查询词典 hydroxy-phenyl-acetic acid

In accordance with the process, the hydroxy carboxylic acid serves to temporarily transfer chlorine from and does not form a salt with the alkali metal salt of a chlorite ion.

根据本方法。羟基羧酸用作暂时转移氯，并且与亚氯酸根离子的碱金属盐不生成盐。

Mechanical exfoliants utilize scalp found in beta hydroxy acids know as salicylic acid, which is derived from real alba.

机械去角质剂采用取自真正白珠树叶的？氢氧基酸作用於头皮。？

This protective, moisture-boosting formula features a time-released liposome system of Alpha Hydroxy acid to smooth away fine lines.

具防护和强效保湿配方，含阿尔法羟酸作用于脂质体系统，使皮肤细滑、抚平皱纹。

The use of both an Alpha Hydroxy Acid and a skin moisturiser, Glycereth-26, in hand dishwashing detergents has been shown to have a positive effect on certain skin health parameters.

研究发现，在洗洁精中同时结合AHA果酸及甘油脂保湿因子，能加倍发挥保护皮肤的功效。

With polyoxyethylene nonyl phenol ethers (OP-10) as emulsifier and dodecyl benzene sulfonic acid as catalyst, hydroxy organosilicon microemulsion was prepared through octamethylcyclotetrasiloxane (D4) open-ring polymerization under certain conditions.

以壬基酚聚氧乙烯醚(OR-10)作乳化剂，十二烷基苯磺酸为催化剂，通过八甲基环四硅氧烷(D4)开环聚合，在一定条件下合成了端在基聚二甲基硅氧烷微乳液。

Bromooctane was synthesized from potassium bromide(by-product of synthesizing 2-hydroxy-4-octyloxybenzophenone) and n- octanol using concentrated sulfuric acid as a catalyst.

以生产2-羟基-4-正辛氧基二苯甲酮的副产物溴化钾和正辛醇为原料，浓硫酸为催化剂，合成了溴代正辛烷。

Benzyl bromide was synthesized from potassium bromide ,a by-product from synthesis of 2-hydroxy-4-n-octyloxybenzophenone(UV-531),and benzoic alcohol in the presence of concentrated sulfuric acid.

溴化钾作为工业生产2-羟基-4-正辛氧基二苯甲酮的副产品，在浓硫酸存在的条件下，与苯甲醇进行反应合成苄基溴。

L-Amino-2-bromo-4-hydroxy- anthraquinone could be obtained by coordinated hydroxylation of l-amino-2- bromo- anthraquinone, boric acid and the initiator potassium iodide or bromide with 97.5%yield and 99% purity.

在用HPLC跟踪溴氨酸的合成过程研究中发现，1-氨基蒽醌-2，4二磺酸在溴化过程中可转化为产物溴氨酸。

Kojic acid [2-hydroxmethyl-5-hydroxy-γ-pyrone] is a kind of metabolite produced by some microorganisms.

曲酸是微生物产生的一种具有抗菌作用的弱酸性代谢产物，自古存在于酱类与酒类的酿造中。

Benzyloxy benzoyldimethylsulfoxide was prepared by the reaction of ethyl 4-benzyloxybenzoate and dimethyl sulfoxide in the presence of sodium hydride, followed by Pummerer reaction with concentrated hydrochloric acid to afford eo-hydroxy-co-thio-methyl-(4/-benzyloxy) acetophenone, which reacted with urea, thiosemicarbazide, semicarbazide hydrochloride and o-phenylenediamine to give imidazolidine-2,4-dione, l,2,4-triazine-3- one and quinoxaline derivatives, respectively.

本文用4-苄氧基苯甲酸乙酯和二甲亚砜为原料，在氢化钠存在下反应，合成了(4′-苄氧基)-苯甲酰基-二甲亚砜。研究了该亚砜在浓盐酸的存在下发生的Pummerer重排反应，用重排产物ω-羟基-ω-甲硫基-(4′-苄氧基)-苯乙酮分别与尿素、氨基脲、氨基硫脲和邻苯二胺反应合成了2，4-咪唑啉-二酮、1，2，4-三嗪-3-酮、喹喔啉等含氮杂环化合物。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。