最近的高速气体火焰喷涂

论述了各种喷涂方法的特性、各种喷涂材料的开发和应用。对HVOF与各种喷涂方法进行了对比,重点介绍了HVOF喷涂法的优点和应用情况,它在各种喷涂方法中所占的地位。介绍了国际上HVOF方法的发展趋势。     

磷肥化工装置磷矿磨矿工艺介绍与应用

综述了磷肥化工装置磷矿磨粉的湿法磨矿和干法磨矿工艺,介绍了各种磷肥化工装置对磷矿的磨矿要求、湿法磨矿各种流程、干法磨矿各种流程和相关的典型实例项目,探讨了各种流程的的优缺点、原因及适用的场合。     

电刷镀技术与表面工程

论述了各种表面处理技术的优点以及在国民经济和科学技术发展中所起的重要作用；概述了我国电刷镀及各种表面技术的研究和应用现状；介绍了各种表面技术的复合应用和指出了其发展方向。     

芳香疗法研究中使用的各种方法

论述了芳香疗法研究中使用的各种方法。使用这些方法的目的是增加人们对香料和精油的各种功效的了解以及这些芳香化合物作用于人体后产生的各种作用等的知识。论述并讨论了动物实验和人健康受试者试验中 ,香料化合物具有各种生理和药理作用的新成果 ,还强调了芳香疗法的正确定义     

三醋酸甘油酯的合成

介绍了各种合成三醋酸甘油酯方法的反应原理和工艺流程，并对各种合成方法进行了分析和比较。     

数字图像的胶片记录

概述了图像的各种存储方式，讨论了具体特点和局限性，指出胶片是高分辨率图像的优良载体，各种图像存储方式有向胶片转换的必要性，接着介绍了胶片记录仪的现状，论述了各种胶片记录仪的原理和优缺点。     

乙醛酸合成研究进展

介绍了乙醛的各种生产方法，并对各种方法作了技术经济分析和比较。     

从年报看日化上市公司风险及竞争力提升

通过对2012年国内日化上市公司年报的解读与分析,指出了当前国内日化公司可能面临的各种风险,提出了如何采取各种措施和办法提高企业竞争力来应对各种风险。     

香兰素生产工艺研究进展

综述了香兰素生长的各种工艺路线和合成路线的研究进展,并对各种生产工艺路线和合成路线的发展前提提出了观点。     

内燃机燃油添加剂

综合介绍了燃料油添加剂的研究概况和进展,介绍了各种实际应用和最新研究的各种添加剂的品种,并就其功能和作用机理进行了阐述。     

Tracking aromaticity changes in heavy hydrocarbon processing by monitoring changes in electrical resistivity

In this work, the changes in electrical resistivities of a vacuum residuum are analyzed to determine pyrolysis reaction rates at different temperatures during high temperature processing. Fractions of the residual oil from vacuum distillation were treated at a constant and uniform temperature, and electrical resistance was related to aromaticity. The results show that resistivity behaves like a first order decay-like thermal cracking reaction. This method could replace chemical methods used to determine the temperature necessary for thermal cracking reactions and the kinetic parameters of heavy petroleum fractions.     

Maleic Acid Ozonation: Reactor Modeling and Rate Constants Determination

This work is related to ozone treatment of organic wastes, a gas-liquid reaction. A model has been developed that accounts for mass transfer from the gas to the liquid and for the kinetics of chemical reactions. The theoretical approach of the model firstly refers to the film theory enhanced by a new parameter, the depletion factor. This method allows the part of the reaction occurring within the film and that occurring within the bulk to be distinguished. In relation with the first part of the model, the second part allows the overall behavior of a gas-liquid reactor with time to be described. The model is validated by a set of experiments on maleic acid ozonation in a semi-batch reactor.     

计算机模拟辅助的催化反应工程研究与工艺技术开发

针对催化反应动力学、催化剂颗粒工程设计、反应器分析及工艺系统开发的科学、技术与工程问题,在原化工部科技局制定的开发工作框图基础上,结合高技术研究所研发工作的发展要求,发展了计算机模拟辅助的催化反应工程研究与工艺技术开发方法,该方法更加突出了计算机模拟在多尺度研发工作中的重要性,旨在缩短研发周期,保证项目高效实施。同时对催化反应工程研究与工艺系统开发的相关发展进行综述、探讨和展望。     

现代化工仿真技术的发展与应用

化工生产过程普遍存在间歇过程多、自动化程度低、工艺复杂、条件苛刻、危险性高等特点。传统的过程研究及开发手段风险大、周期长,需要消耗大量的人力、物力、财力。而利用现代仿真技术建立一套虚拟生产系统,人们可在没有危险的情况下从事相关科研工作;节省实际研究中所需的高额成本;动态搭建并分析反应流程,优化工艺参数,加快整个化工生产研究的进程;与搭建的流程进行人机交互,实时观察各相关设备的工作状态和反应现象;可人为设置故障点,或改变工艺参数, 为应急演练和操作培训提供一种新的思路和实践;为开展化工流程模拟、仿真培训与生产过程可视化监控提供有效的支持。本文介绍了最近国内外在现代化工仿真技术领域取得的进展并探讨了其未来的发展趋势。     

水泥熟料形成的求算

为了进行水泥生产过程的火用分析 ,提高有效能的利用率 ,有必要把水泥生料在高温化学反应时形成熟料的火用耗进行准确计算 ,故此 ,以物质在发生化学反应过程中所做的功——化学反应火用及反应过程火用损失为理论基础 ,计算了水泥熟料高温烧成时各化学反应阶段的化学反应火用 ,提出了通过火用平衡以计算熟料形成火用的方法     

Computer aided kinetic modeling with KMT and KME

The complexity of many chemical and refining reaction systems and the thus-derived tedious and time-consuming process of building the associated kinetic models have been major obstacles in the use of fundamental kinetics in the solution of chemical engineering problems. This review summarizes work aimed at removing theses obstacles. Our recent work that has led to the enhancement of the Kinetic Modeler's Toolbox (KMT) and the development of the Kinetic Model Editor (KME) presents an end-to-end solution to the kinetic modeling process, including automated feedstock modeling, reaction network construction, kinetic rate estimation, model programming, process system configurations, model customizations, compilations, model execution and results analysis.     

Propellant Gas Phase Chemical Kinetics

An adiabatic constant pressure chemical kinetic study of the AP gas phase is conducted. The objective is to examine the importance of chemical kinetic studies for propellant deflagration modelling in general and for AP in particular. A reaction mechanism consisting of ninety five elementary reactions involving twenty one chemical species is developed to represent the AP gas phase. An important parameter that can be obtained from the kinetics is the time rate of change of temperature of the gas phase at the condensed phase-gas phase boundary (dT/dt at t = 0). This is directly related to the heat feedback from the gas phase to the condensed phase. Comparison with earlier work indicates that the use of a one-step overall reaction could lead to underestimates of heat feedback from the gas phase by a factor of about four. In addition it is found that the rate of decrease of dT/dt at t = 0, with pressure is much larger at lower pressures, suggesting a possible gas phase role in the low pressure deflagration limit. Further, the kinetic study does not support the conclusion of a constant fraction of AP reacting in the condensed phase in the pressure range 20–100 atmospheres. These results are at variance with what is obtained by use of a one-step overall reaction. Thus, the one-step overall reaction cannot represent even qualitatively several gas phase characteristics important for deflagration studies, and its use leads to erroneous results. It is concluded that a full reaction mechanism representation of gas phase chemical kinetics is essential to AP deflagration modelling. The same conclusion is probably valid for propellant deflagration modelling in general.     

表面化学反应控制制备多级结构电极材料及性能

超级电容器和锂离子电池等储能设备的研究和开发日益受到人们的关注。对于超级电容器和锂离子电池等储能设备,其电化学性能主要取决于电极材料,因此高效储能材料的制备成为开发高效储能设备的关键。本文主要介绍了多级结构过渡金属氧化物基电极材料的制备及性能,重点阐述了本实验室近年来在研制高性能超级电容器和锂离子电池方面的相关工作:基于表面化学反应控制制备多级结构金属氧化物、金属氢氧化物/碳嵌入式纳米杂化物以及多种三维结构的多元复合电极材料,表现出优异的电化学性能。     

基于汽油烯烃转化的催化裂化动力学模型

以催化裂化反应机理为基础,把FCC原料及产品按馏程和化学组成进行集总划分.考虑氢转移、芳构化等二次反应,通过对反应网络的合理简化,提出了一种分子水平的动力学模型.通过参数估计求取18个动力学速度常数,建立集总动力学模型以预测汽油的化学结构组成.研究结果表明：该模型能较好预测不同条件下的产率分布,而且可以预测汽油组成分布,有助于降低汽油烯烃含量的研究.