1)Knockdown[英]['n?kdaun][美]['nɑk,da?n]击倒
1.Knockdown efficacy of net treated by pesticide on mosquito in Beiwan,Xinjiang新疆北湾地区药物处理蚊帐对蚊虫击倒效果研究
英文短句/例句
1.The condition of being knocked down.被击倒被击倒的状态
2.a technical knockout技术击倒((略作 TKO))
3.To hit or knock out with a sap.用包皮短棒打击或击倒
4.The blow knocked me flat.那一击把我击倒在地上。
5.To knock out, as in boxing.击倒，如在拳击比赛中
6.caress the canvas [ rosin ][美俚](拳击中)被击倒
7.A strike or spare in bowling.保龄球中的一球击倒或二击全倒
8.A knockout, as in boxing.击倒对手的一击，如在拳击等比赛中
9.Two lions fell to his gun.两头狮子被他的枪击倒。
10.He knocked me flat with one punch.他一拳把我击倒了.
11.He licked the dust and got fainted.他被击倒昏了过去。
12.I had a good right to have struck him down.我有理由把他击倒。
13.Ten rounds are one game.击倒一个球瓶记一分。
14.A blow laid him to the ground.他被一下击倒在地。
15.I floored him in the boxing match.我在拳赛中击倒了他。
16.The challenger took a dive.挑战者假装被击倒.
17.He shot down the man in cold Blood.他残酷地将那人击倒。
18.He floored the boy with one blow.他一下将那男孩击倒。
相关短句/例句
knock down撞倒, 击倒
3)knock out; win打倒;击昏;击倒
4)knockdown rate击倒率
1.The 2 h knockdown rate of three formulations on mosquitoes in mimic field was 100%, the 24 h mortality was 9.结果 :在实验室 3种蚊香对淡色库蚊KT50 为 2 2 7～ 4 98min ,2 4h死亡率为 91 4 %～ 10 0 % ;在模拟现场 2h击倒率为 10 0 % ,2 4h死亡率为 96 %～ 10 0 %。
5)Knockdown resistance击倒抗性
1.Knockdown resistance (kdr) is used to describe resistance to DDT and pyrethroid insecticides that result from reduced sensitivity of the nervous system in insects and other arthropods.击倒抗性 (kdr)是指昆虫和其他节肢动物由于它们的神经系统对DDT和拟除虫菊酯类杀虫剂的敏感性降低而引起的抗性。
6)Knock-down toxicity击倒活性
延伸阅读
击倒中时分子式：CAS号：性质：表示杀虫剂生物活性的指标，能使供试昆虫的一半(50％)失去正常活动能力所需的时间。通常以KT50表示，单位：s或min。KT50的值越大，药剂的生物活性越低。常用于对活动能力较强昆虫的试验，如蚊虫。
