Direct acting indicating analogue electrical measuring instruments and their accessories - specification for special requirements for ohmmeters impedance meters and conductance meters 直接显示电工模拟测量仪表及其附件.第6部分:欧姆表
Direct acting indicating analogue electrical measuring insutrments and their accessories . part 6 : special requirements for ohmmeters impedance meters and conductance meters 直接作用的指示用模拟电气测仪器及其附件.第6部分:欧姆计和电导计用特殊要求
A type of micro - ohmmeter based on the technique of current reversed 4 - line impedance measurement is designed , which can be testified to meet the requirement and have a good repeated accuracy 摘要设计一种基于四线制电流倒向技术的微弱电阻测量仪,经实验验证,该测量仪可以很好地满足测量要求,并具有良好的重复测量精度。
The as - grown crystals were characterization by cutting and directional , x - ray diffraction , high resolution ohmmeter , ir transmission spectroscopy , visible light absorption spectroscopy , scan electronic microscopy ( sem ) and positron annihilate time technique ( pat ) . the ir transmittance of czt single crystals grown with cd - riched is about 53 % , while 23 % with no cd riched 采用解理实验、 x射线衍射、电学性能测试、红外透过谱测试、可见光吸收谱测试、 sem蚀坑分析、探测器的试制等分析测试方法,并首次采用正电子湮没寿命谱分析方法来研究czt单晶体的空位缺陷,综合表征了所生长的晶体的质量和性能。
After the seawater desalination equipment was successfully brought to market , our company also promoted the ultra - pure water equipment suitable for electronic and medical industry according to the demands of the market . it uses an edi membrane from american electropure co . , ltd , the conductance and ohmmeter are from hanna co . , ltd . all spare parts of equipment are made of the highest quality materials 公司在成功地把海水淡化设备推向市场后,又应市场的需求推出了适于电子医药等行业用的超纯水设备,即jhh - edi系列。其关键器材采用美国著名的electropure公司的edi模块,及hanna公司的电导率电阻率表。其他主要配件则采用国产优质材料及配件。