例句
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The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
用红外光谱法测定了防蛀剂中对二氯苯和萘的含量.
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A sensitive chromogenic reagent , 2 - ( 4 - chloro - 2 - phosphophenylazo ) - 7 - ( 2,4 - dichlorophenylazo ) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid ( abbreviation : DC - CPA ), has been used in the spectrophotometric determination of bismu
研究了 2- ( 4-氯 -2- 膦酸基苯偶氮 ) -7- ( 2, 4- 二氯苯偶氮 ) -1, 8-二羟基-3, 6- 萘二磺酸 ( DC -CPA ) 与铋的显色反应.
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The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their application in biotechnology were reviewed.
对应用于生物工程的萘 、 芴 、 芘 、 蒽 、 苊等稠环芳烃衍生物作了概括介绍.