nobs

There are three purity measuring methods of accelerator NOBS: potentiometric titration, indicator titration and liquid chromatography.

硫化促进剂NOBS纯度的测定方法有三种: 电位滴定法 、 指示剂滴定法和液相色谱法.

互联网

He acts as if he's one of the nobs.

他装得像个大人物似的.

互联网