查询词典 herbicidal

All the compounds showed much weaker herbicidal activity than BCPT itself.

其苗后除草活性测定结果表明，所有化合物的活性都远低于BCPT本身。

The article summarizes the biological function and enzymology of protoporphyrinogen oxidase, site of action and mode of action of inhibitors of this class, their herbicidal effects, relationship of structure and activity, and weed resistance of PPO inhibitor

概述了原卟啉原氧化酶的生理功能和酶学特征，该类抑制剂的作用位点和作用方式，除草效果，构效关系研究及该类抑制剂的杂草抗性等问

The structures of the target compounds were confirmed by MS, IR, 1H NMR spectra, and elemental analysis. The preliminary biological tests show that some of the target compounds have certain herbicidal activities.

通过元素分析， 1H NMR， IR 和MS确定化合物的结构，初步生物活性测试表明标题化合物具有一定的除草活性。

The experiments in the herbicidal activity inhibiting bacteria activity and promoting animal growth activity of these novel compounds are also first studied.

分析结果显示两个反应体系中分别含有16种和17种成分。依据有关反应理论和质谱等波谱学理论，解析了33种成分的结构。

The final compounds structures were characterised by 1HNMR, elemental analysis and IR as well. Herbicidal activity of the compounds was evaluated both in vitro and in vivo. The results showed that most of them had good biological activities.

设计合成了一系列新化合物，合成得到38个中间体，均得到了1H核磁共振证实；14个目标化合物，全部通过了1H核磁共振和元素分析的证实，部分化合物还得到了红外光谱的验证。

On the other hand, compounds II showed good herbicidal activity against the root of Barnyard grail and stimulated the growth of its stem.

其中，尤其I、和I刁及I08在100ppm 浓度下对油菜茎的促进作用明显，I－03和I－04在100ppm浓度下对稗草根表现出好的抑制活性。

Herbicidal activities of selected sulfonylureas and the crystallization of monosulfuron with Arabidopsis thaliana AHAS catalytic subunit were studied.

随着当今环境问题加剧和人类可持续发展的需要，超高效低毒环保农药将更加受到世人的重视。

Preliminary bioassay showed that all the synthesized compounds just showed a poor inhibition rate (0~45%) at 500 mg/L, much weaker than (72%~87%). The result suggested that chloro-atom on 2-position of pyridine ring may be indispensable for herbicidal activity.

初步除草活性测定结果表明，在500mg/L剂量下，所有化合物的除草活性（抑制率0~45%）远低于先导化合物（抑制率72%~87%），说明吡啶环2-位上的氯原子可能对维持该类化合物的除草活性是必需的。

Among 17 compounds, some showed favourable herbicidal activities on rape (inhibition rate 70.8%) and barnygrass (inhibition rate 48.8%) in greenhouse tests.

在合成的17个化合物中，发现个别化合物对油菜（抑制率70.8%）和稗草（抑制率48.8%）具有较好的生长抑制活性。

Mylabris phalerata, Meloidae family of Coleoptera, has been known since antiquity to produce a potent toxic defensive agent, known as cantharidin (exo,exo-2,3-dimethyl-7-oxabicyclo [2.2.1] heptane-2,3- dicarboxylic anhydride), but well-known as Spanish Fly. In the past, Cantharidin has used as anticancer, herbicidal, pesticide and treatment of hepatic carcinoma and molluscum contagiosum activities.

斑蝥为翘翅目芫青科斑芫青属的昆虫，主要成分为斑蝥素(Cantharidin； exo，exo-2，3-Dimethyl- 7-oxabicyclo [2，2，1] heptane-2，3-dicarboxylic anhydride)，研究中指出斑蝥素具有发泡、抗肿瘤的作用，或当作除草剂、杀虫剂、毛发生长刺激剂，目前临床上则用於治疗原发性肝癌及传染性疣。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。