Through the copolymerization with hydroxy acid, PEG is endowed with gel system biodegradability;
将PEG通过与羟基酸共聚，赋予凝胶体系生物可降解性；
BHA, or beta hydroxy acid, is a form of salicylic acid and is used in some topical exfoliants to reverse signs of aging.
或者betahydroxy acid，是水杨酸的一种，被用在一些局部去角质产品中来扭转老化迹象。
The alpha hydroxy acid containing liposome was made by reverse phase evaporation method with high purity soya lecithin as synthetic material.
以高纯度大豆卵磷脂为包封材料，用反相蒸发法制备出果酸脂质体。
The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
Solid racemated methionine (DLM) and methionine hydroxy analogue free acid (MHA-FA) are two usual methionine additives.
固体消旋蛋氨酸(DLM)和蛋氨酸羟基类似物自由酸(MHA - FA)是两种常用的蛋氨酸添加剂。
This paper also discusses about the modification for the acid value of hydroxy in polyster.
文章还对聚酯羟值的酸值修正问题进行了探讨。
Metal cations ionized by the hydroxy-acid salt can inhibit the hydration expansion and hydration dispersion of the clay shale;
羟基酸盐电离出的金属阳离子能抑制泥页岩 的水化膨胀和水化分散；
A saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.
在催化剂、链支化剂存在下多元酸和多元醇直接熔融酯化、常压缩聚合成饱和羟基聚酯。
Vanillin is prepared by electrolytic oxidation of 4-hydroxy-3-methoxymandelic acid which is obtained by reaction of electrolytic solution of oxalic acid and guaiacol.
本文利用草酸的电解液合成了4-羟基-3-甲氧基扁桃酸，经进一步电解氧化合成了香兰素，获得了满意的结果。
A new reagent 1 (8 Aminoquinoline 5 azo) 8 hydroxy 3,6 naphthalenedisulfonic acid(AQHNA) was synthesized. The product was confirmed by elemental analysis and infrared spectra.
合成了1 （8氨基喹啉5偶氮） 8羟基3 ，6萘二磺酸（AQHNA） ，其结构经红外光谱和元素分析证实。
There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP).
羟基乙叉二膦酸酸洗后预膜液的选择较少有人研究，而适当的预膜钝化是防止酸洗后金属表面返锈的必要措施。
Tetraacetyl glucosyl ester of 1 hydroxy 2 naphthoic acid was synthesized by PTC method and confirmed by IR, 1HNMR, MS and elemental analysis.
采用相转移催化法合成了1羟基2萘甲酸四乙酰葡萄糖酯，并进行了IR、1HNMR、MS和元素分析，证明了其结构。
The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.
腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
A new synthetic method glyceryl monolaurate(GML) from glycerin and lauric acid via protected hydroxy groups by boric acid was studied.
研究了以甘油、月桂酸为原料，用硼酸保护羟基进行酯化反应合成甘油单月桂酸酯的新方法。
This paper studies the synthesis of the Philippines from 9-hydroxy fluorene -9 - formic acid to its bromide process.
本文研究了由菲醌合成9-羟基芴-9-甲酸到其溴代的过程。
The phenolic acids used were vanillic acid, vanillin and P-hydroxy benzoic acids for studying the effects of phenolic acids on the growth and activities of protective enzymes of muskmelon.
以嫁接在云南黑籽南瓜砧木上的伽师甜瓜为试材，探讨香草酸、香草醛和对-羟基苯甲酸为代表的酚酸类物质对嫁接伽师瓜植株和保护酶活性的影响。
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。
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。
Cinnamic acid had more greater action intensity than p-hydroxy benzoic acid.
苯丙烯酸的生物毒性大于对羟基苯甲酸。
Additives in negative paste have great influence on the charge acceptance, humic acid has been found better than lignin and 1-hydroxy-2-naphthoic acid with respect to charge acceptance;
负极铅膏中添加剂对充电接受能力有大的影响，添加木素比腐植酸的电池充电接受能力差，1— 2酸对充电接受能力有负面影响。
Hydroxy benzene acetic acid and acetic acid have biological activity, such as anti-bacterial and other aspects, leading to a wide range of applications.
苯羟基乙酸和苯氧乙酸都具有生物活性，在诸如抗菌等方面具有广泛的应用。
Analyzed the molecular structure of 4-Hydroxy-3-Methoxy Cinnamylic Acid, and studied the second-order nonlinear optical properties.
分析了4 羟基3 甲氧基肉桂酸的分子结构特点，研究了其二阶非线性光学性质和固体样品的透光性能。
The process for synthesizing 4-hydroxy-3-nitrobenzoic acid was selected.
探讨了4-羟基-3-硝基苯甲酸制备工艺的改进。
Toluene-4-sulfonic acid 2-hydroxy-ethyl ester was synthesised by p-toluenesulfonyl chloride with glycol.
研究对甲苯磺酰氯与乙二醇制备单对甲苯磺酸乙二醇酯的合成工艺。
Benzenesulfonic acid, hydroxy-, reaction products with formaldehyde and urea, ammonium salts;
羟基苯磺酸与甲醛及脲的反应产物的铵盐；
The transgenic crown gall of Panax quinquefolium L transformed artemisinic acid, generated a secondary metabolite:12,13-epoxy-11-hydroxy-9-octadecenoic acid.
使用转基因西洋参冠瘿组织对青蒿酸进行转化得到一个次级代谢产物：12，13-环氧-11-羟基-9-十八碳烯酸。
CONCLUSION The mail volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
结论赤芍主要挥发成分为（Z，Z）-9，12-十八碳二烯酸，正十六碳酸和水杨醛。
METHODS 3,5-di-tert-butyl-4-hydroxy benzaldehyde was synthesized from 2,6-di -tert-butyl phenol in a reaction medium of acetic acid-water which its ratio was investigated.
方法以价格低廉的国产试剂2，6-二特丁基酚为原料，选择乙酸-水为反应介质，合成关键中间体3，5-二特丁基-4-羟基苯甲醛，并研究了乙酸-水配比对反应的影响；
Propanoic acid, 2-hydroxy-, monopotassium salt;
名称：2-羟基丙酸单钾盐； 乳酸钾；
Propanoic acid, 2-hydroxy-, monopotassium salt;
名称：2-羟基丙酸单钾盐； 乳酸钾；
应用推荐