“urea herbicide”的概念、定义、翻译、参考文献-科学参考

单词	urea herbicide
释义	urea herbicide 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	Records of the Dead and the Living Records of the Eight-Five Manifestations of the Perfected Lord Xu of Mt.Xishan records of the emperor's good governance Records of the Grand Historian records of the grand history of China·biography of rich merchants records of the grand history of China · history of social and economic development Records of the Imperial Secretariat Records of the Investigations of Things Records of the Karmic Effect Records of the Pure Registers of the Cavern Heaven records of the scene investigation Records of the Search for Divinities Records of the Sounds Made Breathing on a Sword-guard Records of the Three Treasures Throughtout the Successive Dynasties Records of the Torch: Anti-Qing Fights of Southern Ming records of the War of Resistance Against Japanese Aggression records of the weather every two hours Records of the Zunjingge Records of Thoughtful Differentiation of Materia Medica Records of Wanshou Taoist Temple in Xiaoyao Mountain records of water conservancy Records of Water Conservancy on the Yellow River during the Zhizheng Era Records of Water Control in The Capital Area Records of Waterways in the Western Region Records of Words and Deeds of Eminent Officials of Song Dynasty

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