除虫

The pyrethrin insecticides had lower toxicities to this insects, and the the corrected mortality of avermectin and the chitin synthesis inhibitors is lower than 40%, which's dose is 50 mg/kg.

微生物源杀虫剂阿维菌素和几丁质合成抑剂灭幼脲、杀铃脲和除虫脲对细胸金针虫幼虫的毒力较低，在剂量为50mg/kg土时，其校正死亡率均在40%以下。

There is a serious drug-resistant problem, resulted from a flood of usage of pyrethrum ester insecticide in long-term. In this paper, we analyzed the problem and put forward a project for trying solution it.

本文针对拟除虫菊酯类杀虫剂由于长期大量的使用而出现的严重抗药性问题进行了分析并提出一个试图解决该问题的方案。

Coccineum, which are sources of the insecticide pyrethrum.

婆罗门参的根部可以食用，菊苣可以作为咖啡的替代品，莴苣，白花除虫菊以及红花除虫菊是很好的除虫剂的来源。

When quarantine authorities find lice on the means of transport from the epidemic area of typhus or relapsing fever, they shall gather specimens for examination and eliminate the insects.

第三十八条检疫机关在来自斑疹伤寒或回归热流行区的交通工具上发现有虱子时，应当采集标本检验并进行除虫。

The present study was undertaken to explore the effect of DM and/or PM on EAA to provide some scientific basis for the thorough revealment of excitatory neurotoxic mechanism of pyrethroids as well as for the prevention and treatment of poisoning by pyrethroids.

本文旨在研究溴氰菊酯和氯菊酯对以谷氨酸为代表的兴奋性氨基酸的影响，为彻底探讨拟除虫菊酯类农药的神经毒作用机理，为拟除虫菊酯中毒的预防和治疗提供科学依据。

Toxic effects of twelve pesticides（abamectin, endosulfan, diflubenzuron, danitol, tricyclazole, fluroxypyr, imazalil, tebuconazole, sulfapyridine, sulfamethoxazole, sulfamethazine and sulfadiazine）at low concentration（0.01mg·L-1） on the development of sea urchinembryos were investigated in this work, and the correlation between n-octanol/water partition coefficientand relative lethality rate was investigated.

为了研究低浓度下农药对海胆胚胎的毒性影响，以及正辛醇/水分配系数与致死率的关系，实验研究了12种常见农药（阿维菌素、硫丹、除虫脲、甲氰菊酯、三环唑、使它隆、抑霉唑、戊唑醇、磺胺吡啶、磺胺甲噁唑、磺胺二甲嘧啶和磺胺嘧啶）在低浓度（0.01mg.L-1）下对光棘球海胆胚胎发育的急性毒性影响。

Once he is defeated, the Bugdom will return to the peaceful place it used to be.

一旦他被打败， Bugdom 将返回和平。你是 Rollie McFly，惟一剩余有能力除虫和恢复和平。。

In pyrethroid insecticides mostof formations are emulsifiable concentrates and the concentration of organicsolvent is high.

拟除虫菊酯类农药因其高效、低毒的特点，在我国杀虫剂中占有举足轻重的地位。

Halophytic vegetation ; vegetation and pesticide ; nuisanceless food ; chemical pesticide

盐生植物；除虫杀菌剂；无公害食品；化学农药

Limonin and nomolin from citrus fruits could be obtained to use No.2 solvent extracting in water bath for 60 minutes at 50℃, and identified and determined by TLC and HPLC effectively. The recovery of two components were 90.4% and 91.1% respectively. The HPLC analysis system included: C18 column (4.3mm ×25cm), the elution with methanol : acet...

柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的明显效应问，越来越受到人们的重视，所以，在功能食品、保健品以及

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失