The mechanism of the phase transfer catalytic polycondensation was investigated, and a diagram of the phase transfer catalytic cycle was suggested. The reaction locus was found to be in the organic phase.
相转移催化反应是近年来发展起来的一种有机合成新方法，特别在有机合成方面已得到广泛的应用，有些已在工业上得到了推广。
The mechanism of V2O5 catalytic cycle for methane partial oxidation in oleum was discussed and the macro-kinetic model was deduced.
甲烷在部分氧化反应中首先转化为硫酸甲酯，后者进一步水解得到甲醇。
Catalytic cracking; light cycle oil; basic nitrogen compounds; denitrogenation
催化裂化；柴油；碱性氮化物；脱氮
Another experiment shows that human DOC-1 associates with DNA polymerase alpha/primase and mediates the phosphorylation of the large p180 catalytic subunit, suggesting it may be a potential regulator of DNA replication in the S phase of the cell cycle.
另有实验表明人的DOC-1蛋白与DNA聚合酶α/引物酶相关，并且介导p180亚单位的磷酸化过程，这提示了DOC-1蛋白可能是细胞周期中S期DNA复制的潜在的调节因子。
There exists obvious synergetic effect between macerals during hydropyrolysis which increases with increasing H〓 pressure, . Vitrinite tar contains more long chain hydrocarbons, while inertinite tar contains more oxygen-containing hetero-cycle compounds, aromatic hydrocarbons and PAHs.(4) The gasification and catalytic-gasification of coal macerals.
3煤显微组分的加氢热解特性：挥发分和烃类的逸出规律与热解相同；随压力增加，所得半焦的燃烧反应性先减小后增加；镜质组和惰质组在加氢热解过程中有明显的协同作用，且随压力的升高而增加；镜质组焦油中有较多的长链烃类；惰质组焦油中有较多的芳烃、含氧杂环和多环芳烃。
The results showed that the amorphous iron oxide has highly catalytic activity. The intermediate products are pyrocatechin, hydroquinone, benzoquinone and low-grade fatty acid. The mechanism of catalyst oxidation is assumed that the free radical OH attacks benzene cycle at the adjacent position and para-position of OH on phenol so that the benzene cycle is opened and low-grade fatty acid is produced and transformed into CO2 and H2O.
结果表明，非晶铁氧化物催化剂在催化氧化降解苯酚时具有较高的催化活性，苯酚降解的中间产物有：对苯二酚、邻苯二酚、苯醌和低级脂肪酸，其降解机理是羟基自由基攻击苯环上OH的部位或对位而使苯环开环，生成低级脂肪酸，并最终转化成二氧化碳和水，从而使苯酚得以降解。
Good health, educated, enthusiastic participation, and efficient work of young people can: break the generational cycle of poverty; the promotion of innovation and economic development; in promoting democracy and open society to play a catalytic role; prevent the spread of HIV and AIDS epidemic dissemination of information; to promote understanding between the various groups in order to play down the conflict and make their country more secure from the negative point of view, to ignore young people will lead to a heavy price: a recent study found that young people in South-Eastern Europe, the region infected with a HIV and AIDS in young people caused by the annual loss of wages, drug and treatment costs of about
身体健康、受过教育、热心参与、有工作和高效率的青年可以：打破代际贫困循环；推动创新和经济发展；在推动民主和社会开放中发挥催化剂作用；防止艾滋病毒和艾滋病等流行病的传播；增进各群体之间的了解，从而淡化冲突并使他们的国家更安全从消极角度来说，忽视青少年会导致沉重的代价：最近对东南欧青少年的研究发现，该地区一个感染了艾滋病毒和艾滋病的青少年每年造成的工资损失、药物和治疗代价大约为40万美元。
Based on six-lump residual fluid catalytic cracking kinetic models of raw material (vacuum residue/slurry layer, petrolatum/cycle oil layer, diesel fuel) and product (gasoline, liquefied gas and dry gas, coke) of maximizing isoparaffins and the fluid characteristics in the industrial riser reactors, a processing simulation model adopting the combination model of ideal series plug flow reactor model and ideal continuously stirred tank reactor model was constructed.
针对MIP工艺的原料（减渣／油浆层、蜡油／回炼油层、柴油层）和产物（汽油、液化气＋干气、焦炭）六个集总组分渣油催化裂化动力学模型，并根据某工作催化裂化提升管反应器流场特性应用序列理想平推流反应器与理想全混流反应器模型的混合反应器模型，建立了工业渣油催化裂化装置反应再生过程工艺计算模型。
Catalytic cracking cycle slurry is rich in heavy arenes and can be applied to produce filled oak oil after furfural refining. Raffinate oil can also be used as catalytic cracking feedstock.
催化裂化回炼油浆富含重芳烃，经糠醛精制后，抽出油可用于生产橡胶填充油，同时抽余油可作为催化裂化原料回炼，回炼油浆得到充分利用。
The reactional energy, the enthalpy of formation, and relative Gibbs free energy of the reactions in the Cl-ClO catalytic cycle are calculated exactly, and provided thermodynamics quantities for the reactions in the Cl-ClO catalytic cycle.
还对循环圈中各个反应的反应能，生成焓，相对吉布斯自由能做了计算，计算结果相互协调都说明了Cl-ClO催化循环圈破坏臭氧机理的正确性。
Compositional analysis of feed, heavy cycle oil and clarified oil of RESID CATALYTIC CRACKING
渣油催化裂化的原料油及循环油和澄清油的组成分析
Experimental Study on the Catalytic Decomposition of Hydrogen Iodide for SI Thermochemical Cycle
热化学硫碘制氢中碘化氢催化分解的实验研究
Performance Estimation and Feature of Motor Cycle Catalytic Convert Agent on Engine Test Bench
摩托车催化转化剂的发动机台架性能评价和特点
Influence of solvent refining on catalytic cracking performance of inferior coker gas oil and heavy cycle oil
溶剂精制对焦化蜡油和催化回炼油催化裂化反应性能的影响
Separation and utilization of aromatic hydrocarbons from catalytic cycle oil
催化裂化循环油中芳烃的分离和利用
Study on Integrated Process of Catalytic Cracking Cycle Oil - Aromatic Extraction
催化裂化回炼油-芳烃抽提组合工艺研究
Development of a genetic network mode for predicting the solidifying point of catalytic cracking light cycle oil
催化裂化轻柴油凝点遗传网络模型开发
A Catalytic Method for Determination of Trace Copper in Water-Steam Cycle of Power Plants
催化法测定火力发电厂循环水汽中的痕量铜
Catalyst is the core part of catalytic reactor, because of the porous structure of catalyst, the internal flow field, temperature field of catalyst is very complex, the research cycle is long, low efficiency to measure catalyst model by traditional experimental method.
催化剂是催化反应器的核心部分，但由于催化剂的多孔结构，其内部流场、温度场是十分复杂的，通过传统的实验方法对催化剂进行测定周期长，效率低。
Key points in the research of the direct method include the development of high effect catalysts, the design of catalytic cycle caused by the insertion of carbon dioxide into metal oxygen bond and the application of coupling reaction.
直接法研究的关键在于高性能催化剂的开发、由二氧化碳对金属-氧键插入反应导致的催化循环的构筑及耦合反应的应用。