Results 41 to 50 of about 1,017,805 (150)
《高压电器》创刊于1958年11月,至今已整整二十五年了。《高压电器》的前身,是由沈阳高压开关厂和当时的西安开关整流器厂合办的作为全国高压开关行业技术情报刊物的《高压开关技术报导》。1959年6月,一机部高压电器研究所成立后,经编委会会议决定:《高压开关技术报导》改名为《高压电器 ...
《高压电器》编辑部
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Ultra-high Pressure Processing Could Be Used to Alter Properties of Emulsion-type Sausages with Reduced-fat(应用超高压技术改善降脂乳化肠的滴水损失) [PDF]
Effects of high pressure processing (HPP), including high pressure and high pressure treatment time, on the drip loss of sausages with reduced-fat were investigated.
YANG Huijuan(杨慧娟) +2 more
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ABSTRACT Conventional lithium‐ion battery cathodes predominantly rely on reversible lithium intercalation in bulk, which inevitably induces phase transitions, transition metal migration, and voltage decay. Electrolytic anion adsorption pseudocapacitance provides a chance for bypassing these issues via a surface‐dominated reaction, especially in ...
Hongjin Ren +10 more
wiley +1 more source
ABSTRACT Solar‐blind ultraviolet (UV) photodetectors (SBPDs) play a critical role in applications including UV communication and fire warning systems. Gallium oxide (Ga2O3) has emerged as a promising material due to its wide bandgap and low cost, but suffers from high dark current and slow response speed caused by oxygen vacancy (VO) defects. This work
Yuhao Lin +14 more
wiley +1 more source
目的通过监测高血压合并冠心病老年患者24 h动态血压,分析相关参数变化的临床意义,为临床治疗提供诊断依据。方法将试验对象分为三组:高血压合并冠心病组,86例;单纯性高血压组,127例;正常对照组,83例。应用无创动态血压监测系统记录动态血压及相关参数,并作对照分析。结果高血压合并冠心病组收缩压和舒张压比单纯性高血压患者高 ...
周智, 吴燕华, 周航
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ABSTRACT To meet the escalating demand for high‐performance LiCoO2 (LCO) cathodes, elevating the charging cut‐off voltage becomes highly imperative to achieve markedly enhanced specific capacities. However, high‐voltage operation is always accompanied by structural instability, notably deleterious bulk phase transitions and severe interfacial ...
Jiawei Mu +7 more
wiley +1 more source
本发明公开一种高压自动泄压系统,该系统包括:压力变送器;通过压力变送器与压力容器相连的压力显示仪表;接收压力显示仪表的反馈信号的取反电路;能对取反电路的输出进行强控制的开光电路;接收取反电路信号的驱动电路;输入端接驱动电路,导通后能对压力容器泄压的电(气)动阀门。本发明通过压力容器内的压力变化来控制阀门的开关,起到一旦压力容器超过设定压力,就自动泄压的作用。并且可以用到其他需要高压自动泄压的装置。还具有结构紧凑小巧,费用低廉,安全可靠 ...
唐书凯 +8 more
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近年来,为了适应电力系统向超高压及特高压方向发展,地下变电站的发展,以及高压电器简化结构,提高技术经济指标和运行可靠性的要求,各国十分重视高压试验研究。其研究内容多偏重于以下几个方面:超高压电力系统中内过电压的研究;在操作过电压作用下绝缘特性的研究;1000仟伏以上交流高压输电及相应的高压电器绝缘结构的技术探索;在操作过电压作用下避雷器放电特性的研究;高压电力系统及共电器设备绝缘配合的研究 ...
史文科
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Divergent Electrochemical Behaviors of O2 and O3 Phases in Li‐Rich Layered Oxides
ABSTRACT Lithium‐ion batteries (LIBs) have dominated the landscape of electrochemical energy storage for decades. The growing market demands for higher energy densities are pushing against the limitations of conventional cathode materials. Li‐rich layered oxides (LLOs) present a promising path forward by harnessing both cationic and anionic redox ...
Juncheng Huang +9 more
wiley +1 more source
目的测定老年高血压患者立位、坐位和卧位不同体位血压的变化及餐后血压的变化。方法本实验随机抽取2009年1月-2010年6月新疆医科大学第五附属医院门诊或住院60岁以上110例老年高血压患者1、05例老年非高血压患者1、02例中年高血压患者,采用台式水银血压计柯氏音听诊法,测定卧位、坐位、立位血压,同时监测靶器官损害的发生率进行分析。结果老年高血压组立位收缩压及舒张压显著下降,与坐位、卧位比较有显著性差异(P0.01);老年非高血压组立位收缩压及舒张压显著下降,与坐位、卧位比较有显著性差异(P0.05 ...
窦媛媛, 徐新娟, 罗梅
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