纯度测定 meaning in Chinese

purity determination
purity testing

High - purity n - heptane and isooctane - determination of purity - capillary gas chromatography
高纯正庚烷和异辛烷纯度测定法
Advanced technical ceramics - methods of test for ceramic powders - determination of impurities in alumina
高技术陶瓷.陶瓷粉的试验方法.氧化铝的纯度测定
Methods for chemical analysis of tobacco and tobacco products - determination of nicotine purity gravimetric method using tungstosilicic acid
烟草和烟草制品化学分析方法.第17部分:烟碱纯度测定
The methods of extraction and purification , determination of purity and molecular weight , chemical composition , and bioactivities of tea polysaccharide are summarized
本文就茶多糖的提取纯化方法、纯度测定、分子量测定、化学组成、生理作用等进行综述。