毒性

Hopefully, after accomplishment of this project, most volatile and major nonvolatile ingredients of nutria gland will be idntified and the toxicity will be clarified.

本计画完成后将可鉴定北美巨水鼠腺体大部分挥发性成分及主要非挥发性成分之结构，碓定河狸香之动物毒性。

This paper chose Carbendazim, Daconil, Imidacloprid and Methomyl as experiment objects, determined their influence to soil respiration of field, shed and school using obturate direct absorb method; discussed not only the variety of soil respiration under different pesticide's sorts, concentration and soil conditions but also the relationship between soil respiration and the variety of bacteria number in soil; confirmed the toxicity grade and dangerous index; provided an scientific basis for environment safety evaluation of pesticide's using.

因此，本论文选取多菌灵、百菌清、吡虫啉、万灵为受试农药，用密闭直接吸收法测定了农药对三种土壤（农田土、大棚土和校园土）呼吸作用的影响；讨论了农药种类、浓度、土壤条件的改变引起的土壤呼吸作用强度的变化及土壤呼吸量与土壤中细菌数量变化的关系；确定了农药的毒性等级和危害系数，为农药使用的环境安全性评价提供科学依据。

II METHOD1 chose one of 3A level hospitals dentistry to carry through sanitation quality investigation of the dental diagnosis and treat instruments. Examined appliance include air turbine dental handpieces, punch-pin, odontoscope, bougie, tweezer, flex-tray that were so common used by dentists and daubed the inside or outside surface of the dental appliance and collected it; Examined targets were HBsAg, HBeAg and HBV-DNA (detected it with molecule spot cross method).2 make good use of the air turbine dental handpieces bracket jack which was all available in every china hospital dentistry and design outside shape and inside structure of the binary disinfectant-box for the air turbine dentalhandpieces.

二 方法 1 选取本市某所三甲医院口腔科使用的牙钻手机、车针、口镜、探针、镊子及弯盘6种常用诊疗器具行涂抹采样；检测指标为HBsAg、HBeAg、HBV-DNA；检测方法为HBsAg和HBeAg采用ELISA法，HBV-DNA为斑点杂交法； 2 充分考虑、利用现有牙钻手机支架插孔，设计牙钻手机二元消毒盒外形及内部构造；选定高效消毒剂戊二醛为消毒盒消毒腔内应用消毒液，其消毒效果及毒性鉴定试验参照卫生部消毒技术规范执行。

Most of the compatibilizers in using with polypropylene extrusion grafting are usually poisonous, unsteady, odoriferous and big loss of strength of the PP resin. In view of these defects,a kind of high activity compatilizer was prepared with the method of bulk graft copolymerization.

本文针对目前聚丙烯挤出接枝相容剂毒性大、气味大、质量不稳定、强度损失大等问题，采用本体接枝共聚方法，研制一种高活性PP相容剂。

But also to avoid other switch oil, gas leakage and toxicity issues.

而且还避免了其他开关的油、气体泄露和毒性问题。

Methods Making 20% bleaching water solution by using 10% CP with Carbopol or PVP as carriers and 10% Opalescence. Experiment rats were perfused the bleaching solution by 5ml/kg via oral route continually for seven days, control rats were perfused distilled water according to equal standard, then combine clinical signs, food utilization rate and pathology to evaluate the short term systemic toxicity of the lab rats.

将以卡波姆或聚乙烯吡咯烷酮为增稠载体的10％CP和10%Opalescence漂白凝胶制备成20%的水溶液，实验组白鼠按5ml/kg经口途径给服，对照组按同等标准给服等量蒸馏水，持续7天，通过临床体征、食物利用率、体重相对增长率以及病理表现来评价受试材料的短期全身毒性。

objectiveto evaluate short term systemic toxicity of cp bleaching agents with different carriers, and to compare the result with commercial bleaching gels of the same kinds.methodsmaking 20% bleaching water solution by using 10% cp with carbopol or pvp as carriers and 10% opalescence.

目的：评价不同增稠载体过氧化脲（carbamide peroxide，cp）漂白剂的短期全身毒性，并与同类商品漂白剂进行比较。

Results: The optical density value of formazan directly correlated with the number of tumor cell and TIL.

本研究应用 MTT法检测化疗药物对肿瘤细胞的杀伤性和对 TIL的毒性，探讨 MTT法应

Skin Contact Low order of toxicity.

低毒性。频繁或长期接触可能造成皮肤刺痛，以及接触性皮炎。

The Cowpea Trypsin Inhibitor gene is one of insect-resistant gene which assumed noxiousness to many insects, such as Lepidoptera, Coleoptera and Orthoptera.

豇豆胰蛋白酶抑制基因具有广谱抗虫性，对包括鳞翅目、鞘翅目及直翅目的许多昆虫有毒性。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。