expulsion

用法例句

were tested for its repellent action and contact action against Tribolium castaneum,T.

)根茎无水乙醇提取物测定了其对4种储粮害虫赤拟谷盗(Triboli-um castaneum)、杂拟谷盗(Tribolium confusum)、锯谷盗(Oryzaephilus surinamensis)、长角扁谷盗(Cryptolestespusillus)的触杀和驱避作用。

The extracts had no obvious repellent action to adults.

)4种溶剂提取物对玉米象Sitophilus zeamais(Motschulsky)成虫的驱避作用和触杀作用。

The repellent action and contact action of the extracts of 21 species of plants to adult maize weevil, Sitophilus zeamais Motschulsky were studied.

结果表明,高良姜Alpiniaofficinarum石油醚提取物、黄姜Curcumalonga丙酮提取物和山鸡椒Litseacubeba石油醚提取物对玉米象成虫的驱避作用显著,处理60h平均驱避等级均达到Ⅴ级,平均驱避率分别为80。

Bio-activity of the alcohol extracts from plants of 16 species against adult citrus red mite Panonychus citri McGregor about ovipoisition deterrence,repellent effect and contact toxic effect was studied.

43%以上;山苍子、枫香植物乙醇提取物对桔全爪螨成螨的驱避作用明显,驱避率在80%以上;山苍子、盐肤木茎叶、牡荆和幌伞枫提取物对桔全爪螨成螨的毒杀效果明显,在处理72h后,死亡率在92%以上。

The oviposition repellent effect of alcohol extracts from twelve plants on Conopomorpha sinensis Bradley was investigated.

在室内测试了12种植物的乙醇提取物对荔枝蒂蛀虫的产卵驱避作用,结果表明,在选择性试验和非选择性试验中红花羊蹄甲的乙醇提取物驱避作用最高,分别为79。

The repellent effect of the alcohol extracts of 25 tropical plants to Oligonychus biharensis Hirst was studied in laboratory.

在室内进行了25种热带植物乙醇提取物对比哈小爪螨驱避性测定,试验结果表明:测试的热带植物乙醇提取物大部分对比哈小爪螨成螨及其产卵有明显的驱避作用,24 h后有20种对比哈小爪螨成螨的驱避率高达80%以上,其中山芝麻驱避效果最好,驱避率高达97。

The repellent action and contact action of Croton tiglium extracts to 4 kinds of stored-grain insects were studied.

研究巴豆4种溶剂无水乙醇、丙酮、乙酸乙酯、石油醚提取物对玉米象、谷蠹、长角扁谷盗、锯谷盗4种储粮害虫的驱避作用和触杀作用,结果表明:巴豆4种溶剂的提取物对4种试虫具有一定的驱避作用和触杀作用,60 h的平均驱避等级最高达到Ⅴ级,对4种试虫的触杀死亡率最高达到87。

Studies on repelling action of extracts from 9 species of plants against Plutella xylostella L.;

九种植物抽提物对小菜蛾产卵驱避作用的研究

The resoults indicated that the alcohol extract and its choloroform fraction presented a significant repelling action against Plutella xylostella L.

以干扰作用控制指数作为评价指标,测定了飞机草提取物和乙醇提取物的不同萃取物对小菜蛾产卵驱避作用活性。

The volatile oils can not only kill the present insects, but also can control occurance of progeny.

植物挥发油的驱避作用较强，经持续4周试验后其驱避率仍能保持在80％左右。

REPELLENT EFFECT AND POPULATION INHIBITION EFFECT OF ESSENTIAL OIL OF CITRUS TANGERINA HORT. EX TANAKA PEEL AGAINST TENEBRIO MOLITOR L. ADULTS

福桔果皮精油对黄粉虫成虫的驱避作用和种群抑制作用

Research on the Avoide Effective of Non-host Volatiles for Dendroctonus Valens LeConteresponse;

非寄主植物挥发性化学物质对红脂大小蠹驱避作用的研究

Research on Chemical Components of Essential Volatile Oils from Cicuta Virosa L. and Its Repellent Effect on Microtus Brandti;

毒芹挥发性成分分析及对布氏田鼠驱避作用研究

Many of these products are toxic to animals and other plants, or at least repellent.

这些产物的大多数对于动物和其它植物是有毒的，或者至少是有驱避作用的。

Study on Insecticidal and Repellent Activity of Five Essential Oils Against Culex Pipiens Quinquefasciatus and Aedes Albopictus;

五种植物精油对蚊虫的熏蒸毒杀作用及驱避效果的研究

Study on the Mechanism of the Demulsifiers on Water and Polymer Flooding Emulsion;

水驱、聚驱乳状液破乳剂作用机理研究

a chemical substance that repels.

有驱逐作用的化学物质。

Laboratory efficacy criterions of public health insecticides for pesticide registration PEPELLENT

GB/T17322.10-1998农药登记卫生用杀虫剂的室内药效评价驱避剂

Mosquito and midge repellents are necessary especially during summer days. Avoid using aerosal type repellents which are harmful to the atmosphere.

特别在夏季,应带备驱蚊药物;避免使用喷雾式的,因为会破坏大气层。

Contact and repellency activities of ethanol extracts from twenty medicinal plants against Rhizopertha dominica (Fab.)(Coleoptera: Bostrichidae)

20种药用植物乙醇提取物对谷蠹的触杀和驱避活性(英文)

Therefore, an event-driven mechanism was introduced to the operation of interception, analysis and resolution of resource conflicts.

采用事件驱动的方法，实时控制设备状态，避免制造资源冲突。

Study on Increased Effect of Pesticides and Repellent Confected by Chitosan;

应用壳聚糖提高杀虫剂和驱避剂效果的试验研究

Some drugs are avoided because of their harmmful aftereffects

有些药物避免使用, 因为有副作用。

The amplitude at the driven end is fixed by the driving mechanism.

由于驱动机构的作用，使驱动端的振幅保持不变。

Observation on mosquito repelling efficacy of one kind of controlled released formulation

一种长效涂抹驱避剂驱蚊效果的研究

do research on the side-effects of the pill

研究口服避孕药的副作用.

The purpose in tiptoeing may be to avoid disturbing other people

用这一动词可作为避免惊扰他人之意