有奖纠错
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A clean process for synthesizing fluobenzene with aniline was developed.

开发了以料的清洁生产工艺。

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A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.

阐述了采用液碱(苛性钠溶液)代替氨水生产对氨基-N,N-二甲基的方法。

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Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝基和活性化钾等料,经二步法合成了对

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N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

和溴乙烷料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N,N二乙基

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A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用-甲醛与双氰反应得到了一种改性产物。

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Picoline is the by-product in the preparation of diphenylamine with aniline.

甲基啶是连续缩合合成二的副产物。

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Dichlorofluorobenzene is prepared by diazotizating of 2,4-dichloro aniline and substituting of 2,4-dichloro diazo benzene with fluorinion.

在此概述了由2,4-二氯经过重氮化、置换制得2,4-二氯的生产新工艺,产品纯度达到99。

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Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

、邻硝基氯料,采用直接缩合法引入相转移催化剂合成邻硝基二

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The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).

利用基质辅助激光解吸电离飞行时间质谱法分析三偶氮化合物。

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N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.

用四乙基氯化作相转移催化剂可在常压下由和溴乙烷合成N,N-二乙基

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Metachromatic granules contain RNA and polyphosphates They are deeply stained with aniline dyes。They are characteristic features of the corynebacteria.

异染颗粒含RNA和多聚磷酸盐。用染料可浓染。是棒状杆菌的特点。

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Organic colors related to carcinogenic aromatic amine, especially the important intermediate 3,3' dichloroaniline of organic color are discussed in details.

本文就有机颜料涉及的致癌芳香,特别是有机颜料的重要中间体3,3′二氯联作详细阐述,并对其他一些生态环保问题进行探讨。

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Methods To detect the sed occult blood of 200 specimens with both ortho-tolidine method and immunogold method.then analyse the results.

方法用邻联甲和便隐血胶体金检测试纸分别检测200例粪标本进行对照实验并分析。

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Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.

合成新型热致液晶聚脲,以含液晶基元的联(或联邻甲)、1,6-己二、2,4-甲二异氰酸酯料进行合成。

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The white mixture of starting materials turns green after milling, indicating the formation of polyaniline in its doped emeraldine oxidation state.

白色的初始材料混合物在球磨后变成了绿色,这表明,混合物在掺杂绿氧化状态下形成了聚

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The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl-anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.

虽然用N-十二酰基-L-脯氨酸-3,5-二甲基作添加剂,手性选择性也较好,但由于含有环,紫外吸收增强,基线波动严重。

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By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还性质,将难生物降解的有机物硝基先还生成亚硝基,然后再进一步还成可生物降解的

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Every ten nude mice were killed at 8 and 12 weeks and were examined by safranine O-fast green and toluidine blue staining.

8,12周各处死10只,行甲蓝和番红O-固绿染色。

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N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.

以邻氯甲酸和对乙氧基料,经过基化、二芳的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。

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A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯、硫氰酸铵、硫酰氯、亚硝酸钠和氯乙酸乙酯主要料合成草除灵乙酯的方法。

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SciShow - Chemistry

And soon, aniline dyes were all the rage.

不久,苯胺染料就风靡一时。

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SciShow - Chemistry

Aniline is a toxic organic compound that was first isolated from the indigo plant in the 1820s.

苯胺是一种有毒的有机,首次从靛蓝植中分离出来是在19世纪20年代。

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雅思读真题

He was attempting to manufacture quinine from aniline, an inexpensive and readily available coal tar waste product.

他试图用苯胺制造奎宁,苯胺是一种廉价且容易获得的煤焦油废料。

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雅思读真题

Among other dyes he developed and introduced were aniline red (1859) and aniline black (1863) and, in the late 1860s, Perkin's green.

他开发和推出的其他染料包括苯胺红(1859 年)和苯胺黑(1863 年),以及 1860 年代后期的珀金绿。

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雅思读真题

Incorporating potassium dichromate and alcohol into the aniline at various stages of the experimental process, he finally produced a deep purple solution.

他在实验过程的各个阶段将重和酒精加入苯胺中,最终制成了深紫色溶液。

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SciShow - Chemistry

But in 1856, a chemistry student named William Henry Perkin was trying to use aniline to create an antimalarial drug, when he accidentally created mauveine, a bright purple dye.

但在1856年,一名名叫威廉·亨利·珀金的学学生在尝试使用苯胺制造抗疟药时, 意外创造了一种亮紫色的染料——紫藤素。

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SciShow - Chemistry

People who wore socks, gloves, and shirts colored with aniline, or shoes that had been shined with an aniline-based polish, often suffered inflammatory skin reactions or headaches and dizziness… because the dye was poisoning their blood.

穿着用苯胺染色的袜子、手套和衬衫,或者擦过苯胺基鞋油的鞋子的人, 经常会出现皮肤炎症反应或头痛和头晕… … 因为这种染料正在毒害他们的血液。

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