二乙胺

Both the protection and deprotective group methods for the amino-group on side chain of a new N-pivot lariat crown ether were studied comparatively.

研究了一种新的氮支套素冠醚侧链上氨基的保护和脱保护基方法，结果表明，由过量乙二胺与对甲苯磺酰氯反应得到的单保护乙二胺（N－对甲苯磺酰基乙二胺4a），经N－烷基化环化反应，然后在氢化铝锂存在下脱除保护基，即可制得最佳产率的N－（2－氨基已基）单氮杂－12－冠－4（1）。

When the catalyst was triethylamine, the water produced in condensation of isopropanolamine or ethanolamine and butanone was removed with benzene by water segregator, then the dichloroacetyl chloride was dropped.

利用异丙醇胺、乙醇胺、丁酮和二氯乙酰氯为原料，分别合成了两种除草剂安全剂Ⅰ∶3-二氯乙酰基-2，5-二甲基-2-乙基-1，3-噁唑烷和Ⅱ∶3-二氯乙酰基-2-甲基-2-乙基-1，3-噁唑烷。

The detectable group, biotin-ε-aminocaproic acid N-hydroxysuccinimide ester, is attached to the remaining amino group. A series of multiamine compouds, i. e. ethylendiamine, 1, 6-hexandediamine, triethylenetetramine, tetraethylenepentamine, and synthetic polyarylamide are used inlabelling, it is found that linker arms and steric hindrance effect the detection sensitivity. The probes labeled by 1, 6-hexandediamine and triethylenetetramine can detect 0.1-0.5pg target DNA in dot blot hybridization, and their sensitivities are better than the others.

本文详细考察了乙二胺、己二胺、二乙烯三胺、三乙烯四胺、四乙烯五胺及合成的聚乙烯胺化合物对λDNA探针的标记和检测的影响，发现胺化物链长和空间位阻影响探针的杂交和检测，用己二胺和三乙烯四胺标记的生物素探针在杂交24小时、显色8小时后检测灵敏度达0.1-0.5pg，超过其它胺化物标记的探针。

Water,butylene glycol,cyclomethicone,VP/VA copolymer,glyceryl stearate,glycerin,ppg-15 stearyl ether,titanium dioxide,propylene glycol,cetyl alcohol,citrus aurantium dulcisfruit extract,saccharide isomerate,biosaccharide gum-1,ethoxydiglycol,peg-40 stearate,glycyrrhiza glabraroot extract,morus bombycis root extract,potassium cetyl phosphate,phenoxyethanol,c12-20 acid peg-8 ester,triethanolamine,prunus amygdalus dulcis oil,carbomer,caprylyl glycol,caffeine,disodium edta,methylparaben,chondrus crispus,butylparaben,iris germanica root extract,pentadecalactone,sodium polyacrylate,ethylparaben,sodium hyaluronate,peg-8,propylparaben,citric acid,chlorhexidine digluconate,tocopherol,ascorbyl palmitate,ascorbic acid

水，丁烯二醇，环甲硅脂，VP/VA共聚物，甘油基硬脂酸，甘油，ppg-15 stearyl ether，二氧化钛，丙二醇，十六烷基醇，橙子萃取物，天然异构寡糖， biosaccharde gum-1，乙基氧基乙二醇，聚乙二醇- 40硬脂酸，甘草根提取物，桑白皮根萃取，钾十六烷基磷酸盐，苯氧乙醇，c12-20 acid peg-8 ester，三乙醇胺，甜杏仁油，高分子胶，辛乙二醇，咖啡因，乙二胺四乙酸二钠，对羟基苯甲酸甲酯，卡拉胶，对羟基苯甲酸丁酯，鸢尾花根萃取， pentadecalactone ，聚丙烯酸钠，羟苯乙酯，透明质酸钠，聚乙二醇- 8，羟苯丙酯，柠檬酸，洗必泰葡萄糖酸盐，维生素E，维生素C棕榈酸酯，抗坏血酸

Purified water, euphorbia cerifera wax, glyceryl stearate, ammonium acrylates copolymer, butylene glycol, copernica cerifera wax, stearic acid, sucrose acetate isobutyrate, acrylates copolymer, bentonite, tromethamine, hexylene glycol, silk amino acids, cholesterol, glycine, synthetic wax, ethylhexyl glycerin, alanine, PEG-9 dimethicone, nylon-6, lecithin, silica, simethicone, caprylyl glycol, xanthan gum, propylene glycol, isostearic acid, sodium laureth-12 slfate, ceteareth-20, polyvinyl alcohol, sodium chloride, sodium acetate, disodium EDTA, benzyl alcohol, chlorphenesin, phenoxyethanol, methylparaben, ethylparaben, propylparaben, butylparaben, isobutylparaben, may contain /- mica, iron oxides (CI 77491, CI 77492, CI 77499), titanium dioxide (CI 77891), ferric ferrocyanide (CI 77150), ultramarines (CI 77007), blue 1 lake (CI 42090), bronze powder (CI 77400), aluminum powder (CI 77000), bismuth oxychloride (CI 77163), carmine (CI 75740), chromium hydroxide green (CI 77289), chromium oxide greens (CI 77288), yellow 5 lake CI 19140

水，小烛树蜡，硬脂酸甘油酯，丙烯酸铵共聚物，1，3-丁二醇，巴西棕榈蜡，硬脂酸，异丁酸醋酸蔗糖酯，丙烯酸酯共聚物，蒙脱土，二吡喃乙酸乙酯胺，已烯醇，丝氨酸，胆固醇，甘油，合成蜡，异丁基甘油，丙胺酸，PEG-9二甲基硅油，尼龙-6，卵磷酯，硅粉，硅氧烷，癸酰基乙二醇，汉生胶，丙二醇，异硬脂酸，月桂基醚-12硫酸钠，十六十八醇醚-20，聚乙烯醇，氯化钠，醋酸钠，EDTA二钠，苯氧乙醇，氯代苯酚，卞醇，尼泊金甲酯，尼泊金乙酯，尼泊金丙酯，尼泊金丁酯，尼泊金异丁酯，[可能还含有云母，铁黑(CI 77491， CI 77492， CI 77499)，钛白粉(CI 77891)，氰化亚铁(CI 77150)，靛蓝(CI 77007)，蓝1号(CI 42090)，青铜粉(CI 77400)，铝粉(CI 77000)，氯氧化铋(CI 77163)，洋红色素(CI 75740)，氢氧化铬绿(CI 77289)，氧化铬绿(CI 77288)，黄5号(CI 19140)]文章来自网络，不代表本网站立场，版权归原作者所有，转载请注明出处！

The results show that:(1) When Cu〓 equatorially coordinated by four nitrogen atoms from amine ligands such as ethylenediamine, N-methylethylenediamine, 1, 2-diaminopropane and 1, 4, 8, 11-tetraazacyclotetradecane, etc., Cu〓 could be axially coordinated by oxygen atoms of-SO〓 group.

研究结果表明：（1）当Cu〓在赤道平面与来自胺配体（如乙二胺、N-甲基乙二胺、1，2-丙二胺和1，4，8，11-四氮杂环十四癸烷等）的四个氮原子配位后，在轴向则可以与来自磺酸根离子的-SO〓基团氧原子配位。

Amino-monomethoxypoly(ethy1ene glycol)(mPEG-NH2) was synthesized based on the principle of Gabriel synthesis.Monomethoxypoly(ethy1ene glycol) tosylate was prepared at first,and then reaction with potassium salt of phthalimide as nucleophile to produce the monomethoxypoly(ethy1ene glycol)phthalimide derivative.

摘 要：首先合成了单甲氧基聚乙二醇对甲苯磺酸酯，然后根据盖布瑞尔合成法原理，以邻苯二甲酰亚胺钾盐为亲核试剂与mPEG-OTs反应，生成单甲氧基聚乙二醇的邻苯二甲酰亚胺衍生物，mPEG-PI与水合肼反应肼解生成伯胺，合成了一端为氨基的单甲氧基聚乙二醇(mPEG-NH2)。

Determining the dilution enthalpies of DMF and DMA in aqueous glycerol solutions of various molalities, we discussed peptide bond and hydrophobic side chains interacting with glycerol in aqueous solutions. Molecular dynamics simulating ethylene glycol and glycerol solutions have been done to study the microscopic structure of polyhydroxy compounds solutions.

本文用滴定量热法研究了298.15K下酰胺(N—甲基甲酰胺、N，N—二甲基甲酰胺、N—甲基乙酰胺和N，N—二甲基乙酰胺)分别在于MAO水溶液和尿素水溶液中的焓相互作用，探讨了溶剂变化对酰胺侧链相互作用的影响，从肽键及疏水侧链角度研究了TMAO和尿素对蛋白质稳定性的影响。

The solvents commonly used in the solvothermal synthesis include alcohols (such as methanol, ethanol, isopropanol, alcohol, ethylene glycol, glycerine, etc.), amines (such as hexamethylenediamine, dimethylformamide, triethanolamine), Acetonitrile and Propionitrile, the differences of functional groups, varieties of kinds together with a wide differences of polarity, dielectric constant and boiling point of organic solvents greatly increase the diversities of the product.

溶剂热合成常用的溶剂有醇类(如甲醇、乙醇、异丙醇、正丁醇、乙二醇、甘油等)，胺类(如己二胺、二甲基甲酰胺、乙醇胺)，乙腈和丙腈等，有机溶剂由于带有不同的官能团，种类繁多，具有不同的极性、介电常数、沸点等，大大增加了合成产物的多样性。

Nanocrystalline copper tellurides Cu〓Te〓 and Cu〓Te〓 have been successfully prepared in ethylenediamine and ethylenediamine with hydrazine hydrate system under high-intensity ultrasonic irradiation at room temperature respectively. Nanocrystalline silver tellurides Ag〓Te and Ag〓Te〓 have been successfully prepared in ethylenediamine and ethanol system under high-intensity ultrasonic irradiation at room temperature respectively.

在制备碲化铜时，在纯乙二胺体系超声辐射所制备的最终产物为Cu〓Te〓，而在加有水合肼的乙二胺中制得的产物为Cu〓Te〓；在制备碲化银时，在乙二胺体系制备的产物为Ag〓Te，而在乙醇体系制备的产物为Ag〓Te〓。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。