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- Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine. 对其中部分化合物进行了生物活性实验,发现有些化合物显示了较好的活性,同时发现烷基取代基的引入可以提高除草活性。
- JS412 is a new imide compound with highly herbicidal activity. JS412是经过初筛具有较高除草活性的新化合物。
- SYP-300 showed good herbicidal activity to broad leaf weeds at 100 g a. SYP-300在温室条件下100ga.
- Here we evaluated perfectly HW02 herbicidal activity in greenhouse test. 通过试验对该药剂的室内除草活性进行了较系统的评价。
- 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。
- Phosphinothricin consists of two isomers, but only the L-enantiomer has herbicidal activity. 草铵膦具有两种对映异构体,但只有L-构型具有除草活性。
- 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。
- Effect of diflufenican mixed with MCPA-Na on herbicidal activity as well as differences between foliar treatment and soil treatment were studied. 在温室条件下;研究了吡氟草胺与2甲4氯钠盐混用的除草活性;以及60%25吡氟草胺.;2甲4氯WP茎叶处理与土壤处理的效果差异。
- Recent advances on the tetrazolone herbicide and the relationship between their structure and herbicidal activities are reviewed. 综述了四唑啉酮除草剂的研究进展,讨论了其结构和除草活性之间的构效关系。
- The results of interior herbicidal activity and crop safety test showed that SIOC0285 had good activity for weeds and higher safety for rice. 经过室内除草活性筛选和作物安全性评价后认为，SIOC0285具有较高的除草活性和水稻安全性。
- The preliminary herbicidal tests showed that some of the compounds exhibited herbicidal activity to Abutilon avicennae, Portulaca oleracea, Amaranthus spinosus at 150 g. 初步除草活性测试表明部分化合物在150g.
- Preliminary bioassay shows that most substituted pyrazolyl benzoxazole derivatives exhibit high herbicidal activity to the tested gramineous weeds and latifoliate weeds. 初步生物活性测试表明:所合成的取代吡唑基苯并恶唑衍生物大多数对禾本科杂草和阔叶杂草有很高的防效。
- The structure of the compounds were confired by 1H NMR, 1R,MS and elemental analysis.Most of the compounds have herbicidal properties.Some of them have a good herbicidal activity. 化合物经元素分析、红外光谱、核磁共振、质谱分析鉴定．其中有些新化合物具有很强的杀草活性。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- The preliminary bioassay showed that these compounds had good herbicidal activities against grass weeds. 初步生测结果表明，这些化合物对禾本科杂草有很好的除草活性。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The synthesis of tetrazolones and the influence of substituents on their herbicidal activities are summarized. 总结了四唑啉酮化合物的合成、取代基对母体除草活性的影响。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased. 芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物除草活性越低。
