etoc

常見例句

• A determination rnethod of Etoc in Mosquitourepellent mat with gas chrornatography was established.The quantitative analysis of etoc was conducted by GC using FID and internal standard method.
  敘述了採用氣相色譜法，以FID檢測器和內(nèi)標(biāo)法定量測定電熱蚊香片中益多尅的含量。
返回 etoc