油滴釉制作工艺的研究

在研制氧化气氛烧制油滴黑釉器的基础上 ,探讨了影响油滴釉形成的工艺因素。通过一系列试验 ,进一步验证了油滴釉在结晶过程中主要发生了液液分相 ;釉料的化学组成是油滴晶斑形成的先决条件 ;釉层厚度、烧成制度等是决定釉面效果的重要因素 ;油滴晶斑的呈色不仅与烧成气氛有关 ,还与着色氧化物的引入有关。     

Fuzzy arithmetic based reliability allocation approach during early design and development

During early design and development stages, every engineering system has to meet its specific reliability goals. The target reliability of the system is achieved through application of an effective reliability apportionment technique to its subsystems. There are various traditional methods exist to perform the reliability allocation based on engineering factors that are assessed in a subjective manner. The conventional reliability allocation approach requires the assessment of factors like complexity, cost, and maintenance. This may not be realistic in real applications if they are assessed in a crisp manner by the domain experts of their varied expertise and background.In this paper, we treat allocation factors as fuzzy numbers, which are evaluated in fuzzy linguistic terms. As a result, fuzzy proportionality factor scales are proposed for the subsystems. In order to accomplish fuzzy division to evaluate the fuzzy proportionality factor, an approximation method based on linear programming for trapezoidal fuzzy numbers is also proposed in this paper. For the evaluation of weighting factors from fuzzy proportionality factors, centroid method of defuzzification is being employed. The allocated reliability of each subsystem is computed with the help of weighting factor thereafter. An example is provided to illustrate the potential application of the proposed fuzzy based reliability allocation approach.     

转盘反应器固定米根霉的L－乳酸发酵

研究了米根霉的固定化方法，研制了用吸附法固定米根霉的生物转盘反应器，考察了在该反应器中培养基组成及其它操作条件对Ｌ－乳酸发酵的影响。实验结果表明，应用吸附法固定化的米根霉及生物转盘反应器进行Ｌ－乳酸发酵具有发酵速率快，Ｌ－乳酸得率高及既能用于连续发酵又能用于间歇发酵等优点     

A_1-A_2-O-M工艺处理焦化废水的实验研究

采用厌氧-缺氧-好氧-复合(A1-A2-O-M)工艺处理焦化废水,考察了外加碳源和碱源对焦化废水COD和NH4+-N脱除效果的影响。试验结果表明:外加甲醇和碳酸氢钠对焦化废水的硝化和反硝化效果影响很小;不外加碳源和碱源时,焦化废水经处理后出水的COD和NH4+-N平均质量浓度分别为125.0mg/L和1.12mg/L,分别达到《污水综合排放标准》(GB8978-1996)中的二级标准和一级标准。     

催化热裂解工艺机遇及影响因素

分析了催化热裂解过程的反应机理及乙烯和丙烯形成的反应，乙烯和丙均可通过热裂解和催化裂解生成，讨论了影响乙烯，丙烯产率的因素：与USY和REY相比，使用ZSM－5催化剂能够提高乙烯，丙烯产率，磷改性ZRP－1经碱土金属改性后，可进一步提高乙烯和丙烯的产率，提高反应温度和降低剂油比，能够提高热裂解和催化裂解的比例，有利于乙烯产率的提高；增强蒸汽量能够减少焦炭产率，提高乙烯和丙烯产率。     

Texaco煤气化装置长周期运行影响因素分析

介绍了Texaco煤气化工艺流程,从原料煤种、水煤浆浓度、操作工艺、关键设备等几个方面讨论了影响装置长周期运行的因素,提出了延长气化装置运行周期的措施。     

影响水库中酸碱度变化因素的研究

通过监测数据分析,辽阳市境内所属两座水库在2006年均出现了pH值大于8.50的现象,经过实验及现场调查,发现其主要原因是水库两岸的有机质及腐殖质的分化对水库中水质中酸碱度产生了影响。     

Fundamentals of systems ergonomics/human factors

Ergonomics/human factors is, above anything else, a systems discipline and profession, applying a systems philosophy and systems approaches. Many things are labelled as system in today's world, and this paper specifies just what attributes and notions define ergonomics/human factors in systems terms. These are obviously a systems focus, but also concern for context, acknowledgement of interactions and complexity, a holistic approach, recognition of emergence and embedding of the professional effort involved within organization system. These six notions are illustrated with examples from a large body of work on rail human factors.     

啤酒废水处理技术研究

采用压力生物氧化－气浮组合工艺处理啤酒废水。试验结果表明，在适当条件下，进水ＣＯＤ为１６３０－２３６０，ｇ／Ｌ，生化反应容积负荷１２．３－１５．６ｋｇＣＯＤ／Ｍ＾３．ｄ，气浮水力负荷２８．８－５２．９ｍ＾２／ｍ＾２．ｄ，出水达现有企业一级排放标准。