Results 21 to 30 of about 8,983 (118)
Gaoya dianqi, 2011 笔者回顾了可靠性研究的发展历程并总结了其研究现状,介绍了产品可靠性研究的基本概念及常用的可靠性指标,系统分析了时代背景和中国社会经济发展对电力产品提出的新要求,结合目前中国电网的发展趋势、智能电网建设的需求及电网电力部门的管理模式变化等时代信息,阐明了进行电力产品可靠性研究的契机和广阔发展空间。在此基础上结合对电力产品开展全寿命周期管理进行了分析和讨论,阐述了对电力产品进行可靠性研究的重要性、必要性和迫切性。
武星, 殷晓刚, 魏泉, 成勇
doaj
Hydrocortisone Aceponate for Chronic Otitis: Long‐Term Efficacy
Veterinary Dermatology, Volume 36, Issue 6, Page 870-878, December 2025.Effective management of otitis externa (OE) requires addressing all contributing factors to prevent chronicity and recurrence. Evidence on the long‐term efficacy of topical corticosteroids in preventing recurrence and secondary infections remains limited. This retrospective noncontrolled study evaluated the efficacy of hydrocortisone aceponate (HCA) in
C. Lorente‐Méndez, D. Alonso‐Miguel
wiley +1 more source
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 5, Page 582-588, November 2025.ABSTRACT Objective The corpus callosum (CC) is an interhemispheric structure that facilitates communication between the two cerebral hemispheres. Anomalies of the CC are frequent and associated with a wide spectrum of altered neurodevelopmental outcomes.
R. Corroenne +55 more
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World Water Policy, Volume 11, Issue 4, Page 1048-1064, November 2025.ABSTRACT Groundwater governance is complex due to several externalities associated with groundwater being an invisible natural resource tied to the land with millions of extractors and limited means of exclusion. The paper traces the evolution of groundwater irrigation in India and the corresponding change in groundwater laws and policies to address ...
Anindita Sarkar, Amrita Sarkar
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Guangtongxin yanjiu, 1994 光纤通信的回顾与展望赵梓森（武汉邮电科学研究院）回顾·Ｃ．Ｋ．Ｋａｏ提出光纤通信是通信技术的重大革命１９６６年英籍华人（现美籍）高银在ＩＥＥＥ杂志上发表论文“光频介质表面波导”一文，提出光纤通信的可能性。其主要成就：（１）用石英制作光纤衰减可达２０ｄ...
赵梓森
doaj
Rare Metals, Volume 44, Issue 11, Page 8161-8197, November 2025.Graphical abstract AbstractThe studies on the synthesis of two‐dimensional (2D) Janus materials have made significant progress over the years. They offer new opportunities to increase the potential usage of Janus transition metal dichalcogenide (TMDC) materials in different application areas due to their unique structural, electrical, optical and ...
Ayça Coşkun +9 more
wiley +1 more source
Jianzhu Gangjiegou Jinzhan, 2006 回顾与总结了钢结构高强度螺栓端板连接在常温及火灾下的性能与设计研究的现状与进展,包括连接分类、试验、简化方法承载力与初始抗弯刚度计算、设计方法、有限元分析、以及连接弯矩-转角曲线数学模型化等方面的研究。本文是第二部分。
楼国彪, 李国强, 雷青
doaj
Review of Policy Research, Volume 42, Issue 6, Page 1509-1524, November 2025.ABSTRACT This paper provides a retrospective on California's oversight of 1,3‐dichloropropene (1,3‐D). It utilizes archival documents, including internal memos, emails, and risk assessments, to demonstrate how the state's Department of Pesticide Regulation consistently expanded allowable 1,3‐D use while presenting each policy change as scientifically ...
Kaitlyn Alvarez Noli
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Jianzhu Gangjiegou Jinzhan, 2006 回顾与总结了钢结构高强度螺栓端板连接在常温及火灾下的性能与设计研究的现状与进展,包括连接分类、试验、简化方法承载力与初始抗弯刚度计算、设计方法、有限元分析、以及连接弯矩-转角曲线数学模型化等方面的研究。本文是第一部分。
楼国彪, 李国强, 雷青
doaj
Impact of race‐based customization on detection of fetal growth restriction
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 4, Page 480-485, October 2025.ABSTRACT Objective Fetal growth standards determine which fetuses are diagnosed with fetal growth restriction (FGR) and become candidates for enhanced fetal monitoring. Given the existence of race‐based differences in fetal and neonatal weights, we sought to determine the impact of race‐based customization of fetal growth curves on the antenatal ...
P. Ramesh, L. Lemon, J. C. Larkin
wiley +1 more source