Clethodim is one of cyclohexanone herbicide with good herbicidal activity.
烯草酮是一种具有优良除草活性的环己二酮类除草剂。
The herbicidal activity on dicotyledon weeds is better than on monocotyledon weeds.
对双子叶杂草的活性明显优于对单子叶杂草的活性。
These compounds with novel structure are good at the herbicidal activity and novel in the action mechanism.
这些化合物具有新颖的化学结构、新奇的作用机理以及良好的除草活性。
The results show that herbicidal activity is closely related to the steric and electronic properties of the 5-position of the benzene ring.
结果表明，此类磺酰脲类化合物的除草活性与苯环5位取代基的立体结构和电场性质密切相关。
Electron - withdrawing 2 - substituents and electron - donating 3 - substituents of the phenyl ring are favorable for increased herbicidal activity.
苯环2位是拉电子基，3位是给电子基有利于提高除草活性。
This study will provide assistance and guidance to further understand molecular structure of sulfonylurea and its herbicidal activity and to design new compounds.
该研究为进一步理解磺酰脲类的分子结构、药物活性并设计新的分子提供了帮助和指导。
The biological activities of partial imidazolones were studied. The results showed that they did not exhibit obviously herbicidal activity but fungicidal activity.
研究了部分咪唑啉酮化合物的生物活性，结果表明此类化合物均未表现出明显的除草活性，但表现出抑菌活性。
Als inhibitor not only shows high herbicidal activity, but also is very safe to human and animal. In recent years, study on als inhibitor is always the hot topic in herbicide develop.
ALS抑制剂不仅具有超高除草活性，而且这类除草剂对人和动物十分安全，近年来，ALS抑制剂的研究一直是除草剂开发中的热点。
Als inhibitor not only shows high herbicidal activity, but also is very safe to human and animal. In recent years, study on als inhibitor is always the hot topic in herbicide develop.
ALS抑制剂不仅具有超高除草活性，而且这类除草剂对人和动物十分安全，近年来，ALS抑制剂的研究一直是除草剂开发中的热点。
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