他们计划对途经海洋的空气进行抽样调查,计算机模型预测这些海洋空气中硝基氯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.
离开之前,科学家们决定通过抽样检测海拔一英里的博尔德市的空气,对在旅程中将会用来检测空气中硝基氯含量的设备进行检验。
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.
比较了氯乙酰氯和溴乙酰溴对中间体及硝基安定收率的影响。
The effect of chloroacetyl chloride and bromoacetyl bromide on yields of intermediates and nitrazepam was compared.
制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚,并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
实验结果表明,通过双塔精馏,可获得纯度大于96%的6氯2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.
硝基在反应中完全转变成氯苦。
Complete transformation of the nitro group to chloropicrin takes place in the reaction.
采用EXAMS模式,研究了运河常州段中存在的双-(2-氯乙基)醚、硝基苯、喹啉以及挥发酚的暴露、归趋和持久性。
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.
这种抑制作用,随氯酚吸附初始添加浓度的增大而增强,随4-硝基苯酚吸附初始添加浓度的增大而减弱;
The restraint was increased while increasing the initial concentration of chlorophenols, and declined while increasing the initial concentration of 4-nitrophenol;
考察了浸渍方法、不同浸渍液、贵金属含量、还原温度、载体的预处理等因素对对氯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.
论还了2,4-二氯-3,5-二硝基三氟甲基苯的合成方法;对影响收率的反应温度,反应时间和催化剂进行了研究。
This paper reported the synthetic method of 2, 4-dichloro-3, 5-dinitrotrifluorotoluene. The effect of temperature, time, and catalyst on yield were studied.
并以GPA作为标准参照物与氯化硝基四氯唑蓝(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.
研究了由对硝基苯基偶氮苯类染料与聚环氧氯丙烷经大分子反应合成的含偶氮苯侧基的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.
作为不对称变色酸双偶氮试剂的二溴硝基偶氮氯膦与金属钯可发生显色反应,而与同属铂系元素的其他五种金属的显色反应并不明显;
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.
对较难处理的硝基甲苯废水,通过试验表明,采用复合二氧化氯处理该废水效果较理想。
Mononitrotoluene wastewater is difficult to be treated. The experiment indicates the result of using compound chlorine dioxide generator to this wastewater treatment is satisfactory.
为解决胶原酶免疫原性,采用经氯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.
结果表明:三种氯酚都能显著抑制黑碳对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;
提出了一种以2,3-二氯硝基苯为原料,经氟化、高温氯化、硝化、再氟化反应合成2,3,4-三氟硝基苯的新工艺路线。
A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.
方法以对硝基苯甲酰氯为起始原料,经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。
METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
方法:以对硝基苯甲酰氯为原料,经氨解、氢化、重氮化及偶合四步反应得到了巴柳氮。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
硝基苯、2-氯代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%.
改进了中间体3,5-二硝基-4-二正丙胺基苯磺酰氯和最终产品安磺灵的合成方法,使之更适合于工业生产的要求。
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.
以2 - 氯- 4 - 硝基苯胺为原料,先经过重氮化、偶合反应合成出对硝基偶氮苯,经还原后再进行重氮化与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.
以2 - 氯- 4 - 硝基苯胺为原料,先经过重氮化、偶合反应合成出对硝基偶氮苯,经还原后再进行重氮化与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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