ASTM D7881-2019 用带反向电压模式的毛细管电泳测定精对苯二甲酸中对甲酰基苯甲酸和对甲苯甲酸的试验方法 Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage Mode
GB/T 22382-2017 额定电压72.5 kV 及以上气体绝缘金属封闭开关设备与电力变压器之间的直接连接 Direct connection between power transformers and gas-insulated metal- enclosed switchgear for rated voltages of 72.5 kV and above
DZ/T 0279.21-2016 区域地球化学样品分析方法 第21部分:氟量测定 离子选择电极法 Analysis methods for regional geochemical sample-Part 21: Determination of fluorine contents by ion selective electrode
IEC 61481-1-2014 带电作业--相位比较仪--第1部分:交流电压1kV以上使用的电容型 Live working - Phase comparators - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c.