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Impact damage to the middle trough of a scraper conveyor based on the engineering discrete element method and orthogonal matrix analysis

Plos.org 
En

by Yanping Yao, Weili Liu, Zhipeng Gao

The middle trough serves as a key part of a scraper conveyor. During the working process, falling raw coal lands on the middle plate of the trough, causing impact damage. This study aims to find the optimal working condition combination to minimize impact damage to the middle trough based on the engineering discrete element method (EDEM) and orthogonal matrix analysis (OMA). In EDEM software, simulation data of the impact damage depth and normal cumulative... Читать дальше...

idpr: A package for profiling and analyzing Intrinsically Disordered Proteins in R

Plos.org 
En

by William M. McFadden, Judith L. Yanowitz

Intrinsically disordered proteins (IDPs) and intrinsically disordered regions (IDRs) are proteins or protein-domains that do not have a single native structure, rather, they are a class of flexible peptides that can rapidly adopt multiple conformations. IDPs are quite abundant, and their dynamic characteristics provide unique advantages for various biological processes. The field of “unstructured biology” has emerged, in part, because of numerous... Читать дальше...

COVID-19 precautionary practices and associated factors among clients visiting a tertiary hospital, Addis Ababa, Ethiopia

Plos.org 
En

by Hailemichael Bizuneh, Shikur Mohammed, Aman Yesuf

Background

Despite efforts to contain the spread of COVID-19, Addis Ababa, the country’s COVID-19 epicenter, is experiencing a sharp increase in the number of cases and death rate. While poor public adherence to COVID-19 precautionary practices is evident, factors associated with it are not well studied. We aimed to assess the level of practice of COVID-19 precaution and associated factors.

Methods

This was a hospital-based cross-sectional... Читать дальше...



Comparison of risks of arterial thromboembolic events and glaucoma with ranibizumab and aflibercept intravitreous injection: A nationwide population‐based cohort study

Plos.org 
En

by Yin-Hsi Chang, Li-Nien Chien, Wan-Ting Chen, I-Chan Lin

Background

To compare intravitreal aflibercept injection with intravitreal ranibizumab injection for the risk of major arterial thromboembolic events (ATEs) and glaucoma.

Methods

This retrospective, nationwide cohort study investigated 15 611 and 3867 patients aged >50 years with at least one pharmacy claim for intravitreal ranibizumab injection and aflibercept injection between 2011 and 2016, respectively. The inverse... Читать дальше...

Assessment of self-rated health: The relative importance of physiological, mental, and socioeconomic factors

Plos.org 
En

by Dana Hamplová, Jan Klusáček, Tomáš Mráček

Background

The general self-rated health (SRH) question is the most common health measure employed in large population surveys. This study contributes to research on the concurrent validity of SRH using representative data with biomarkers from the Czech Republic, a population not previously used to assess the SRH measure. This work determines the relative contribution of biomedical and social characteristics to an individual’s SRH assessment. Читать дальше...

The diagnostic value of nasal microbiota and clinical parameters in a multi-parametric prediction model to differentiate bacterial versus viral infections in lower respiratory tract infections

Plos.org 
En

by Yunlei Li, Chantal B. van Houten, Stefan A. Boers, Ruud Jansen, Asi Cohen, Dan Engelhard, Robert Kraaij, Saskia D. Hiltemann, Jie Ju, David Fernández, Cristian Mankoc, Eva González, Wouter J. de Waal, Karin M. de Winter-de Groot, Tom F. W. Wolfs, Pieter Meijers, Bart Luijk, Jan Jelrik Oosterheert, Sanjay U. C. Sankatsing, Aik W. J. Bossink, Michal Stein, Adi Klein, Jalal Ashkar, Ellen Bamberger, Isaac Srugo, Majed Odeh, Yaniv Dotan, Olga Boico, Liat Etshtein, Meital Paz, Roy Navon, Tom Friedman, Einav Simon, Tanya M. Читать дальше...

Evaluation method for cell-free in situ tissue-engineered vasculature monitoring: Proof of growth and development in a canine IVC model

Plos.org 
En

by Goki Matsumura, Noriko Isayama, Hideki Sato

We previously developed a non-cell-dependent biodegradable scaffold to create in situ tissue-engineered vasculature (iTEV) and tested it in a canine inferior vena cava (IVC) model. As iTEV features change dramatically during tissue generation, practical, simple, and accurate methods to evaluate iTEV are needed. The present study examined the usefulness of a novel method to evaluate iTEV growth and remodeling according to a simple formula using angiography... Читать дальше...

Новости России
Москва

Москва и Петербург лидируют по уровню зарплат для IT-специалистов


Elephant Rumblings: A’s leading MLB in runs scored

Athletics Nation 
En

Apr 11, 2022; St. Petersburg, Florida, USA; Oakland Athletics shortstop Elvis Andrus (left) is congratulated by catcher Sean Murphy (12) after hitting a three-run home run during the second inning against the Tampa Bay Rays at Tropicana Field.  | Kim Klement-USA TODAY Sports

MLB news roundup

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