Results 21 to 30 of about 692,671 (157)
Gaoya dianqi, 2018 同塔多回超/特高压输电线路因其相间距和回间距小而存在较大的感应电压、电流,直接影响线路的检修、运行和接地开关设备的选型。为此,文中以兰州东至乾县的750 kV同塔双回输电线路为例,利用ATP/EMPT电磁暂态仿真软件搭建同塔双回输电线路模型,分析了两回线路之间的水平间距、运行线路长度、地线高度、土壤电阻率以及运行电流对检修线路上产生的感应电压和感应电流的影响,给出了各种典型工况下流过检修人员的人体电流大小。结果表明:检修线路上产生的感应电压、电流与水平间距基本成反比例关系 ...
史志强 +6 more
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500/±800kV交直流同塔混压输电线路对并行油气管道的电磁影响分析
Dianci bileiqi, 2021 为研究交直流混压输电线路对平行敷设油气管道的电磁影响,以500/±800 kV交直流混压同塔架空线路与输油输气管道并列运行为背景,利用电磁暂态仿真软件ATP建立输电线路与油气管道等效时域模型,计算了无限长、有限长管道感应电压,有限长管道的交流电流密度,并分析了交流线路、直流线路对管道感应电压的影响程度。结果表明:感应电压主要由交流输电线路引起;无限长管道与输电线路并列运行部分的感应电压未超过职业人员人体安全电压限值;当平行油气管道两端绝缘悬空时,其感应电压最高可达452.88 V ...
谷泓杰 +4 more
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Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT The healing of diabetic chronic wounds is hindered by multiple pathological barriers, including oxidative stress imbalance induced by hyperglycemia, persistent bacterial infection, and impaired neovascular function. This study developed an F127–HA–BiOCl@CeO2 (FHBC) hydrogel dressing with acoustic responsiveness, achieving tissue repair through
Ran Zhao +8 more
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Gaoya dianqi, 2013 同塔双回输电线路架空地线逐基接地时,架空地线的感应电流和电能损耗是值得关注的问题,目前关于架空地线损耗的定量研究较少。通过对广东某220 kV同塔双回输电线路架空地线感应电流进行了现场实测,使用ATP-EMTP程序对该线路感应电流进行仿真计算,实测值与计算值吻合较好。计算讨论了同塔双回架空线路导线相序排列方式、线路电流大小和线路电流不平衡度对架空地线感应电流和电能损耗的影响。结果表明,架空地线感应电流和线路电流变化呈线性关系,地线电能损耗与线路电流增大呈平方关系 ...
王宇 +5 more
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Journal of Adolescence, Volume 98, Issue 5, Page 1715-1736, July 2026.ABSTRACT Introduction Following rapid iterations in media technologies, Chinese millennials (born between 1980 and 1995) find themselves in a paradoxical state where digital saturation exists alongside fatigue, making them central practitioners of digital minimalist behavior.
Chao Zhang, Yinze Hao, Jingwen Li
wiley +1 more source
, 2021 本发明公开一种高频感应等离子体风洞电子密度及电子温度诊断系统。所述MW级高频感应风洞产生等离子体来流，信号调制及功放单元根据风洞工作状态输出相应频率的扫描电压给探针单元收集带电粒子的电压源，通过独特的三电极探针结合噪声抑制电路将等离子体中的高频噪声及工信干扰噪声消除，所述电流采集单元采集到去噪后的电流信号经过隔离器H1与地线隔离，同扫描电压信号同时被数据处理单元记录并处理得到电子温度和电子密度。本发明消除了MW极高频感应风洞流场中强烈的电磁干扰，同时提出利用可高频扫描的优点 ...
张仕忠 +4 more
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Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Skin‐like wearable electronics have emerged as a transformative technology for next‐generation human–computer interaction, offering unprecedented compatibility with the body's soft, curvilinear surfaces, and dynamic movements. However, the scarcity of intrinsically stretchable material components and the limited coverage of reported sensors ...
Mingxin Zhang +6 more
wiley +1 more source
Integrative Conservation, Volume 5, Issue 2, Page 192-204, June 2026.We developed an effective ex‐situ conservation approach for an endangered orchid species, Dendrobium sinominutiflorum. A compatible fungal strain Tulasnella sp. was obtained by using in‐situ seed baiting technique. The Symbiotic germination with Tulasnella sp. significantly promotes seed germination and seedling growth.
Han‐Xiao Huang +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Additive manufacturing, commonly referred to as three‐dimensional (3D) printing, provides the geometric freedom and multi‐material integration needed to build soft medical robots for minimally invasive interventions, prosthetics, and rehabilitation.
Yao Wang +5 more
wiley +1 more source
Gaoya dianqi, 2006 概括了接地开关开合感应电流的运行工况及同杆双回线路电磁感应与静电感应的产生机理;还对相关的国际、国内标准中对接地开关切合感应电流的试验方法和参数进行了归纳;介绍了中国接地开关开合感应电流的应用现状和产品情况;提出了应重视接地开关开合感应电流的必要性,并按计算结果合理地选择接地开关。
郭贤珊
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