional habits towards modernization. In this study, several concrete facts are presented regarding the use of technology-based learning media so that they can be used in educational institutions in each educational unit, following the learning styles and characteristics of students. Where this learning has an important role in the order of human life, and as an alternative to an image and sound-based media to convey learning material.
PENGGUNAAN MEDIA TEKS CERITA DALAM MENINGKATKAN KETERAMPILAN BERBICARA BAHASA ARAB SISWA JENJANG PENDIDIKAN DASAR
Authors: Br. Sembiring Tria Annes , Lubis Lahmuddin
Published: July 2023

Students' Arabic speaking skills are a problem based on this research, in Arabic speaking skills a must be mastered by class VIII B students of MTs Tadib Al-Syakirin, with the mediation of story text media to improve students' Arabic speaking skills. With that the authors conducted this study aimed at describing or describing the improvement of the Arabic speaking skills of class VIII B MTs students through the medium of story text. The researcher conducted the research in two cycles, with that the researcher used the CAR (Classroom Action Research) method by collecting test and non-test data, while the data collection technique by the test was in the form of student learning outcomes sheets, and the data collection technique by non-test was in the form of interviews, observation, and documentation. The research object was class VIII B students in the even semester of 2022-2023, a total of 17 students. In using story text media the researcher obtained results in the first cycle students achieved an average value of 56.87% which this value included in the sufficient category with that the researcher carried out cycle II with the aim of achieving completeness of student scores, cycle II achievers with an average value 82.69% belong to the very good category, the increase achieved by students by using story text media is 25.65%. So through the medium of story text with the material المَدرَسَةُ it can be seen that students' Arabic speaking skills have increased.
Perspective of 3D printing in dentistry—Exploring the new horizon
Authors: Takkella Bharani Krishna , Anusha Nayanala Venkata , Sujanamulk Bhavana , Naffizuddin Mohammad , Jammalamadugu Raj Kishore , Pinjari Hameeda , Krishna Thakkella Chaitanya , Balaji Lokanathan , Manasa Mummidi , Kosuru Vamseedhar
Published: July 2023

The phrase “3D printing” is frequently used to illustrate a fabrication technique that constructs objects by sequentially adding layers. Additive manufacturing, commonly referred to as rapid prototyping or “solid free-form technology”, is a name that more appropriately reflects this method. As a result of the advancement of this technology, 3D objects are converted into 3D photos that are then precisely and perfectly reproduced as required. Using this technique, normal 2D systems are used to visualise 3D objects that are typically seen in radiology. From the perspectives of numerous dental disciplines, including orthodontics, endodontics, prosthodontics, and periodontics, 3D printing technology has been expanding its application in experimental, clinical, and educational sides of medicine and dentistry. It involves innovation and research, training, treatment modalities and education while utilising the swiftly advancing 3D printing technology. It is a promising clinical tool since it makes it possible to see how treatments are working. The use of 3D-printed models in educational programmes encourages students and trainees to practise their dental skills. The improvement of dental education, clinical treatment, and research could all be made possible by the use of 3D printing.
LATESS: Library Anti-Theft Electronic Surveillance System
Authors: Kommey Benjamin , Odametey Emma Naa Kai , Ansah Yoocee Direntwi , Abruquah Valdo Ato Kekeli
Published: July 2023

The Kwame Nkrumah University of Science and Technology (KNUST) Library is one of the most important services on the school’s campus. It provides a serene atmosphere for studies as well as a multitude of resources for research and learning. Unfortunately, this opportunity is abused by some individuals who steal books, causing others who need them to be found wanting and incurs unnecessary costs on the school to replace those materials. In this project, we propose the use of an Electronic Article Surveillance (EAS) system to identify and keep track of books in the library. The proposed system would use Radio Frequency Identification (RFID) to raise an alarm when a book is being taken out of the library without having gone through the required procedures put in place for the borrowing of books. An alarm serves to notify the security guards and library staff stationed for quick alert and response to the book theft as well as to deter individuals from attempting to do so. If implemented correctly, a very high accuracy of detection can be achieved. The proposed system is limited in that it cannot prevent a student from borrowing a book without return, and some individuals may find a way to tamper with the tags to avoid being detected by the EAS system.
Incidence of cancer in a rural registry in India-Ratnagiri, Maharashtra
Authors: Balasubramaniam Ganesh , Cheulkar Sandhya Ajay , Joshi Prachi Kishor , Patil Ashwini Rohan , Badwe Rajendra , Dikshit Rajesh , Banavali Shripad , Patil Suvarna
Published: July 2023

Objectives:

The objective of this study was to elucidate the various challenges in establishing cancer registry and further provide inputs to commission infrastructure for cancer treatment, in this rural setup.

Materials and Methods:

Population of Ratnagiri district is covered in its entirety. Registry data for the year 2015 - 2016 is analyzed. Population-Based Cancer Registry staff has visited various hospitals, pathology laboratories, radiological centers, panchayats, local physicians, anganwadi, primary health-care centers, etc., to collect the information. An in-house software was developed in visual basic with DB platform for data entry, validation checks and MS-Office Excel and SPSS Ver 21 were used for analysis.

Results:

Cancer incidence rate (age-adjusted incidence rate ) of Ratnagiri district is 39.1 and 39.6/100,000 for male and female, respectively, and is in comparison with other rural Indian registries. In males, mouth cancer and breast cancer in females were leading site of cancer.

Conclusion:

Results of Ratnagiri registry are valuable for cancer control activities.
Auto parts market in the context of legalization of parallel imports
Authors: Salnikova A. V. , Molotkov A. V.
Published: July 2023

The article assesses the share of counterfeit products on the Russian domestic market highlighting the most counterfeited product categories. On the basis of the analysis of key indicators of the automotive parts market, preconditions for the presence of large volumes of counterfeit products in the segment have been identified. Correlation of parallel imports and the counterfeit auto parts number increase has been established. The paper presents recommendations for combating the importation of counterfeit products in the context of parallel imports. The most significant of them are the extension of digital labeling to a wide category of automotive components, establishment of domestic production of spare parts and components, stimulation of Russian manufacturers by providing targeted loans and tax incentives.
Air transport risk modelling simulation of the impact of the sanctions on Russia
Authors: Bychkova A. A.
Published: July 2023

The article considers development scenarios and options for adapting Russia’s aircraft fleet to the impact of the sanctions changes on the transport industry and the consequences of it. The main issues on the limitation of the spare parts and materials for aircraft supply have been structured. Alternative options and adjustments to the shortage of components to support aircraft flights have been described. The analysis of the current civil aviation fleet of the country has been carried out and the normative service life of different class categories aircraft studied. The dynamics of changes in the state aircraft fleet over the last 10 years (since the beginning of the sanctions politics has a starting point from the accession of the Republic of Crimea in 2014) has been considered. The short-term prospects of the aviation industry have been defined and recommendations for improvement and a set of measures for adaptation suggested.
Self-actualization and subjectivity in young women looking for a new job
Authors: Tsvetkova N. A.
Published: July 2023

The subject of the research is self-actualization and subjectivity in women looking for a new job, and the goal is to determine the features of these processes and their connection. The article uses the method of psychological testing, i.e. J.E. Aleshina’s adaptation of E. Shostrom’s SAT test, M.A. Shchukina’s LPSD test, etc. The sample included 74 women. The moderate general level of subjectivity with tendency to high on indicators of integrity and self-value has been stated. A direct close connection between self-actualization and subjectivity has been revealed. The data obtained is important for assessing the sociopsychological readiness of women to independently solve the employment problem. The research needs to be continued considering gender specifics. The results of the study are valuable for practical psychologists in terms of helping young women who find it difficult to realize their intentions to change their job due to problematic and disharmonious self-actualization as well as underdeveloped subjectivity.
Problems of obtaining state support for a film creation project
Authors: Vorontsova Yu. V.
Published: July 2023

The Russian cinematography industry is characterized by a significant degree of dependence on state financial support. The world cinematography has a high level of quality and acts as an independent commercial mechanism that annually shows progress in the field of technologies used in the industry. It undoubtedly increases the cost of film production and sets a high level for competitors. The producer’s activity is impossible without finding financing for a project, and in most cases, the Russian government helps film companies in this matter. The problem of the described process is imperfection of the mechanisms established by the state. Therefore, the purpose of the study is to analyze the problems of obtaining state funding when creating a film project. The article is relevant due to the strong long-term interaction of the state and film production industry. Problems in the current system of state support have been identified and recommendations for their solution provided. In addition, a number of opportunities and changes that will contribute to improving competitiveness and development of domestic cinema have been considered. The article proposes to carry out reforms in the activities of the government agencies supporting the industry and to draw their attention to the development of society and human resources by improving the field of film education.
High-throughput deconvolution of native protein mass spectrometry imaging datasets for mass domain analysis.
Authors: Hale Oliver , Cooper Helen , Marty Michael
Published: July 2023

Protein mass spectrometry imaging (MSI) with electrospray-based ambient ionization techniques, such as nanospray-desorption electrospray ionization (nano-DESI), generates datasets in which each pixel corresponds to a mass spectrum populated by peaks corresponding to multiply-charged protein ions. Importantly, the signal associated with each protein is split among multiple charge states. These peaks can be transformed into the mass domain by spectral deconvolution. When proteins are imaged under native/non-denaturing conditions to retain non-covalent interactions, deconvolution is particularly valuable in helping interpret the data. To improve acquisition speed, signal-to-noise ratio, and sensitivity, native MSI is usually performed using mass resolving powers that do not provide isotopic resolution, and conventional algorithms for deconvolution of lower-resolution data are not suitable for these large data sets. UniDec was originally developed to enable rapid deconvolution of complex protein mass spectra. Here, we developed an updated feature set harnessing the high-throughput module, MetaUniDec, to deconvolve each pixel of native MSI datasets and transform m/z-domain image files to the mass domain. New tools enable reading, processing, and output of open format .imzML files for downstream analysis. Transformation of data into the mass domain also provides greater accessibility, with mass information readily interpretable by users of established protein biology tools such as SDS-PAGE.
CRITERIA AND INDICATORS OF DEVELOPMENT PSYCHOLOGICAL COMPETENCE OF TRAINERS IN YOUTH SPORTS
Authors: Гайдамашко И.В. , Бабичев И.В.
Published: July 2023

Подробно рассматривается категория «психологическая компетентность», определяется ее содержание в аспекте тренерской деятельности. В результате проведенного исследования выявлено, что основными критериями развития психологической компетентности тренеров являются: критерий психологических знаний, коммуникативный критерий, критерий саморегуляции, критерий Яконцепции, критерий эффективности деятельности. Для каждого из критериев определены группы показателей. Теоретическая значимость исследования заключается в дополнительной разработке категории «психологическая компетентность» применительно к деятельности тренеров. Практическая значимость заключается в том, что определенные в результате исследования показатели развития психологической компетентности тренеров позволяют оценивать эффективность системы психологического сопровождения.

The article examines in detail the category of «psychological competence» and defines its content in the aspect of coaching. As a result of the conducted research, it was determined that the main criteria for the development of psychological competence of trainers are: the criterion of psychological knowledge, the communicative criterion, the criterion of self-regulation, the criterion of Self-concept, the criterion of performance. Groups of indicators are defined for each of the criteria. The theoretical significance of the study lies in the additional development of the category «psychological competence» in relation to the activities of trainers. The practical significance lies in the fact that, as a result of the study, the indicators of the development of psychological competence of trainers allow us to evaluate the effectiveness of the psychological support system.
The Role of Transformational Leadership, and Knowledge Sharing on Innovative Work Behavior of Public Organization in the Digital Era
Authors: Mayastinasari Vita , Suseno Bayu
Published: July 2023

Purpose: This study aims to analyze the role of Transformational Leadership on Innovative Work Behavior, and Transformational Leadership on Knowledge sharing and Knowledge sharing on Innovative Work Behavior of Public Organizations in the digital era.
 
Design/Methodology/Approach: This research uses quantitative research methods. The dimensions of transformational leadership are idealized influence, inspirational motivation, intellectual stimulation, and individualized consideration). & The variable dimension of knowledge sharing is knowledge donating and knowlede collecting. The dimensions of innovative behavior are idea exploration, idea generation, idea championing, and idea implementation. The population in this study are senior employees of public organizations. Respondents in this study were 454 senior employees of public organizations who were determined by simple random sampling method. Data was collected through an online questionnaire using a Likert scale using a scale of 7. Data analysis in this study used Partial Least Square structural equation modeling (SEM) with the SmartPLS 3.0 software data processing tool. The stages of data analysis begin with testing the validity and reliability of the instrument, determination and finally testing the hypothesis.
 
Findings: Transformational leadership has a significant positive effect on behaviour Innovative, transformational leadership has a significant positive effect on knowledge sharing, knowledge sharing has no significant effect on innovative work behavior.
 
Practical implications: The findings of this study can be used by public organizations to attract innovative work behavior. Moreover, for academics, it can support new knowledge as well as supporting theories.
 
Original/Value: A significant contribution to the body of knowledge is achieved through testing and subsequent confirmation of the effects of Transformational Leadership on Innovative Work Behavior, Transformational Leadership on Knowledge sharing and Knowledge sharing on Innovative Work Behavior of Public Organizations in the digital era.
Problems with complex college admissions policies and overloaded after-school private education on middle- and high-school students’ mental health in South Korea
Authors: Xu Jingyi , Lee Sun Goo
Published: July 2023

Background

College admissions policies are complex and fast-changing in South Korea (hereinafter, Korea). The Korean Disease Control and Prevention Agency and the Ministry of Education have jointly conducted adolescent health behavior surveys every year since 2005. Mental health is included in the survey as an important category. We examined the effects of the current complicated college admissions process on the mental health and well-being of middle- and high-school students in Korea, to serve as a guide for future educational policy reforms.

Methods

We performed secondary statistical analyses on varied data collected between 2017-2021. The data are obtained from Korean Statistical Information Service, Korean Disease Control and Prevention Agency, Korean Ministry of Education, National Youth Policy Institute, and other related Korean government branches. We used the proportional allocation method, which took account of the size of the 17 cities and provinces in South Korea, as well as the population numbers in those regions. Our statistics are reliable owing to the robustness of the official source data and the large sample size.

Results

Notably, middle- and high-school students generally spend several hours in private classes (because public schools are insufficient to prepare for the college admissions process) and on their daily homework, leaving limited leisure time. Parents spend a significant portion of their household income on private education. Moreover, middle-and high-school students suffer greatly from severe mental health issues such as with suicide, depression, anxiety, and similar indicators. Middle- and high-school students are experiencing mental health problems that are not merely stress.

Conclusions

A secondary analysis of the collected data suggests that the complex college admission process and over-loaded mental health issues among Korean middle- and high-school students are quite serious. The results can further serve as a guide for policymakers to evaluate and plan youth health policies and health promotion projects for students in South Korea.
Implementasi Kebijakan COVID-19 di Pondok Pesantren: Studi Kasus Pondok Pesantren Jamil Kecamatan Kesugihan, Kabupaten Cilacap
Authors: Hermawanti Elita , Husain Fadly
Published: July 2023

The implementation of the COVID-19 policy is the result of adjusting the existing conditions within the Islamic boarding school environment. With the implementation of the COVID-19 policy causing a social rearrangement included in the world of education. The purpose of this study is to understand the implementation of the COVID-19 policy in the Jamil Islamic Boarding School environment and identify the responses shown by Jamil Islamic Boarding School residents to the implementation of the policy. This research uses qualitative methods of the case study type that produce descriptive data. The results of the research show that the Kiai are the most important decision-makers. The determinants of the application of implementation are based on the conditions of Islamic boarding schools in the fields of education and health which are divided into two policies namely zhohir (physical) and bathiniyah (inner). This raises various responses from residents of Islamic boarding schools, especially students. These responses fall into five aspects, namely health recommendations, attitudes toward the government, stigma, religion, and personal identity. Implementation of policies through approaches through religion and respected religious leaders is more acceptable to Islamic boarding school residents compared to policies issued only by the government.
Dampak Keluarnya NU dari Masyumi Terhadap Politik Indonesia, 1952-1960
Authors: Rizaldi Martin , Fiizha Berliana Fatihatuz , Evendi Ervin Yunus , Mufti Muhammad 'Afwan , Febriani Shovi Wiranata
Published: July 2023

Nahdlatul Ulama is one of the Islamic organizations in Indonesia that prioritizes two important realities, namely Islam and Indonesia. NU played a role in the world of politics, especially in an Islamic assembly, namely MIAI (Majelis Islam A'la Indonesia) in 1937. However, the assembly was changed to Masyumi (Majelis Syuro Muslimin Indonesia) in 1943. Masyumi had a vision of becoming a political party and working together with NU, Muhammadiyah, Persis, and other Islamic organizations. The discussion will be focused specifically explain the relationship between NU and Masyumi. The aim is to explain the role of NU in Masyumi, the causes of NU's departure from Masyumi in 1952, and the political impact of NU's departure from Masyumi. The research method that will be used in this paper is historical research methods with a qualitative approach. The results of the study explained that the reason for leaving NU was getting worse because of differences in understanding between culture and ideology within Masyumi. NU's exit from Masyumi had its own political impact on Indonesia. NU which eventually became a new political party with quite good behavior in the 1955 elections, until the Masyumi organization was banned from operating in various regions and the PRRI rebellion occurred.
Hemodynamic eﬀects of antihypertensive therapy in patients with hypertension and rheumatoid arthritis comorbidity
Authors: Samorodskaya N. A. , Eliseeva L. N.
Published: July 2023

Research  objective.  Evaluation  of the influence  of 6-month  antihypertensive  therapy  with  drugs  of diﬀerent  classes on hemodynamic parameters of the circulatory system in patients with comorbid hypertension and rheumatoid arthritis. Materials and methods. Patients who met age criteria (58.6 ± 6.4 years), duration of hypertension (11.2 ± 1.6 years), onset (aged 45–64 years), and duration (7.2 ± 2.1 years) of rheumatoid arthritis were divided into groups: Group I (136 men, 141 women) — 277 patients  with stage II hypertension;  Group II (28 men, 114 women)  — 142 patients  with stage II  hypertension  and rheumatoid arthritis (in clinical-laboratory remission); Group III (20 men, 92 women) — 112 patients with stage II hypertension and rheumatoid arthritis (in clinical-laboratory  exacerbation). Antihypertensive  monotherapy was prescribed by polyclinic doctors: nebivolol, lisinopril, losartan, amlodipine, indapamide, and a combination of lisinopril and indapamide. Observation was carried out for 6 months. Results. The influence of antihypertensive therapy (6 months) on hemodynamic parameters of the circulatory system in patients of groups I and II was presented by positive dynamics of morphometric and speed parameters, while in group III patients the indicators were less significant and more distant. Conclusion.  The presence of rheumatoid arthritis introduces additional changes in the dynamics of hemodynamic eﬀects of prescribed antihypertensive therapy and is determined by the degree of disease activity and adequacy of basic anti-inflammatory therapy.
Diffusion tensor imaging (DTI) Analysis Based on Tract-based spatial statistics (TBSS) and Classification Using Multi-Metric in Alzheimer's Disease
Authors: Zhang Yingteng , Zhan Feibiao
Published: July 2023

Background: Alzheimer’s disease (AD) is a brain disorder characterized by atrophy of cerebral cortex and neurofibrillary tangles. Accurate identification of individuals at high risk of developing AD is key to early intervention. Combining neuroimaging markers derived from diffusion tensor images with machine learning techniques, unique anatomical patterns can be identified and further distinguished between AD and healthy control (HC). Methods: In this study, 37 AD patients (ADs) and 36 healthy controls (HCs) from the Alzheimer’s Disease Neuroimaging Initiative were applied to tract-based spatial statistics (TBSS) analysis and multi-metric classification research. Results: The TBSS results showed that the corona radiata, corpus callosum and superior longitudinal fasciculus were the white matter fiber tracts which mainly suffered the severe damage in ADs. Using support vector machine recursive feature elimination (SVM-RFE) method, the classification performance received a decent improvement. In addition, the integration of fractional anisotropy (FA) + mean diffusivity (MD) + radial diffusivity (RD) into multi-metric could effectively separate ADs from HCs. The rank of significance of diffusion metrics was FA > axial diffusivity (DA) > MD > RD in our research. Conclusions: Our findings suggested that the TBSS and machine learning method could play a guidance role on clinical diagnosis.
Progress in the Metabolomics of Acute Coronary Syndrome
Authors: Zhang Fu , Li Bo , Su Hongling , Guo Zhaoxia , Zhu Hai , Wang Aqian , Jiang Kaiyu , Cao Yunshan
Published: July 2023

Acute coronary syndrome (ACS) is a severe type of coronary heart disease (CHD) with increasing prevalence and significant challenges for prevention and treatment. Metabolomics is an emerging technology with intrinsic dynamics and flexibility to better delineate the phenotypic and metabolic alterations in organisms at the time of altered pathological states. It provides new insights into the complex pathological mechanisms of cardiovascular disease and contributes to the early detection, monitoring and evaluation of ACS. In this review, we analyze and summarize the literature related to ACS metabolomics which has contributed to the diagnosis and prevention of ACS.
Analysis of the raw material base for pectin production
Authors: Mushtruk Nataliia , Mushtruk Mikhailo
Published: July 2023

The addition of pectin to food products is important because this natural polysaccharide plays a key role in improving the quality and stability of the product, it allows for high-quality preservation of products that have a long shelf life, which is important for the health and wellbeing of consumers. The purpose of the study is to investigate the main raw materials of plant origin for the synthesis of pectin, which can be used as a promising raw material for food industry enterprises in Ukraine. The study was carried out using various methods of analysis, a thorough comparative analysis of papers by Ukrainian and foreign researchers, which are published in the scientometric databases Scopus, Web of Science, Journal Citation Reports, Scimago Journal & Country Rank, and Google Scholar. Based on the results of analytical studies, the main raw materials used for the production of pectin and pectin-containing pastes were analysed, and the main problems of the production process were identified. It has been found that adding pectin to food products can have a significant number of benefits: increasing the viscosity of the product, which is useful for creating a thick texture of the product; increasing the resistance of the product to heat treatment, reducing the risk of product separation or quality degradation; increasing functionality; introducing it into products can help improve the consistency and appearance of the product, add taste and color properties, and reduce the amount of sugar that must be added to the product to ensure viscosity and taste. It is established that the main raw material for the production of pectin in Ukraine is apple fruits. It is proven that pectin can be obtained from other fruits, berries, and vegetables, such as gooseberries, currants, cherries, pumpkins, etc. The intensification of the pectin production process should provide the population with a high-quality product that will prevent various types of intoxication by removing radionuclides from the body and contribute to the recovery of people in the post-war period. The practical significance of this study lies in the ability to help manufacturers find optimal sources of raw materials with a high pectin content to ensure the quality of the final product. In addition, this study will also facilitate the development of appropriate technological solutions for the optimal process of producing pectin from the selected raw materials
DIAGNOSIS OF THE CONDITION HIGH-VOLTAGE SUPPORT INSULATORS BY LEAKAGE CURRENTS
Authors: Kotysh A. , Petrova K. , Savelenko I. , Serebrennikov S.
Published: July 2023

The assessment of the discharge strength of the insulation is of the utmost importance for the prevention of overlap and the establishment of the deadline for the implementation of preventive measures.

Preventive measures used in electric networks to prevent insulator overlap have low efficiency, and existing diagnostic and control tools are not always able to correctly assess the insulating capacity of insulators during operation.

The main reasons for overlapping and damage to the insulation are its contamination with various chemical substances, which is also accompanied by moisture.

Overlapping of the surface of the insulators leads to single-phase short circuits to the ground or to interphase short circuits. The greatest danger is caused by short-circuits accompanied by an intermittent electric arc, which can cause large overvoltages in the electrical network, and their value reaches 3...3.2Uf. Such conditions, in turn, are very favorable for covering the surfaces of insulators.

The non-destructive control method of assessing the insulating capacity of insulators based on the measured values of leakage currents is the most suitable not only for insulators of complete switchgears of 10 kV, but also for external insulation of open switchgears of 35 kV, as it allows continuous automatic control of the degree of contamination of the insulator.

The purpose of the research is to establish the functional dependence between the leakage current of the contaminated insulator and its discharge voltage.

As a result of theoretical studies of the working conditions of insulation during operation, the characteristics of the surface layer of insulators contaminated in natural conditions were determined, these characteristics were analyzed depending on the location of the substation and the time elapsed since the last cleaning. According to the methods of regression and correlation analysis, based on experimental data, an empirical regression line was constructed, which made it possible to determine the insulator leakage current, which is dangerous from the point of view of overlapping.
Correlation of Penetration Rate with Drilling Parameters For an Iraqi Field Using Mud Logging Data
Authors: Abdul Hadi Hassan
Published: July 2023

This paper provides an attempt for modeling rate of penetration (ROP) for an Iraqi oil field with aid of mud logging data. Data of Umm Radhuma formation was selected for this modeling. These data include weight on bit, rotary speed, flow rate and mud density. A statistical approach was applied on these data for improving rate of penetration modeling. As result, an empirical linear ROP model has been developed with good fitness when compared with actual data. Also, a nonlinear regression analysis of different forms was attempted, and the results showed that the power model has good predicting capability with respect to other forms.
Effect of Nanoparticles and Surfactant on Phase Inversion of Two Phases
Authors: Farhan Nada M.
Published: July 2023

In the present study, a pressure drop technique was used to identify the phase inversion point of oil-in-water to water-in-oil flows through a horizontal pipe and to study the effect of additives (nanoparticles, cationic surfactant and blend  nanoparticles-surfactant) on the critical dispersed volume fraction (phase inversion point). The measurements were carried  for mixture velocity ranges from 0.8 m/sec to 2.3 m/sec. The results showed that at low mixture velocity 0.8 and 1 m/sec there is no effect of additives and velocity on phase inversion point, while at high mixture velocities the phase inversion point for nanoparticles and blend (nanoparticles/surfactant) systems was delayed (postponed) to a higher value of the dispersed phase volume fraction (oil volume fraction) compared to the system of surfactant where the phase inversion point was occurred at low dispersion phase volume fraction.

For all systems the desperation volume fraction at the point of inversion decreases with increasing mixture velocity.

Indeed, the results showed that surfactant was more effective on phase inversion point than solid nanoparticles.
The Influence of Eggshell Particle Sizes on the Adsorption of Organic Dye
Authors: Fahad Besma Mohammed , Ali Nisreen Sabah , Hameed Tamarah T.
Published: July 2023

This work aimed to use effective, low-cost, available, and natural adsorbents like eggshells for removal of  hazardous organic dye result from widely number of  industries and study the influence of different eggshell particle size (75, 150) Mm.  The adsorbent was characterized by SEM, EDX, BET and FTIR . The initial pH of dye solutions  varying from 4 to 10 , the initial concentrations of methyl violet (MV) 2B range (20-80) mg/L, dosage range (0.5-10) g, contact time (30-180) min, and particles size of the adsorbent (75, 150) Mm were selected to be studied. Two adsorption isotherms models have been used to fit the experimental data. Langmuir and Freunlich models were found to more represent the experiments with high correlation coefficient. The results showed that the variation in particle size of  eggshells powder  statistically has  slight effect on the removal of (MV). The highly percentage of dye removal (97.27%) by using eggshells was observed with particle size of 75Mm, pH 4, at room temperatures for 30 min, 10 g adsorbent dose and 20 mg/L initial dye concentration.
Preparation of PPSU Hollow Fiber Nanofiltration Membranes for Nanofiltration Application
Authors: Sherhan Bashir Y. , Abbas Areej D. , Alabdly Hussein A. , Mohammed Thamer J. , Alsalhy Qusay F. , Kidher Thamera , Fahad Lamees H. , Ahmed Hamsa , Melkon Remonda H.
Published: July 2023

PPSU hollow fiber nanofiltration membranes are prepared by applying two concentrations and various extrusion pressures according to the phase inversion method. Cross-sectional area and outer structures were characterized by using scanning electron microscope (SEM) and atomic force microscopy (AFM). In additional to the pore size distribution, either the mean roughness or the mean pore size of the PPSU hollow fiber surfaces was evaluated by AFM. It was found that the morphology of the PPSU fibers had both sponge-like and finger-like structures through different extrusion pressures and PPSU concentrations. The mean pore size and mean roughness for inner and outer surfaces were seen to be decreased with the increase of extrusion pressure at two different PPSU concentrations. Moreover, the lead ion rejection was significantly improved from 19 to 78 % with increasing the extrusion pressure from 2.5 to 3 bar at 25 wt.% PPSU concentration.
Heat Transfer and Hydrodynamic in Internal Jacket Airlift Bioreactor with Microbubble Technology
Authors: Al-Mashhadani Mahmood K. H.
Published: July 2023

Integration of laminar bubbling flow with heat transfer equations in a novel internal jacket airlift bioreactor using microbubbles technology was examined in the present study. The investigation was accomplished via Multiphysics modelling to calculate the gas holdup, velocity of liquid recirculation, mixing time and volume dead zone for hydrodynamic aspect. The temperature and internal energy were determined for heat transfer aspect.

   The results showed that the concentration of microbubbles in the unsparged area is greater than the chance of large bubbles with no dead zones being observed in the proposed design.  In addition the pressure, due to the recirculation velocity of liquid around the draft tube, increased the retention time of microbubbles in the same area.  

   Thus it was expected that their effect on mass and heat transfer phenomena would be positive for biological applications. For example the gas fraction volume of microbubble in the downcomer region is 0.0063, while with fine bubble diameter of 1 mm, this region was free from any bubble. Furthermore, the velocity of liquid in the center of ring diffuser would be 0.175 m/s, if the sparging system operated with bubble diameter of 100 micrometer, whilst would be 0.035 m/s with fine bubble diameter of 1 mm.

   The study also proved the importance of bubble diameter on the heat transfer in gas and liquid phases in the proposed design. Microbubbles gave greater responsiveness to stability and homogeneity in all parts of the bioreactor. Finally, this study concluded the efficiency of the proposed design with the microbubbles technology thermally and hydrodynamically.
Granular cell tumour of the breast: A case report
Authors: Pankratjevaite Lina , Igbokwe Michelle Mistry , Benian Cemil , Lelkaitis Giedrius
Published: July 2023

INTRODUCTION: Breast granular cell tumour (GCT) is a rare but usually benign lesion. PRESENTATION OF CASE: We report a case of a woman with breast GCT. CONCLUSION: Clinically and radiologically, GCT may mimic breast carcinoma. A conclusive diagnosis is made after a histopathological examination of the lesion. The treatment of choice is surgery.
Focus groups on employment related soft skills for transition age youth with disabilities
Authors: Lu Weili , Oursler Janice , Gao Ni , Herrick Samantha , Mariani Jake , Diviney Jason , Socha Crystal , Beninato John
Published: July 2023

BACKGROUND: Work-related soft skills can be an important factor for successful employment outcomes, particularly for individuals with disabilities. OBJECTIVE: This study conducted two focus groups with stakeholders for two state Rehabilitation Councils to identify the needs of specific work-related soft skills for employment success of transition age youth with disabilities. METHODS: 30 participants including 10 individuals with disabilities, 5 family members of individuals with disabilities, 5 disability service providers, 9 disability advocates and 1 unidentified, completed two focus groups to identify a list of soft skills by importance for transition age youth with disabilities to succeed at work. RESULTS: Focus group participants reported that communication skills (face to face communication and emails to coworkers, customers, and employers), conflict resolution skills, advocacy skills, and professionalism are the most important soft skills for transition age youth with disabilities to be successful at work. CONCLUSION: Findings indicated soft skills are critical to work success for transition age youth with disabilities. Vocational rehabilitation providers should teach these critical soft skills when serving transition age youth with disabilities.