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- Long residual herbicide 长残留除草剂
- Studies on Effect of Some Long Residue Herbicides to Succeeding Crop Flax 二种长残留除草剂对后茬作物亚麻的影响研究
- Biochemistry: Mode of action: Non-systemic acaricide with contact action, and long residual activity. 作用特点一种杀螨谱广、持效期长、毒性低、对天敌、蜜蜂及作物比较安全的杀螨剂。
- Biochemistry: Mode of action: Specific acaricide with contact action, and long residual activity. 作用特点特效杀螨剂，药效持久。
- Effects of long residue herbicides on agricultural development of Heilongjiang Province 长残留性除草剂与黑龙江省农业的未来发展
- Because of its long residual activity,controlled release as well as safety and low toxicity to mammals,microcapsule plays more and more important roles in pesticide formulations. 由于其具有持效期长，控制释放，毒性低，安全方便等特点，正成为农药新剂型的发展方向。
- But some environmental issues caused by sulfonylurea herbicides, such as Chlorimuron and Chlorsulfuron, are urgently settled because of their too long residual period and the fast growth of the weeds. 但其中部分产品如豆磺隆、绿磺隆等对一些农作物不安全,残效期过长及抗性杂草增加很快等问题亟待解决。
- long residue herbicides 长残留性除草剂
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- Degradation dynamics of chlorpyrifos, trichlorphon, and cypermethrin residues in onion were investigated.Chlorpyrifos residues showed relatively long residual when sprayed onto onions. 摘要研究了毒死蜱、敌百虫和氯氰菊酯不同施药方法在洋葱上的残留降解动态。
- How long will our food supplies hold out? 我们的储粮还能维持多久?
- Influence of Long Residual Effect Herbicides to Succession Crop 长残效除草剂对后茬作物的影响
- Study on the Bioassay method of long residual Clomazone 长残留除草剂广灭灵的生物测定方法
- It was a long trudge up the hill. 那段上山的路很难走。
- Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
- Cream cakes are no long a luxury. 奶油蛋糕再也不是奢侈品了。
- Longer residue time (5-7 days) reduce injection time. 3-5 injection times is one cause. 更长的体内存留时间，长达5-7天，从而减少注射次数，3-5次注射为一疗程。
