查询词典 bioassay

The preliminary bioassay showed that all compounds had certain fungicidal and insecticidal activities. The inhibition rates of compounds 5f and 5h were above 95% against Colle-totrichum gossypii at 100 mg/L, and the mortality rates of compounds 5g and 7d were above 85% against Tetranychus urticae at 250 mg/L.

初步生物活性测定结果表明，在试验浓度下，目标化合物均具有一定的杀虫和抑菌活性，其中化合物5f和5h在100 mg/L浓度下对炭疽病菌的抑制率达95%；化合物5g和7d在250 mg/L浓度下对棉红蜘蛛的致死率达85%。

The susceptible strain, the abamectin resistant strain and the high temperature tolerant strain from Tetranychus cinnabarinus were used to study cross tolerance to abamectin and high temperature using the methods of bioassay and fluorescent real time quantitative PCR.

以朱砂叶螨敏感种群、抗阿维菌素种群和耐高温种群为材料，应用生物测定方法以及荧光实时定量PCR技术，研究朱砂叶螨抗药性和耐高温间存在的交互耐性及机制。

The results of bioassay indicated: 1 The new compound (compound 6) and other three compounds (compound 1, 2 and 5) showed strong anti-HIV activity (EC50.064μg/ml), compound 3 and 4 showed less activity (EC50=6.18μg/ml and 12.85μg/ml respectively); Compound 5 and 6 showed weak cytotoxicity, and compound 1-4 showed moderate cytotoxicity; 2 Compound 5 and 6 were activated to all the four tested microbial; Compound 1, 2 and 13 were activated to all the three tested bacterial, but were unactivated to the tested fungi, Penicillium avellaneumUC-4376; One of the test bacterial, Staphylococcus aurues, seemed to be sensitive to all the eleven triterpenoids.

新化合物（化合物6）和化合物1、2、5具有强烈的体外抗HIV活性，其EC50值均小于0.064μg/ml，化合物3和4也具有抗HIV活性，但活性相对较弱，EC50值分别为6.18μg/ml和12.85μg/ml；化合物1-6都具有一定的细胞毒性，且化合物5和6的细胞毒性明显弱于化合物1-4的。 2）新化合物（化合物6）和化合物5对所有四种试验菌都有一定的活性；化合物1 、2和13对三种细菌均有一定的活性，但对真菌橙色青霉UC-4367（Penicillium avellaneum UC-4376）无活性；金黄色葡萄球菌对所有11个三萜都较为敏感。

The has been studied. Radix isatidis, a Chinese medicinal preparation used commonly , effectively in clinical and unclarified in active substance, was chosen as a model to be studied. Based on the concept of production quality control, considering the features of TCM itself, the process of TCM preparation, especially the heating process has been studied. The physico-chemical properties assay, chemical analysis and bioassay, also the bio-thermal activity had been applied in this study.

根据药物生产质量控制理念，结合中药的特点，本文选取临床常用、疗效确切但药效物质基础不清的板蓝根为研究载体，以中药制剂过程单元操作特别是加热过程质量控制为主要着力点和切入点，在常规理化检测和化学组分分析的基础上，引入生物活性检测，探索建立基于理化—生物关联检测的中药生产过程质量控制模式和方法，以期为中药生产中原料药、半成品和成品实现全程质量控制提供技术支持。

The bioassay indicated that some of them possess certain fungicidal activity against Botrytis cinerea, Gibberlla zeae, Rhizoctonia solani, Venturia nashicola at a dose of 50 μg/mL. The EC50 value of title compounds B-8、B-9、B-10、B-12 was reached 1.0, 0.2, 1.2 and 0.4 μg/mL against B. cinerea, the effect was approximated or better than pyrimethail and EC50 value of title compounds B-8, B-10, B-11 was reached 0.07, 0.2 and 0.05 μg/mL against G. zeae, the effect was better than carbendazim.

在50μg/mL浓度时，该系列化合物对番茄灰霉病菌Botrytis cinerea、小麦赤霉病菌Gibberlla zeae、水稻纹枯病菌Rhizoctoniasolani、梨黑星病菌Venturia nashicola菌丝生长均具有很好的抑制活性，其中化合物B-8、B-9、B-10、B-12对番茄灰霉病菌的EC50值分别为1.0、0.2、1.2、0.4μg/mL，接近或优于对照药剂嘧霉胺，B-8、B-10、B-11对小麦赤霉病菌的EC50值分别为0.07、0.2、0.05μg/mL，优于对照药剂多菌灵。

The bioassay results showed that the quaternary ammonium salt had a good intihtion against typical microorganisms such as heterotrophic bacteria,ammonifying bacteria,denitrifying bacteria and nitrosation bacteria with its inhibition rate was above 90%. Inhibition of the quaternary ammonium salt to fungi and sulfate reducting bacteria was above 85% after 30 min. Inhibition of the quaternary ammonium salt to black mold was about 84% after 30 min,and the to algae was totally inhibited after 24 h.

高分子抗菌杀生剂的抗菌灭藻性能的检测结果表明，作用30 min对贵阳市雅河水中的异养菌、氨化细菌、反硝化细菌、亚硝化细菌的杀菌率在90%以上，真菌、硫酸盐还原菌的杀菌率在85%以上；对黑曲霉的杀菌率在84%，其作用24 h可将小球藻基本杀灭。

By means of mycelium growth rate, cup plate method and organize method, the antimicrobial activity of bioassay was studied. The stability of the fermentation broths in different conditions was measured.

采用菌丝生长速率法、管碟法和活体组织法测定发酵液的抑菌活性，在不同条件下测定发酵液的稳定性，捷克溶剂系统纸层析法鉴别发酵液中抗生素类型。

Bidentis were studied by adopting indoor bioassay. The results showed that the volatile matter of F. bidentis had not allelopathy to four receptor plants. The eluviated matter inhibited seedling growth of cotton obviously, the inhibition ratio of root and stem were 6.29% and 10.42% respectively. The aqueous extract of litterfall and root exudates had different inhibition to four receptor plants, The synthesis effectof all treatments was significantly greater than eluviated matter treatment except for B3 of the aqueous extract of root exudates, such as the synthesis effect of all treatments (A1, A2, A3, B1, B2, B3 and eluviation) were 44.74, 29.37, 14.5, 31.54, 16.52, 3.55, 1.48 respectively.

结果显示：黄顶菊自然挥发物对受体植物不表现化感作用；黄顶菊淋溶物对棉花幼苗生长表现出明显的抑制作用，对棉花幼苗高度和根长的抑制率分别为6.29%和10.42%；黄顶菊枯落物浸提液和根系分泌物浸提液对4种受体植物均表现出不同程度的抑制作用，除了黄顶菊根系分泌物浸提液 B3处理外，其它处理的综合效应均显著大于淋溶物处理，如黄顶菊枯落物浸提液（ A1、 A2、 A3）、根系分泌物浸提液（ B1、 B2、 B3）以及淋溶物等各处理对受体植物的综合效应分别为44.74、29.37、14.5、31.54、16.52、3.55、1.48。

Bioassay and physiological experiment were adopted to explore the allelopathic effect and mechanism of cotton on several plant receptors.

本文采用室内生测和生理试验的研究方法，以多种受体植物为研究对象，探讨棉花的化感作用和作用机理。

This is the first investigation with bioassay of components of the gland in a bird species.

这也是国内第一次将最终断定的高级动物信息素分子发表在国际专业杂志上。

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。