Result : The EHF incidence in Jiamusi shows a slow rise tendency.

Methods: Epidemic survey was carried out prevalence of EHF in Three Gorges Reservoir Area.

方法: 对库区主要淹没区万州区段的EHF开展了流行病学调查.

Especially , it is very important for studying over voltage of EHV and UHV transmission line.

其中,高压尤其超、特高压输电线路的过电压研究变得尤为重要.

EHV lines have long distances always cross mountains and are hard to find the fault location.

输电线路距离长、穿山越岭,工作环境极为恶劣,是电力系统中发生故障最多的地方,且故障点难以查找.

By reason of its high reliability, the resonant-type current limiter is suitable for EHV power network.

谐振型限流器具有高可靠性等优点, 适用于超高压电网.

This paper presents a new method for finding the trouble location of EHV transmission lines.

提出了一种电力系统超高压输电线路故障定位的新方法.

The switching surge insulation level ( SIL ) is the dominant factor on EHV systems.

操作冲击绝缘水平 ( SIL ) 对超高压系统来讲是决定性因素.

I ring the production company Transformers'EI transformer'charger.

我公司主要生产环形变压器 ’ EI变压器 ’ 充电器.

The structures of the products were confirmed by IR, 1 H NMR , 13 C NMR, HRMS ( EI + ).

产物结构经IR1 、 HNMR1 、 3CNMR 、 HRMS ( EI+ ) 确证.

The EI screen has just been invoked and has not received any data.

已经调用了EI屏幕,但还没收到任何数据.

Add copper tape to the original transformer. They can reduce the EI type transformer leakage magnet.

原厂的EI变压器 为它加上隔磁环,以减少漏磁.

A prominent M + 2 H peak in EI spectra is a very rare phenomenon.

EI源出现M+2H峰是很罕见的现象.

In this paper EI Mass Spectra of five 7-Piperazing Quinolones were measured.

本文报导了五种7—哌嗪喹诺酮类化合物的EI谱,并讨论了特征碎片离子的裂解规律.

The EI reports these AP states under the conditions that are listed in the following table.

EI会在下表所列的情况下报告这些AP状态.

SCI-Science Citation Index, ISTP-Index to Scientific and Technical Proceedings , EI-Engineering Index.

三系统指“科学引文索引” 、 “科学技术会议录索引”和“工程索引”.

The analysis results of naphthenic acids were obtained by the use of MS and EI techniques.

通过电子轰击(EI)质谱(MS) 分析得到的环烷酸.

Nicaragua, EI Salvador, Ecuador and Argentina: Cheap for travelers carrying the dollar.

尼加拉瓜 、 萨尔瓦多 、 厄瓜多尔和阿根廷: 对携带美金的旅客来说算是便宜.

EI reports this AP stateWhen the AP is ACTIVE & Lead-Activeactively running AP platform software.

EI将报告此AP状态当AP处于ACTIVE & Lead -Active正在 积极地运行AP平台软件.

EIA will be released this week, three week's inventory report recently.

本周三EIA将发布最近一周的库存报告.

HRP has been widely used in enzyme immunoassay ( EIA ).

辣根过氧化物酶(HRP ) 在酶免疫分析中得到广泛应用.

In addition , E 2 in blood were determinated by enzyme immunoassay ( EIA ).

采用酶免疫分析法测定血清雌二醇 ( E2 ) 水平.