dihydroxy

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 bismuth.

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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Acute, sublethal and chronic toxicity of two representative intermediates of anthraquinone dyestuffs, 1,8-dihydroxy anthraquinone ( 1,8-dihAQ) and 1-amino anthraquinone ( 1-aAQ), to Daphnia magna were assessed.

实验研究了两种代表性蒽醌染料中间体（1,8-二羟基蒽醌（1,8-dihAQ）和1-氨基蒽醌（1-aAQ））对大型溞（Daphnia magna）的急性、亚致死性及慢性毒性效应。

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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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Study on Measurement of Serum 1,25-Dihydroxy Chole-calciferol ( DHCC) and the Mechanism of the Osseous Metabolism Disease

骨代谢病乳牛血中1，25－二羟胆钙化醇（DHCC）含量的测定及发病机理研究

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Significant increases in both 25-hydroxy and 1, 25-dihydroxy-vitamin D levels were seen after hemodialysis mode conversion.

羟基 维生素D和 1, 25二羟维生素D3水平在血液透析模式转换后都显著上升.

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DHDMEU ( 4, 5-dihydroxy-1 , 3-dimethyl ethylene urea )

4, 5- 二羟基 -1, 3- 二甲基乙烯脲 ( 无甲醛交联整理剂 )

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Improvement of the synthetic process of medical intermediate of 3,4-dihydroxy-5-methoxy methyl benzoate

医药中间体3,4-二羟基-5-甲氧基苯甲酸甲酯的合成工艺改进

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