bluuebunny/crossref_metadata_2025_split huggingface dataset:
Modeling of ring billets rolling on radial-axial ring-rolling mill
Authors: Snitko S. A. , Yakovchenko A. V. , Pilipenko V. V. , Ivleva N. I. 
Published: October 2020

On the basis of radial-axial rolling of ring billets, resource-saving technologies for metal forming have been created. Determining the rational parameters of this process is the actual scientific and technical task at development of new profiles. The method of three-dimensional finite element modeling is the most effective tool for improving the technological conditions of ring rolling process. However, as practice has shown, the finite element modeling method requires adaptation to each process of metal forming. This is the subject of the present work. The expediency of using dependency for calculating the metal flow stress for finite-element modeling of ring-rolling processes is substantiated. This dependence was developed on the basis of a theory that takes into account the chemical composition of structural carbon steel, its temperature, strain rate, accumulated deformation, and also the processes of dynamic transformation of the metal structure during hot rolling. A computer program for automated determination of dependency parameters has been developed. The analysis of the accuracy of the obtained dependence was performed in relation to the experimental data. In the course of these calculations, the method of automated determination of the metal flow stress was used by spline interpolation of the experimental data included in the computer database of digital information for a particular steel grade. The average relative error of calculated values of the metal flow stress was 8 % relative to the experimental ones. An improved method is proposed for calculating the parameters of ring billets rolling and reaching the required growth rate of the ring diameter implemented in a finite element modeling system, which is similar to the way the control system of the ring-rolling mill works in solving the same problem (reaching the required growth rate of the ring diameter) when implemented appropriate rolling in practice. When calculating the size of the compression, the iterative process and the method of half division were used. The average deviations of calculated values of the parameters of ring billets rolling from the experimental did not exceed 12.4 %, which makes it possible to apply the proposed approach to study the patterns of the rings rolling process and to improve the rolling technology.
Desain Didaktis Luas Daerah Segi Empat Sembarang Berbasis Model Pembelajaran SPADE
Authors: Utami Dwi , Nur’aeni Epon , Nugraha Akhmad 
Published: October 2020

This research was motivated preliminary studies results on non optimal the students’ ability of scalene rectangular area and the obstacle leraning experienced by students. The effort made by the teacher to overcome the learning obstacle is to design learning based on students’ needs and characteristics. In the implementation the teacher should adjust the design in accordance with the classroom situations and conditions. The purpose of this study were to describe the didactic design of scalene rectangular area based on the SPADE learning model for fourth grade students of elementary schools and to describe the implementation and responses of teachers and students toward the didactic design of scalene recrangular area based on the SPADE learning models in elementary schools. The research method used was a qualitative by DDR (Design Didactial Research) model consisting of three stages: prospective analysis, metapedadidactic analysis, and restropective analysis. This research was conducted in the fourth grade. The instrument of data collection used essay question on scalene rectangular area. The results of the study is a teaching materials in form of student activity sheets and lesson plans that were developed as alternatives in primary schools learning to minimize learning obstacles in mathematics learning in forth grade of elementary schools.
Attitudes towards sharing housework in couple context: An empirical, factorial survey approach
Authors: Schulz Florian 
Published: October 2020

Objective: This study measured and compared the attitudes of German women and men towards sharing total housework, routine housework and non-routine housework in couples.
Background: Although attitudes towards gender roles and the notion of separate spheres are important for understanding many aspects of family life, knowledge about situational variations of women’s and men’s attitudes towards housework sharing is limited.
Method: Original data from a factorial survey of 1,120 German women and men from 2016 were used to describe variations in the attitudes of women and men towards three sets of housework using multilevel regression models.
Results: Women and men expressed their attitudes towards equal sharing of total and routine housework, but non-routine housework was assigned to male partners in couples. Attitudes differed widely according to the context of the couple: In couples with similar economic resources, respondents favored equal sharing of housework, and in couples with unequal arrangements, the partner with fewer resources was tied to more housework and vice versa.
Conclusion: When evaluating housework responsibilities, women and men in this study seemed to follow the principles of equity and balanced exchange.
The Role of Computed Tomography in Differentiation of Coronavirus Pneumonia, its Complications and Comorbidities. Case Reports
Authors: Petrovichev V. S. , Melekhov A. V. , Sayfullin M. A. , Nikitin I. G. 
Published: October 2020

Background: computer tomography (CT) features of COVID-19, their temporal changes and differences from other pulmonary (viral and bacterial pneumonia) and non-pulmonary diseases are well described in recent publications. The prevalence and characteristics of signs of concomitant problems that could be identified at chest CT are less studied.Aim: to analyze the prevalence and characteristics of chest CT features of COVID-19, its complications and comorbidities.Methods: retrospective analysis of CT and clinical data of 354 patients hospitalized with suspected COVID at April and May of 2020.Results: 962 CT scans were analyzed (3 (2-3) scans per patient). First CT was performed at 8 (5-11) day of sickness. Several roentgenological scenarios could be highlighted: patients with coronavirus pneumonia (n=295; 83%); with combination of COVID-19 and another pathology (n=36; 10%); with complications of COVID-19 (n=12; 3%); with alternative pathology (n=2; 1%); without any pathological signs (n=9; 3%). Several cases, illustrating CT signs of coronavirus pneumonia, its complications and comorbidities are reported.Conclusion: CT possibilities are not limited to detect typical COVID-19 signs, it also helps to differentiate pulmonary and other thoracis pathology.
Pengembangan Media Pembelajaran Baca Tulis Permulaan Berlandaskan Karakteristik Siswa
Authors: Yulianti Dwi , Supriadi Supriadi , Riadi Bambang , Munaris Munaris 
Published: October 2020

The purpose of this study is to develop preliminary reading and writing teaching media for the first (1st) grade elementary school students. The method used in this study is the Research and Development (R & D) approach. The results of the study were obtained from the first level of reading and writing teaching media, level 2 and level 3. The results of learning media have undergone various validation tests and shown learning effectiveness. Content validation test results obtained mean rating 4.18, which means the media content is very valid. Language validation test results obtained 4.24 which means that the language of learning media is very good. Design validation results obtained 4.34, which means the teaching media design is very good. The effectiveness data shown that preliminary reading and writing teaching media has mean of 40.75 at 3â‰¤ RË‚4, which means that the preliminary reading and writing teaching media categorized as very effective in facilitating students to learn how to read and how to write at the beginning.
Team Approach: Rehabilitation Strategies for Patients After Osteosarcoma Reconstructive Surgery
Authors: Kim Tae Won B. , Kumar Rohini Johar , Gilrain Kelly L. , Kubat Emily , Devlin Caitlyn , Honeywell Samantha , Amin Sheena J. , Gutowski Christina J. 
Published: October 2020

» The multimodal treatment of osteosarcoma with chemotherapy, surgical resection, and reconstruction has improved outcomes after a limb-salvage surgical procedure.» Physical rehabilitation considerations after surgical resection vary, depending on the location of the tumor.» Physical medicine and rehabilitation physicians incorporate lymphedema specialists, orthotists, and prosthetists to help to improve limb function.» Beyond physical rehabilitation, psychological or behavioral interventions and nutritional rehabilitation are necessary to maximize a patient’s return to function.
Reducing False Negative PCR Test for COVID-19
Authors: Bahreini Fatemeh , Najafi Rezvan , Amini Razieh , Khazaei Salman , Bashirian Saeid 
Published: October 2020

As the SARS-CoV-2 (COVID-19) pandemic spreads rapidly, there is need for a diagnostic test with high accuracy to detect infected individuals especially those without symptoms. Real-time polymerase chain reaction (RT-PCR) is a common molecular test for diagnosing SARS-CoV-2. If some factors are not taken into consideration when performing this test, it can have a relatively large number of false negative results. In this article, we discuss important considerations that could lead to false negative test reduction.
Key words: • SARS-CoV-2 • COVID-19 • Real time polymerase chain reaction • RT-PCR test • Diagnosis • False negatives • Genetics • Emerging disease

Copyright © 2020 Bahreini et al. Published by Global Health and Education Projects, Inc. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in this journal, is properly cited.
Ratings of Performance in Multisource Feedback: Comparing Performance Theories of Residents and Nurses
Authors: Tariq Muhammad , Govaerts Marjan , Afzal Azam , Ali Syed Ahsan , Zehra Tabassum 
Published: October 2020

Abstract
Background Multisource feedback (MSF) is increasingly being used to assess trainee performance, with different assessor groups fulfilling a crucial role in utility of assessment data. However, in health professions education, research on assessor behaviors in MSF is limited. When assessing trainee performance in work settings, assessors use multidimensional conceptualizations of what constitutes effective performance, also called personal performance theories, to distinguish between various behaviors and sub competencies., This may not only explain assessor variability in Multi Source Feedback, but also result in differing acceptance (and use) of assessment data for developmental purposes. The purpose of this study was to explore performance theories of various assessor groups (residents and nurses) when assessing performance of residents. Methods A constructivist, inductive qualitative research approach and semi-structured interviews following MSF were used to explore performance theories of 14 nurses and 15 residents in the department of internal medicine at Aga Khan University (AKU).Inductive thematic content analysis of interview transcripts was used to identify and compare key dimensions in residents’ and nurses’ performance theories used in evaluation of resident performance.Results Seven major themes, reflecting key dimensions of assessors’ performance theories, emerged from the qualitative data, namely; communication skills, patient care, accessibility, teamwork skills, responsibility, medical knowledge and professional attitude. There were considerable overlaps, but also meaningful differences in the performance theories of residents and the nurses, especially with respect to accessibility, teamwork and medical knowledge.Conclusion Residents’ and nurses’ performance theories for assessing resident performance overlap to some extent, yet also show meaningful differences with respect to the performance dimensions they pay attention to or consider most important. In MSF, different assessor groups may therefore hold different performance theories, depending on their role. Our results further our understanding of assessor source effects in MSF. Implications of our findings are related to implementation of MSF, design of rating scales as well as interpretation and use of MSF data for selection and performance improvement.
Effects of social network incentives and financial incentives on physical activity and social capital among older women: a randomized controlled trial
Authors: Yamashita Ryo , Sato Shinji , Akase Ryoichi , Doi Tatsuo , Tsuzuku Shigeki , Yokoi Toyohiko , Otsuki Shingo , Harada Eisaku 
Published: October 2020

Abstract
Background

Financial incentives have been used to increase physical activity. However, the benefit of financial incentives is lost when an intervention ends. Thus, for this study, we combined social network incentives that leverage the power of peer pressure with financial incentives. Few reports have examined the impact of physical activity on social capital. Therefore, the main goal of this study was to ascertain whether a combination of two incentives could lead to more significant changes in physical activity and social capital during and after an intervention.

Methods

The participants were 39 older women over 65 years of age in Kumamoto, Japan. The participants were randomly divided into a financial incentive group (FI group) and a social network incentive plus financial incentive group (SNI+FI group). Both groups underwent a three-month intervention. Measurements of physical activity and social capital were performed before and after the intervention. Additionally, the effects of the incentives on physical activity and social capital maintenance were measured six months postintervention. The financial incentive group received a payment ranging from US$4.40 to US$6.20 per month, depending on the number of steps taken during the intervention. For the other group, we provided a social network incentive in addition to the financial incentive. The SNI+FI group walked in groups of three people to use the power of peer pressure.

Results

A two-way ANOVA revealed that in terms of physical activity, there was a statistically significant interaction between group and time (p=0.017). The FI group showed no statistically significant improvement in physical activity during the observation period. In terms of social capital, the change in trust approached significance ( p =0.08).

Conclusion

Our results suggest that social network incentives, in combination with financial incentives, are more effective for promoting physical activity than financial incentives alone among older women and that these effects can continue after an intervention. In the meantime, further studies should be conducted on the effect of physical activity on social capital.
NGS based expanded pilot carrier screening study in North Indian population reveals unexpected results.
Authors: Singh Kanika , Bijarnia-Mahay Sunita , Ramprasad Vedam Lakshmi , Puri Ratna Dua , Nair Sandhya , Sharda Sheetal , Saxena Renu , Kohli Sudha , Kulshreshtha Samarth , Gujral Kanwal , Ganguli Indrani , Verma Ishwar Chander 
Published: October 2020

Abstract
Background: To determine the carrier frequency and pathogenic variants of common genetic disorders in the north Indian population by using next generation sequencing (NGS).Methods: After pre-test counselling, 200 unrelated individuals (including 88 couples) were screened for pathogenic variants in 88 genes by NGS technology. The variants were classified as per American College of Medical Genetics criteria. Pathogenic and likely pathogenic variants were subjected to thorough literature-based curation in addition to the regular filters. Variants of unknown significance were not reported. Individuals were counselled explaining the implications of the results, and cascade screening was advised when necessary.Results: Of the 200 participants, 52 (26 %) were found to be carrier of one or more disorders. Twelve individuals were identified to be carriers for congenital deafness, giving a carrier frequency of one in 17 for one of the four genes tested (SLC26A4, GJB2, TMPRSS3 and TMC1 in decreasing order). Nine individuals were observed to be carriers for cystic fibrosis, with a frequency of one in 22. Three individuals were detected to be carriers for Pompe disease (frequency one in 67). None of the 88 couples screened were found to be carriers for the same disorder. The pathogenic variants observed in many disorders (such as deafness, cystic fibrosis, Pompe disease, Canavan disease, primary hyperoxaluria, junctional epidermolysis bullosa, galactosemia, medium chain acyl CoA deficiency etc.) were different from those commonly observed in the West. Conclusion: A higher carrier frequency for genetic deafness, cystic fibrosis and Pompe disease was unexpected, and contrary to the generally held view about their prevalence in Asian Indians. In spite of the small sample size, this study would suggest that population-based carrier screening panels for India would differ from those in the West, and need to be selected with due care. Testing should comprise the study of all the coding exons with its boundaries in the genes through NGS, as all the variants are not well characterized. Only study of entire coding regions in the genes will detect carriers with adequate efficiency, in order to reduce the burden of genetic disorders in India and other resource poor countries.
LncRNA LINC00342 contributes to the growth and metastasis of colorectal cancer via targeting miR-19a-3p/NPEPL1
Authors: Shen Peng , Qu Lili , Wang Jingjing , Ding Quchen , Zhou Chuanwen , Xie Rui , Wang Honggang , Ji Guozhong 
Published: October 2020

Abstract
Background Long intergenic non-protein coding RNA 00342 (LINC00342) has been identified as a novel oncogene. However, the functional role of LINC00342 in colorectal cancer (CRC) remains unclear. Methods The expression of LINC00342 is detected by real-time PCR (RT-PCR) analysis. Cell proliferation, migration and invasion and xenograft model are examined to analyze the biological functions of LINC00342 in vitro and in vivo using colony formation, would healing and transwell analyses. Dual-luciferase reporter and RNA immunoprecipitation (RIP) assays are used to identify the target interactions between LINC00342, miR-19a-3p and aminopeptidase like 1 (NPEPL1). Results LINC00342 was highly expressed in CRC. Down-regulation of LINC00342 inhibited cell proliferation and metastasis of CRC cells. Moreover, knocking down LINC00342 inhibited the tumor growth in vivo. Mechanistic investigation revealed that LINC00342 might sponge miR-19a-3p to regulate NPEPL1 expression. Further investigation indicated that the ontogenesis facilitated by LINC00342 was inhibited due to the depletion of NPEPL1.Conclusion LINC00342 promotes CRC progression by competitively binding miR-19a-3p with NPEPL1.
iTRAQ-Based Quantitative Glutelin Proteomic Analysis Reveals Differentially Expressed Proteins in the Physiological Metabolism Process during Endosperm Development and their Impacts on Yield and Quality in Autotetraploid Rice
Authors: Xian Lin , Long Yanxi , Yang Meng , Chen Zhixiong , Wu Jinwen , Liu Xiangdong , Wang Lan 
Published: October 2020

Abstract
Background: Autotetraploid rice, which is developed through chromosome set doubling using diploid rice, produces high-quality kernels that are rich in storage proteins. However, little information is available about the content of different proteins in autotetraploid rice and their proteomic analysis. Results: The dynamic changes in four storage proteins, albumin, globulin, prolamin, and glutelin, were analyzed in the endosperm of autotetraploid rice (AJNT-4x) and in that of its diploid counterpart (AJNT-2x) for comparison. The contents of the four proteins were all higher during endosperm development in AJNT-4x than in AJNT-2x, but their change and composition were almost the same in the two materials. Then, iTRAQ was employed to analyze the glutelin profiles of AJNT-4x and AJNT-2x at 10 DAF, 15 DAF, and 20 DAF. A total of 1,326 proteins were identified in AJNT-4x and AJNT-2 x using high-throughput LC-MS/MS. Among the 1,326 identified proteins, there were 362 DEPs in AJNT-4x compared with those in AJNT-2x and 372 DEPs between different development stages in AJNT-4x. Eight important upregulated proteins were identified by qRT-PCR, including B8AM24, B8ARJ0, B8AQM6, A2ZCE6, and Q40689. Among them, B8AM24 and B8ARJ0 were related to the lysine biosynthesis process. GO enrichment analysis revealed that the critical functions of DEPs exhibited little overlap between the 10, 15, and 20 DAF groups. Endosperm glutelin accumulation was regulated mainly by different DEPs during the late stage, and 15 DAF was a critical regulating point for glutelin accumulation. KEGG pathway analysis showed that ribosomal proteins were significantly higher in AJNT-4x than in AJNT-2x at 10 DAF, and the protein processing, biosynthesis, and metabolism of amino acids were higher and more active in AJNT-4x at 15 DAF, while the peroxisome was richer in AJNT-4x at 20 DAF. The PPI network showed that ribosomal proteins gradually decreased with increasing endosperm development. Conclusions: These results provide new insights into dynamic glutelin expression differences during endosperm development in autotetraploid rice, which will help in developing rice cultivars with increased yield and improved grain nutritional quality.