• 1943年4月瑞士科学家阿尔伯特·霍夫曼小心在指尖粘了一点麦角酸二乙基酰胺,从而进行了一次意料之外心灵之旅

    Swiss scientist Albert Hofmann took an unexpected journey of the mind in April 1943 when he accidentally absorbed one of his chemical discoveries, lysergic acid diethylamide, through his fingertips.

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  • 托纳博沙种抑制CSD的二乙基溴乙酰胺间隙结合阻滞剂曾被认为是一种能防止偏头痛的的化合物

    Tonabersat is a neuronal gap-junction blocker that inhibitsCSD and was once considered a promising new compound to preventmigraine attacks.

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  • 方法适用工作场所空气二乙基甲酮浓度测定

    The method is compatible with concentration detection of diethyl ketone in the air at a workplace.

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  • 本文观察了日本血吸虫二乙基亚硝胺诱发家兔肝癌实验结果

    This paper reported the results of the experimental liver carcinoma induced by Schistosoma japonicum and diethylnitrosamine(DEN)in rabbits.

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  • 一般防腐剂水晶结构是有麻烦的,特别是胺四乙基钠。

    Preservatives in general are troublesome to crystalline structures and especially disodium EDTA.

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  • 二乙基亚硝胺(DENA)诱发大鼠肝癌过程中,维生素k依赖性化酶活性呈现先降低、后升高的现象。

    During hepatocarcinogenesis induced by diethylnitrosamine (DENA) in rats, a period of decreased vitamin K-dependent carboxylase activity was observed followed by an increased period.

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  • N乙基苯胺存在减少界面蒽。

    The presence of N, Ndiethylaniline will decrease its content at the interface.

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  • 方法简便快速准确适用聚氯乙烯塑料原料及其制品2-乙基基)酯测定

    This method was of simple, speed, accurate which was suitable to the determination of di(2-ethyl hexyl) adipate in polyvinyl chloride plastics materials and products.

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  • 催化剂乳酸裂解制得单体丙交醋,再由乙基锌引发开环聚合得到高分子量的乳酸

    With the Zinc as the catalyst, lactide monomer was obtained by decomposition of low polymer. With the zinc diethyl as the catalyst, the lactide was polymerized to Poly(DL-lactic acid).

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  • 目的观察二乙基亚硝胺(DEN)诱发大鼠肝癌影响

    Objective: to observe the inhibitory effects of se on diethylnitrosamine (DEN) induced hepatocarcinogenesis.

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  • 通过相对应合成苯基乙基酸并红外光谱对其进行初步表征

    Ethyl phenylmalonate was synthesized to pass through the diethyl ethylphenylmalonate, and initially characterized by infrared spectrum.

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  • 采用萃取法,二乙基硫代氨基甲酸测定茶叶可溶性微量铜方法

    To Survey and determine the solubility microcopper in tea with sodium diethyldithiocarbamape by means of Extraction.

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  • 目的比较再生正常二乙基亚硝胺(DEN)启动作用敏感性

    Objective To compare the sensitivity of carcinogenic initiation effect of regenerated liver with normal liver induced by diethylnitrosamine (DEN) in rats.

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  • 十六烷甲基苯氧乙基溴化铵乳化能力起泡泡沫稳定性比较弱具有一定泡和作用

    The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.

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  • 结果鉴定了22成分,占面积99%,而其中甲酸乙基己基占87%。

    Results 22 compounds were identified and was 99% of the total peak area, in which, the Phthalic acid mono - (2-ethylhexyl) ester was 87%.

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  • 应用一二乙基苄基催化剂体系进行橡胶阳离子环化反应。

    Styrene butadiene rubber (SBR) was cyclized with the aid of cationic catalyst system based on diethylaluminum chloride(Al) and benzyl chloride(RCl).

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  • 二乙基为代表,通过详细热力学计算,探讨了不同反应条件乙苯与苯烷基转移反应平衡影响

    Effects of reaction conditions on reaction equilibrium of transalkylation of diethylbenzene and benzene were investigated through detail thermodynamics calculation, with diethylbenzene as sample.

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  • 本文介绍了一种环氧乙烷生产已基技术列举了羟乙基胺的性能应用范围

    A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed.

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  • 本组二乙基亚硝胺诱导大鼠原发性肝癌组织中的组氨酸活性及酶蛋白表达进行了研究

    The catalytic activity of histidase and the expression of the enzyme protein were investigated in rat hepatomas induced by diethylnitrosamine.

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  • 运用DPD (N, N -二乙基对苯胺)分光光度法,建立快速分析工艺过程各种氯胺含量方法

    A rapid analysis method for all forms of chloramines in water production process was developed by using n, N-Diethyl-p-phenylenediamine (DPD) spectrophotometry.

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  • 合成了以羟基封端的脂肪族聚碳酸酯-乙基碳酸醇(PEECD),用于环氧EP树脂增韧

    One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .

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  • 采用静态极化曲线实验的方法,对羧乙基硫代丁进行了阻、缓蚀性能的测定。

    The corrosion-scale inhibition property of carboxyethylthiosuccinic acid was evaluated by the static scale inhibition method and polarization curves experiment.

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  • 本文研究了(2—乙基己基)磷酸(DEHPA)有机相硫酸盐相中的分配报道了平衡热力学分析

    The distribution of cobalt between di-2-ethylhexyl phosphoric acid (DEHPA) and an aqueous phase of sulfates was studied. A thermodynamic analysis of the equilibria was reported.

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  • 目的探讨番荔枝总提取物二乙基亚硝胺(DEN)诱发鼠肝癌的防治作用。

    Objective To investigate the effect of Annona glabra extract(AGE) in preventing DEN-induced Hepatocarcinogenesis in Rats.

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  • 结果表明,十六烷基甲基(2-亚硫酸乙基具有较好的生物降解性常用缓蚀剂复配有协同增效作用

    The experimental result showed that hexadecylldimethyl(2-sulfite)ethyl ammonium had good biodegradability and synergistic effect by mixing with scale and corrosion inhibitor.

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  • 利用氨基乙腈及丙烯腈亲核加成、氢化反应合成了一种新的不等有机化合物2 -氨基乙基-(3-氨基丙基)胺。

    A new inequilateral organic polyamine, 2-aminoethyl-bi(3-aminopropyl)amine, was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile.

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  • 本文观察了乙基倍半氧化物大鼠胃溃疡模型疗效

    The therapeutic efficiency of carboxyethyl germanium sesquioxide(CEG) on three kinds of gastric ulcer model is presented.

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  • 一家中国公司将添加剂标注成甘油,这安全甜味剂浓缩剂然而实际是确实乙基醇,它作为一种廉价的替代品而被广泛用作汽车防冻剂

    Chinese company had identified the additive as glycerin, a safe sweetener and thickener. But it was really diethylene glycol, a low - cost substitute commonly used in automobile antifreeze.

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  • 研究乙基硅油酸酯调和油IR基团振动频率变化,发现乙基硅油与癸酸酯间存在着相互作用。

    Changes of IR group vibrational frequency in the blends of diethyl silicone and sebacate were studied in this paper.

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  • 考察了不同反应条件下反应结果,结果表明,在最佳条件下-硝基苯基苄基2 ,4-硝基苯基乙基收率分别为84.9%和72 .3 %。

    Various factors that affect the condensation are discussed. The results show that the yield of 4-Nitrophenyl Benzyl Ether is 84.9 %, and the yield of 2,4-Dinitrophenyl Ethyl Ether is 72.3 %.

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