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- Toxicity index = AL strain LD50/ Susceptible strain LD50 . 相对毒力指数为阿拉尔棉铃虫LD50/内地敏感品系LD50。
- Meanwhile, V_(max) values were approximately four times as high for DDVP-R compared with the susceptible strain. 同时,DDVP-R品系中V_(max)大约是敏感品系的4倍,说明该抗性品系中GSTs对GSH的亲和力虽然下降,但是其可以通过V_(max)的提高来弥补亲和力下降所造成的损失。
- Resistance ratio(RR) is calculated based on the baseline data tested with Taihu susceptible strain. 抗性倍数以太湖敏感品系为对照计算获得。
- Abstract: In order to study the toxicological mechanism of tebufenzide, we raised poisonous diet to the larvae and adults of Wuhan susceptible strain of Spodoptera exigua. 摘要:为了解虫酰肼对甜菜夜蛾的作用机理,以较低剂量分别对甜菜夜蛾敏感品系幼虫和成虫进行饲毒处理,观察其对甜菜夜蛾子代种群的影响。
- Using real-time quantitative PCR, mRNA expression levels of CYP6AE12 and CYP9A18 were compared between the resistant strain YS-FP (derived from a susceptible strain YS through laboratory selection) and the YS strain respectively. 用实时定量PCR技术分析了这2个基因在棉铃虫YS敏感品系和YS-FP抗性品系(由氰戊菊酯加辛硫磷混剂筛选YS品系而得)6龄幼虫脂肪体和中肠中mRNA的表达水平。
- The resistant strain possessed 0.62 of the fitness value relative to DT strain (the same source as DTR strain without indoor insecticide selection), and 0.35 to YSS strain (the relative susceptible strain). DT、SR、RS及DTR品系净增殖率分别为103.;0、207
- The results showed that the resistant rates to DDVP, acetofenate, propoxur, deltamethrin and permethrin were 5 35,1 69,4 73,4 8,2 79 fold respectively, as compared with Shanghai susceptible strain. 结果表明西湖区种群对DDVP、三氯杀虫酯、残杀威、溴氰菊酯、氯菊酯的抗性分别是上海敏感品系的 5 35、 1 6 9、 4 73、 4 8、 2 6 5倍。
- Results SSCP pattern of H37RV strain as control,SSCP pattern of rPOB,rpsL PCR amplification from drug susceptible strains were all the same as control. specificity was 100%. 近年来随着分子生物学的进展人们对抗结核分枝杆菌的药理作用位点和结核分枝杆菌耐药机制,尤其是耐异烟肼、利福平和链霉素。
- Objective To test toxicities of several insecticides on susceptible strains of Musca domestica and Blattella germanica in the laboratory. 目的研究室内条件下,几种杀虫剂对家蝇及德国小蠊敏感品系的毒力。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Similarly,11 strains of L. decolor, showed less than 5% mortality at the discriminating dose. Strain GDMMLd1 showed the highest resistance with 0 mortality at the DD, while one apparently susceptible strain was detected:YNQJLd1 with 100% mortality. 无色书虱13个品系采自9个省,11个品系的死亡率小于5%25,其中广东茂名GDMMLd1品系为0,云南曲靖YNQJLd1品系为100%25;
- There were 8.18%(36/440) of medicinal herbs which have inhibitive effects on staphylococcus susceptive strain, 11.82%(... 可以认为贵州中草药中有部分药物对金黄色葡萄球菌(敏感株和耐药株)及大肠杆菌有明显的抑制和杀灭作用。
- To compare with the susceptible strains,the resistance raties were 8. 95 times,7. 45 times,1. 56 times,1. 75 times and 1. 92 times respectively. The resistance of DDVP was the highest. 抗性倍数分别为8.;95倍、7
- The plant is not susceptible to disease. 这种植物不容易受病害侵袭。
- Is your statement susceptible of proof? 你的说法能加以证实吗?
- He finally break down under the four-hour's strain. 在四小时的压力下他终于支持不了。
- This agreement is not susceptible to alteration. 这一协议不容更改。
- Paying all the bills is a strain on my resources. 支付所有这些费用是我经济上的一大负担。
- Her speech continued in the same dismal strain. 她以悲伤的语调接著往下说。