hydroxy acid

Quantitative analysis of hydroxy acid by gas chromatography

羟基酸气相色谱法的定量分析

Method and Application of Manufacturing Hydroxy Acid from Used Oil for Mold and Core Sand Binder

废油制作羟基酸型（芯）砂粘结剂的方法与应用

Synthesis of methyl β - hydroxy acid esters under ambient conditions and MS analysis

温和条件下β-羟基酸甲酯的合成及MS分析

Study on Acylation Reaction of γ,δ - Unsaturated β - Keto Esters and Hydroxy Acid Chloride Derivatives

γ，δ-不饱和β-酮酯和羟基酸衍生的酰氯酰化反应

Objective To investigate the effects of α hydroxy acid on application of colloid gold immunochromatographic technique for detecting fecal occult blood .

目的探讨不同浓度的果酸对胶体金免疫层析法检测粪便潜血试验的影响。

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。

Chiral aromatic alcohol and hydroxy acid are important intermediates for the synthesis of optically active molecules and are widely applied in food , pharmaceutical , agricultural , fine chemicals areas .

手性芳基醇、羟基羧酸是合成光学活性分子的关键中间体，广泛应用于食品、医药、精细化工及农业等领域。

Tip : Products containing alpha hydroxy acid or glycolic acid can puff up the skin around pores , temporarily making them look smaller , without overly drying skin .

小贴士：果酸或乙醇酸的收敛水会使你毛孔周围的皮肤肿胀，暂时缩小毛孔，而不会过度挥发你皮肤的水分。

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betahydroxyacid，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。

α Hydroxy acid , dioic acid , aldehydic acid ( in the form of Lactol ) and α hydroxy ketone were obtained from different substrates .

由不同的底物，得到了α羟基酸，二羧酸，醛酸（以Lactol形式存在）和α羟基酮等不同类型的自氧化反应产物。

The first couplet CD spectra of anticancer drug VP-16 and its metabolism products picro VP-16 , picro VP-16 hydroxy acid in solution was measured .

本文测定了抗癌药物VP-16及其在体内的代谢产物苦VP-16，苦VP-16羟基酸的第一偶合圆二色谱。

In order to determine the configuration of the α hydroxy acid , several chemical methods were tried and the configuration of the α hydroxy acid was established based on NOE difference spectrum , 2D NMR spectrum and circular dichroism .

对用化学方法确定α羟基酸的构型做了探索并通过NOE差谱，二维谱和圆二色谱确定了α羟酸的构型。

The reaction provides a convenient and highly enantioselective route to the construction of an important class of compounds for both organic and medicinal chemistry ; namely , a-amino - β - hydroxy acid derivatives containing chiral tetrasubstituted carbon centers .

该方法为构建一类有机和医药化学中重要的含季碳中心β-羟基-α-氨基酸衍生物提供了便捷且高对映选择性的路线。

Separation and Quantitative Analysis of Three Hydroxy Carboxylic Acid by Gas Chromatography

三种羟基羧酸气相色谱法的分离及定量分析

The synthesis and application of β & hydroxy aliphatic acid

β-羟基脂肪酸的合成及应用

Study on the solvent floatation of P - hydroxy benzoic acid

磷钨杂多酸的萃取对羟基苯甲酸的溶剂浮选研究

Gel electrophoresis study of radioprotective effect of hydroxy cinnamic acid derivatives on DNA

用凝胶电泳法研究羟基肉桂酸衍生物对DNA的辐射保护效应

The Synthesis of 3 - Amino - 4 - hydroxy benzoic Acid

3-氨基-4-羟基苯甲酸的合成

The synthesis of β - hydroxy aliphatic acid

β&羟基脂肪酸的合成

Synthesis of 10 - Hydroxy Decanoic Acid by Alkaline Scission of Ricinolein Acid

碱裂解蓖麻油酸合成10-羟基癸酸

Separation of am , cm , CF and y by cation exchange with α - hydroxy isobutyric acid

α-羟基异丁酸阳离子交换色层法分离Am、Cm、Cf和Y

Trivalent am and cm complexes of α - hydroxy carboxylic acid and their similarity to PR and Nd

三价镅、锔同α-羟基羧酸的络合及其与镨、钕的相似性

Study on the Complexation of Ti (ⅳ) - Carboxylic and Hydroxy Carboxylic Acid by Metallic Indicator Method-UV Spectroscopy

金属指示剂-紫外分光法研究Ti（Ⅳ）-羧酸、羟基羧酸的配位作用

Studies on the organic precipitants for zirconium ⅱ . α - bromo - β - hydroxy phenylpropionic acid

锆的有机沉淀剂研究&Ⅱ.α-溴-β-羟基苯丙酸

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。

Active components are 2 α - hydroxy ursolic acid , 2 α, 19 α - dihydroxy ursolic acid and rosmarinic acid .

从有效部位中分离得到2α-羟基熊果酸和羟基熊果酸、2α，19-二羟基熊果酸和迷迭香酸等。

Fatty acids most commonly used polymer is12 hydroxy stearic acid , low molecular weight acid is the most commonly used azelaic acid , sebacic acid , boric acid and salicylic acid .

高分子脂肪酸最常用的是12一羟基硬脂酸，低分子酸最常用的是壬二酸、癸二酸、硼酸和水杨酸等。

Object To Synthesis two novel Trinder 's reaction chromogens : N ethyl N sulfoethyl m toluidine (ⅰ) and 3,5 dichloro 2 hydroxy benzenesulfonic acid (ⅱ) .

目的：合成两种新的Trinder's反应色团N-乙基-N-磺酸基乙基间甲苯胺（）和3,5-二氯邻羟基苯磺酸钠（）。

METHODS ? The contents of exceedingly weak diabasic alkalies such as sodium DL Hydroxy Succinic acid , sodium citric acid and sodium adipic acid were detected by using the standard curve method .

[方法]用标准曲线法测定了极弱二元碱：苹果酸钠、酒石酸钠、柠檬酸钠的含量。

The catalytic performance of rhodium based bicomponent catalysts in the hydrogenation of α,ω - dicarboxylic acid monoesters to ω - hydroxy carboxylic acid esters was investigated by using a portable autoclave .

在小型高压反应釜中研究了铑系催化剂对于α，ω－二元羧酸单酯加氢生成ω－羟基羧酸酯的催化性能。