In order to study the change regularity of trap parameters in polyimide under high stress step voltage,the thermally stimulated current and conductive current were measured during the electrical ageing process.
聚酰亚胺是变频电机中重要的绝缘材料,为了解它不同承受电压形式时其绝缘老化过程和失效机理与传统交、直流电压下存在的很大差异,在高场强方波电压下对聚酰亚胺膜进行电老化,测试了不同老化时间后聚酰亚胺膜的电导电流和热刺激电流(TSC)以分析聚酰亚胺膜活化能和陷阱密度等微观参数的变化规律。
A new type of data acquisition and processing module for the Downhole conductance correlation flowmeter.;
一种新型井下电导相关流量计数据采集处理模块
The effects of both length and tube-diameter on the conductance of single-walled carbon nanotubes;
管长和管径对单壁碳纳米管电导的影响
Effect of Cu~(2+) doping on the conductance and gas-sensing properties of In_2O_3;
Cu~(2+)掺杂对In_2O_3电导和气敏性能的影响
Determination of the Concentration of Ions in a Binary System by Conductivity Method;
电导法确定二元体系中离子的浓度
Investigation on the Conductivity and Microstructure of Mixed Reverse Micelles;
混合反胶束的电导与微结构研究
The localized properties of electronic states and conductivity of DNA sequence;
DNA分子链的电子局域性质及电导的研究
Character of electrical conductance of soil colloid under constant charge;
恒电荷土壤胶体的电导特性
The absorption of actived carbon for TBAB and CTAB is studied preliminary by electrical conductance.
用电导法就活性炭对四丁基溴化铵（ＴＢＡＢ）、十六烷基三甲基溴化铵（ＣＴＡＢ）的吸附作用做了初步探讨。
The relation concentration and time of system TBAB synthetic reaction is determi-nated by electrical conductance in this paper.
本文以电导法测定了四丁基溴化铵合成反应体系的浓度和时间的关系；确定了此反应为二级反应；求出了不同温度下的反应速率常数、活化能、指前因子以及活化熵变；初步拟定了反应机理。
Fluorination and electrical conductivity of BN nanotubes;
F掺杂的BN纳米管及电导特性
Synthesis and electrical conductivity of FeCl_3 exfoliated graphite intercalation compounds;
FeCl_3膨胀石墨层间化合物制备及电导性能研究
Development of Industrial Electrical Conductivity Instrument;
工业电导信号测量仪的研制
An electric conductivity model of metal insulator composites with an interfacial shell is given.
建立了含界面层的金属 -绝缘体复合材料的有效电导模型。
The fairly good electric conductivity of the complexes is decided by its peculiar structrure.
籍助二氰基二硫纶金属配配合物的晶体结构，揭示了该类配合物的结构与其电导有直接的内在关系：平面共轭型的电子接体或电子受体在晶体中分别排列成均匀分子柱；电子援、受基团紧密有序堆砌，柱内相邻分子π轨道相互重叠，形成能带，电子在能带上跃迁形成电子通路；电子授和受体之间发生不完全电行转移，生成混合价态，形成部分充填的能带结构等这些结构特征是二氰基二流比金属配合物电导或半电导性质的内在原因。
An electric conductivity sensor of transformer type is made on the principle of electromagnetic inductance.
电解质溶液的电导随浓度而变化，测量溶液电导即可推出溶液的浓度。