Gaoya dianqi, 2007 为检查分级绝缘电压互感器的绝缘缺陷,需要对其进行倍频感应耐压试验。笔者提出了倍频感应耐压试验时试验电压的几种测量方法,对耐压试验中电压互感器的容升电压的产生原因及其对试验的影响进行了分析,对耐压试验的电压持续时间进行了说明,指出耐压试验前后空载试验结果的对比是判断被试电压互感器是否合格的依据。
董国震
doaj
[Evaluation of subjective scale in allergen nasal provocation test]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023 Shen L +7 more
europepmc +1 more source
Gaoya dianqi, 1998 【问】GB110022—89中表2和表3所列的高压试验还有哪些具体规定? 【答】对于短时工频耐受电压 （1）330kV以下的户内设备只作干试验;户外设备作干试验和湿试验,二者耐受电压一样;（2）330kV及以上的户内和户外高压开关设备,仅做干试验;（3）设备的内、外绝缘耐受电压一样;（4）干试验或湿试验,内绝缘或外绝缘试验时间一样,均为1min;（5）如果设备绝缘主要是由固体有机材料制成,则需进行5min的工频耐压试验。如这些绝缘材料是在额定电压下长期工作、而绝缘件在总装前已进行过5min工频耐压试验 ...
靖洪民
doaj
Quality evaluation of the literature on clinical randomized controlled trials of traditional Chinese medicine for treatment of gastric precancerous lesions in the past 20 years. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue Ban, 2023 Zhang Q +5 more
europepmc +1 more source
[Diagnostic value of RART and LDT in determining the affected semicircular canal for the HSC-BPPV]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za ZhiYun Y, Chang H, Yang P, Xing J.
europepmc +1 more source
[Diagnostic significance and considerations of growth hormone stimulation testing and insulin-like growth factor 1 in growth hormone deficiency]. [PDF]
Zhongguo Dang Dai Er Ke Za Zhi, 2023 Li T.
europepmc +1 more source
[Feasibility study of a surgical planning protocol for orthognathic surgery utilizing similarity retrieval from database: A randomized controlled trial]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanYu L, Wu L, Liu X, Li Z.
europepmc +1 more source
[The application value of video head impulse test, caloric test and dizziness handicap inventory in the diagnosis of acoustic neuroma]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2022 Zou S +7 more
europepmc +1 more source
[A comparative study of different methods for treatment switching analysis in clinical trials]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoLiang Z, Xu L, Li K, Yu M, An S.
europepmc +1 more source