二乙胺

0 Of polyamidoamine has been synthesized by a divergent method with ethylenediamine as core.

采用发散合成法，合成了以乙二胺为核的1.0代树枝状大分子聚酰胺-胺(PAMAM1.0)，用静态法测定了树枝状大分子在高硅溶液中对胶体硅的阻垢性能。

The result of the experiment showed that the qualitative medium - speed filter paper can be used as the material of the nitrite - detecting paper: color developing reagent A containing 4 - aminobenzene sulfonamide and N - 1 naphthyl ethylenediamine hydrochloride, and mixtures of 1 : 1 naphthylamine solution and sulfanilic acid solution as color developing reagent.

实验结果表明：定性中速滤纸可以作为亚硝酸根试纸的材料；含有4-氨基苯磺酰胺和N-1-萘基乙二胺盐酸盐的显色剂A及含有1：1的α-萘胺溶液和对氨基苯磺酸溶液的显色剂B，按1：1混合后可以作为显色剂；通过应用实验表明，亚硝酸根试纸具有体积小、便于携带、检测方便、成本低廉等特点。

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.

通过研究THPC与聚己内酰胺、聚乙烯醇、乙二胺的酰胺基、羟基、氨基的反应，间接证明THPC主要与胶原蛋白的氨基结合，可与氨基以n∶n=1.0∶2.2形成交联，THPC与羟基和酰胺基均有少量结合，并在pH=8.0时结合量最高。

Serotonin (5-HT), its precursors tryptophan and 5-hydroxytryptophan (5-HTP), major metabolites 5-hydroxyindoleacetic acid (5-HIAA); and 3-methoxy-4- hydroxyphenylethylene glycol , homovanillic acid , the respective major metabolites of noradrenaline and dopamine were measured by a method of HPLC.

应用高效液相色谱法测定其中5—羟色胺（5-HT）系列代谢物：色氨酸、5-羟色胺酸（5-HTP）、5-HT、5-羟吲哚乙酸（5-HIAA）；多巴胺的主要代谢产物3-甲氧基-4-羟基苯乙酸；去甲肾上腺素的主要代谢产物3-甲氧基-4-羟基苯乙二醇等。

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。

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。

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。

Then dendrimer-like polyamidoamine s based on the silica gel surface were 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；利用红外光谱对PAMAM-SG的结构进行了表征，研究了溶液pH值、ρ(Ni2+)和温度对PAMAM-SG吸附Ni2+能力的影响。

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。