field trial

The field trials indicate that the demulsifier chemical can effectively demulsify c...

应用除油剂除油后污水达到回注,接经济效益显著。

It was verified that the items on weediness in the evaluation standard of environmental safety are practical through the field trial.

试验证实转基因大豆环境安全评价杂草性条款具有可操作性。