英语语法分析

Mainly contain isothiocyanate as the alive compositions.

主要含有异硫氰酸盐等活性成分。

Method: HSS labelled with fluorescein isothiocyanate (FITC) was used for staining the hepatocytes.

方法：用己硫氰酸荧光素(FITC)标记HSS，通过直接荧光法观察。

By using the improved isothiocyanate method, total RNAs were extracted from leaves of sterile Maca plantlet.

以玛咖无菌苗叶片为材料，通过改良的异硫氰酸胍法提取其总rna。