对二硝基苯

邻、对二硝基苯的相转移催化甲氧基化反应探讨

The Research on Phase-Transfer Catalytic Methoxylation of o - and p - Dinitrobenzene

人工神经网络-伏安分析法同时测定邻、间、对二硝基苯

Simultaneous Determination of o _ , m _ , and p _Dinitrobenzene in Mixture by Artificial Neural Network and Differential Pulse Voltammetry

其余甲苯、对二硝基苯、对二甲酚3种有机污染物的含量符合国家允许排放浓度。

The remaining : toluene , dinitrobenzene , and xylenol three kinds of organic contaminants in line with the state to allow emission levels .

系统地研究了邻二氯苯混酸绝热硝化的DVS值、混酸组成及摩尔比等因素对2,3-二氯硝基苯收率的影响。

The preparation of 2,3 dichloronitrobenzene from O dichlorobenzene Via mixed acids adiabatic nitration is studied .

以W-4型Raney-Ni为催化剂，添加少量脱氯抑制剂（助催化剂），对3,4-二氯硝基苯催化加氢进行了研究。

Catalytic hydrogenation of 3,4-dichloronitrobenzene with W-4 Raney-Ni catalyst was investigated .

Ni/SiO2催化剂的制备条件对催化间二硝基苯加氢反应性能的影响

Effects of preparation conditions on ni / sio_2 catalyst activity in m-dinitrobenzene hydrogenation

利用相转移催化甲氧基化反应，对粗制间二硝基苯进行处理，将其中的邻、对位异构体转化为对应的硝基苯甲醚。

Crude m-dinitrobenzene was treated by phase-transfer catalytic methoxylation , and the conversion of its o - and p - isomers into the corresponding nitro-anisole was achieved .

为此，开发对间-二硝基苯加氢反应具有高活性、高选择性和长寿命的负载型镍基催化剂是本课题的研究重点。

In this thesis , the supported nickel catalyst has been attempted to use for the hydrogenation of m-dinitrobenzene in order to find an effective catalyst with high activity , selectivity and long service life .

结果表明，硝基苯类化合物转化为苯胺等化合物，对硝基苯和间二硝基苯2种化合物在黏土中的还原率分别达到91%和90%。

Nitrobenzene compounds transformed into benzylamine compounds ; the reduction rates of PNT and MDNB in clay were highest , reaching 91 % and 90 % , respectively .

试验发现，在适宜的投量下，臭氧化可改善活性炭对丹宁和间二硝基苯的吸附性能，但是对其它四种硝基芳烃的吸附有不利影响。

It was found that the ozonation had improved the activated carbon adsorption capacities and performance for the tannin and m-dinitrobenzene , while exhibited adverse effects on adsorption of four kinds of aromatic compounds .

用气相色谱-质谱联用仪（GC-MS）对零价铁在常温常压下还原3种土壤中对硝基苯和间二硝基苯进行了研究。

The reduction of p-nitrobenzene ( PNT ) and m-dinitrobenzene ( MDNB ) in three kinds of soils by zero-valent iron ( ZVI ) at normal temperature and pressure was studied using gas chromatography-mass spectrometry ( GC-MS ) .

对硝基苯的降解得出与苯胺相似的结论，同时还通过GC-MS技术检测到了硝基苯降解过程中的主要中间产物，包括邻、间、对硝基苯酚、间或对二硝基苯和偶氮苯等。

And in the process of nitrobenzene degradation , GC-MS found the main intermediates , which include 2-nitrophenol , 3-nitrophenol , 4-nitrophenol , 1,3-nitrobenzene or 1,4-nitrobenzene and Azobenzene .