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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。
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separation system of securities
separation test
separation test for spacecrafts
separation theorem
separatist regime in the middle and late Tang Dynasty
Separatists
separative
separative element
separative family
separative number
separative partially ordered set
separative semigroup
separative work
separativity condition
separatography
separator
separator between sets
separator for heavy-ion reaction products
separator of a category
separator sampling
separatory funnel
separatrice
separatrix
separatrix cone
separatrix contour
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