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permethrin
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permethrin
Encyclopedia
农学
拟除虫菊酯杀虫剂
释
permethrin
氯菊酯
一种拟除虫菊酯类杀虫剂。分子式:C21H20Cl2O3。化学名称:3-苯氧基苄基(1RS,3RS;1RS,3SR)-3-(2,2-二氯乙烯基)-2,2-二甲基环丙烷羧酸酯。又称二氯苯醚菊酯、除虫精、苄氯菊酯、克死诺、百灭灵、神杀、毕诺杀、闯入者。
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relative density
relative deprivation
relative de Rham cohomology groups
relative de Rham cohomology sheaves
relative derived functor
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relative efficiency
relative energy
relative energy distribution
relative energy saving ratio
relative entropy
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relative error
relative error of an approximation algorithm
relative extension
relative extremum
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