氦离子等离子体  He plasma

离子等离子体频率  ion plasma frequency

重离子等离子体加速器  heavy ion plasma accelerator

尿氢离子浓度测定器  urinacidometer

氢离子浓度  hydrogen-lon concentration; hydrogen-ion concentration; hydroge ion concentration; pH; hydrogen ion concentration; hydrogen-ton concentration; Hydrogen-iron concentration; hydrogenion concentration; hydrion concentration; concentration of hydrogen ion

氢离子浓度比值器  pH value comparator

氢离子浓度测定计  pH meter

氢离子浓度测定器  pH meter

氢离子浓度记录器  pH-recorder

氢离子浓度决定  pH determination

氢离子浓度控制  pH concentration control

氢离子浓度梯度  pH gradient

氢离子浓度指示剂  hydrogen ion concentration indicator

氢离子浓度指数pH  hydrogen ion concentration pH

最适氢离子浓度  optimum hydrogen-ion concentration

部分电离等离子体  partial ionization plasma

等离子氢化  thin film transistor

等氢离子的  isohydric

等氢离子弧焊机  isohydric welder