本实验观察到的整体效应为由于基电流降低和动作电位阈值下降而表现出的兴奋性增加。
The overall effect in current clamp experiments was an increase in excitability as indicated by decreased rheobase and lower action potential threshold.
根据不同电流等级及不同触头闭合压力,对银基触头材料裂纹类型及形成机理进行了分析研究。
The study on crack types and their formation mechanisms of silver based contact materials are carried out according to the various currents and various contact closed forces.
利用短时矩形脉冲电流对近零磁致伸缩系数钴基非晶态合金带进行退火处理,得到约114%的巨磁阻抗变化率。
The GMI ratio of about 114 % is obtained in near zero-magnetostrictive Co-based amorphous alloy ribbon annealed by short time rectangular pulse current.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
采用三角矢量面元(rwg)基函数,模拟电流分布。
The triangle vector basis function (RWG) is employed to simulate the current distribution.
介绍了高分子基PTC过电流保护元件的动作原理、安装方式、性能特点,影响因素及其应用。
The trip principle, mounting methods, element characteristics and influencing factors, and applications of PTC overcurrent protectors based on polymer were introduced in this paper.
用X射线衍射(XRD)、透射电子显微镜(TEM)等技术研究了PAN基碳纤维在单电流脉冲作用下的结构变化。
The structural change of PAN based carbon fibre by an electric current pulse was studied by means of X-ray diffraction(XRD) and transmission electron microscopy(TEM).
利用钴基非晶薄带环形磁芯的巨磁阻抗效应研制了新型非接触电流传感器。
The novel non-contact type current sensor based on giant magneto-impedance (GMI) effect in Co-based amorphous ribbon toroidal core was studied.
采用非线性反馈控制电流内环,用RBF(径向基函数)神经网络设计了神经网络控制器控制输出电压外环。
Employing a RBF (radical basis function) neural network, a neural network controller is proposed for the output voltage control of the Buck - Boost converter.
重点介绍了阴极保护的具体做法,一种是以钛基阳极作为辅助阳极的外加电流法,另一种是采用锌板阳极的牺牲阳极法。
Specific cathodic protection methods, including titanium based anode for impressed current system and Zn sheet anode for sacrificial anode system, are introduced.
本文主要研究银基触头材料对称配对和非对称配对时直流小电流下触头在分断和接通过程中的材料转移机理。
This paper focuses on the mechanism of the material transfer with symmetrically-pairing and asymmetrically-pairing contacts made of silver-base materials at make and at break of electric contacts.
系统地研究了磁场强度H和焊接电流I对钴基堆焊合金堆焊层硬度和耐磨性的影响,发现当磁场强度H和焊接参数相匹配时,焊缝组织才能获得最佳的细化效果。
This paper discussed the influence of the magnetic field intensity H and welding current I on the hardness and the wear resistance of the Co-based alloys surfacing lager.
摘要目的:揭示氧自由基导致跨膜电位变化的离子电流基础。
AIM: To reveal ionic current basis of the change of transmembrane potential induced by oxygen free radical.
具有脉冲焊接功能,其脉冲电流、时间和基值电流、基值时间分别可调,用户可以选择最佳的参数配合进行不同材料的焊接。
With pulse welding function, the pulse current and time, basic current and time are adjustable independently, and user can select best parameters for welding different materials.
具有脉冲焊接功能,其脉冲电流、时间和基值电流、基值时间分别可调,用户可以选择最佳的参数配合进行不同材料的焊接。
With pulse welding function, the pulse current and time, basic current and time are adjustable independently, and user can select best parameters for welding different materials.
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