Results 31 to 40 of about 21,197 (117)

Interventions to Reduce Child Poverty and Its Determinants: A Rapid Overview of Reviews

open access: yesPoverty &Public Policy, Volume 18, Issue 2, June 2026.
ABSTRACT Despite evidence for various child poverty reduction strategies, there is ambiguity regarding the most effective types to inform policy. Thus, we conducted an overview of reviews to systematically identify, appraise, and synthesize interventions for reducing childhood poverty in high‐income country settings.
Omar Dewidar   +9 more
wiley   +1 more source

Dehydrogenation Thermodynamic and Kinetic Challenges of Mg‐Ni‐Based Alloy Hydrides

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Solid‐state hydrogen storage stands as a pivotal, safe, and efficient solution for the future hydrogen economy. Among diverse hydrogen storage systems, Mg‐Ni‐based alloy hydrides are recognized as cornerstone materials. However, their practical application is hindered by two core challenges: the high thermodynamic stability of the hydride ...
Jinglan He   +6 more
wiley   +1 more source

心脏肌钙蛋白Ⅰ:心肌损伤的敏感性和特异性指标

open access: yesZhongguo shiyan zhenduanxue, 1998
心脏肌钙蛋白I:心肌损伤的敏感性和特异性指标朱玉胜综述吕元审校心脏肌钙蛋白I(cTnI)是一项新的心肌损伤的特异性和敏感性指标。本文仅就cTnI在心肌损伤时的变化进行综述,并与CK-MB、肌红蛋白、肌钙蛋白T进行比较。1995年美国FDA批准cTnI...
朱玉胜
doaj  

触头材料性质对真空开关截流水平的影响

open access: yesGaoya dianqi, 1993
综述了截流产生机理,讨论了触头材料的各种参数对真空开关截流水平的影响,论述了三类真空触头材料的截流特性。
李震彪, 邹积岩, 程礼椿
doaj  

光纤光栅激光器

open access: yesGuangtongxin yanjiu, 2000
概述了光纤光栅激光器的特点及其作为光通信系统中的光源所具有的优点 ,综述了单波长、多波长光纤光栅激光器的发展情况 ...
宁提纲, 张劲松, 裴丽, 简水生
doaj  

臭氧消毒研究进展及对新型冠状病毒的灭活启示

open access: yesGongye shui chuli, 2021
新型冠状病毒肺炎(COVID-19)疫情给人类社会造成了巨大威胁,新型冠状病毒(SARS-CoV-2)在不同环境介质中稳定性的差异,使如何高效杀灭SARS-CoV-2成为关注的重要问题。在综述臭氧及其协同技术在病原体灭活中应用的基础上,探讨了臭氧氧化技术在SARS-CoV-2灭活中的应用可行性,重点阐述了该类技术对于病毒的灭活行为及机理。该综述可为臭氧氧化技术应用于水中新冠病毒灭活及其在不同媒介中的次生传播阻断提供参考。
冀豪栋, 孙丰宾, 赖波, 刘文
doaj  

F—C柜结构综述

open access: yesGaoya dianqi, 1996
介绍了F—C柜的结构、特点,并对其进行了分析和比较。
何利利, 吴玉文
doaj  

Enhancing the impact of literature reviews: guidelines for making meaningful contributions [PDF]

open access: yesSpanish Journal of Marketing-ESIC
Purpose – Most papers and books on conducting literature reviews primarily emphasize achieving technical quality, ensuring reproducibility and validating results. Notwithstanding the need for technical excellence, there is also a need for relevance.
Allard van Riel, Hannah Snyder
doaj   +1 more source

ADSL接入技术综述

open access: yesGuangtongxin yanjiu, 2000
首先介绍了 ADSL的体系结构、接口、协议、标准、调制方式等技术 ;然后分析了国外一些公司 ADSL芯片组的功能和特点 ;最后介绍了 Alcatel Telecom的 ADSL的接入设备。
毛靖茹, 卢正鼎
doaj  

微进给机构综述

open access: yesJixie chuandong, 1999
目前常见的微进给机构是利用弹性变形、直线电机、机械传动、电磁铁和智能材料实现微进给的,本文对这几种微进给机构的结构、原理、特点和应用进行了介绍和比较。
刘建琴, 张策, 王玉新, 韩玥
doaj  

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