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- For multiresidue analysis of pesticides test mixture should contain pesticide covering the RT range of analyzed compounds . 对于杀虫剂的多残基分析，待测的混合物应该包含覆盖被分析物RT范围的杀虫剂。
- By treating with phosphoric acid, recoveries of more than 90% of the 75 kinds of pesticides tested, were found in the range of 70% to 120%. 试样在粉碎前经磷酸预处理，在所测定的75种农药中有90%25以上农药的回收率达到70%25~120%25之间。
- Pesticides Test of Tomato Grey Mould in Warmhouse 保护地番茄灰霉病药效试验
- The pesticide testing on field showed that effect of 20% mix ture EC (4% Fenpropathrin +16% Chlordimeform) was better than that of 20% Fenpropathrin EC and 25% chlordime from EC. 田间药效试验也表明,20%25的混剂乳油(4%25甲氰菊酯+16%25单甲脒)的药效明显高于20%25的甲氰菊酯乳油和25%25的单甲脒乳油。
- We are testing the efficacy of a new drug. 我们正在测试新药的功效。
- They were testing a new weapon then. 当时他们在试验一件新武器。
- Good teaching and good testing are closely related. 出色的教学工作与完善的测试制度密切相关。
- The device had undergone extensive testing. 这种装置经受过广泛的试验。
- Fumigants are pesticides acting in gaseous phase. 熏蒸剂是以气体形式作用的农药。
- The fertility of the soil has been greatly improved by the use of pesticides. 土壤施用杀虫剂後肥力大增。
- Farmer Jones was a dyed-in-the-wool traditionalist; he would never use any modern pesticides. 农夫琼斯是一个顽固的传统主义者，他从不愿使用任何新式的农药。
- Most pesticides do not comply with this ideal. 大多数杀虫剂在这一点上都不完全理想。
- Many pesticides are highly toxic. 许多杀虫剂毒性很大。
- The crops are regularly sprayed with pesticides. 农作物定期喷洒杀虫剂。
- Any of various hydrocarbon pesticides, such as DDT, that contain chlorine. 有机氯一种含氯的碳氢化合物杀虫农药，如滴滴涕杀虫剂
- Some people were poisoned by pesticides. 有些人农药中毒。
- Used for testing the evenness of sliver and roving. 用于检验条子及粗纱的条干均匀度。
- Their spray pesticides, for their prayers. 为它们喷杀虫剂，为它们祈祷。
- Organophosphate pesticides poisoning. 有机磷农药中毒
- Also, some organic pesticides are harmful to lambs. 而且杀虫剂对羊羔也是有害的。
