分别取样 meaning in Chinese

separating sample

Therefor sampling is made in the reservoir area , and the samples are soaked in the simulated reservoir environment . chemical analysis is made to the soaked fluid , which shows that the reservoir water will not be worsen by the harmful material in the rock and earth , but chemical detecting shall be carried out to some elements
为此，对库区中的岩土进行了分别取样，并采用模拟库水浸泡岩样，对浸泡液进行化学检测分析.结果表明，水库蓄水后不会因岩土中存在有害物质造成水质恶化问题，但应对某些元素进行监测