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羟基酸

与 羟基酸 相关的网络例句 [注:此内容来源于网络,仅供参考]

Principal cmponent analysis was used for 34 aroma components,and the relsult showed that the 34 aroma components could be represented asssumably by butanoic acid methylester, butanoic acid ethylester, propylalcohol, butylalcohol, 2,3-butanediol, decanoic acid ethylester, ethyl 4-hydroxybutanoate, eugenol, palmitic acid ethylester, 9-Octadeceroic acid ethylester.

对定量的34种香气物质进行主成分分析,结果表明:由丁酸甲酯,丁酸乙酯,丙醇,丁醇,2,3-丁二醇,癸酸乙酯,4-羟基丁酸乙酯,丁子香酚,棕榈酸乙酯,油酸乙酯基本可以代表本试验所定量出的34种香气物质呈现出的香气物质所构成的风味特征。

Ingredients: Rose oil, rose fruit Oil, clove flower oil, deionized water, isopropyl myristate, glycerol, propylene glycol, polyethylene glycol -400, central PDMS, poly dimethyl siloxane, PDMS alcohol, polyacrylamide, C13-14 iso-paraffin, octoic acid / capric Acid Triglyceride, lauryl alcohol -7, hydroxyethyl acrylate, acryloyldimethyltaurate copolymer, squalane, poly sorbate esters -60, PEG-20 sorbitan laurate, panthenol, allantoin, methyl p-hydroxybenzoate, diazolidiny1 urea, 3-iodo-2-propynyl-butyl-carbamate, essence.

产品成分:玫瑰精油、玫瑰果油、丁香花油、去离子水、肉豆蔻酸异丙酯、甘油、丙二醇、聚乙二醇-400、环聚二甲基硅氧烷、聚二甲基硅氧烷、聚二甲基硅氧烷醇、聚丙烯酰胺、C13-14 异链烷烃、辛酸/癸酸甘油三酯、月桂醇醚-7、羟乙基丙烯酸酯、丙烯酰二甲基牛磺酸钠聚物、角鲨烷、聚山梨酸酯类-60、PEG-20 失水山梨醇月桂酸酯、泛醇、尿囊素、对羟基苯甲酸甲酯、双咪唑烷基脲、碘代丙炔基丁基甲氨酸酯、香精。

The present invention relates to a coating composition comprising; A at least one polyester oligomer prepared from reactants comprising a 20 60 wt.% of at least one polyol, b 5 30 wt.% of at least one polycarboxylic acid selected from the group of cyclic polycarboxylic acids, the esters or the anhydrides thereof, wherein the carboxyl groups are separated by 3 carbon atoms or less, and from the group of alpha , beta -saturated acyclic polycarboxylic acids, the esters or the anhydrides thereof, and c 20 60 wt % of at least one monocarboxylic acid, the sum of the wt.% indicated for the reactants,, and always being 100 wt.%, and the oligomer being a low-viscosity oligomer having a weight average molecular weight Mw of less than 5,000, and a hydroxyl number in the range of about 200 to about 400 mg KOH/g oligomer, and B at least one polyisocyanate.

本发明涉及一种包含如下组分的涂料组合物:A至少一种由包含如下成分的反应物制备的聚酯低聚物:a20-60wt%至少一种多元醇,b5-30wt%至少一种选自其中羧基被3个或更少碳原子隔开的环状多元羧酸、其酯或酸酐以及选自α,β-饱和的无环多元羧酸、其酯或酸酐的多元羧酸,以及c20-60wt%至少一种一元羧酸,其中反应物、和的wt%之和总是为100wt%,所述低聚物是重均分子量Mw低于5000且羟基值为约200-约400mg KOH/g低聚物的低粘度低聚物,以及B至少一种多异氰酸酯。

This is exactly opposite to the order of E465/E665 in HA and the order ofΔ~ K. It shows that the larger the extent of humification, the larger the effect for reducing the rate of Phoxim hydrolysis, because the extent of HA humification is closely related to the extent of benzene in HA and the amount of carbonyl, aryl, phenolic hydroxide.

因腐殖酸腐殖化程度与腐殖酸芳构化程度、羧基、羰基和酚羟基的含量等相关,因此用腐殖酸腐殖化程度反映腐殖酸对农药水解作用大小比仅用腐殖酸中有机碳含量等因素反映更为合理。

By reactions of p-hydroxybenzoic acid with the chlorides of adipic acid, suberic acid, sebacic acid and 1,10-decanedicarboxylic acid respectively four new diacids, and then their dich-lorides, were obtained. The four diacids were found to be thermotropic.

将己二酸、辛二酸、癸二酸、1,10-十二烷基羧酸经酰氯化后,分别与对羟基苯甲酸合成,得到了四种二元羧酸以及与其相应的四种二元酰氯,并发现前者具有热致液晶性。

Water,dimethicone,propylene glycol,glycerin,cyclomethicone,ppg-15 stearyl ether,sorbitan oleate,stearic acid,cetyl alcohol,glyceryl stearate,ethylhexyl methoxycinnamate,peg-100 stearate,panthenol,phenoxyethanol,phospholipids,triethanolamine,methylparaben,oenothera biennis oil,imidazolidinyl urea,carbomer,c12-13 alkyl lactate,glycyrrhetinic acid,citrus aurantium dulcisoil,propylparaben,tocopheryl acetate,benzophenone-3,triclosan,disodium edta,ethylparaben,pentadecalactone,iris germanica root extract,retinyl palmitate,bisabolol,butylparaben,sodium hyaluronate,aesculus hippocastanumseed extract,ruscus aculeatus root extract,chlorhexidine digluconate,biosaccharide gum-1,citrus aurantium amaraoil,tocopherol,lecithin,ascorbyl palmitate,glyceryl oleate,BHT,citric acid,limonene,linalool

水, 地美司康,丙二醇,甘油,环甲硅脂, PPG-15 硬脂基醚,油酸己六酯,硬脂酸,十六醇,甘油硬脂酸, 4-甲氧基肉桂酸-2-乙基己基酯,聚乙二醇硬脂酸酯,维生素B5,苯氧乙醇,磷脂质,三乙醇胺,羟苯甲酯,月见草油,尿素醛,卡波姆, c12-13烷醇乳酸酯,甘草亭酸,甜橙油,羟苯丙酯,醋酸盐维他命E,二苯酮-3,玉洁新,乙酸乙二胺二钠,羟苯乙酯,环十五内酯,鸢尾花根萃取,维他命A酯,没药醇,羟苯丁酯,透明质酸钠,欧洲七叶树籽萃取,假叶树根萃取,洗必泰葡萄糖酸盐,多醣物质,苦橙油,维生素E,卵燐脂,抗坏血酸棕榈酸酯,甘油油酸酯,二丁基羟基甲苯,柠檬酸,柠檬精油,芳樟醇水:几乎所有护肤品成分第一位都是水。地美司康:即silicon,矽灵,一般添加于霜剂中,使用后皮肤手感光滑。该成分不可吸收。

The SERS spectra of isoquinoline and its six derivates 3 -isoquinolinecarboxylic hydrate (Ⅱ, 1-isoquinolinecarboxylic acid, methyl 3-isoquinolinecarboxylate, isocarbostyril, 5-hydroxy-isoquinoline and 1, 5-isoquinolinediol were obtained by mixing the chemicals with silver colloid.

应用SERS技术,我们获得了异喹啉及其六种衍生物3-羧基异喹啉(Ⅱ,1-基异喹啉,甲基-3-羧基异喹啉酸酯,1-羟基异喹啉,5-羟基异喹啉和1,5-二羟基异喹啉的喇曼光谱。

The result of polyhydroxy benzamides for whitening, the activity evaluation of tyrosinase inhibitory, it has apparently effect on the caffeic acid, gallic acid and 2, 5-dihydroxybenzoic acid of amide derivatives (IC50 = 62.41~130.28 μg/ml), but some of the compounds show apparently the activity of tyrosinase inhibitory,(ex:IC50 = 71.70 μg/ml of compound 12 and 57.26 μg/ml of compound 24) inhibitory efficacy.

多酚醯胺化合物在美白活性结果,抑制酪胺酸酶活性评估,以咖啡酸、没食子酸及2, 5-二羟基苯甲酸之醯胺衍生物效果最为显著(IC50 = 62.41~130.28 μg/ml),但也有少酗坐あX物显示出明显抑制酪胺酸酶活性能力,如(Compound 12之IC50 = 71.70 μg/ml、Compound 24之IC50 = 57.26 μg/ml)也出现较强之抑制酪胺酸酶活性能力。

Examples of metal chelating groups include hydroxides especially aryl or heteroaryl hydroxides such as phenolic hydroxides; amines which may be aliphatic aryl or heteroaryl; mercaptans which may be aliphatic aryl or heteroaryl; carboxylic acids which may be aliphatic aryl or heteroaryl; oximes and ketoximines; acetarylamides; hydroxy silanes and silicones; N-containing heterocycles such as imidazoles benzimidazoles triazoles benzotriazoles thiazoles isothiazoles acid anhydrides and more preferably acid groups (especially carboxylic acid groups phosphoric acid groups polyphosphoric acid groups phosphonic acid groups sulphuric acid groups and sulphonic acid groups).

金属螯合组的例子包括氢氧化物,特别是芳基或如酚醛氢氧化物杂氢氧化物;胺可能是脂肪族,芳基或杂;硫醇可能是脂肪族,芳基或杂,这可能是脂肪族,芳基或羧酸杂;肟和ketoximines; acetarylamides;羟基硅烷和有机硅,含N,如咪唑,苯并咪唑类,三唑类,苯并三氮唑,噻唑类,isothiazoles,酸酐杂环,多最好酸组(特别是羧酸团体,磷酸,团体,多聚酸组,膦酸组,硫酸团体和磺酸组)。

The research results demonstrated that it was a good method that hydrxoypivalic acid was prepared from hydroxypivalaldhyde by the direct electrooxidation method at the lead dioxide and tin dioxide electrodes.

以羟基新戊醛为原料,PbO2电极对羟基新戊醛的电催化活性最高,以硫酸为支持电解质,有隔膜电解槽内,生成羟基新戊酸的选择性和电流效率最高。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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