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- Objective Comparing study on the killing effect of killing cockroach chalk against Blattella germanica.by two examining way in laboratory. 目的实验室内比较研究了两种方法测试杀蟑螂笔对德国小蠊的杀灭效果。
- The Study on the Two Kind of Way to Examine Killing Effect of Killing Cockroach Chalk in Laboratory 杀蟑螂笔实验室药效测试方法的探讨
- Killing cockroach chalk 杀蟑螂笔
- Methods Linking-cask way and standard way were used for examining the killing effect of killg cockroach chalk,The mortality of 24h,48h and 72h were used for comparing two kind of way. 方法采用连接筒法和国标法,通过观察24、48和72小时杀蟑螂笔对德国小蠊的死亡率比较两种方法的差别。
- Objective To develop the killing cockroach aerosol production which would be used in Chinese frontier Port. 目的开发一种新型灭蟑烟剂,用于国境口岸快速杀虫。
- Methods The residual spraying and toxic baits were used to kill cockroach, and the control efficacy was evaluated by chemicals simulating method and visual method. 方法统一时间、统一药物,采用滞留喷洒法和毒饵法集中杀灭,并用药激法和目测法考核灭蜚蠊效果。
- the project of killing cockroach 灭蟑方案
- Observation of Effect of 1% Po Yi to Kill Cockroach 1%25毙蟑蚁胶饵制剂对蟑螂灭效观察
- Is a high effective insect powder for killing cockroaches,rice weevils,parasites(e.g Lice fleas)on domestic animals,and injurious on flowers. 具有特效杀灭亡蟑螂、下水道口害虫,对家庭花卉植物株的幼虫类,更佳杀灭作用。
- The indication is that it is an underworld killing. 迹象表明它是下流社会的谋杀。
- Shaking will settle the chalk powder down. 晃一晃把粉笔末抖落下来。
- The inspector find cockroach in the bottle kitchen. 卫生检查员在饭店厨房发现了蟑螂。
- The teacher wrote on the blackboard with a piece of chalk. 老师用一支粉笔在黑板上写字。
- Look! There's a big cockroach on your desk light. 看啊!有只大蟑螂在你的台灯上。
- Some of that chalk has rubbed off on your coat. 你的上衣沾上了些粉笔末。
- Dust yourself down you're covered in chalk. 把你自己身上掸掸--上面都是粉笔末。
- We're not beaten yet, (not) by a long chalk. 我们还没有败,远远没败。
- The court has made a verdict of unlawful killing. 法庭已经做出不合法杀害的裁决。
- The teacher's chalk grated on the blackboard. 老师的粉笔在黑板上发出刺耳的摩擦声。
- Such a young child does not know chalk from cheese. 这样年幼的孩子是不辨是非的。