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1)  Extremely low frequency electromagnetic field
极低频率电磁场
1.
【Objective】 With the quick development of science and technology, and increasing used with communication tools, people live in an environment surrounding with magnetic fields, most of them are extremely low frequency electromagnetic fields(ELF-EMF).
【目的】 随着科学技术、电力工业设施和通讯工具的迅猛发展,人类日益生活在一个充满磁场的环境中,其中大多数为极低频率电磁场
2)  extremely low frequency electromagnetic fields
极低频电磁场
1.
A review of cellular and molecular biological studies on the bioeffects of Extremely low frequency electromagnetic fields;
极低频电磁场生物学效应的细胞和分子生物学研究进展
3)  Extremely low frequency electromagnetic field
极低频电磁场
1.
Then, we present the research results for the effects of Extremely Low Frequency Electromagnetic Field (ELF-EMF), in which the influences on the indexes of hemorheology, the levels of blood lipid, property of vasodilatation function are gave.
本文首先介绍了电磁场生物效应的研究进展,然后通过建立动物模型,进一步检测血液流变学、血脂以及血管功能等指标,重点研究极低频电磁场对高脂血症动脉粥样硬化的预防作用,以期为心血管疾病的预防和治疗提供新的思路和理论依据。
2.
The extremely low frequency electromagnetic fields (ELFEMF) were very related to human s health and living environment and its biological effects were more and more interested to scientists.
极低频电磁场(ELFEMF)与人类的生存环境及健康密切相关,其生物学效应也倍受关注。
4)  extremely low frequency magnetic field
极低频磁场
5)  ELF pulsed electromagnetic fields
极低频脉冲电磁场
6)  low-frequency electromagnetic field
低频电磁场
1.
Investigates experimentally and comparatively the as-cast microstructure and Cu macrosegregation of 2024 Al alloy ingots by HDC(horizontal direct chill) continuous casting process in low-frequency electromagnetic field and those by conventional horizontal continuous casting process,where the cross-sectional area of specimens is 40 mm×200 mm.
实验结果表明,低频电磁场可以显著地改善铸锭的微观组织,使铸锭的微观组织得到明显细化;低频电磁场还可以减少Cu元素在横截面上的宏观偏析,使Cu元素在横截面上的分布更加均匀。
2.
This paper provides a convergence analysis of finite element methods for the low-frequency electromagnetic fields in multi-media based on an A-φ scheme.
文中提出了求解多媒质中低频电磁场的一个全离散耦合A-φ方法。
3.
The results show that the low-frequency electromagnetic field effects on the formation of the CaCO3 grain by accelerating nucleation and suppressing crystal growth for scale inhibition.
文章利用电导率和钙离子浓度的变化研究了低频电磁场对碳酸钙结晶的影响,并分析了碳酸钙结晶体的微观结构。
补充资料:变电所快速暂态电磁场


变电所快速暂态电磁场
fast transient electro-magnetic fields in substations

  变电所中快速暂态电磁场强度由于开关操作暂态过程受多种因素影响.因此变电所中实际测t得到的场强数值分散性较大。不同电压等级变电所,用不同型式开关,实测得到的电场强度可达数十千伏/米(kV/m).磁场强度可达数百安培/米(A/m).美国对变电所中操作暂态电磁场的实测工作做的较多。作为一个例子,下表列出了美国电力研究院(EPRI)在115kV、250 kV、500 kV变电所中的实测结果。常规变电所内测点在母线下方地面,操作是断开一段短母线,一川纵潮洲娜朋洲川一0 0 0 0 0 00411:1l)即10 010加 ︵任守︸侧欲典匆 6 .0臼.《】火l()《a)T(5、留一。·““nlj 0 50几00 .,0.1 10 (任/A艺侧蔽2.()魂.硬)丫﹂)()口匕t卜卜片卜f乙仁0 t 0 0 0 0 005 .....-卜闭40加020化 (‘/V)侧旧要翻,::.:: l二‘.1.吐吐.吐2.《)4.(】6 .0划) 了卜卜┌────┬──────┐│ 一一J │八L,‘一’ ││习 ├──────┤│一一.1 │{犷V一· │└────┴──────┘0﹃-j门1 96,JD.任1 9 tl滩n乙oq乙 ︵三z淤巴侧翻要御 (一。一‘)洲.‘}12‘)一6(,义1‘,一‘, 喊d)T(5) 500 kV变电所内断开隔离开关时 的地面电场和磁场(a)GIS磁场;(b)GIS电场;(e)AIS滋场;(d)AIS电场b一and一onsuo kuolsu zonto一d一onelehong变电所快速暂态电磁场(fast transient elec-tromagnetie fields in substations)变电所中隔离开关切、合短母线时的暂态过程产生的电磁场。高压隔离开关操作时,触头间产生一系列电弧过程。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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