sensing zone technique meaning in English

敏感区技术

Standard test method for particle size distribution of alumina or quartz by electric sensing zone technique
用电感应区域法测定矾土或石英粒度分布的标准试验方法
Standard test method for particle size distribution of chromatography media by electric sensing zone technique
用电感技术测试色谱测量介质颗粒粒度分布的标准测试方法
Test methods of rare earth three - band phosphors for fluorescent lamps - determination of particle size distribution by electric sensing zone technique
灯用稀土三基色荧光粉试验方法电传感法粒度分布测定