The withstand voltage of a single grain was induced to indicate the withstand voltage properties of grain boundary.
本文建立了ＰＴＣＲ 材料的晶界、晶粒微观模型，采用单晶粒的耐压强度表征ＰＴＣＲ 材料的耐压性能。
The results indicate that compared with the PTCR sintered by liquid method,the withstand voltage of the PTCR produced by new method is 420～450V,courier point is 270 ℃,average resistivity in room temperature is 37.
结果表明,与液相法BaTiO3制取的热敏电阻的相比,一次烧结法生产的热敏电阻的耐压为420~450 V,居里点为270℃,平均室温电阻率为37。
The implementation of leakage current measurement in withstand voltage test at operating temperature for electric appliance safety inspection is presented in this paper.
介绍一种电器安全检验在热态耐压测试中漏电流及其波形检测的实现。
The Amelioration on withstanding voltage and partial discharge test methods of power cable;
电力电缆耐压和局部放电试验方法的改进
In this paper,a design of multi-set automatic withstanding voltage testing equipment for electric energy meter is introduced.
介绍一种新型多工位电能表全自动交流耐压试验装置的方案设计、实现原理以及功能特点。
A IPC—based withstanding voltage testing system was designed corresponding to the standard of IEC61010 in this paper.
介绍由工业PC控制的且符合IEC61010标准的耐压测试系统。
Comparison of Anti-pressure Capacity for Two Different Structures of Magnetic Fluid Seals;
两种磁性液体密封结构耐压能力的比较
In this paper,analyzed anti-pressure transfer process of magnetic fluid seals in theory and mentioned three ideas, demonstrated those ideas based on experiments, summarized the anti-pressure transfer process of magnetic fluid seals in conclusion.
文中通过对磁性液体密封耐压传递过程的理论分析,提出了三种观点,并在实验的基础上对此三种观点进行了论证,总结了磁性液体密封的耐压传递过程。
Ultra-low frequency voltage endurance test for cross-linked cable;
交联电缆的超低频耐压试验
The authors have studied the motion mechanism of the magnetic fluid in a reciprocating seal gap, on the basis of which the authors obtain an anti pressure formula of the reciprocating shaft magnetic fluid seal from general Navier Stokes equation.
研究了往复轴磁性液体密封间隙内磁性液体的运动机理 ,在此基础上从纳韦 -斯托克斯方程出发得出了往复轴磁性液体密封的耐压公式。
The effects of different temperatures on compressive strength and bulk density were studied.
主要探讨了不同的烧结温度对试样的耐压强度和体积密度的影响。
A test is done on pre-baked anode made from calcined coke in aspects of apparent density,real density,porosity,resistivity of powder,compressive strength,which shows compressed petroleum coke improves its chemical and physical performances.
采用压密煅烧石油焦制成预焙阳极,通过体积密度、真密度、显气孔率、电阻率、耐压强度、透气度的测试,结果表明,压密石油焦能显著地改善预焙阳极的理化性能,使预焙阳极制造过程中沥青加入量控制在13%,预焙阳极的体积密度达到1。
In order to save the required energy for grinding the slag, the compressive strength of the slag is reduced by inducing cracks in it with the help of microwave.
为研究引发的裂纹对碾磨渣的影响,对经过微波处理的高钛高炉渣进行了耐压强度测试。
These physical properties were correlated with the crushing strength of unglazed-fired tiles.
论述了从塞拉利昂不同地区采集的６个粘土试样的一些物理性能，这些物理性能与无釉烧结地砖的耐压强度有一定的关系。
Support vector machine, a new computational method that have powerful prediction ability and can avoid over-fitting, has been used for optimizing processing parameters (content, particle size, and firing temperature of added silicon) in the preparation of alumina-carbon material and establishing the model of their influence on cold crushing strength of samples.
通过实验数据处理,建立了金属硅粒度、含量和热处理温度与烧后冷态耐压强度的数学模型。
Based on the production data of 1997 s,the regression equation of the relationship among cold crushing strength,volume density and granular conformation of magnesitecarbon bricks is obtained.
利用１９９７年生产数据建立数学模型，得到镁碳砖的耐压强度、体积密度与颗粒组成关系的回归方程，并利用回归方程进行预测，为生产高强度镁碳砖，提高原料利用率，选择优良配方，提供了理论依