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- The crops are regularly sprayed with pesticides. 农作物定期喷洒杀虫剂。
- How to search hives to prevent with cure? 寻麻疹怎么预防与治疗?
- prevention with pesticides 农药防治
- The numbers of sclerotia decreased significantly when treated with pesticides at the concentration of 50mg/L. 多数药剂在50mg/L的浓度下，能较高程度的抑制菌核形成的数目，如功夫、敌杀死等。
- Taiwanese farmer, who had worked with pesticides since leaving school at 15, goes organic to save his life. 一个台湾农夫，15岁离开学校后就一直使用农药工作，有机拯救了他的生命；
- The crops are regularly sprayed with pesticide. 庄稼定期喷洒杀虫剂。
- A farmer sprayed his crops with pesticide. 农民给作物喷杀虫剂。
- That cow was poisoned with pesticide. 那头牛被杀虫剂害死了。
- The thesis discusses the technology of automobiles fire prevention with the readers by analyzing the reason for it. 本文通过对汽车火灾成因的分析与广大读者探讨汽车火灾的技术防范措施。
- Conclusions Thrush was well prevented with 2% sodium bicarbonate. 结论2%25碳酸氢钠清洗口腔可预防鹅口疮。
- The fertilizer with pesticides could prevent nematode and vermin in soil from damage crops,with a significant effect in increasing crops yield and beneficial ecology and environment protection. 该项目产品能防止线虫和地下害虫对农作物的危害,对生态环保和农业增产增收效果显著。
- Fruit plants should be dealed with pesticide regularly. 果树应定期喷洒农药.
- A major problem with pesticides is that most of them are sprayed on crops. Winds often carry them to other farms in the area. 使用农药的一个大问题是:大多数农药是喷洒在作物上。风常常把农药吹到别的农场。
- In our studies, it is indicated that the optimum period of controlling Liriomyza sativae with pesticides is its young larva stage of adult stage. 研究表明，防治美洲斑潜蝇（Liriomyza sativae Blanchard）的适期以低龄幼虫或成虫期为佳。
- China carries out the policy of putting prevention first and combining prevention with control in managing existing marine pollution. 中国的海洋污染管理贯彻预防为主、防治结合的方针。
- Methods: Sister chromatid exchange(SCE) freqency was determined in human lymphocytes and plant root tip cells after treatments with pesticides. 方法 :测定蚕豆、大麦根尖细胞和人外周血淋巴细胞姐妹染色单体交换 (SCE)率。
- Methods : Sister-chromatid exchange ( SCE) f reqency was determined in human lymphocytes and plant root tip cells after treatment s with pesticides. 方法:测定蚕豆、大麦根尖细胞和人外周血淋巴细胞姐妹染色单体交换(SCE)率。
- The disease was controlled through prevention with piglet edema oil adjuvant vaccine for health piglets. 分离菌制成油佐剂灭活菌能有效预防猪群再次暴发仔猪水肿病。
- Poor farming practices also hasten desertification, creating dust beds polluted with pesticides and laced with diseases from human and animal waste. 不良的农耕方式也加速了沙漠化，使得这些沙尘温床受到杀虫剂和人畜排泄物中的病原所污染。
- Double check valve backflow preventers with a water meter and double check in by pass line. 双止回阀防回流阀配置一个水表和旁路管道上的双止回阀。
