| 释义 |
chromatography
UK [ˌkrəʊ.mə'tɒg.rə.fi] US [ˌkroʊ.mə'tɑ:.grə-] noun uncountable specialized
■a scientific method of finding what separate substances are in a mixture by making it flow, as a liquid or gas, through a material such as paper which different substances pass through at different speeds 层析法，色层分析法（一种识别混合物中所含成分的科学方法，原理是让液态或气态混合物流过某一物料（如纸张），当中的不同成分会以不同速度流过该物料） |