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微生物

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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

While adding F468, it took 15 days and 10 days for the dead rate of Ascaris eggs and the number of Fecal coliforms to reach the national standard, respectively.

加入F468后,蛔虫卵和粪肠杆菌达到我国无害化标准的时间分别需要15 d和10 d,均比不加微生物提前10 d达到我国无害化标准。

The effects of phoxim on the microbial community amount and the growth of ascendent bacteria, funguses and actinomyces in soil at 200-1 000 mg/kg three different concentrations were studied by indoor culture method.

采用室内培养法研究了土壤中200~1000mg/kg三种不同质量分数的辛硫磷对好氧性细菌、真菌和放线菌三大主要微生物种群数量及其优势菌生长速率的影响。

This paper reviews the progresses on the biosynthetic gene clusters of nature products from the symbiotic bacteria including marine sponge, ascidian, bryozoan, deep-sea tube worm and deep-sea sediments.

本文综述了来源于海绵、海鞘、苔藓虫、深海管状蠕虫和深海沉积物中共附生微生物天然产物生物合成基因簇的研究进展。

Asepsis: The state of being free of pathogenic microorganisms.

无菌,无感染:无病原体微生物的状态。

A study on the dynamics of soil bulk density,soil organic matter,soil microbes and other soil ecological factors under different human disturbance (logging and assart,logging but without assart,control)were conducted in the Ziwuling secondary forest area.

:对黄土高原陕西子午岭次生林区不同人为扰动条件下林地土壤容重、有机质、团聚体和微生物等进行了研究。

Using Floquet theory and small amplitude perturbation method, we prove thatthe microorganism-eradication periodic solution is asymptotically stable if the impulsive periodsatisfies some conditions.

利用Floquet理论和小振幅干扰的方法证明脉冲周期满足一定条件时,微生物灭绝周期解是渐近稳定的。

The need of crude oil and its products increase day by day at the present time.

本课题旨在通过一种新的方法来研究微生物降解石油废水。

To study the effects of air disinfection by four methods in cosmetic workshop,air was disinfected by ultraviolet rays irradiation, 40% formaldehyde fume , pentadialdchyde solution atomize and ozone gas generator, then efficiency of disinfection was evaluated by the petridish method after disinfected.

现阶段,紫外线法和甲醛法是化妆品车间进行常规空气消毒、防止产品感染的主要措施。1999年~2001年对两间化妆品厂的化妆品车间空气微生物污染状况的调查合格率分别为17.3%、13.7%和25.8%,空气消毒不合格是一个较突出的问题,影响了消毒工作质量的提高。

Exposure to foodborne and orofecal microbes versus airborne viruses in relation to atopy and allergic asthma: epidemiological study.

接触到食物和orofecal微生物银两空降病毒在有关过敏和过敏性哮喘:流行病学研究。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。