In this article, by use of a rotating electromagnetic field (REMF) equipment, a pulse current equipment and a device of solidification experiment matched for the power sources, the effects of REMF, pulse current and (REMF + pulse current) superposed field on the solidification process and solidification microstructure of ZA27 alloy, Al-7wt%Si hypoeutectic alloy and Al-12.
39wt%Si合金为研究对象,围绕旋转电磁场、脉冲电流及(旋转电磁场+脉冲电流)交互场对这些合金的凝固过程和凝固组织的影响进行了实验研究。
Research on Shielding of Low-Resistivity Layer in Prospecting by Transient Electromagnetic Method;
瞬变电磁法勘探中的低阻层屏蔽问题研究
The application of transient electromagnetic exploration on ground in roadway water shut-off
地面瞬变电磁法勘探在巷道堵水中的应用
ground cable EM survey
地面导线电磁勘探法
moving source-receiver method
移动电源-接收器电磁勘探法
Application of TEM on Hydrogeological Exploration in Xinji No.1 Coalmine
瞬变电磁法在新集一矿水文地质勘探中的应用
Application of transient electromagnetic method to the exploration of hydrogeology in coal mine
瞬变电磁法在矿井水文地质勘探中的应用
Abstract: Transient electromagnetic sounding is a prospecting method for accurate exploration developing rapidly recent years.
文摘:瞬变电磁测深是近年来发展较快的电磁勘探方法,是实现精确勘探的一个突破点。
Such storms cause considerable disruption in magnetic prospecting operation.
这种磁暴对磁法勘探产生严重的破坏。
Development and enlightenment of controlled-source electromagnetic (CSEM) surveying method in marine oil/gas exploration.
海洋油气勘探中可控源电磁探测法(CSEM)的发展与启示
Application of Magnetotelluric Sounding to Explorate Petroleum in the Marine Carbonate Distrbution Area of Southern China;
大地电磁测深法在南方海相碳酸盐岩地区油气勘探中的应用研究
The data obtained in electromagnetic prospecting need to be reduced.
从电磁勘探中获得资料需进行整理。
2D numerical study on the effect of conductor between the transmitter and survey area in CSEM exploration
源和勘探区间导电体对有源电磁勘探影响的2D数值模拟研究(英文)
Magnetic techniques are most suitable in the search for iron in this form.
磁法最适用于勘探这类铁矿。
The Application of TEM to Zhuyuan Tunnel
瞬变电磁法在祝源隧道勘察中的应用
TEM is a branch of electro-magnetic method which has been developed fast in recent years.
瞬变电磁法是近年来国内外发展得较快、地质效果较好的一种电法勘探分支方法。
as a matter of fact, the field operation of gravitational methods is similar to that of magnetic method.
实际上,重力法的野外工作程序类似于磁法勘探。
Application of TEM Using GPS Synchronization in Oil and Gas Exploring
GPS同步瞬变电磁系统在油气勘探中的应用
Application of CSEM in prospect for hydrate
海洋电磁技术在天然气水合物勘探中的应用