电网络及其实时仿真研究

本文回顾了网络研究的历史，分析网络研究应用的内容，结合当今网络研究应用的实际，利用新的研究工具和研究方法，用贝塞尔逼近法设计滤波器，并用PSpice对其进行仿真验证和研究。     

水泥助磨剂的应用研究现状与展望

阐述了水泥助磨剂在水泥粉磨过程中的主要作用，对现有助磨剂进行了分类，对助磨剂在粉磨过程中的作用机理研究进行了阐述，对我国水泥助磨剂的研究应用现状进行了总结，对今后的研究方向进行了展望。     

耐热陶瓷研究现状及发展趋势

耐热陶瓷材料具有热膨胀系数低、强度高、耐腐蚀、热稳定性好等诸多优点，在热加工、冶金、窑具等领域得到了广泛应用。我国学者较早就开始了对耐热陶瓷的研究，并取得一系列的研究成果，常见的耐热陶瓷主要是锂质耐热陶瓷、堇青石耐热陶瓷、莫来石复相耐热陶瓷，后期出现了各类复相耐热陶瓷。随着研究不断深入，人们对耐热陶瓷材料的要求越来越高，近些年，研究人员开始对耐热陶瓷材料改性感兴趣。基于此，本文对当前耐热陶瓷的种类、研究现状、耐热陶瓷的改性研究进行了综述，并分析了当前耐热陶瓷依然存在的问题，探讨了进一步的研究方向。     

基于ABAQUS的管土相互作用计算方法研究

本文提出了运用有限元分析软件ABAQUS研究管土相互作用的几种方法，建立了相关模型，并分析了这几种方法的适用条件及其优缺点，提出了今后的研究方向，为研究管土之间相互作用提供参考。     

催化氧化法合成2-丁基-4-咪唑基甲醛

介绍了２ 丁基 ４ 咪唑基甲醛的合成原理， 研究了其催化氧化合成方法， 并对不同溶剂对反应转化率的影响进行了研究和讨论， 取得了阶段性研究结果。     

导电聚苯胺的制备方法及应用

综述了导电聚苯胺的研究进展，介绍了聚苯胺的分子结构与导电机理，采用对比的方法详细介绍了聚苯胺的合成方法及其改进方法，简要介绍了聚苯胺在二次电池及传感器件等方面的应用研究，指出了聚苯胺研究中存在的问题，并对聚苯胺研究的前景进行了展望。     

三维电催化技术反应机理及其应用研究

综述了近几年国内外对三维电催化技术的研究进展，详细总结了该技术的基本反应机理，系统地分析了三维电催化技术中电极材料对废水处理效果的影响，介绍了负载型粒子电极的应用研究，探讨了该技术在不同废水处理中的应用情况，以及与其他处理技术耦合应用研究，展望了三维电催化技术的研究前景。     

生物活性纤维素复合体的研究 Ⅰ.微晶纤维素对聚合抗菌素的吸附

本文研究了微晶纤维素对聚合抗菌素—卡达波尔的吸附作用，探讨了初始浓度、时间和温度对吸附量的影响，通过对吸附速率常数和吸附等温线的分析，研究了吸附过程，并利用红外光谱和扫描电镜手段研究了复合体的形态结构．     

大港埕海油田自动化实时数据监控技术研究与应用

自动化技术对大港埕海油田开发管理起着重要的支撑作用，本文在对埕海一区自动化系统结构进行分析的基础上，对实时数据库技术以及整个埕海油田自动化系统结构建设进行 研究，主要开展了控制系统实时数据进行整合和上传研究，并对埕海油田自动化系统总体结构进行了研究。通过研究及现场应用可知，实时数据库延伸了生产管理的视野，同时为第三方软件提取实时数据分析再利用以指导生产提供了基础，埕海油田自动化总体结构研究为进一步规范自动化系统建设，保持自动化系统的先进性和实用性提供了基础，具有很好的指导意义。     

PM2．5对人体健康的影响研究进展

结合国内外关于PM2.5与健康的研究，综述了PM2.5与健康的研究方法，以及PM2.5对呼吸系统，心血管系统，神经系统等其他方面的影响，并在此基础上对今后相关的研究方向进行了展望。     

三相流沸腾传热

对三相流沸腾传热进行了理论分析和实验研究，研究了三相流沸腾传热特性，提出了三相流沸腾传热系数的计算方法，实验结果表明，由于固体粒子的存在，强化了沸腾传热，三相流沸腾传热系数是相同条件下汽－液两相流沸腾传热系数的两倍。固体粒子的存在，能有效地防止和清除传热壁面上的污垢。     

聚合物相转移材料在建筑节能中的应用进展

随着能源危机的加剧,具有保温和储能性质的相转移材料对合理利用能源有着重要的价值和意义。就目前国内外关于聚合物相转移材料的研究现状进行了综述。介绍了目前聚合物相转移材料的分类,不同种类的聚合物相转移材料的性能、聚合物相转移材料在储热方面的应用技术等。讨论了聚合物相转移材料在建筑节能中的发展现状、研究和应用进展以及当前存在的主要问题,提出了聚合物相转移材料研究面临的挑战和需要解决的问题。     

Φ42mm换热管内置铝制扭带强化传热特性的研究

对Ф42mm换热管插入扭带后的阻力特性和传热特性进行了分析,发现插入扭带以后,传热系数和流动阻力均增加,并且二者均随扭带的带宽增大而增大;通过非线性回归分析,得到插入铝制扭带后换热管摩擦阻力系数关联式和给热系数关联式;对插入扭带的换热管进行了强化传热性能评价分析,传热性能评价因子的数值在1．09～1．44范围之间,研究的扭带均具有强化传热的应用价值。     

新型吸附床的研究进展

吸附床是吸附式制冷装置的核心部件,其性能的优劣直接关系到吸附式制冷装置的制冷效果.通过吸附床的热阻分析,得出强化吸附床传热的措施.文中重点介绍了提高吸附剂与换热壁面的换热系数和吸附剂间的导热系数来强化吸附床传热的方法,详细介绍了填充式吸附床、涂抹式吸附床以及固化式吸附床的结构特点,比较分析3种吸附床的传热传质特点,并阐...     

LAMINAR FLOW HEAT TRANSFER WITH INLINE MIXERS INSERTS

Heat transfer coefficients were measured for heat transfer to a Newtonian fluid flowing in laminar flow through a tube with inline mixer inserts. Kenics “Static” mixer and Ross LPD mixer inserts were studied as heat transfer augmentation devices. The mixer inserts were in the inner tube of a concentric tube heat exchanger. Steam was condensed in the annulus of the exchanger. Significant heat transfer enhancement was obtained with both inserts at the expense of even greater pressure drop increases. The use of the Ross mixer insert gave greater augmentation than did the use of the kenics insert. An analysis using the analogy between momentum and heat transfer allowed the prediction of heat transfer coefficients from pressure drop measurements. The predicted coefficients were in good agreement with experimentally measured heat transfer coefficients for laminar flow.     

Total and gas convective heat transfer from a vertical tube to a mixed particle gas—solid fluidized bed

Experimental data were obtained for the average gas convective and total heat transfer coefficients for a vertical tube immersed in an air-fluidized bed of narrowly as well as widely distributed particle size mixtures. The gas convective heat transfer coefficient was determined by measuring the rate of mass loss from a vertical naphthalene tube 0.0262 m in diameter and 0.1012 m in length and using a heat and mass transfer analogy. These data were obtained at a bed temperature of about 330 K and superficial velocity of 0.1 to 1.1 m/s. The total heat transfer coefficients were measured under identical conditions using an electrically heated vertical tube. The total heat transfer coefficient decreased with an increase in particle diameter from 0.237 to 1.35 mm. The addition of fines was found to increase the total heat transfer coefficient. The gas convective heat transfer coefficient increased with increase in particle size and fluidizing velocity. The dependence of the gas convective heat transfer coefficient on gas velocity was more pronounced for large particles. The addition of fines resulted in decrease in gas convective coefficient. The relative contribution of the gas convective component of heat transfer coefficient was found to increase with increase in particle diameter. Its dependency on fluidizing velocity was found to be more complex. The experimental data were compared with the existing heat transfer models and correlations.     

LAMINAR FLOW HEAT TRANSFER WITH INLINE MIXERS INSERTS

Heat transfer coefficients were measured for heat transfer to a Newtonian fluid flowing in laminar flow through a tube with inline mixer inserts. Kenics “Static” mixer and Ross LPD mixer inserts were studied as heat transfer augmentation devices. The mixer inserts were in the inner tube of a concentric tube heat exchanger. Steam was condensed in the annulus of the exchanger. Significant heat transfer enhancement was obtained with both inserts at the expense of even greater pressure drop increases. The use of the Ross mixer insert gave greater augmentation than did the use of the kenics insert. An analysis using the analogy between momentum and heat transfer allowed the prediction of heat transfer coefficients from pressure drop measurements. The predicted coefficients were in good agreement with experimentally measured heat transfer coefficients for laminar flow.     

新型硅橡胶膜生物反应器用于有机废水处理的膜传质动力学

用中空纤维型硅橡胶管构造了管束式和卷绕式两种膜器,将它们结合进一个生物反应器系统,用于对废水中的挥发性有机化合物（VOC）进行生物降解处理。本文以甲苯为对象,研究了VOC在这种系统中穿过膜的传质问题。基于液-膜-液的串联阻力概念和质量平衡,构造了一个关于膜总传质系数的简单指数模型,用于传质实验的分析。将甲苯溶于水中模拟有机废水,配制适合于甲苯降解细菌生长的培养液,进行了甲苯从废水穿过膜到培养液中的传质实验,并将细菌移植进培养液进行了生物降解条件下的传质实验。对培养液中细菌存在和不存在两种情况下的甲苯传质实验进行了分析。结果表明,总传质系数的指数模型基本上与实验条件符合,所得到的甲苯的总膜传质系数具有10-6m·s-1数量级,卷绕膜器的总传质系数较管束型的稍高,生物反应条件下的总传质系数又较细菌不存在时的稍高。     

Flow and heat transfer characteristics of finned tube with internal and external fins in air cooler for waste heat recovery of gas-fired boiler system

In this present study, attempts were made to investigate the flow and heat transfer characteristics of finned tube with internal fins and external fins by experiment and numerical simulation. The test finned tube was installed in a single smooth tube and formed a shell-and-tube heat exchanger. The experiments were conducted in heat transfer test system with hot air in the tube side and cold air in the shell side. Overall heat transfer coefficients were calculated and heat transfer coefficients in the tube side were determined. Three-dimension computation was performed to predict the flow and heat transfer performance in the finned tube. The effects of external fin height and pitch of the finned tube on shell-side flow and heat transfer were studied by numerical simulation. The numerical results agree well with the measurements. The maximum differences between the present numerical results and the experimental data are approximately 6.9% for heat transfer coefficient and 4.7% for friction factor, respectively. The velocity and temperature fields are obtained to discern the mechanisms of heat transfer enhancement. Numerical results indicate that the steady and spatially periodic growth and disruption of vortices occur in external fin to fin region.     

烟包转移涂料研究进展

综述了烟包转移涂料的发展趋势,转移涂料从性能到材质不断提升,其表现为从普通转移涂料到镭射转移涂料;从不耐温转移涂料到耐高温转移涂料;从两次涂布到一次涂布;从溶剂型转移涂料到水性转移涂料。