查询词典 acid

Methods Ascorbic acid was determined by inhibition kinetic spectrophotometric method, which was based on the inhibition effect of ascorbic acid on the nitrite catalyzed oxidation of xylenol orange by potassium bromate in dilute sulfuric acid medium.

在稀硫酸介质中，利用抗坏血酸对亚硝酸根催化溴酸钾氧化二甲酚橙的阻抑作用，用阻抑动力学光度法测定抗坏血酸。

Organic acids such as stearic acid, abietic acid,α-naphthylacetic acid, can interact with copper.

在索氏抽提的条件下，铜能和有机酸反应生成金属铜的有机酸配合物。

The catalytic system composed of NHPI and transition metal ion can catalyze effectively ethane into acetic acid,cyclane into dicarboxylic acid,toluene into benzoic acid,alkene into epoxide,alkyne into acetylenic ketone,and amide into imide;NHPI used alone can catalyze adamantane to be carbonylated,hydrogen peroxide prepared by oxidization alcohol;NHPI combined with as...

NHPI与过渡金属离子组成的催化体系能高效地催化乙烷氧化为乙酸、环烷烃氧化为二元羧酸、甲苯氧化为苯甲酸、烯烃氧化为环氧化物、炔烃氧化为炔酮、酰胺氧化为酰亚胺；NHPI单独使用能催化金刚烷发生氧化羰基化反应、催化氧化醇制取过氧化氢；NHPI与有机助催化剂如偶氮二异丁腈、溴化季铵盐、蒽醌和醇等也能催化分子氧氧化反应。

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 Akebia trifoliata seed oil was rich in oleic acid, linoleic acid and palmitic acid.

三叶木通籽油富含油酸、亚油酸和棕榈酸。

1A series ofω-alkylmercapo acid were synthesized by two methods:one involved the reaction of the appropriateω-bromoalkyl acid with mercaptide under the presence of base;the other method was used only for the long alkyl compound by the reaction ofω-alkenyl acid and alkanethiol in the presence of AIBN.

正是基于以上考虑，本论文探索了合成下沿带有硫醚官能团，而上沿带有偶氮官能团的杯[4]芳烃衍生物的方法，进行了以下研究： 1采用ω-溴代羧酸和烃基硫醇在碱性条件下发生反应，或由ω-烯基羧酸和硫醇在AIBN的存在下反应，得到了ω-硫醚羧酸，使用氯化亚砜将羧酸转化为酰氯。

In connection with the character of Boc L-Glutamic Acid and aminoacetic acid structures, the reaction of aminoacetic acid acylated via Boc Anhydride has been studied on the condition of CH3OH in the paper. The yield of the derivatives is characterized by the melting point, the content of carboxylgroup and the product purity. The results showed that the best experiment condition is followed.

本论文以甲醇作为均相反应介质，Boc酸酐与谷氨酸为原料，在碱性条件下，以产物的熔点，羧基含量以及产物纯度作为产物质量确定的指标，最终得出N-Boc-谷氨酸的合成最优条件。

The substance with a molecular weight of 6.28kDa has very strong cation character determined by the electrophoresis of diaphragm wafer of fiber of acetic acid. The substance with antibacteria action obtained from forest frog is made up of alanine,aminoacetic acid,leucine,Isoleucine,Proline,aminoglutaric acid,threonine,Serine,lysine.

纯化林蛙皮肤中的抗菌活性物质经醋酸纤维薄膜电泳，表明其具有较强的阳离子特征；经氨基酸分析，表明林蛙皮肤抗菌活性物质是由丙氨酸、甘氨酸、亮氨酸、异亮氨酸、脯氨酸、中国林蛙皮肤抗菌肽的分离纯化和鉴定一摘要谷氨酸、苏氨酸、丝氨酸、赖氨酸组成。

OBJECTIVE:To study the compatible stability of levofloxicin hydrochloride injection with five kinds of homostatic(etamsylate, tranexamic acid , aminocaproic acid , aminome thylbenzoic acid , hemocoagulaser).

目的 ：研究盐酸左氧氟沙星注射液与五种止血药(酚磺乙胺、氨甲环酸、氨基己酸、氨甲苯酸注射液和注射用蛇毒血凝酶)配伍的稳定性。

Nonaqueous titration;Aminocaproic acid;Hydrochloride;Hyperehloric acid-acetic acid;Potentiometric titration

非水滴定；6-氨基己酸；6-氨基己酸盐酸盐；冰乙酸-高氯酸；电位滴定

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。