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insecticides相关的网络例句

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与 insecticides 相关的网络例句 [注:此内容来源于网络,仅供参考]

In recent decades, in order to gain higher and more steady yields of tea, the planting patterns were changed and the chemical fertilizers and insecticides were heavily applied, which inversely influenced the ecosystem of the tea plantation .

近几十年来,由于茶树种植栽培方式的改变和化学肥料、化学农药的大量使用,在保证茶叶高产稳产的同时,也给茶园的生态环境带来负面影响。

In recent decades, in order to gain higher and more steady yields of tea, the planting patterns were changed and the chemical fertilizers and insecticides were heavily applied, which inversely influenced the ecosystem of the tea plantation.

近几十年来,由于茶树种植栽培方式的改变和化学肥料、化学农药的大量使用,在保证茶叶高产稳产的同时,也给茶园的生态环境带来负面影响。造成生物多样性指数降低,优势病虫种群突出。

So if you're allergic to dust, insecticides, pollen, cigarette smoke, and cat dander, you'll need to reduce the overall allergen level in your environment by concentrating on all of the causes, not just the pet allergy.

因此,如果您对灰尘、杀虫剂、花粉、香菸的烟或猫的毛屑过敏,就必须就所有的原因减少环境中整体的过敏源程度,而不是只针对宠物。

Methods The natural housefly population collected in fields were fed in the lab and their sensitivities of different generation (from F1 to F21) to three insecticides (cypermethrin, deltamethrin, and Dichlorvos) were bioassayed with the serial dilution spotting procedure.

将野外采集的家蝇自然种群在实验室进行正常饲养,用点滴法测定其不同世代(F1~F21代)对氯氰菊酯、溴氰菊酯和敌敌畏3种杀虫剂的敏感性。

The results indicated that the effects of all insecticides on control spiraling whitefly was significantly different. Acetamiprid, methomyl and beta-cypermethrin were more effective against the pest.

结果表明,不同药剂对不同虫态的螺旋粉虱的防效存在显著差异,而啶虫脒、灭多威和高效氯氰菊酯对成虫和若虫均有理想防效。

Results Community members mainly knew symptoms of vivax malaria, and about one-third respondents did not think fever as one of malaria symptoms. They thought that malaria had possible connection with mosquitoes, but confused with other things. Malaria was ranked as one of 3 very common diseases in communities and main disease burdens. Adults, who stayed overnights in field shacks or Myanmar, are thought to be prone to malaria infection more, and the highly prevalent months are from July to October. Chemprophlaxis and spraying with insecticides were major malaria preventive methods they knew.

结果 社区群众主要知道间日疟症状,大约 1/ 3的人并不认为发热是疟疾的症状之一,佤语疟疾一词中无发热之意;他们认为疟疾与蚊子可能有联系,但又与其它事物相混淆;疟疾被认为是社区中三种很常见的疾病和主要疾病负担之一;他们认为在田棚或缅甸过夜的成人更容易感染疟疾,疟疾的流行季节为 7~ 10月份;预防服药和杀虫剂喷洒是其所知道的主要疟疾预防方法。

" Agrochemical: Any chemical used in agriculture, including chemical fertilizers, herbicides, and insecticides."

农用化学品:用于农业的任何化学品,包括化学肥料、除草剂、杀虫剂。

Today you have more fatty, sugary foods, animal meats doped with hormones and steroids and cultivations sprayed with insecticides and pesticides.

今天你有更多的脂肪,含糖的食物,动物的肉用激素和类固醇,并喷洒杀虫剂和农药栽培掺杂。

The results indicated that insecticides could lead to quality and quantity chang es in resistant houseflies .

杀虫剂的作用可使抗性家蝇体内的蛋白在质和量上发生改变。

Objective To compare the efficiency of insecticides toxicity to different houseflies strains with two methods.

目的 用两种生物检测方法-点滴法与喂饲法检测杀虫剂对家蝇的毒力,比较这两种方法检测结果的差异。

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