用傅立叶红外光谱仪测定羧基含量。
Determine carboxyl content with Fourier infrared spectrum instrument.
单羧基酸的来源将不是积雪？
二羧基癸酸酰胺表面活性剂及其合成方法。
A dicarboxyl capric amide surfactant and synthetic method thereof are provided.
在使用羧基治疗之后，皮肤变得光滑有弹性。
目的观察羧基化氨基多糖药物抗胃溃疡的作用。
Objective: To observe the effect of carboxyl-amino-polysaccharide on the gastric ulcer.
粘土矿物能催化脱羧基作用是早已认识到的问题。
The ability of clay minerals to catalyse decarboxylation has long been recognised.
它们含有一个或多个功能团如：氨基、羟基、羧基。
They contain one or more functional group such as amide, hydroxy, or carboxy.
绿液预处理和硫酸盐蒸煮工艺参数影响纸浆的羧基含量。
During green liquor pretreatment-kraft pulping process, both pretreatment and kraft cooking variables influence the carboxyl groups content of the pulp.
红外分析表明大同煤中羧基含量很少，酚羟基含量较多。
We also found that Datong coal contains more phenolic hydroxyl and less carboxyl.
诱导效应可使羧酸中羧基碳原子的电子云密度发生改变。
Inductive effect causes electron density of Carboxylic cardon atom in Carboxylic acid to change.
研究了侧链含羧基的聚乙烯醇胺肟螯合纤维吸附金的性能。
The gold-adsorbing property of the amido oximime chelate fiber of carboxylic polyvinyl alcohol is studied.
锆化合物可交联含有某些官能团，如羧基、羧基的聚合物。
Zirconium compounds can crosslink polymers which contain suitable functional groups, such as carboxyl and hydroxyl.
脱氧胆酸中羧基氧原子、羟基氧原子均与钇发生配位作用。
The oxygen atoms that coordinated with yttrium were offered by both carboxyl and hydroxyl groups of deoxycholic acid.
在各个因素变化范围内，羧基含量均呈先上升后下降的趋势。
In each factor, carboxyl content within the range is increased and the trend.
目的：克隆并表达艰难梭菌毒素A羧基末端受体结合区基因。
AIM: to obtain the high expression of the gene coding for clostridium difficile toxin a receptor binding zone.
本文建立了四（4-羧基苯基）卟啉（TCPP）的电分析方法。
In this thesis, electroanalytical method of Tetrakis(4-carboxylphenyl) porphyrin(TCPP)has been established.
用本法对未知氧化度样品的羧基含量进行测定，得到了较好的结果。
The carboxylic in unknown samples was dc. termined by this method with good results.
同时测定了炭黑表面羧基、酚羟基、内酯基等酸性含氧基团的含量。
The contents of carboxyl, phenol hydroxyl, and lactones groups on carbon black surface have been determined.
红外光谱及X光电子能谱表明，臭氧氧化在碳黑表面引进了羧基基团。
Both infrared spectroscopy (IR) and X-ray photoelectron spectroscopy (XPS) show that carboxylic acid groups have been introduced onto the carbon black surface.
该氨酯油中引入了羧基阴离子和丙烯酸双键，用有机胺中和后溶于水中。
The resin can be solved in water by neutralizing carboxylic groups and double bonds therein with organic amine.
由于表面羧基含量的差异，接触法炭黑可以获得比炉法炭黑更高的接枝率。
The grafting mass percent of connect black is more than of furnace black because of difference in carboxyl group content.
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
这一反应还伴随着羧基的迁移以及乳胶粒膨润、 溶胀和压缩的形态变化过程。
In the meanwhile, the various. morphology of the latex and the migration of the carboxyl group are also discussed.
骨骼形成的第一步，羧基磷灰石被沉积在原胶原蛋白分子末羰之间的成核部位。
Bone formation Hydroxyapatite is deposited in nucleation sites between the ends of tropocollagen molecules as the first step in bone formation.
考察了氧化剂用量、催化剂用量、反应时间和水用量对氧化淀粉羧基含量的影响。
The effect of the amount of hydrogen-peroxide and catalyst, reaction time and amount of water on the carboxyl content was investigated.
化学修饰实验发现：巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
含有羧基的多核锰配合物可以模拟一些锰酶并且在磁性材料的开发中具有重要意义。
Poly (manganese carboxylate) complexes have become an important research field for the simulation of relevant manganese enzymes and the exploration of magnetism.
在经历25分钟和40分钟的WIT后，灌注期间出现明显的血浆羧基水平的升高。
A significant increase in plasma carbonyl levels during perfusion was seen after 25 and 40 min WIT only.
在这些配合物中，羧基氧、配位水分子和晶格水分子之间存在大量的氢键相互作用。
In these complexes, there are hydrogen bond reciprocity between carboxyl groups and crystal lattice water molecules.
在这些配合物中，羧基氧、配位水分子和晶格水分子之间存在大量的氢键相互作用。
In these complexes, there are hydrogen bond reciprocity between carboxyl groups and crystal lattice water molecules.
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