例句與造句

1. Standard test method for determining residual vinyl chloride monomer content in ppb range in vinyl chloride homo - and co - polymers by headspace gas chromatography
   用液上氣相色譜法測定氯乙烯均聚物和共聚物中的十億分之一級殘余氯乙烯單體含量的標(biāo)準(zhǔn)試驗方法
2. If we can find a way to artificially enhance the adsorption of activated carbon , its benefits on economy and environment will be considerable . it is the aim of this work to investigate electrosorption of chloroform in water on granular activated carbon . the potentials on working electrode are controlled by potentiostat and the concentration of chloroform is measured by headspace gas chromatography
   實驗用恒電位儀作控制電源，調(diào)節(jié)工作電極電位(相對于參比電極電位)來控制加在活性炭上的電場，用頂空進樣法測定水中氯仿的剩余濃度，參照方法與依據(jù)都是國家標(biāo)準(zhǔn)方法或國外先進方法。
3. It's difficult to find headspace gas chromatography in a sentence. 用headspace gas chromatography造句挺難的
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