英语语法分析

The control effect of Wengmeiqing (validamycin) and its mixture on rice sheath blight disease was tested in field.

研究了纹霉清及其复配剂防治水稻纹枯病的防治效果。

According to the positive electrical property of imino group in Validamycins molecular in alkaline media, a one-step technology of extraction Validamycin was proposed.

并根据井冈霉素分子中仲胺基在碱性介质中显正电性的特点，设计了一步法提取井冈霉素的工艺路线。