• 他们计划途经海洋空气进行抽样调查,计算机模型预测这些海洋空气中硝基含量不会超过万亿分之五十。

    The plan was to sample nitryl chloride levels in Marine air, which computer models predicted would not exceed 50 parts per trillion.

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  • 离开之前科学家决定通过抽样检测海拔英里博尔德市的空气,在旅程中将用来检测空气硝基含量设备进行检验

    Before leaving, the scientists decided to test the equipment they would use to detect airborne nitryl chloride on the cruise by sampling the air in Boulder, a mile above sea level.

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  • 比较了乙酰乙酰溴中间体硝基安定收率影响

    The effect of chloroacetyl chloride and bromoacetyl bromide on yields of intermediates and nitrazepam was compared.

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  • 制备硝基甲酰处理的间甲酚3-羟基-4-苯酚,并转化为取代的对硝基甲酮

    M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.

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  • 实验结果表明通过双塔精馏,可获得纯度大于96%62硝基甲苯目标产品。

    The results showed that the purity of 6 chloro 2 nitrotoluene was over 96% by two tower distillation.

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  • 硝基反应完全转变苦。

    Complete transformation of the nitro group to chloropicrin takes place in the reaction.

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  • 采用EXAMS模式研究运河常州存在-2-乙基硝基喹啉以及挥发酚暴露、归趋持久性

    The exposure, fate and persistence of bis-(2 -chloroethyl )ether, nitrobenzene, quinoline and volatile phenol existing in the Grand Canal at Changzhou have been studied using EXAMS model.

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  • 这种抑制作用,随酚吸附初始添加浓度增大增强4-硝基苯酚吸附初始添加浓度的增大减弱

    The restraint was increased while increasing the initial concentration of chlorophenols, and declined while increasing the initial concentration of 4-nitrophenol;

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  • 考察了浸渍方法、不同浸渍、贵金属含量还原温度、载体预处理等因素对对硝基苯加氢还原反应的影响

    The effect of impregnation method, impregnation solutions, loading content of Pt, reduction temperature and the carbon pre-treatment on the activity was discussed.

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  • 论还了2,4-二-3,5-二硝基三氟甲基苯合成方法影响收率反应温度,反应时间催化剂进行了研究。

    This paper reported the synthetic method of 2, 4-dichloro-3, 5-dinitrotrifluorotoluene. The effect of temperature, time, and catalyst on yield were studied.

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  • 并以GPA作为标准参照物硝基蓝(NBT)反应用以测定糖化血清蛋白

    GPA can also be used as a standard reference material to react with Nitro Blue Tetrazolium Chloride (NBT) in order to measure the glycosylated serum protein.

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  • 研究由对硝基苯基染料聚环氧丙烷经大分子反应合成偶氮苯共聚醚的二阶非线性光学特性。

    Some novel copolyethers containing azo benzene chromophors as side chains have been synthesized by a nucleophilic reaction of various azo dyes with polyepichlorohydrin.

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  • 作为不对称变色试剂二溴硝基偶氮金属可发生显反应同属铂系元素其他金属的显反应并不明显

    DBNCPA of asymmetry acid bis-diazo reagent have the color reaction with the metal palladium, but have not obvious color reaction with other five kind of metal elements of the platiniridium.

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  • 对较处理硝基甲苯废水通过试验表明采用复合二氧化处理废水效果较理想。

    Mononitrotoluene wastewater is difficult to be treated. The experiment indicates the result of using compound chlorine dioxide generator to this wastewater treatment is satisfactory.

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  • 解决胶原免疫原性,采用经甲酸对硝基苯酯活化的单甲氧基聚乙二醇来修饰胶原酶。

    In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol 5000 (mPEG) activated by p nitrophenyl chloroformate.

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  • 结果表明显著抑制4-硝基苯酚的吸附

    The results indicated: The three kinds of chlorophenol all could significantly restrain the adsorption of 4-nitrophenol from water by black carbon;

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  • 提出了一种以2,3-二硝基原料,氟化、高温化、硝化、再氟化反应合成2,3,4-三氟硝基新工艺路线。

    A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.

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  • 方法硝基甲酰为起始原料,经缩合还原、重氮化、偶合、成盐等反应制得巴氮二

    METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

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  • 方法:以对硝基甲酰为原料,氨解、氢化、重氮化及偶合反应得到了巴柳氮。

    METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.

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  • 硝基2-苯甲酸等污染物的降解率分别为1 0 0 %。

    The degradability for nitrobenzene, 2 chloro butenoic acid are all 100%.

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  • 改进了中间体3,5-二硝基-4-二正丙胺基苯磺酰最终产品安磺灵合成方法,使之适合工业生产要求

    The syntheses of 3,5-dinitro-4-di-n-propylamidobenzenesulfong chloride and oryzalin was improved, makes more is fit for the requirement in the industrial production.

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  • 以2 - - 4 - 硝基苯胺为原料,经过重氮化、偶合反应合成出硝基偶氮苯,经还原进行重氮化偶合反应制备出最终产品分散黄104 。

    Disperse 104 was synthesized by a process starting from diazotization of 2-chrolo-4-nitroaniline, followed by coupling, reduction; and then re-diazotization and re-coupling.

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  • 以2 - - 4 - 硝基苯胺为原料,经过重氮化、偶合反应合成出硝基偶氮苯,经还原进行重氮化偶合反应制备出最终产品分散黄104 。

    Disperse 104 was synthesized by a process starting from diazotization of 2-chrolo-4-nitroaniline, followed by coupling, reduction; and then re-diazotization and re-coupling.

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