By using a voltage gradient program, the eight aromatic amines were all separated well.
以磷酸盐为缓冲溶液 ,考察了pH值、缓冲溶液浓度、各种添加剂 (环糊精、尿素 )和有机试剂对分离的影响 ,在此基础上采用了电压梯度法 ,使 8种芳香胺得到了较好的分
Adding a appropriate amount of SiO2 to ZnO ceramics leads to incrcase a value and voltage gradient of the varistor, to decrease leakage current and to raise withstanding surge current, that results in making ZnO varistors with excellent performance.
实验研究了ＳｉＯ２对ＺｎＯ压敏电阻器性能的影响，在ＺｎＯ陶瓷中，添加适量的ＳｉＯ２可以提高压敏电阻器的α值和电压梯度，降低漏泄电流，提高通流量，能够制造出性能优异的ＺｎＯ压敏电阻器。
The AC flashover voltage, voltage gradient along the leakage distance, valid coefficient of creepage distance and the arc advancing path of polluted insulators are related to its materials and configuration.
人工污秽绝缘子的交流闪络电压、沿爬电距离的污闪电压梯度、有效爬电系数及放电发展过程中电弧发展的路径均与其材质和型式有关。
Characteristics analyses of energy consumption for VVVF controlled hydraulic elevators with closed circuit;
采用闭式油路的变频液压电梯能耗特性分析
Energy-saving system applying pressure accumulators for VVVF controlled hydraulic elevators;
配置蓄能器的变频液压电梯节能控制系统
The selection of elevator without machine room and hydraulic elevator in building;
建筑中无机房电梯与液压电梯的选择
Design of the C8051 microcomputer-based control system of hydraulic elevator;
基于C8051单片机的液压电梯速度控制系统设计
Finite Element Analysis on A Hydraulic Elevator Car Frame;
液压电梯轿厢架的有限元计算
Analysis on Voltage Gradient Limitation of ZnO Varistor in Ultra High Voltage Arrester
特高压避雷器用ZnO压敏电阻电压梯度限值的探讨
Study on High Voltage Gradient Zinc Oxide Varistor;
高电位梯度氧化锌压敏电阻片的研究
Spline Finite-Point Method for Analysis of Functionally Graded Piezoelectric Beam and Plate;
功能梯度压电梁板的样条有限点分析
Study on the Coupled Field of Functionally Gradient Piezoelectric Cantilevers;
功能梯度压电梁的多场耦合特性分析
3D analytical solution for a piezoelectric rotating annular plate with functionally graded property
功能梯度压电旋转圆环的三维解析解
Electric Field Gradient Effects in Anti-plane Crack Problems of Piezoelectric Ceramics;
压电陶瓷反平面裂纹问题中的电场梯度效应
Bending behaviors of functionally gradient piezoelectric curved cantilever was studied.
研究了弯曲型梯度功能压电悬臂梁的弯曲特性。
Characters of Functionally Graded Piezoelectric Smart Beams and Their Applications;
功能梯度压电智能梁的特性分析及其应用
Anti-plane Moving Yoffe-crack in Functionally Graded Piezoelectric Materials;
功能梯度压电材料反平面Yoffe型运动裂纹问题
Buckling Analysis of Simply-supported Piezoelectric Functionally Gradient Rectangular Thin Plate;
四边简支压电功能梯度矩形薄板的屈曲
Research on the Property of Mechanics of Piezoelectric and Functionally Graded Cylindrical Shells
压电与功能梯度圆柱壳的力学特性研究
Dynamic Analysis and Vibration Control of Functionally Graded Piezoelectric Laminate Plates
功能梯度压电层合板动力分析及振动控制研究
Speed Control Study of Hydraulic Lift Based on Neural Network Fuzzy PID
基于神经网络模糊PID的液压电梯速度控制研究
Scattering of SH-wave from the two Collinear Cracks of Functionally Graded Piezoelectric Strip
SH波在功能梯度压电带中共线双裂纹处的散射
Scattering of SH Wave on Crack in Functionally Graded/Piezoelectric Layers
功能梯度/压电材料层合中裂纹对SH波的散射
SH-Wave Scattering Caused by the Crack in Functionally-Graded Piezoelectric Layers
功能梯度/压电材料中裂纹对SH波的散射问题
density-dependent pressure gradient
与密度相关的压力梯度
A Moving ModeⅢ Crack at Interface Between Two Different Functionally Piezoelectric Piezomagnetic Materials
不同功能梯度压电压磁带黏接界面上的反平面运动裂纹