“脲类除草剂”的概念、定义、翻译、参考文献-科学参考

单词	脲类除草剂
释义	脲类除草剂 Encyclopedia 农学脲类除草剂释 urea herbicide脲类除草剂一类光合作用光系统PS Ⅱ电子传递抑制剂或细胞分裂抑制剂。结构式中R1一般为取代苯环或五六元杂环及稠合环，脂肪链组成的桥连环也可以，但以取代苯环居多；R2大多为氢；R3一般为短链的脂肪烷烃；R4一般为氢、短链的脂肪烃或烷氧基。
随便看	Yevgeny Aleksandrovich Yevtushenko Yevgeny Alexandrovich Mravinsky Yevgeny Bagrationovich Vakhtangov Yevgeny Fyodorovich Svetlanov Yevgeny Iosifovich Gabrilovich Yevgeny Ivanovich Shamurin Yevgeny Oskarovich Paton Yevgeny Petrov Yevgeny Viktorovich Vuchetich Yevgeny Yevgenyevich Lansere Yevsey Yevseyevich Moiseyenko Ye Wanwan Ye Wenfu yew family Ye Xian Yexian County Ancient Government Office Ye Xianggao Ye Xianzu Ye Xiaogang Ye Xiaoluan Ye Xiaowan Ye Xin Yexing Dao Ye Xiushan Ye Xuanan

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