查询词典 bioassay

Aim To study the role of phenylalanine in morphiceptin by in vitro bioassay.

目的 通过离体活性实验来研究morphiceptin中苯丙氨酸的角色。

Ten insecticidal constituents of T. wilfordii were isolated by means of phytochemistry combined with bioassay method.

采用生物活性追踪和化学分离相结合的方法，对雷公藤根皮中的杀虫活性成分进行了系统的研究。

Synergism of tebufenozide combined with Autographa californica nuclear polyhedrosis virus against Spodoptera exigua was studied by bioassay in laboratory.

研究了以甜菜夜蛾为靶标害虫时，昆虫生长调节剂虫酰肼对苜蓿银纹夜蛾核型多角体病毒的增效作用。

The evaluation of the joint toxicity of Cd and Zn was carried out based on the principle of the additive index of aquatic toxicological effects, and LC50 was obtained with the SPSS 11.5 software package by probit analysis of the bioassay.

在此基础上，根据水生毒理联合效应指数相加法原理，利用生物测定计数型机值分析得到毒性单位浓度LC50值进行判断。

Objective To observe the efficacy of pyrethrin aerosol against mosquitoes and flies by bioassay test.

目的 通过生物测试，观察除虫菊素杀虫气雾剂对蚊蝇的药效。

And Cucumis sativus L. were tested by bioassay-guided separation. The extracts from P. tomentosa flower with ethanol were extracted with petroleum ether, ethyl acetate and n-butanol. The inhibition rate of the ethyl acetate extract to growth of the 3 kinds of plant radicel were 99.89%, 63.53% and 32.74% respectively at 0.5 mg/mL concentration, and that of petroleum ether were 76.30%, 56.17% and 23.36%.

绒叶泡桐Paulownia tomentosa花乙醇提取物依次用石油醚、乙酸乙酯、正丁醇和水萃取后进行活性测定，结果表明，石油醚萃取物在浓度为0.5mg/mL时，对反枝苋、生菜和黄瓜种子胚根生长的抑制率分别为76.30%、56.17%和23.36%；乙酸乙酯萃取物在浓度为0.5mg/mL时，对反枝苋、生菜和黄瓜种子胚根生长的抑制率分别为99.89%、63.53%和32.74%。

Preliminary bioassay indicates that some compounds display herbicidal activity and excellent fungicidal activity to some extent, and among them the compounds 5k and 8f exhibit higher than 90% inhibition effect against Rhizoctonia solani in dosage of 50 mg/L.

初步的生物活性测试结果表明，所合成的化合物均表现出不同程度的除草及杀菌活性，其中化合物5k和8f的活性最好，在50mg/L浓度下对水稻纹枯病菌的抑制率达90%以上。

A nematicidal sesquiterpene was isolated from the ethyl acetate extract of Michelia hedyosperma Law according to bioassay-guided fractionation.

根据活性追踪分离，从香子含笑叶的乙酸乙酯提取物中分离纯化到一个杀线虫的倍半萜。

Bioassay in vitro revealed that the EC50 values of compounds 1 and 2 against sporangium germination of P. litchii were 100.28 mgmL^(-1) and 124.37mgmL^(-1), respectively.

离体抗菌活性测定化合物1和化合物2抑制荔枝霜疫霉菌孢子囊萌发的EC50分别为100.28mgmL^(-1)和124.37mgmL^(-1)。

Chronic bioassay tests indicate sublethal effects, such as changes in growth or reproduction of the organism over a longer period of time.

长期生物测试得出的是亚致死效果，例如在较长时期内生物体生长或繁殖上的变化。

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。