Dr Cohen Kadosh, a neuroscientist, is using a high-tech system called transcranial direct current stimulation ( tDCS) to stimulate precise regions of my brain with a tiny buzz of electric current. 神经学家科恩。卡多什博士正在用一种称作直达式多普勒激发系统来发射微弱的电流,以此刺激我们大脑中主管精细思维的区域。
When light strikes the active area of a solar cell, electrons start flowing, and a direct electric current is produced. 当光正面打到太阳能电池上,电子开始流动,并直接形成电流。
Used in all kinds of direct current, impulse, high frequency and heavy current occasions, widely used in electric appliance that require high frequency, heavy current and high stability. 各种直流,脉动,高频较大电流场合,广泛应用于要求高频率,高电流,高稳定性的电器。
An electrical device for changing stored chemical energy into direct electric current. 将储蓄的化学能转变为直流电的电气装置。
The quality of the anode has direct influence on the density and efficiency of the electric current in the cell. 阳极质量直接影响阳极电流密度的提高及电解系列强化电流;
The switch of the direct current stepless speed regulation is widely used in the electrician switch. The pistol electric drill direct current stepless speed regulation switch belongs to example. 直流无级调速开关在电工开关中有着广泛的应用,手枪电钻的直流无级调速开关便是其中一例。
The effect of electric field ( direct current electric field and alternate current electric field) on the solidified structure of Al-Cu and Al-Si eutectic alloys is studied, mechanism of the solidifying behavior of Al-Cu and Al-Si eutectic alloys under electric field is discussed. 本文研究了连续电场(包括直流电场和交流电场两种形式)分别对Al-Cu、Al-Si共晶合金凝固组织的影响,探讨了电场改变Al-Cu、Al-Si合金凝固行为的机理。
This paper introduces the application of microcomputer in test of the direct current leakage of electric system, and long time monitor state of the current leakage and the insulation resistance if it was changed, and fundamental principles of the monitor. 本文介绍了单片机在电力直流漏电流检测中的应用,以及对其直流接地、绝缘老化的在线监测状态和监测仪的基本原理。
The ER fluid produces higher yield stress ( τ s) and smaller current density ( I) upon application of direct current electric field than that of alternative current electric field. ER液在直流电场比在有效值相同的交流电场作用下产生的τs大,电流密度(i)小;
The direct electric and pulse current has well effect of modification and inoculation on the metal solidification structure. 直流电流和脉冲电流对金属的凝固过程及其凝固组织具有良好的孕育和变质作用。
The real-like 2D FEM Modeling Research on the field characteristics of direct electric current field 稳定电流场有限元法模拟研究
For the current in the ionization chamber is not amplified, so it is hard to collect the electric signal, in this paper, a direct I/ F convertor is used to convert the electric current signal into frequent signal. 由于电离室本身不对电流放大,因此信号的采集较为困难,本文另外介绍了用I/F直接变换的电路以达到信号的转换。
Under existing conditions, electric field is divided into direct current electric field and pulse electric field, magnetic field is divided into direct current magnetic field, alternating magnetic field and pulsed magnetic field. 在现有条件下,电场主要分为直流电场和脉冲电场,磁场分为直流磁场、交变磁场和脉冲磁场。