insecticides造句

In remote regions, the air is pure and the crops are free of poisonous insecticides.
在偏遠(yuǎn)地區(qū)，空氣很純凈，莊稼也不施用有毒的殺蟲劑。

Objective To find methods for testing quickly if there were organophosphate and carbamate in insecticides.
目的快速檢測市售衛(wèi)生殺蟲劑中是否含有機(jī)磷或氨基甲酸酯成分.

Confine the use of insecticides to the evening and do not spray plants that are in flower...
只在晚間使用殺蟲劑，而且不要對正在開花的植物噴藥。

Farm workers frequently come in contact with these insecticides.
農(nóng)場工人常常接觸這些殺蟲劑.

Both Aldrin and Chlordane are valuable insecticides.
艾氏劑和氯丹都是重要的殺蟲劑.

Confine the use of insecticides to the evening and do not spray plants that are in flower.
只在晚間使用殺蟲劑，而且不要對正在開花的植物噴藥。

The field bioassay of 4 trunk injection insecticides ( 14 % Imidacloprid + DDVP , 4.5 % Imidacloprid, 2 % Abamectin and 30 % DDVP + omethoate ) was conducted against Brontispa longissima.
利用14%吡蟲啉.敵敵畏注干液劑 、 4.5%吡蟲啉注干液劑 、 2%阿維菌素注干液劑和30%敵畏.

• #insecticides