乙胺

The PUUs and PUAs synthesized with isophorone diamine showed lower degree of hydrogen bonding for the urea carbonyl groups existed in the system as well as better miscibility between soft and hard segments, compared to those prepared with ethylenediamine or hexanediamine as chain extenders.

用异佛尔酮二胺、乙二胺和己二胺三种扩链剂合成了不同结构的脂肪族聚氨酯脲和聚脲，并考察了扩链剂对聚氨酯脲和聚脲形态结构与性能的影响。

The study investigated the effect of pH and concentration of the dendrimers on the solubility enhancement of nicotinic acid.

为研究聚酰胺胺树状大分子对弱酸性亲脂性药物烟酸的增溶作用，合成了以乙二胺为核的1。

From these experiments, the optinum condition was chosen. The comparison of the reactional results of different degree of deacetylation chitosan with those of N-substitute chitosan und...

在相同条件下，比较不同脱乙酰度甲壳胺及N－取代甲壳胺的接枝聚合反应结果，表明：甲壳胺中氨基参与了接枝聚合反应的引发过程。

The comparison of the reactional results of different degree of deacetylation chitosan with those of N-substitute chitosan under the same reactional condition has demonstrated that the amino groups of chitosan took part in the initiation process.

在相同条件下，比较不同脱乙酰度甲壳胺及N－取代甲壳胺的接枝聚合反应结果，表明：甲壳胺中氨基参与了接枝聚合反应的引发过程。

Dendrimers with stearyl groups on the periphery are synthesized by amidation using dendrihmers with NH2 on the periphery and stearyl chloride as raw materials.

以乙二胺和丙烯酸甲酯为原料，甲醇为溶剂，通过Michael加成及酰胺化反应，合成端基为胺基的树枝状大分子。

Solution polymerization and amide reaction were used to synthesize the multifunctional comb-type amphiphilic polymer, stearyl methacrylate/ methylacrylic acid-ethanolamine-ethanediamine-folic acid polymer.

利用溶液聚合和成酰胺反应合成了多功能梳状两亲性共聚物，聚甲基丙烯酸-甲基丙烯酸十八酯-乙醇胺-乙二胺叶酸。

A series of novel amphipathic macrocyclic polyamine ligands derived from iminodiacetic acid and diethylene triamine have been synthesized and characterized by MS, 1H NMR, IR spectra and elemental analysis.

以亚胺基二乙酸和二乙撑三胺为原料，通过关环等反应合成了一类侧链含有羟基的新型两亲性大环多胺。

A plausible process of this reaction is as following: Aldehyde was in equilibrium with the enol form, aldehyde reacted with aniline catalyzed by 2,2,2-trichloroacetic acid to afford imine, the generated imine immediately reacted with enol to form intermediate via intramolecular cyclization.

我们发现一分子芳基叠氮和一分子三苯基磷反应生成一分子磷亚胺，后者与由两分子取代的苯氧乙酰氯原位生成的烯酮反应生成4-亚烷基-β-烷基-内酰胺，其串联过程涉及烯酮亚胺的形成及其与烯酮的[2+2]的环加成反应。

It is made generally with mixed salt of triethanolamine and ammonium hydroxide, twelve-acid isopropyl alcohol amides, for malde-hyde, polyvinyl chloride, wool oil, spice, pigment and water as raw materials.

一般采用硫酸脂肪醇的乙三醇胺与氢氧化胺的混合盐、十二酸异丙醇酰胺、甲醛、聚氧乙烯、羊毛脂、香料、色料和水作为原料。

Then dendrimer-like polyamidoamine on the silica gel surface was prepared using Micheal addition of the amino and methyl acrylate,and ester-exchange of ethylene diamine and the ester group.

用硅烷偶联剂对硅胶表面进行氨基功能化，利用氨基与丙烯酸甲酯发生的Michael加成反应和乙二胺与酯进行的交换反应在硅胶表面合成了聚酰胺-胺树状大分子。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。