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Новости за 24.01.2022

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Percent framing attenuates the magnitude effect in a preference-matching task of intertemporal choice

Plos.org 
En

by Farid Anvari, Dorina-Diana Verdeș, Davide Marchiori

Research in intertemporal decisions shows that people value future gains less than equivalent but immediate gains by a factor known as the discount rate (i.e., people want a premium for waiting to receive a reward). A robust phenomenon in intertemporal decisions is the finding that the discount rate is larger for small gains than for large gains, termed the magnitude effect. However, the psychological underpinnings of this effect are not yet fully understood. Читать дальше...

Two-phase learning-based 3D deblurring method for digital breast tomosynthesis images

Plos.org 
En

by Yunsu Choi, Minah Han, Hanjoo Jang, Hyunjung Shim, Jongduk Baek

In digital breast tomosynthesis (DBT) systems, projection data are acquired from a limited number of angles. Consequently, the reconstructed images contain severe blurring artifacts that might heavily degrade the DBT image quality and cause difficulties in detecting lesions. In this study, we propose a two-phase learning approach for artifact compensation in a coarse-to-fine manner to mitigate blurring artifacts effectively... Читать дальше...

An estimation and development model of tourism resource values at the township scale on Hainan Island, China

Plos.org 
En

by Tongyan ZHANG, Yingjie WANG, Shengrui ZHANG, Yingying Wang

The scientific evaluation of tourism resources provides the basic conditions for the rational development and utilization of tourism resources, which is significant for the sustainable development of tourism. On the basis of obtaining a large sample of tourism resource data, this study constructed an evaluation index system of regional tourism resources from four aspects: quantity, type, grade, and a combination of regional tourism resources... Читать дальше...



Knowledge, attitude, prevention practice, and associated factors toward COVID-19 among preparatory school students in Southwest Ethiopia, 2021

Plos.org 
En

by Mohammed Yesuf, Mehd Abdu

Introduction

As of February 2021 COVID-19 report in 57 African countries, there were 3,761,512 confirmed cases and 98,088 deaths. Ethiopia reported the highest number of cases in East Africa with a total of 147,092 cases and 2,194 deaths. Over 1.5 billion students from 195 countries across the world separated from school as a consequence of the closure of schools related to the pandemic. This study aimed to determine the level of knowledge, attitude, prevention practices... Читать дальше...

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Москва

ЦСКА победил "Краснодар" и выиграл Суперкубок России по футболу


Isolation, characterization and application of bacteriophage PSDA-2 against Salmonella Typhimurium in chilled mutton

Plos.org 
En

by Ziyu Sun, Mandlaa, Hui Wen, Li Ma, Zhongjun Chen

Salmonella is a common foodborne pathogen, especially in meat and meat products. Lytic phages are promising alternatives to conventional methods for Salmonella biocontrol in food and food processing. In this study, a virulent bacteriophage (PSDA-2) against Salmonella enterica serovar Typhimurium was isolated from the sewage and it was found that PSDA-2 belongs to Cornellvirus genus of Siphoviridae family by morphological and phylogenetic analysis. Читать дальше...

Rhythmic contraction but arrhythmic distension of esophageal peristaltic reflex in patients with dysphagia

Plos.org 
En

by Kazumasa Muta, Ravinder K. Mittal, Ali Zifan

Background

Reason for dysphagia in a significant number of patients remains unclear even after a thorough workup. Each swallow induces esophageal distension followed by contraction of the esophagus, both of which move sequentially along the esophagus. Manometry technique and current system of classifying esophageal motility disorders (Chicago Classification) is based on the analysis of the contraction phase of peristalsis.

Goal

Whether... Читать дальше...

Biocompatible micro tweezers for 3D hydrogel organoid array mechanical characterization

Plos.org 
En

by Soliman Alhudaithy, Kazunori Hoshino

This study presents novel biocompatible Polydimethylsiloxane (PDMS)-based micromechanical tweezers (μTweezers) capable of the stiffness characterization and manipulation of hydrogel-based organoids. The system showed great potential for complementing established mechanical characterization methods such as Atomic Force Microscopy (AFM), parallel plate compression (PPC), and nanoindentation, while significantly reducing the volume of valuable hydrogels used for testing. Читать дальше...

Association between COVID-19 pandemic and the suicide rates in Nepal

Plos.org 
En

by Binod Acharya, Keshab Subedi, Pramod Acharya, Shweta Ghimire

Background

Past works have linked the COVID-19 pandemic and subsequent public health responses such as isolation, quarantine, and lockdown to increased anxiety, sleep disorders, depressive symptoms, and suicidal ideation. Only a few studies, mostly carried out in high-income countries, have investigated the association between the pandemic and suicide rate. We seek to investigate the changes in the monthly suicide rates during the COVID-19 pandemic in Nepal... Читать дальше...


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