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In the present study, the operation performance of an ultralow-temperature cascade refrigeration freezer is experimentally researched. The natural refrigerants R290-R170 are adopted as high-temperature and low-temperature fluids. The experimental test is conducted in a type laboratory with a dry bulb temperature of 32.0 °C and a wet bulb temperature of 26.5 °C. Different state monitors are set to

BACKGROUND: There is rapid growth of older people in Low- and Middle- Income Countries (LMICs). The aim of this review was to assess the literature on prevalence of anxiety and depression in this demographic, which to our knowledge, has not yet been conducted.METHODS: Databases including Medline, PsychInfo, Embase, Scielo and African Journals Online were searched for terms including "mental disord

This article takes a critical view of online activism as its point of departure and explores how the activities of Cambodian youth on Facebook have spilled over into formal politics. Contrary to concerns that Facebook and other social media tools distract activists from more effective means of political participation, this article suggests that facebooking has contributed positively to offline pol

INTRODUCTION: Since 2006, one hospital has offered two clinical courses in obstetrics/gynaecology and paediatrics to international (I) students. However, as I-student enrolment increased, the hospital faced cut-backs. As from 2010, I-team course evaluations therefore dropped to unacceptable levels and more I- than Danish (DK) students failed exams. Therefore, in 2012 we started a three-year intern

The presenters describe validation studies for a performance-based EAP certification test, the Test of Oral English Proficiency for Academic Staff (TOEPAS), designed to assess lecturers' oral proficiency for coping with the demands of English-medium instruction (EMI). Updated TOEPAS assessment criteria and a new global assessment scale will also be presented.

BackgroundFrom 2012–2015, the Departments of Obstetrics and Gynecology and of Pediatrics at the University of Copenhagen conducted a project, “Internationalization at Home ”, offering clinical teaching in English. The project allowed international students to work with Danish speaking students in a clinical setting. Using semi-quantitative questionnaires to 89 clinicians about use of English and n

BACKGROUND: Infancy perfluoroalkyl substances (PFAS) exposure from breastfeeding is partially determined by the transfer efficiencies (TEs) of PFAS from maternal serum into breast milk. However, to our knowledge there are no studies of such TEs in highly exposed populations. OBJECTIVES: We estimated the TEs of PFAS from maternal serum into colostrum and breast milk in a cohort of women with a wide

Purpose We determined the characteristics of Chinese men undergoing initial prostate biopsy and evaluated the relationship between prostate specific antigen levels and prostate cancer/high grade prostate cancer detection in a large Chinese multicenter cohort. Materials and Methods This retrospective study included 13,904 urology outpatients who had undergone biopsy for the indications of prostate

Background. A better assessment of individualized prostate cancer (PrCa) risk is needed to improve screening. The use of the prostate-specific antigen (PSA) level for screening in the general population has limitations and is not currently advocated. Approximately 100 common single nucleotide polymorphisms (SNPs) have been identified that are associated with the risk of developing PrCa. The PROFIL

Two large-scale randomized screening trials, the Prostate, Lung, Colorectal and Ovary (PLCO) cancer trial in the USA and the European Randomized Screening for Prostate Cancer (ERSPC) trial in Europe are currently under way, aimed at assessing whether screening reduces prostate cancer mortality. Up to the end of 1998, 102,691 men have been randomized to the intervention arm and 115,322 to the contr