甲氧滴滴涕是滴滴涕的结构类似物和替代物，是农药内分泌干扰物的一种。
Methoxychlor is a DDT substitute and one of endocrine-disrupting chemicals which heavily pollutes the environment.
对结构类似物阿维菌素B_1的交叉反应率为51％，与米比菌素肟化物的交叉反应率小于0.2％。
The cross reactivities for avermectin B_1 was 51% and for milbemycin oxime was less than 0.2%.
本文综述了谷胱甘肽及其相关酶系统在肿瘤多药耐药中的作用，介导多药耐药的可能机制以及谷胱甘肽类似物结构与转运活性的关系。
We introduced the effects on MDR, the possible mechanisms of glutathione and related enzymes, as well as the relationship between structure of GSH analogues and the transport activity in this paper.
本发明采用丹参素类似物与硝基结合，获得如上结构稳定的丹参素衍生物。
The Danshensu derivative with a stable structure as above is obtained by combining Danshensu analogue and nitryl.
目的通过对包甲素类似物nmr谱的分析，考察其结构差别对共振信号化学位移的影响。
Objective By analyzing the NMR spectra of analogs of Baogongteng a, tropane alkaloids, the effects of structural variations on chemical shifts of resonance signals were investigated.
合成了系列糖苷的双杂环化合物及含有糖结构的核苷类似物，培养单晶。
Series of glycosides have been designed and synthesized, and some of the sing crystals have been prepared.
所述的二乙三 胺五乙酸羧基活化酯或类似物具有以上结构。
The DTPA carboxyl active ester or the analog has the structure.
运用分析技术，如结构理想化、控制理论、电路和机械系统类似物来模拟宇航员执行任务。
Use analytical techniques such as structural idealizations, control theory, electrical circuit and mechanical system analogs to model astronaut performance.
主要对柠檬苦素类似物的结构、分析方法和生物活性等方面进行探讨。
The structure, analytical methodology and biological activities of limonoids are discussed in this paper.
后两个在生物学中很少使用，但它们像碱基的类似物一样—具有相同的核心分子，但是在结构上略有不同。
These last two are rarely used in biology, but they are like analogs for nucleobases — the same core molecule but structurally slightly different.
概述了新烟碱类似物的结构及其杀虫活性，对其合成方法做了简要介绍。
The progress on structure, insecticidal activity and synthesis method of neonicotine derivatives have been reviewed.
报道了一种新型结构的拟除虫菊酯类似物的合成以及杀虫活性试验。
A new chemical structure category of pyrethroids was synthesized. The tests in insecticidal activity was reported.
报道了一种新型结构的拟除虫菊酯类似物的合成以及杀虫活性试验。
A new chemical structure category of pyrethroids was synthesized. The tests in insecticidal activity was reported.
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