Detection of sheeting in polyethylene gas-solid fluidized bed by measuring electrostatic current 基于静电测量的聚乙烯气固流化床结片检测
Hierarchical distributed multiprocessor Furthermore, the distribution and variation of the electrostatic potential and layer ionospheric current density at the Northern Hemisphere are calculated by the dynamo theory. 继而从发电机理论得到了电离层电位及层电流密度在北半球的分布和变化。
Electrostatic coagulation of bipolar-charged particles in an external AC electric field The electromagnetic fields at a boundary surface or at a surface whereon some charge exists or some current flows 双极荷电颗粒在外加交变电场中的静电凝聚分界面上及面电荷和面电流处的电磁场
So far both the formula for energy of line charge and the condition of electrostatic equilibrium have not been directly derived from the current electromagnetism. 现行的电磁学对线电荷的能量公式、静电平衡条件都没有直接推导过。
Approach the reasons for modelling of electrostatic field by the steady current field 关于用稳恒电流场模拟静电场原因的探讨
Using an advanced Agilent digital memory oscilloscope, the rise-times and the peak amplitudes of air electrostatic discharge current and peak-peak voltages induced on the self-made semi-metal-loop are measured, and the waveforms of the discharge current and induced-voltage are recorded. 利用Agilent数字存储示波器测量了空气静电放电放电电流的上升时间、峰值以及耦合到自制的金属半圆环上的峰-峰值电压,并记录了放电电流和耦合电压的波形。
Low-voltage electrostatic cathodic protection ( LECP) is a combined technology of low-voltage electrostatic bactericidal action with impressed current cathodic protection, which was studied on metal corrosion control in circulating cooling water system, and anti-corrosion mechanism was provided in this paper. 将低压静电杀菌技术与外加电流阴极保护缓蚀技术结合起来,对循环冷却水系统的金属腐蚀控制进行了实验研究,并提出了缓蚀机理。
The Difference between Electrostatic Field and Electric Field in the Steady Direct Current 静电场和稳恒电流场的异同
At high content of PA, Fe ( HS-) ads is stabilized owing to the hydrogen bonds and electrostatic action, which made the anodic current approach to zero. The interaction between PA and Fe ( H2S) ads in this case is weak. PA浓度较高时,其通过氢键及静电作用可完全稳定吸附物Fe(HS-)ads,使阳极电流几乎接近于零,但此时PA对吸附物Fe(H2S)ads作用较小。
The authors also discuss, in the light of the similarity between the electrostatic field and the steady-state current field, the realization of the first approach including the integral equation, division of moment method, singularity treatment and establishment of algebraic equations after division. 应用静电场和恒定电流场的相似性,论述了第1种方法的实现过程,包括积分方程的建立,矩量法离散,奇点的处理,以及离散后的代数方程式等。
Determination of Continuous of f ( x) in Its Field of Definition Improvement of Experiment on Electrostatic Field by the Analogy of Electric Current in Continuous Media 函数f(x)在区间I上一致连续的判断方法《电流场模拟静电场》实验的改进
VC type electrometer is an electrostatic instrument of alternating current induction type. VC型静电仪是一种交流感应式静电仪表。
It is associated with the forming process of arc channel for the air discharge mode of an electrostatic discharge simulator, and the repeatability of discharge current is influenced by some factors such as the approaching velocity of the discharge tip of simulator, ambient temperature and humidity. 静电放电模拟器空气放电方式涉及到外部火花通道的形成过程,模拟器放电电极接近被测物体的速度、环境温湿度等因素都导致其放电电流重复性差。
In the experiment of simulating electrostatic field in the field of constant electric current contact voltage between electrode and conduction paper is often neglected. 在用稳恒电流场模拟静电场的实验中,人们通常忽略了电极与导电纸之间的接触压降。
Tne author discusses in theory why static electricity is produced on fracturing blending trucks, presents methods for measuring the electrostatic charge, potential difference and current, and introduces measures for electrostatic shielding. 从理论上分析了混砂车产生静电的原因,叙述了电量、电压和电流的测量方法,介绍了静电防护措施。
On the comparison of the two fields in the experiment of stimulating electrostatic field using current field 浅谈电流场模拟静电场实验中的二场的比拟
The thesis is researched in the following aspects of theory and practice based on the antisepsis facts of South Distillation unit: 1 The principle and process flow of the electrostatic desalter system were researched, and operating problems of the former alternating current electronic desalter system were analyzed. 本课题基于南蒸馏装置的防腐实际,在理论和实践层面上进行了以下方面的研究。(1)研究电脱盐系统的原理及工艺流程,分析原交流电脱盐系统运行中存在的问题。
Improvement of Experiment on Electrostatic Field by the Analogy of Electric Current in Continuous Media 《电流场模拟静电场》实验的改进
In electrostatic detector array system, the current detecting electrostatic detector, which use plane sensor to convert static signal to current signal for detection, has its unique characteristics and is provided with essential qualification to constitute array model. 在静电探测器阵列系统中,利用平面传感器将静电信号转换为电流信号进行检测的电流检测式静电探测器具有其独特的信号特征,具备构成阵列模型的基本条件。
The Design of Electrostatic Precipitator Constant Current Power Supply 静电除尘器恒流电源的设计
Test results indicate that ( 1) The main effect of current electrode is to produce corona, as well as electrostatic field, discharging current and electric field strength rise along with the boost of voltage or the decrease of electrode distance; 研究结果表明:(1)电晕电极的主要作用是产生电晕电流,同时也产生静电场;电晕电流和场强随极间电压升高或极距减小而增强;
The operation situation of ESP is identified by the main items such as inservice rate of electrostatic fields, inservice rate of equipment, and acceptable rate of secondary voltage and current, etc. 用电场投入率、设备投入率、二次电压合格率、二次电流合格率等主要项目表征电除尘器运行状况的优劣。
The interaction between DNA and anionic surfactants is attributed to electrostatic repulsion and hydrophobic binding, which makes the peak current of MB decrease. 阴离子表面活性剂与DNA之间以静电排斥为主,也有部分疏水性结合,它使MB的氧化还原峰峰电流减小。
The existence of long range electrostatic attraction between particles with like charge is one of the great current controversies of colloidal science. 带同种电荷颗粒间存在静电吸引是当前胶体科学领域的一大研究热点,也是颇有争议的一个课题。
Use the electrostatic probe method measure the current in ESP interior space when the wire-plate configuration is different, and discuss the ion wind distributing in different electric field region. 采用静电探针法分析了不同线板配置下的空间电流值,并对不同电场区域的离子风进行了讨论。
Electrostatic discharge is a process of high voltage, strong electric field, the instantaneous large current pulse. It can cause interference with the electronic equipment not only because of conducting but also because of radiating. 静电放电是一个高电压、强电场、瞬时大电流脉冲的过程,它不仅可以以传导的方式对电子设备造成干扰,也还可以以辐射的方式对电子设备造成干扰。
However, the application of the cathodic protection system unfavorably creates a corrosive electrostatic field, and an ELF ( extremely low frequency) electromagnetic field around the vessel due to the current of protection systems. The ship corrosion electromagnetic field brings the threat to the ship security. 由于施加阴极保护系统,在舰船的周围产生由阴极保护系统的电流产生的腐蚀静电场和极低频电磁场,为舰船的安全性带来了威胁,因此对舰船腐蚀电磁场进行研究,具有重要的军事意义。