hydroxy

Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.

方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.

Proteolytic enzymes catalyze oligomerization of the. alpha . - hydroxy carboxylic acid and . alpha . - amino acid.

蛋白水解酶催化α - 羟基羧酸和α - 氨基酸的低聚化.

In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - diphenyl - 3 - cyclopentene - 1 - one.

报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.

METHODS 3 - hydroxy estrogen reacted with dimethyl sulfate in acetone in the presence of potassium carbonate.

方法以含 3- 酚羟基的雌激素类化合物为原料,丙酮为溶剂,在碳酸钾存在下与硫酸二甲醋反应.

Study on the synthesis of 2 - diethylamino - 6 - methyl - 4 - hydroxy pyrimidine.

二乙氨基 -6- 甲基 -4- 羟基嘧啶的合成研究.

Production 1,2 hydroxy beta 4 - formic acid, a beta consignment sales produced products.

生产1、4-二羟基萘甲酸 、 甲萘醌,销售自产产品.

The novel - flocculant poly - nucleate aluminum hydroxy silicate - sulphate ( PASS ) was prepared and polysilicic acid under non - high shear condition.

在非高剪切力条件下,将硫酸铝引入到聚合硅酸中合成了新型聚硅酸硫酸铝 ( PASS ) 絮凝剂.

The research on producing 10 - hydroxy decanoic acid by alkaline scission of ricinoleic acid is reviewed.

综述了碱热解蓖麻油酸合成10- 羟基 癸酸的开发研究进展.

AIM To study the antioxidant activity of 2 - ethyl - 3 - hydroxy - 6 - phenylthio - 4 ( 1 H ) - pyridone ( HPP ).

目的　研究2乙基3 羟基 6苯硫基4 ( 1H ) 吡啶酮 ( HPP ) 的抗氧化作用.

Wipe dry with facial cotton and apply Alpha Hydroxy Serum Plus.

以湿的卸妆棉抹净双眼,最后涂上特效果酸活肤精华液.

In this article, deformation behaviour was studied for an aromatic copolyester fibre con - taining p - hydroxybenzonic acid ( HBA ) and 2 - hydroxy - 6 - naphthaoic acid ( HNA ).

本文研究了对羟基苯甲酸 ( HBA ) 与 2— 羟基 — 6—萘甲酸 ( HNA ) 共聚酯纤维的轴压缩变形行为.

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.

The effect of cobalt and nickel p - hydroxy benzoates on the adhesion between NRand brass was studied.

研究了对羟基苯甲酸钴和对羟基苯甲酸镍对天然橡胶与黄铜粘合的影响.

Mimosine could be changed into another toxin 3 - hydroxy - ( 1 H ) pyridone ( DHP ) in the rumen.

含羞草素可在反刍家畜瘤胃内转变为另一毒素 3- 羟基 -4 ( 1氢 ) 吡啶酮 ( DHP ).

The catalysis follows a hydroxy radical pathway.

这种催化作用遵循羟基自由基途径.