bluuebunny/crossref_metadata_2025 huggingface dataset:
Discrete Inverted Kumaraswamy Distribution: Properties and Estimation
Authors: Hegazy Mai , Abd EL-Kader Rabab , AL-Dayian Gannat , EL-Helbawy Abeer Abd-Alla
Published: March 2022

In this paper, a discrete inverted Kumaraswamy distribution; which is a discrete version of the continuous inverted Kumaraswamy variable, is derived using the general approach of discretization of a continuous distribution. Some important distributional and reliability properties of the discrete inverted Kumaraswamy distribution are obtained. Maximum likelihood and Bayesian approaches are applied to estimate the model parameters. A simulation study is carried out to illustrate the theoretical results. Finally, a real data set is applied.
The Exponentiated Half-logistic Odd Burr III-G: Model, Properties and Applications
Authors: Oluyede Broderick , Peter Peter O. , Ndwapi Nkumbuludzi , Bindele Huybrechts
Published: March 2022

A new family of distributions called exponentiated half-logistic Odd Burr III-G (EHL-OBIII-G) is developed and studied. Mathematical and statistical properties such as the hazard function, quantile function, moments, probability weighted moments, Renyi entropy and stochastic orders are derived. The model parameters are estimated based on the maximum likelihood estimation method. The usefulness of the proposed family of distributions is demonstrated via extensive simulation studies. Finally the proposed model and its special case is applied to real data sets to illustrate its best fit and flexibility.
Data-driven analysis and prediction of COVID-19 infection in Southeast Asia by using a phenomenological model
Authors: Zuhairoh Faihatuz , Rosadi Dedi
Published: March 2022

COVID-19 has spread throughout the world, including in Southeast Asia. Many studies have made predictions using various models. However, very few are data-driven based. Meanwhile for the COVID-19 case, which is still ongoing, it is very suitable to use data-driven approach with phenomenological models. This paper aimed to obtain effective forecasting models and then predict when COVID-19 in Southeast Asia will peak and end using daily cumulative case data. The research applied the Richards curve and the logistic growth model, combining the two models to make prediction of the COVID-19 cases in Southeast Asia, both the countries with one pandemic wave or those with more than one pandemic wave. The best prediction results were obtained using the Richards curve with the logistic growth model parameters used as the initial values. In the best scenario, the Southeast Asia region is expected to be free from the COVID-19 pandemic at the end of 2021. These modeling results are expected to provide information about the provision of health facilities and how to handle infectious disease outbreaks in the future.
Convergence Rates of Maxima of Non-identical Sums
Authors: Ahmad Ibrahim A. , Herawati Netti
Published: March 2022

For a sequence of independent non-identically distributed random variables with positive means, rates of convergence of the maximum of their sums are established.  These rates are exact and are obtained under the same moment conditions as those used for partial sums.
Some Results on Exponentiated Weibull Distribution via Dual Generalized Order Statistics
Authors: Alam Mahfooz , Khan Rafiqullah , Azam khan Mohd.
Published: March 2022

In this paper, we use the concept of dual generalized order statistics dgos which was given by Pawlas and Syznal (2001). By using this, we obtain the various theorems and some relations through ratio and inverse moment by using exponentiated-Weibull distribution. Cases for order statistics and lower record values are also considered. Further, we characterize the exponentiated-Weibull distribution through three different methods by using the results obtained in this paper.
Pareto-Weibull Distribution with Properties and Applications: A Member of Pareto-X Family
Authors: Md. Shohel Rana  , Saman Hanif Shahbaz  , Muhammad Qaiser Shahbaz  , Rahman Md. Mahabubur
Published: March 2022

In the present study, we propose a new family of distributions namely the Pareto-X family. A sub model of the proposed family called Pareto-Weibull (PW) distribution is discussed. The maximum likelihood estimators of the model parameters are obtained. Different distributional properties of the distribution are described. In order to assess the applicability of the model, two real-life applications from environmental and biological study are considered. The practical applications show that the proposed model provides better fitness than any other models used in this study.
Intervened Exponential Distribution: Properties and Applications
Authors: BHAT VILAYAT ALI , Pundir Sudesh
Published: March 2022

This manuscript aims to study the intervention-based probability model. Statistical and reliability properties such as the expressions for, cumulative density function (CDF), mean deviations about mean and median, rth order central and non-central moments, ”generation functions” for moments have been derived. Moreover, the expression for reliability function, hazard rate, reverse hazard rate, aging intensity, mean residual life function, stress-strength reliability, and entropy metrics due to R´enyi and Shannon are also derived. Monte Carlo simulation study performance of maximum likelihood estimates (MLEs) has been carried out, followed by calculations of Average Bias (ABias), and Mean Square Error (MSE). The applicability of the model in real-life situations has been discussed by analyzing the two real-life data sets.
A New Four Parameter Extended Exponential Distribution with Statistical Properties and Applications
Authors: Hassan Amal Soliman , Mohamed Rokaya Elmorsy , Kharazmi Omid , Nagy Heba Fathy
Published: March 2022

In this work, we introduce a novel generalization of the extended exponential distribution with four parameters through the Kumaraswamy family. The proposed model is referred to as the Kumaraswamy extended exponential (KwEE). The significance of the suggested distribution from its flexibility in applications and data modeling. As specific sub-models, it includes the exponential, Kumaraswamy exponential, Kumaraswamy Lindley, Lindley, extended exponential, exponentiated Lindley, gamma and generalized exponential distributions. The representation of the density function, quantile function, ordinary and incomplete moments, generating function, and reliability of the KwEE distribution are all derived. The maximum likelihood approach is used to estimate model parameters. A simulation study for maximum likelihood estimates was used to investigate the behaviour of the model parameters. A numerical analysis is performed for various sample sizes and parameter values to analyze the behaviour of estimates using accuracy measures. According to a simulated investigation, the KwEE's maximum likelihood estimates perform well with increased sample size. We provide two real-world examples utilizing applied research to demonstrate that the new model is more effective.
A novel iterative method to solve a linear fractional transportation problem
Authors: Akin Bas Sema , Gonce Kocken Hale , Ahlatcioglu Ozkok Beyza
Published: March 2022

The linear fractional transportation problem (LFTP) is widely encountered as a particular type of transportation problem (TP) in real-life. In this paper, a novel algorithm, based on the traditional definition of continuity, is presented to solve the LFTP. An iterative constraint is constructed by combining the objective function of the LFTP and the supply-demand condition since the fractional objective function is continuous at every point of the feasible region. By this constraint obtained, LFTP is converted into an iterative linear programming (LP) problem to reach the optimum solution. In this study, the case of asymptotic solution for LFTP is discussed for the first time in the literature. The numerical examples are performed for the linear and asymptotic cases to illustrate the method, and the approach proposed is compared with the other existing methods to demonstrate the efficiency of the algorithm. Also, an application had environmentalist objective is solved by proposed mathematical method using the software general algebraic modeling system (GAMS) with data set of the real case. Finally, some computational results from tests performed on randomly generated large-scale transportation problems are provided.
Bayesian analysis of an M|M|1|∞ queueing model
Authors: Bansal Naveen K. , Vaidyanathan V.S. , Chandrasekhar P.
Published: March 2022

In this paper, by considering an M|M|1|∞ queueing model, Bayes estimators of traﬃc intensity and measures of system performance are worked out under squared error loss function (SELF) based on observed data on the independent interarrival and service times. Further, minimum posterior risk associated with Bayes estimators of traﬃc intensity and system performance measures are obtained under SELF. Numerical illustration of the performance of the estimates is given through simulation study. It is shown that Bayes estimators perform better than the maximum likelihood estimators under the influence of prior information.
Contributions Towards New Families of Distributions: An Investigation, Further Developments, Characterizations and Comparative Study
Authors: Ahmad Zubair , Mahmoudi Eisa , Roozegarz Rasool , Hamedani G.G. , Butt Nadeem Shafique
Published: March 2022

In the past couple of years, statistical models have been extensively used in applied areas for analyzing real data sets. However, in numerous situations, the traditional distributions are not ﬂexible enough to cater to different aspects of the real phenomena. For example, (i) in the practice of reliability engineering and biomedical analysis, some distributions provide the best ﬁt to the data having monotonic failure rate function, but fails to provide the best ﬁt to the data having non-monotonic failure rate function, (ii) some statistical distributions provide the best ﬁt for small insurance losses, but fails to provide an adequate ﬁt to large claim size data, and (iii) some distributions do not have closed forms causing difﬁculties in the estimation process. To address the above issues, therefore, several methods have been suggested to improve the ﬂexibility of the classical distributions. In this article, we investigate some of the former methods of generalizing the existing distributions. Further, we propose nineteen new methods of extending the classical distributions to obtain ﬂexible models suitable for modeling data in applied ﬁelds. We also provide certain characterizations of the newly proposed families. Finally, we provide a comparative study of the newly proposed and some other existing well-known models via analyzing three real data sets from three different disciplines such as reliability engineering, medical, and ﬁnancial sciences.
A New Lifetime Parametric Model for the Survival and Relief Times with Copulas and Properties
Authors: Shehata Wahid A. M. , Butt Nadeem Shafique , Yousof Haitham , Aboraya Mohamed
Published: March 2022

In this article, we introduce a new generalization of the Exponentiated Exponential distribution. Various structural mathematical properties are derived. Numerical analysis for mean, variance, skewness and kurtosis and the dispersion index are performed. The new density can be right skewed and symmetric with "unimodal" and "bimodal" shapes. The new hazard function can be "constant", "monotonically decreasing", " monotonically increasing", "increasing-constant”, “upside-down-constant", "decreasing-constant". Many bivariate and multivariate type model have been also derived. We assess the performance of the maximum likelihood method graphically via the biases and mean squared errors. The applicability of the new life distribution is illustrated by means of two real data sets.
The Effectiveness of Oil Palm Empty Bunch Compost and Goat Manure on Shallots Cultivated on Red Yellow Podzolic Soil
Authors: Mamondol Marianne Reynelda , Meringgi Amossius Rompolemba Andi Baso
Published: March 2022

Red yellow podzolic (RYP) soil is one of the limiting factors in crop cultivation due to its high level of acidity and low content of essential nutrients. This study aimed to explore the effect of oil palm empty bunch (OPEB) compost and goat manure on shallots cultivated on RYP soil, determine the best treatment combination as fertilization recommendation, and analyze the economic feasibility for organic shallot farms. Observations were conducted on soil pH, crop growth, crop yield, shallot farm economic analysis, and the fertilization effectiveness calculation.  The results demonstrated that the fertilization had a significant interaction effect on crop height, number of tillers, and fresh and dry tuber weights, but not on the soil pH, number of leaves, and tubers per cluster. A combination of 4 ton/ha compost and 1,00 ton/ha manure resulted in optimal production of dry tubers reaching 0.708 kg/plot (2.36 ton/ha). Meanwhile, the highest production of dry tubers of around 0.990 kg/plot (3.30 ton/ha) resulted from the combination of 5 ton/ha compost and 1.25 ton/ha manure.  Farm analysis showed that organic fertilizer applications provided economic profit, indicated by R/C Ratio value greater than 1. The effectiveness of organic fertilization using compost and manure reached the highest values of 318.90% and 384%, respectively.
Epiphytic Weeds Control by Root Infusion Method in Oil Palm
Authors: Edyson Edyson , Murgianto Fitrah , Ardiyanto Adhy
Published: March 2022

Epiphytic weeds living on oil palm trunks will complicate harvesting activities. In addition, the presence of this weed can increase the risk of accidents being hit by fruit during harvesting. The objective of this research was to obtain herbicide and its efficient concentrations to control epiphytic weeds using root infusion method. The research was arranged in a single factor completely randomized design (CRD) with five treatments and five replications. Active ingredients of herbicide that used were methyl metsulfuron at a concentration of 20%, 30%, and 40%, glyphosate 30%, and triclopyr + diesel fuel at a ratio of 1:19. All treatments except triclopyr were diluted in 100 ml water for each epiphytic weed. Weed mortality rate (%) was observed every week for one month. The results showed that a solution of 30% methyl metsulfuron herbicide in 100 ml of water and 30% glyphosate in 100 ml of water was the most optimal treatment in controlling epiphytic weeds. Cutting the entire suction root of epiphytic weeds can increase the chance of weed mortality.
The Role of Indigenous Mycorrhizae of Corn Plants in Various Soil Types in Gunung Kidul, Indonesia
Authors: Diannastiti Fani Aulia , Utami Sri Nuryani Hidayah , Widada Jaka
Published: March 2022

Indigenous Vesicular-Arbuscular Mycorrhizae (VAM) are natural mycorrhizae from specific areas that have good environmental adaptability. This study, conducted from January to November 2020 at the Faculty of Agriculture, Universitas Gadjah Mada,  aimed to isolate the vesicular-arbuscular mycorrhizal fungus so that it can be used as information on the type and role of VAM on Gunung Kidul soil. The research was arranged in a Completely Randomized Design (CRD) with three factors. The first factor was soil type from Gunung Kidul Regency (Inceptisol, Mollisol, and Alfisol), the second factor was sterilization (sterilized soil and unsterilized soil), and the third factor was corn variety (local and hybrid). Analysis of soil and plant growth was performed by using Analysis of Variance (ANOVA) and Tukey's Honestly Significant Difference (Tukey's HSD) Test. Genetic detection of root infecting VAM was performed by using Terminal Restriction Fragment Length Polymorphism (T-RFLP) method with FAM AML1-AML2 labeled primers. The VAM detected in the roots of hybrid variety included Acaulospora sp., Gigaspora sp., and Septoglomus sp., and those in the roots of local variety were Acaulospora sp., Gigaspora sp., and Funelisformis sp. The results showed that the role of VAM could be seen through unsterilized soil so that there was no VAM elimination in the soil. Unsterilized soil showed the best results of root infection, leaf fresh and dry weight, leaf phosphor (P) content, and leaf P uptake. Meanwhile, Alfisol showed the best result of root infection, fresh weight, dry weight, leaf P content, and leaf P uptake. The treatment of plant varieties showed that the varieties did not significantly affect the root infection, fresh weight, dry weight, leaf P content, and leaf P uptake.
Weeding Frequencies Improve Soil Available Nitrogen in Organic Paddy Field
Authors: Maimunah Margi Asih , Kautsar Valensi , Bimantara Putu Oki , Kimani Samuel Munyaka , Utami Asih Indah , Sabri Riza Kurnia , Tawaraya Keitaro , Utami Sri Nuryani Hidayah , Purwanto Benito Heru , Cheng Weiguo
Published: March 2022

Appropriate weeds control is needed against weeds constraints in field, especially the organic field. With the appropriate management, weeding would benefit the organic field not only in reducing weeds but also in increasing nitrogen (N) availability in organic rice fields. This research aims to observe soil available N changes affected by weeding frequencies in organic paddy fields. Treatments applied were five weeding frequencies (WF) such as 0 WF, 2 WF, 4 WF, 6 WF, and 8 WF, to study the effect of various weeding frequencies on soil total N and available N ( NH4+ and NO3–) in the organic rice field. The soil in the conventional field was analyzed as a comparison to organic field soil. The results showed that soil C and N contents are similar in all treatments. Meanwhile, 6 WF performed the highest soil  NH4+ among organic plots (10.36 mg N kg–1) and 8 WF enhanced soil NO3– to the highest average among all plots (10.12 mg N kg–1). The treatment of 6 WF and 8 WF also maintain the increase of soil  NH4+ to 51 days after transplanting (DAT), meanwhile 0 WF, 2 WF, and 4 WF decreased after 40 DAT. Water samples from fields inlet-outlet and river showed that  NH4+ content found in water sample was higher than NO3–. We concluded that the more frequencies of weeding applied to organic fields potentially preserved soil inorganic N longer, which is very important in supporting rice growth.
Agrobiodiversity as Necessary Standard for the Design and Management of Sustainable Farming Systems
Authors: Borsari Bruno
Published: March 2022

Agriculture constitutes the major planetary force, which over the course of the past century has been changing forever the connotations of terrestrial ecosystems, due to its dependence on resources and impacts (e.g.: global climate change, biodiversity loss, pollution, and eutrophication of fresh and coastal waters). The purpose of this work aimed at demonstrating the compelling need to design and manage modern farms in a way that these may conserve, and even foster biodiversity because its restoration offers resilience, longevity, and productivity to 21st century farms. Therefore, special emphasis in this work was given to the management of agricultural soils and agroforestry. These approaches enhance biological diversity, while strengthening the health of plants, animals, and human communities thus, contributing to the health of planet Earth. Agroecology is the science, practice and social movement that effectively, can assist with a conversion of farming systems toward sustainability and a restoration of agrobiodiversity.
Variability of Agro-morphological Character and Genotype Clustering of Watermelon [Citrullus lanatus (Thunberg) Matsum & Nakai] as Basic Selection for New Variety
Authors: Lestari Puji , Waluyo Budi
Published: March 2022

Watermelon [Citrullus lanatus (Thunb) Matsum Nakai] is an important fruit commodity, which has the potential to be developed. Watermelon belongs to the cucurbitaceae family, which has advantages in terms of nutritional, environmental and economic values. Production of watermelon in Indonesia decreased from 2014 to 2016. Therefore, the productivity of watermelons could be increased by conducting this research. The aim of this research was to examine the variability of agro-morphological characters and clustering of watermelon. This research was conducted using seventy eight watermelon genotypes. Seventy-five watermelon genotypes and three commercial varieties were grown in an augmented design. Seventy-five genotypes were spread into four blocks, and each block contained the commercial varieties. The result of this research showed that the cumulative variability reached 81.22 %, with seventen main components and only five effective main components. Based on the cluster analysis, the seventy eight watermelon genotypes were divided into seven clusters, resulting in genetic distance of 0.486 - 0.999 and coefficient of similarity of 93 %. Ten watermelon genotypes selected based on consumer preferences can be used as recommendations to be released as a variety.
Determination of Agronomic Characteristics as Selection Criteria in Potato Crossing Lines
Authors: Ishartati Erny , Sufianto Sufianto , Zakia Aulia , Mejaya Made Jane , Madianto Rudy
Published: March 2022

Vegetative propagation of potato decreases variation in commercially cultivated varieties. Induction of variability in potatoes is needed for crop improvement. Selection is selecting the best individual plants based on the desired characteristics, which will be effective when suitable characteristics are used. The objective of this study was to determine the agronomic characteristics for the selection of potato crossing lines through heritability, genetic variability, and genotypic correlation. The experiment was conducted at the Greenhouse, Sumber Brantas Village, Batu City, East Java. The materials used were 30 potato lines resulting from LJPRSD1 x AP-4. This study was arranged in a complete randomized design (RCD) with three replications. The agronomic characteristics observed include plant height, stem diameter, number of leaves, the diameter of tuber, number of tubers, tuber length, weight per tuber, starch, and glucose. Almost all characteristics observed showed high heritability values, except stem diameter and tuber length. The genetic variability in stem diameter, tuber diameter, and tuber length was low, whereas the genetic variability in other characteristics was slightly low. The genotypic correlation was significant between characteristics, except between starch content and weight per tuber. Meanwhile, the agronomic characteristics used for selection are plant height, diameter of tuber, number of tubers.
The Yield Gap Maize under Intensive Cropping System in Central Java
Authors: Aristya Vina Eka , Samijan Samijan
Published: March 2022

The study aimed to estimate the level of the yield gaps of maize in major producing areas, point out the causes of yield gaps in farmers’ maize fields, and identify opportunities to the existing yield gaps through management practices of maize production in Central Java. This is the strategy for closing the existing yield gaps to achieve food self-sufficiency in agricultural land. Methods to estimates the yield gaps should cover data sources on physical conditions (weather and soil), management practices, and smallholder shapes. The relevant methods for estimating actual yields (Ya), potential (Yp), and water-limited (Yw) were compared. The yield gaps of maize under intensive cropping systems in rainfed ecosystems resulted in significant differences in all cultivation situations. The lowland rainfed maize showed Ya, Yp, and Yw values of 5.57, 12.83, and 12.47 ton/ha, respectively. The major causes of the yield gaps include variety, land preparation, and water issues concerned with the limited water inputs.
Histopathological Evaluation of Soybean (Glycine max (L.) Merr.) Strains Resistance to Sclerotium rolfsii Disease
Authors: Samiyarsih Siti , Erlina Chindy Ayu , Muljowati Juni Safitri , Fitrianto Nur
Published: March 2022

Sclerotinia infection of stem and leaf of soybean Glycine max (L.) Merr. caused by the fungal pathogen of Sclerotium rolfsii has recently become more important in the Indonesian soybean production area. This study aimed to evaluate the level of resistance and intensity of infection by S. rolfsii in four soybean strains. The research was arranged in a factorial completely randomized design. The observed variables include the anatomy characteristics of leaves and stems of soybean and disease intensity caused by S. rolfsii. The data were analyzed quantitatively with the Analysis of Variance (ANOVA) at 95% and 99% confidence level, followed by the Least Significant Difference Test (Fisher’s LSD) at the level of 5%. Soybean leaves and stem anatomy inoculated by S. rolfsii showed a decrease in the stomatal density, epidermis thickness, and mesophyll thickness as well as a damaged cuticle, damaged stem epidermis, and swollen stem cortex. Four strains inoculated by S. rolfsii showed a higher disease intensity of 40%-80% compared to the resistant cultivar ('Dering') and susceptible cultivar ('Wilis'), showing disease intensity of 20% and 40%, respectively.
The Addition of Trichoderma sp. in Various Types of Organic Liquid Fertilizer to Increase NPK Nutrient Uptake and Soybean Production in Ultisol
Authors: Rapialdi Rapialdi , Munir Jamilah , Ernita Milda
Published: March 2022

Indonesia imports up to 70% of its domestic soybean needs from abroad. Therefore, it is necessary to increase soybean yields in Indonesia, among others, by providing Liquid Organic Fertilizer (LOF). The purpose of this study was to determine the effects of LOF enriched with Trichoderma sp. on the yield of Mutiara-1 soybean in Ultisol. The experiment was conducted on dry land with a pH of 4.66 (acidic) in Kuranji Village, Kuranji District, Padang. The experiment was arranged in a factorial completely randomized design consisting of two factors, including the dose of Trichoderma sp. and the type of LOF. The doses of Trichoderma sp. inoculants were 0, 1, and 2 kg for every 20 kg of fermented LOF main ingredients. The main ingredients of LOF used in this experiment were Chromolaena odorata, Tithonia diversifolia, and Trichoderma sp. Meanwhile, the type of LOF tested was according to the composition of the main ingredients, consisting of no LOF, Crocober, and Tithocroco. The data obtained were analyzed using ANOVA and continued with the LSD test at a 5% significance level. The results showed that the addition of 2 kg of Trichoderma sp. inoculants to Tithonia + C. odorata (Tithocroco) resulted in the highest dry seed production, reaching 3.17 tons ha-1 or an increase of 38.42% compared to those without LOF.
The Mostafa Maged maneuver to prevent and control post-partum haemorrhage during normal vaginal delivery
Authors: Ali Mostafa Maged , Abdelfattah Laila Ezzat
Published: March 2022

Atonic post-partum haemorrhage (PPH) is one of the most challenging complications of normal delivery process. There are many maneuvers applied to the atonic uterus for controlling the blood loss and conserving the uterus from hysterectomy process. There are pharmacological and surgical methods to control the bleeding. In this study, we introduce the Mostafa Maged technique to prevent and control post-partum bleeding during vaginal delivery. It is so simple and not-costly method.
Labour outcome in primigravida with unengaged head: a observational study
Authors: Dewan Anmol , Pati Banishree , Nautiyal Ruchira , Chaudhary Devnanda
Published: March 2022

Background: Physiologically, labour is different in primigravida. It raises the apprehension of physicians. In the last two decades, the rising cesarean section rate is attributed to many factors, amongst which primigravida with the unengaged head is one of the significant cause. Objective were to study the labour outcome in a primigravida with unengaged head at term gestation in labourMethods: An institution based prospective study was conducted among 120 subjects. Primigravida with unengaged head at term gestation at the onset of labour were included. Pregnancy with pathological conditions of the fetus and maternal co-morbid condition were excluded. Intrapartum monitoring was done, and the partograph was plotted.Results: Amongst the study population, 49.2% (59) cases delivered by vaginal delivery. 58 (48.3%) cases were delivered by cesarean section.Non-progress of labour indicated cesarean delivery in most of the cases. In 34.4%of cases, non progress of labour was the indication for cesarean section. Duration of the first stage of labour ranges from 5-26 hours.Conclusions: Primigravida with unengaged head at early labour is not a direct indication for cesarean section. Intrapartum monitoring and the art of instrumental delivery can result in successful vaginal delivery.
Utility of video capsule endoscopy in clinical practice, experience at King Faisal Specialist Hospital and Research Center, Riyadh
Authors: Aljemeeli Feras A. , Alzead Ahmed A. , Shareef Saad Al , Almuhaidb Aymen , Khan Mohammed Q. , AlQaraawi Abdullah , Al-Ashgar Hamad I. , Al-Kahtani Khalid , Al Quaiz Mohammed , Alsohaibani Fahad , Alfadda Abdulrahman , Almahrouq Adnan , Alharbi Ayman A. , Alkhdairi Ahmad A.
Published: March 2022

Background: Video capsule endoscopy (VCE) is a valuable diagnostic tool for the evaluation of the small intestine. Evidence shows that it is effective in the diagnosis of occult bleeding and superficial lesions that are not radiographically observed. We evaluated the efficacy and safety of the capsule endoscopy in the diagnosis and management of the common gastrointestinal disorders.Methods: A retrospective chart review of a total of 326 candidates who have met the inclusion criteria and who underwent VCE from the period from January 2006 till December 2018.Results: The main indication for Video Capsule Endoscopy was small bowel overt gastrointestinal bleeding with 106 cases (32.6%) followed by iron deficiency anemia with 104 cases (32%). Capsule retention rate was observed in 11 cases (3.4%) 4 of which were crohn’s disease patients (22.2%). Overall diagnostic yield was 36%, 64% for overt gastrointestinal bleeding and 41% for occult gastrointestinal bleeding. The most common reported positive finding was Angiodysplasia in 19.9% of cases, followed by ulcers in 13.8% of cases, followed by polyps in 8.3% of cases and erosions in 8% of cases.Conclusions: Video capsule endoscopy proved to be an essential diagnostic tool in gastrointestinal bleeding. Advantages of VCE include; less labor, higher resolution examination of mucosa, relative safety, and noninvasiveness. On the other hand, it does not offer intervention capabilities when compared with enteroscopy and its interpretation was sometimes difficult and time consuming. Risk of capsule retention remains significant especially in patients suffering from crohn’s disease.
Comparing the Effectiveness of Career Adaptability Education to Preschool Students and Attachment-based Counseling to Their Parents on Children’s Career Development
Authors: Khorasani Nazanin , Abedi Mohammadreza , Sadeghi Ahmad
Published: March 2022

Aim: The current study aimed to compare attachment-based counseling to mothers and the impact of career adaptability education to preschool children on children's career development in city of Isfahan. Methods: The statistical population included all of the preschool children aged 5 to 7 and parents of 5 to 7-year-old preschool children in city of Isfahan. Thirty preschool children, aged 5 to 7, were selected voluntarily and randomly divided into two experiment and control groups (10 children in each group). The parent group received the attachment-based counseling, the children group received the career adaptability education, both in 8 sessions. The control group did not receive any education. Data. were collected with preschool students' career development questionnaire, and were analyzed using SPSS-18 and analysis of covariance. Findings: The results suggest that two methods had a considerable effect on time perspective (P<0/05, F=7/35), internal curiosity (P<0/05, F=3/91), information (P<0.05, F=6/06), and external curiosity (P<0/001, F=10/41), and there was no significant differences between the effectiveness of the two methods (P<0/05). Conclusion: Career education and counseling to preschool children and parents impacted the children's career development.
Presenting a Model for Predicting Emotional Divorce based on Personality Traits and Job Self-Efficacy Mediated by Perceived Social Support in Working Married Women
Authors: Asl Nahid , Dokaneifard Farideh , Jahangir Pantea
Published: March 2022

Aim: The aim of this study was to present a model for predicting emotional divorce based on personality traits and job self-efficacy mediated by perceived social support in employed married women. Methods: The method of this research was descriptive-correlational, using structural equation model approach. From the community of married women working in Tehran municipality during the years  2020-21. Individuals were selected through cluster random sampling. Guttman Emotional Divorce Questionnaire, Personality Traits, Job Self-Efficacy, and Perceived Social Support Questionnaire by Zimet et al. Were used to collect data. Structural equations were used to test the research hypotheses. Findings: The findings showed that perceived social support mediates the relationship between extraversion and coping with emotional divorce in a negative and significant way (p<0.01). In addition, perceived social support mediates the relationship between job self-efficacy and emotional divorce in a negative and significant way (p<0.01). Conclusion: Based on the results, it can be said that in order to prevent divorce or emotional divorce, appropriate trainings should be provided to families and families with marital conflicts should be helped with appropriate medical interventions offered through counseling centers to help solve their problems.
May Argyrophilic Nucleolar Organizer Regions be the New Marker of a Hypoxic Response in Non ST Elevation Myocardial İnfarction?
Authors: DAMAR İbrahim Halil , ERÖZ Recep
Published: March 2022

Objective: Non-ST elevation myocardial infarction (NSTEMI) is a type of acute coronary syndrome and its’ incidence is similarly high to ST-elevation myocardial infarction. Nucleolar organizing regions (NORs) are located of the secondary structure of acrocentric chromosome and composed of proteins and ribosomal DNA (rDNA) some of which are argyrophilic. We aimed to investigate the change of AgNOR proteins, which increase in hypoxia, in patients with NSTEMI.

Methods: A total of 125 participants, 63 patients with NSTEMI and 62 volunteers without any acute coronary syndrome were included in the study. Echocardiography was performed and both mean AgNOR Number and total AgNOR area/total nuclear area (TAA/TNA) were detected for each individuals.

Results: The mean AgNOR number and TAA/TNA ratio were significantly higher in the NSTEMI group than control (p
Enriquecimento de Pectina através da técnica squeeze-flow empregando a concha da Lucina Pectinata como fonte de carbonato de cálcio
Authors: Mota Adnaildo Miranda , Carvalho Mateus da Silva , Virgens Cesário Francisco das
Published: March 2022

A discussão mundial e adoção de práticas relacionadas à sustentabilidade, culminaram no reaproveitamento de resíduos provenientes da agroindústria em concordância com os 3R's empregados no país. Segundo dados atuais do IBGE, o Brasil em 2020, produziu 690 mil toneladas de maracujá amarelo (M) - (Passiflora edullis f. flavicarpa), sendo o maior produtor mundial. Contudo cerca de 70% deste percentual é de casca e semente, que se descartados de forma inadequada pode causar impactos ao meio ambiente.  A casca deste fruto, é composta por celulose, hemicelulose, lignina e pectina, que se conectam por meio de pontes de cálcio intermoleculares, sendo capazes de estabelecer interações com espécies externas à sua estrutura, tornando-a promissora para o reaproveitamento. Neste sentido, este estudo visou reaproveitar as conchas da Lambreta(L) - Lucina pectinata como fonte de carbonato de cálcio empregando-a no enriquecimento da casca do maracujá amarelo fazendo uso da técnica squeeze-flow. As investigações foram realizadas a partir da variação da proporcionalidade entre as duas biomassas, gerando novos materiais que foram denominados ML11, ML12, ML13, LM12 e LM13. Os efeitos da mistura das biomassas, foram evidenciados através das técnicas de caracterização: FTIR, TG/DTG, DSC e MEV. Os eventos de degradação térmica das amostras foram avaliados através dos parâmetros cinéticos e termodinâmicos pelo método de Kissinger. Os resultados obtidos constataram um aumento na estabilidade térmica dos constituintes das fibras do maracujá amarelo pelo enriquecimento com carbonato de cálcio oriundo da Lucina pectinata nas amostras ML11, ML12. Pode-se notar que a baixa energia de ativação nas amostras LM12 e ML13 conduz à diminuição da estabilidade térmica desses materiais indicando uma condição ideal na proporcionalidade entre as duas biomassas envolvidas, favorecendo a aplicação desses materiais em processos termoquímicos. Por meio das observações realizadas nos experimentos de FTIR foi possível observar a supressão da banda relacionada ao estiramento -CO (1605 cm-1) indicando a eficiência da técnica squeeze-flow na estrutura do maracujá corroborando com as micrografias obtidas.
Use of Remote Access Technologies and WebLabs as Teaching-Learning Strategy in Engineering
Authors: Assis Wânderson de Oliveira , Coelho Alessandra Dutra
Published: March 2022

This work presents the use of technological tools and remote laboratories developed in order to teaching process control in engineering courses. The proposal is to demonstrate tools that can be used to allow teaching mediated by technologies, with their benefits and limitations, considering the need to carry out practical activities to complement the theoretical classes aiming at better assimilation of the contents for an effective learning. Furthermore, an overview of projects using remote laboratories developed are presented, such as: “WebLab for Speed ??and Position Control of DC Motor”, “WebLab for Mobile Robot Motion Control”, “WebLab for Temperature Control of a Didactic Oven" and finally a "Level Control System with Remote Web Access". This last remote laboratory will be detailed showing the didactic resources used, the available functionalities, the experiments available and the first steps for those who want to implement a remote laboratory for process control.
Breeding value of leafy and root turnip samples from the VIR collection
Authors: Kornyukhin D. L. , Artemyeva A. M.
Published: March 2022

Turnip, Brassica rapa L. subsp. rapa is the oldest vegetable crop in Russia. Turnip varieties are fastgrowing, productive, have valuable biochemical properties, cold-resistant, relatively easy to grow. To expand the vegetable assortment, new varieties and hybrids should be created, first of all, the types of varieties that are not in the State Register of Russia. The purpose of the work: using the data of a long-term study of the VIR collection to identify valuable material for breeding.

Methods. Field study of 170 samples of the VIR collection was carried out in the NPB "Pushkin and Pavlovsk laboratories of VIR" (Leningrad region) in 2001-2020. Sowing was carried out on June 26- 28. Each sample was sown on a single-row plot 2 m long in three repetitions. As a control, turnip varieties included in the State Register were used – the variety of leaf turnip Sapphire, the table turnip variety Petrovskaya-1 and the fodder turnip variety Osterzundomsky. The description was carried out according to the Methodological Guidelines for the study and maintenance of the VIR world collection, with author's additions.

Results. The best leaf turnip samples, found during the study has a large plant mass (up to 1.42±0.32 kg in the Early top F1 sample (k-366, Japan), many samples exceeded the Sapphire standard for this trait. Some of the samples of table turnips also exceed the Petrovskaya-1 standard by weight of the root (Purple top (k-1345, Nepal), Pekki (vr.2176, Finland)). Samples Solovetskaya (k-803, Russia, Murmansk region), Gul Findlandsk (vr.2175, Norway) have a bright yellow flash of the root, are easy to store and resistant to damage by cabbage flies. Among the turnip samples distinguished by yield (Table 5), the most interesting are the turnips Ova Dæhnfeldt (vr.2183, Denmark) and Korova (vr.2187, Sweden), which have yellow flesh and an increased content of β-carotene in roots.

Conclusion. It was possible to identify new samples belonging to groups of leaf and root turnips, that are not represented on the seed and food market of Russia. Such samples belong to morphologically different forms, are productive, carry a complex of valuable economic and biochemical characteristics and are perspective material for inclusion in programs for the selection of leaf and root crops.
Evaluation of heterosis through reciprocal crosses of inbred cucumber lines (Cucumis sativus L.)
Authors: Ushanov A. A. , Ulyanov R. A. , Mironov A. A.
Published: March 2022

The purpose of the study. The aim of the study was to determine the effect of heterosis in short-fruited parthenocarpic F1 cucumber hybrids by the main economically valuable characteristics, when grown using low-volume technology in industrial greenhouses of the Moscow region.

Materials and methods. The object of the study is short-fruited parthenocarpic reciprocal hybrids of cucumber Druzhny (F1 I73514 x I74011), F1 I74011 x I73514 and their parent inbred lines I73514 and I74011 of selection by N.N. Timofeev Breeding Station LLC. F1 SV4097CV of foreign selection of Semenis company (Netherlands) was used as a control. The study was conducted in 2020-2021 in industrial greenhouses of the "V. I. Edelstein Vegetable Experimental Station" of the K.A. Timiryazev Russian State Agrarian University-Moscow Agricultural Academy in Moscow on low-volume hydroponics in peat bags. Parental lines and hybrid combinations were evaluated by earliness, early yield, yield, number of fruits per plant, average fruit weight and marketability.

Results. According to the results of the study, F1 Druzhny (F1 I73514 x I74011) and the reverse hybrid I73514 x I74011 demonstrated high positive effects of heterosis in yield (MPH=19.4...22%; HPH=13.4...15.9%; CH=9.6...12%) and the number of fruits per plant (MPH=22.5...26.4%; HPH=12.5...15.8%; CH=11.7...15%). Negative indicators of the heterosis effect were noted for earliness from germination to flowering (MPH=-3.4...-1.1%; HPH=-6.5...-4.4%; CH=-4.4...-2.2%) and average fruit weight (MPH=-2.2...-1.3%; HPH=-5.3...-4.3%; CH=-3.4...-2.4%). The value of the degree of dominance indicates the presence of positive overdominance in the inheritance of such traits as yield (hp=2.7...3.2), the number of fruits from the plant (hp=1.5...1.9) and marketability (hp=1.6...2.3). Negative overdomination was observed in earliness from germination to flowering (hp= -2...-1.3) and average fruit weight (hp=-1.7...-1.2). According to the signs of earliness from germination to fruiting (hp =0) and early yield (hp=-0.1...0.5), intermediate inheritance was revealed. The Druzhny hybrid significantly exceeded the control hybrid SV4097CV in early yield, yield and number of fruits from the plant, and the reverse hybrid F1 I74011 x I73514 was at the control level, which indicates the prospects of growing these hybrids in the conditions of spring-summer turnover on low-volume hydroponics.
Creation of parthenocarpic lines of smooth and short type of cucumber
Authors: Khomchenko N. N. , Shevkunov V. N. , Muliar V. N. , Pluzhnik I. S. , Kurepin A. V.
Published: March 2022

Relevance. Obtaining modern cucumber hybrids is impossible without the constant involvement of genetically new sources in the breeding process. One of the most important tasks in the issue of creating new heterotic cucumber hybrids is to obtain, and in the future, selection for hybrid crossings, parental lines with the most important economically valuable traits. Research is aimed at obtaining new short-fruited cucumber lines with a smooth type of fruit in order to obtain hybrids with their help that combine resistance to powdery mildew for the “pm” and “pmh” genes, tolerance to the zucchini yellow mosaic virus for the “zymv” genes in combined with high yields, the possibility of growing them not only in unheated film greenhouses, but also in glazed greenhouses.

Methods. This article presents two schemes for obtaining parental forms using the example of creating four cucumber lines with a short, smooth fruit. Their comparative characteristics and description of new hybrids created with the participation of the studied linear material are carried out. Materials and methods. The main studies were carried out in 2013-2020 on the basis of the Pumpkin Cultures Laboratory of the Krymsk Breeding Center "Gavrish" of the Research Institute of Vegetable Breeding (Krymsk, Krasnodar Territory). The research material is F1 hybrids and selection samples of parthenocarpic cucumber with a smooth type of fruit of various origins (34 samples in total) from the NIISOK collection. The work used traditional methods for assessing selection-significant traits and modern methods of molecular labeling. The purpose of the work is to compare two schemes for obtaining short-fruited cucumber forms, to evaluate the created lines and hybrid combinations with their participation in terms of a complex of economically valuable traits.

Results. The result of the work was the creation of new hybrid combinations based on the obtained lines, two of which are included in the State Register of Breeding Achievements. These are F1 Ministar (F1 1600/16) and F1 Promini (F1 1995/16).