例句
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Lutein and zeaxanthin are both dihydroxy - carotenoids with the ionone ring systems distributed widely in nature.
叶黄素和玉米黄质是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.
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Lutein is dihydroxy - carotenoids with the ionone ring systems distributed widely in nature.
叶黄素是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.
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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 results indicated that carbon black could promote the hydrogen transfer from tetralin to anthracene.
结果表明,炭黑可以明显地促进四氢萘到蒽的氢转移反应.
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The feasibility that the concentration of anthracene can be determined by thermal lens technique.
讨论了热透镜技术对紫外光作用下能产生荧光的物质多环芳烃蒽的检测.
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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.