Results 41 to 50 of about 34,242 (171)

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

Millimeter/Nano‐Structured Metal Monolithic Catalysts: A Privileged Opportunity for Sustainable Water Purification

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Cross‐scale assembly of metal (sub) nanoparticles and/or single atoms into millimeter/nanostructured metal monolithic catalysts (Min‐SMCs) is highly appealing for sustainable water cleanup, due to energy‐efficient catalyst recyclability, high infrastructure compatibility, and low metal‐releasing risks.
Jia‐Cheng E. Yang   +4 more
wiley   +1 more source

基于模拟负载法±800kV换流阀多重阀绝缘试验技术研究

open access: yesGaoya dianqi, 2012
针对±800 kV换流阀多重阀绝缘试验因试验回路尺寸大、试验电压高等造成试验实施难度很大的问题,笔者通过采用等效模拟负载模拟部分阀段,试验研究了±800 kV换流阀多重阀的直流电压试验技术、雷电冲击试验技术、操作冲击试验技术。研究表明,此种试验方法是可行的。
张小勇   +7 more
doaj  

煤矿高地应力软岩巷道支护技术现场试验研究

open access: yes工程技术研究, 2020
通过测试所得到的结果显示,使用耦合支护以及找到关键的部位来进行支护是非常有必要的一项任务。这也在另一个角度上进行了一个非常有效的控制手段。对此,论文针对煤矿高地应力软岩巷道支护技术现场试验进行一系列的分析。
晓雷 陈
semanticscholar   +1 more source

Enhancement of Corrosion and Wear Resistance in Polymeric Coatings via Ce(III)‐Functionalized Ternary ZnAlCe Layered Double Hydroxides Intercalated With EDTMP

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT The intricate corrosion environment necessitates the polymeric coating's adaptability to the surroundings. In this work, the integration of rare‐earth Ce(III) ions and ethylene diamine tetramethylene phosphonic acid (EDTMP) in a layered double hydroxide (LDH) material is developed to enhance the corrosion protection and anti‐wear properties of
Yangu Liu   +9 more
wiley   +1 more source

西德高压大容量输变电研究所及三个电瓷制造厂简况

open access: yesDianci bileiqi, 1984
1984年5月,我们利用在西德参加IECTC36、SC36B、SC36C的机会,参观了一个研究所和三个电瓷厂,现简介如下,以供同行参考.一、高压大容量输变电研究所(FGH)该研究所位于西德的Mannheim.它重点研究交直流输变电,有大电流试验室、高压试验室、电工试验室、绝缘子部 ...
蔡国材, 周义华
doaj  

Changing trends in prenatal screening and treatment of cytomegalovirus infection in France: 7‐year national cohort study (2017–2023)

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 6, Page 756-763, June 2026.
ABSTRACT Objectives Cytomegalovirus (CMV) is the leading cause of congenital infectious neurosensory impairment. We aimed to present national epidemiological data on maternal CMV infection during pregnancy in France, focusing in particular on primary infection in the periconceptional period or first trimester, and to assess the impact of changes in ...
P. Coste‐Mazeau   +176 more
wiley   +1 more source

绝缘子放电声发射识别的试验研究

open access: yesGaoya dianqi, 2005
提出了声发射法检测绝缘子放电的方案,试验研究了该方案的可行性及不同放电形式的识别问题。具体内容包括试验装置、试验方法和试验结果,在大量试验的基础上,分别研究和总结了绝缘子内部放电、表面污秽放电和电晕放电时声发射波的特征,研究了声发射检测中的干扰和抗干扰措施。
王成江   +4 more
doaj  

Prospective comparison of diagnostic accuracy of ultrasound, PET/CT and DW‐MRI for preoperative assessment of pelvic lymph nodes in cervical cancer patients: results of the CANNES trial

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 6, Page 836-851, June 2026.
ABSTRACT Objective To determine whether ultrasound is non‐inferior to positron‐emission tomography/computed tomography (PET/CT) and diffusion‐weighted magnetic resonance imaging (DW‐MRI) in terms of overall diagnostic accuracy for the preoperative assessment of pelvic lymph‐node status in cervical cancer.
F. Frühauf   +14 more
wiley   +1 more source

正交试验设计及其在电厂化学中的应用

open access: yesGongye shui chuli, 2002
在火力发电厂化学的生产和科研中, 为了改革旧工艺和试验新方法, 经常要做许多多因素试验。如何安排多因素试验, 是一个值得研究的问题。正交试验设计是研究和处理多因素试验的一种科学方法, 已在火力发电厂化学中获得了有效的应用。文中结合国内外的有关资料及作者在试验设计中的一点体会, 论述了正交试验设计的原理和方法, 以及其在电厂化学研究中应用的诸多方面, 并指出了目前应用中存在的不足和解决方法。
李建华, 潘娟琴
doaj  

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