1) ULF electric field
超低频电场
1.
2 days ago, anomalies of Ti and ULF electric field were recorded when DEMETER satellite of France flew above this epicentral area.
9级地震,震前2天法国DEMETER卫星飞过震中上空时记录到离子温度(Ti)和超低频电场异常。
2) extremely low-frequency magnetic fields
超低频电磁场
3) low-frequency current field
低频电场
1.
Objective: To acquire three-dimensional reconstruction of right ventricular endocardium with low-frequency current field and to validate the accuracy of registration of the three-dimensional navigation and positioning system in vitro and in vivo respectively.
目的:基于低频电场方式对右心室进行三维重建,并对系统导航定位精度分别在体外和体内进行验证。
4) 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。
5) low frequency electromagnetic field
低频电磁场
1.
The influence of low frequency electromagnetic field on ingot surface quality and as-cast microstructure in horizontal direct chill (HDC) casting process were investigated experimentally.
采用实验的方法研究了低频电磁场对水平半连续铸造铝合金的表面质量及铸态组织的影响·将使用传统水平半连续铸造生产出的铸锭与低频电磁水平半连续铸造生产的铸锭进行了比较·研究结果表明,低频电磁场可有效地减少铸锭的表面缺陷并显著改善铸锭的微观组织·此外,提高磁场的强度或适当降低磁场的频率均有利于对铸锭质量的改善·实验所采用的安匝数及频率范围中,最优的条件分别为10000,30Hz
2.
The distributions of electromagnetic fields with different intensities and frequencies in melt in electromagnetic HDC casting process were examined by numerical prediction, and the influences of low frequency electromagnetic field with different conditions on macrosegregation in HDC casting process were investigated experimentally.
研究结果表明:在传统水平半连续铸造工艺条件下,铸锭中易出现较严重的负偏析及重力偏析;然而,在低频电磁水平半连续铸造过程中,低频电磁场的存在明显削弱了铸锭中的宏观偏析。
6) Low frequency current field
低频电流场
补充资料：超超
1.谓超然出尘。 2.高高在上貌。 3.犹绰绰。 4.见"超超玄箸"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条