Reaction Condition Optimization of Catalytic Hydrogenation of m-Dinitrobenzene by BP Neural Network 采用BP神经网络优化间二硝基苯催化加氢的反应条件
Objective To observe the changes of serum bilirubin ( BR) and liver heme oxygenase ( HO) after inducing oxidation injury in rats by m-dinitrobenzene ( m-DNB) and to analyze their effects and significance in anti-oxidation. 目的在间二硝基苯(m-DNB)诱导的大鼠氧化损伤的基础上,观察胆红素、血红素加氧酶的变化,并分析两者在抗氧化方面的作用和意义。
Application of computer control in production processes of m-dinitrobenzene 微机控制在间二硝基苯生产中的应用
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. 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。
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). 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。
Liquid-Phase Hydrogenation of m-Dinitrobenzene to m-Phenylenediamine over Silica-Supported Nickel Catalyst Ni/SiO2催化剂上间二硝基苯液相加氢制间苯二胺
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. 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。
Effects of Preparation Methods of Support on the Properties of Nickel Catalyst for Hydrogenation of m-Dinitrobenzene 载体制备方法对Ni催化剂催化间二硝基苯加氢反应的影响
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. 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。
Selective Hydrogenation of m-Dinitrobenzene to m-Nitroaniline over Modified Skeletal Ru 改性骨架钌催化加氢间二硝基苯制备间硝基苯胺
[ Objective] To study the effects of bilirubin on the oxidative DNA damage induced by m-dinitrobenzene ( m-DNB) in primary culture of rat hepatocyte. [目的]探讨胆红素拮抗间二硝基苯(m-DNB)诱导大鼠肝细胞DNA氧化损伤作用。
The effects of calcination temperature and reduction temperature on the silica supported nickel catalyst, which were prepared by impregnation of silica with nickel nitrate solution, were investigated in the liquid-phase hydrogenation of m-dinitrobenzene to m-phenylenediamine. 将Ni/SiO2催化剂应用于间二硝基苯加氢反应中,考察了该催化剂制备过程中焙烧温度和还原温度对其催化性能的影响,并通过BET、XRD、TEM、TPR等方法对催化剂进行了表征。
Effects of preparation conditions on ni/ sio_2 catalyst activity in m-dinitrobenzene hydrogenation 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
Improvement on Refining Process of m-Dinitrobenzene 间二硝基苯精制工艺的改进
The catalytic hydrogenation technology of m-dinitrobenzene in liquid phase is an attractive and elegant routine for the production of m-phenylenediamine, owing to the advantages such as high product yield, good product quality and much less pollution to environment. 间-二硝基苯液相催化加氢法合成间-苯二胺具有收率高、产品质量好、环境友好等优点,是制取间-苯二胺的一条有效的工艺路线。
Study on Preparation of m-Phenylenediamine by Catalytic Hydrogenation of m-Dinitrobenzene 间二硝基苯催化加氢制备间苯二胺
The the rates of degradation reached as high as 91% and 90% for p-nitrotoluene and m-dinitrobenzene, respectively. GC-MS检测结果表明,零价铁对对硝基甲苯和间二硝基苯的还原降解率最高分别达到91%和90%。