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It lied in all kinds of soil and air. B.t had strong insectcidal ability ,and it could kill a lot of creatures of Arthropoda, Protozoa, Nemathelminthes and Platyhelminthes.B.t was the most comprehensive microorganism being used in biotic pesticide.

该病原广泛存在于各种土壤及空气中,具有很强的杀虫活性,至少能杀死节肢动物门九个目及原生动物门、线形动物门和扁形动物门中的多种动物,而对人、畜、哺乳动物及天敌等无害,因此,B.t是生防工业中应用最广泛的微生物。

One of the theoretical issues arising from any pesticide is the effect of a killing substance on the target population. Because a target population is a biological entity, and as such, subject to evolutionary and ecological processes, evolutionary ecologists would predict that a substance designed to kill insects would at the same time act as a selection pressure for resistance to the same substance.

理论上,我们需要关注的问题之一是,杀虫剂对目标群体杀伤作用的影响,因为,目标群体属于一个生物体系,同样需要遵从进化和生态学过程,进化生态学家认为,杀虫剂用来杀虫同时,也是一种针对杀虫剂抗性的选择压力。

It is reported in this study that (1) two high enzyme-yeilding strains TK54 and T12 have been screened from four choleterol-secrecting experimental strains, he supernatant of which have been tested for insecticidal activity with the results showing that cholosterol oxidase can strongly inhibit the vigor of cotton boll worm.

本研究从4个分泌胆固醇氧化酶的实验菌株中,筛选出两个高产酶菌株TK54和T12,用其上清进行杀虫实验发现,胆固醇氧化酶具有较强的抑制棉铃虫生长的活性。

Lead into a new model attractant, synergistic component, pesticide killing insect pests radius expanding in soil, to fine killing endangering lawn and seedling subterranean pest-insect such as grub, wireworm, mole cricket, cutworm, and has a long lasting period, difficulty resistance, low toxicity, good environment compatibility.

引入新型引诱剂、增效成份,扩大药剂在土壤中的杀虫半径,对危害草坪、苗木的蛴螬、金针虫、蝼蛄、地老虎等地下害虫有良好的杀灭作用,且持效期长达天,不易产生抗药性,毒性低,环境相容性优良。

Three methods were compared,the results showed that the mothod——rceirculation fumigation under film through PH 3 dynamic deliquescence can reduce fumigation spaces effectively,save CO 2,control the moisture content losses of grain bulk,and the phosphide residue in grain were in accord with the national health standard,the effect of controlling stored-grain insects was obviously.

三种方法的对比试验表明,膜下动态潮解法,有效地减少了熏蒸空间,节省了CO2 ,控制了粮堆的水分散失,粮食中的磷化物残留量低于国家卫生标准,杀虫效果显著。

Any of various usually woody vines of the genus Derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons.

热带亚洲鱼藤属的任何一种木质藤本植物,其根产出一种属于杀虫物质的鱼藤酮;该属有几种植物当地用作鱼毒和箭毒的原料。

The four treatments,soaking in 30% H_2O_2 for 10min,soaking in 0.1M HNO_3 for 12h,ultrasonic stimulation for 10min and breaking coat in one side of the seed by cutting,were conducted to investigate the effects of breaking seed dormancy using three lines of towel gourd.

丝瓜具有丰富的营养价值,蛋白质、淀粉、钙、磷、铁及各种维生素的含量都比较高,同时还含有脂肪油和磷脂等;在医疗保健方面,具有清热化痰、凉血解毒、杀虫、通经络、行血脉、利尿和下乳等功效[1,2]。

Heptachlor epoxide was used as internal standard. Results The detection limit ranged from 0.2-15μgkg^(-1). The recoveries of most pesticides were good with the ranged of 70%-120% in 9 medicine crops.

结果 对48种中药材进行了检测;除敌敌畏、杀虫脒、磷丹及三唑磷外,其余农药的检测限都在0.2~15gkg^(-1)之间;以9种中药材为例检测,大部分农药的回收率在70%~120%之间。

As compared with the result of the leaching experiments that we did, the same conclusion can be obtained that at least, permethrin can be well adsorbed by the surface layer of soils in the fields, and it can be effective to termites in a relatively long term in the fields.

对照此前所做的室内淋溶实验结果,说明该复合剂的实际应用具有较高环境安全性和杀虫可靠性。

The paper discusses the present research and application of microbial insecticides and their prospect in China.

阐述了微生物杀虫剂研究开发的意义、杀虫机理、国内微生物杀虫剂的研究应用现状及其发展前景。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。