天铁热力风机升级改造方案设计

通过对天铁集团高炉现状、风机现状的分析,提出了对热力厂风机升级改造的规划,确定了实施方案.该方案实施后将彻底改变风机渐进式改造的现象,使新高炉的备用机组发挥更大的作用,可增加现有高炉的风压、风量,使现有高炉的产量、冶炼强度进一步提高.     

冶炼平车移动DP总线编码器的应用

介绍了在铁合金电炉控制系统的改造中应用移动DP从站的实践,对铁合金电炉控制领域的开发及维护具有一定的借鉴作用.     

强化知识管理提高企业的应变与创新能力

处于相同行业结构和机会的企业存在着很大差别.知识管理作为作管理创新的一种成果,面对知识时代更加激烈的市场竞争和经营环境的更为不确定性,知识管理在结合企业的具体发展情况下,将为企业的发展注入新的活力.     

职业教育发展的政府失灵与市场调节

职业教育的发展,主要是在市场和政府的相互调节下运行的.但完全的政府调节不利于职业教育的健康发展,完全政府调节下的职业教育会出现政府失灵现象,因而,市场的无形调节是非常重要的.市场调节主要包括人才需求、利益导向、人事制度等方面的调节.     

浅谈我国有色金属行业的技术创新发展与对策研究

在分析我国有色金属行业现状的基础上,指出随着国际贸易的不断加深,我国有色金属发展中的技术落后、设备陈旧等问题日益突出,使整个行业的发展受到严重制约.提出技术创新是促进我国有色金属行业持续发展的关键,并对现有问题的根源及解决办法进行了初步探讨.     

浅谈黄金矿山企业的绩效考核管理

绩效考核是企业管理的重要组成部分.文中通过理论与实践的结合,阐述了黄金矿山企业绩效考核管理体系的建立、实施以及绩效考核应注意的问题.     

考虑辐射影响的隔热纤维体的热导率分形模

根据纤维体内部分形结构特点,建立了计及温度影响的隔热纤维体的热导率分形模型.通过对硅酸铝纤维SEM图像的处理,得到了不同密度下硅酸铝纤维的孔隙面积和孔隙通道曲线的分形维数,并据此计算了硅酸铝纤维的热导率.实验结果验证了本文分形热导率模型的正确性.     

减轻钒铁生产中炉底烧结的试验研究

铝热法冶炼钒铁过程中,炉底被烧结,产生含钒烧结渣.烧结渣中含有大量的钒,从而造成钒的损失,降低了钒的回收率,增加了生产成本.本试验通过对炉底打结材料和冶炼布料方式的优化,大大改善了炉底烧结状况,减少了含钒烧结渣的产出量,同时烧结渣中钒的含量也大幅度降低,从而减少了钒的流失,钒的回收率提高0.5%以上.     

包钢炼铁厂企业信息系统

介绍了包钢炼铁厂企业信息系统的发展概况、组成及覆盖范围,网络的功能和软件开发过程,详细说明了各子系统的作用,对网络应用的效益做了评估.     

强化改进措施——确保质量管理体系的绩效

面对竞争日趋激烈的设计市场,企业如何立于不败之地,就要求我们的企业改进原有的管理模式.ISO9000作为国际化标准组织至今为止颁布的唯一一个质量管理性标准,一个先进的管理方法.它的应用会极大地提升管理水平和管理力度,尤其现阶段设计市场面临着严峻的考验,国际化的管理体系的建设更是尤为重要,以先进的理念促进企业发展.     

Standards of weight and height for Ayrshire, brown Swiss, and milking shorthorn heifers

To develop a modern appraisal of growth for Ayrshire, Brown Swiss, and Milking Shorthorn dairy heifers, data on heart girth and height at withers were collected from 1279 Ayrshire heifers (33 herds), 1819 Brown Swiss heifers (46 herds), and 565 Milking Shorthorn heifers (20 herds), ages 1 to 25 mo, in herds located throughout the US. Means and standard deviations were determined for height and heart girth for each month of age. Third-order regressions on age were fitted to the means to describe height and heart girth. Estimated mean height and heart girth at 6, 12, 18, and 24 mo, in centimeters, were for Ayrshire 98.7 and 118.4, 114.4 and 145.9, 122.8 and 163.2, and 127.6 and 176.4; for Brown Swiss 102.6 and 122.3, 199.4 and 151.3, 128.7 and 168.8, and 134.0 and 182.0; and for milking Shorthorn 98.0 and 119.4, 113.6 and 148.6, 122.6 and 166.6, and 127.7 and 179.9, respectively. These data can be useful to evaluate the heifer rearing program with respect to the growth rates of heifers on an individual farm.     

Roles for psychologists in emerging models of school-related health and mental health services.

Describes contributions of school, clinical, community, and health psychology to emerging school-based and school-linked health and mental health service delivery models. The author contends that these 4 areas integrate well to inform the development and targets of health service delivery approaches in and linked to the schools and to set the stage for defining the emerging and future roles of psychologists providing health and mental health care in these contexts. Emerging and future roles of psychologists as health care providers through schools include roles in development, implementation, and administration of these models, direct and indirect service provision, interfacing of health and educational outcomes, and applied research and evaluation activities. Implications for the education and training of current and future psychologists are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Dietary intakes of middle-aged European, Maori and Pacific Islands people living in New Zealand

AIM: To compare dietary intakes of Maori, Pacific Islands and European men and women in New Zealand. METHODS: A food frequency questionnaire was used to calculate nutrient intakes of 5523 New Zealand workers aged 40 years and over (3997 men, 1524 women) from a cross-sectional survey carried out between 1988 to 1990. RESULTS: Compared with European men and women, Maori women and Pacific Islands men and women consumed larger amounts of total energy per day. Age-adjusted nutrients expressed as percentage contribution to total energy intakes showed that Maori and Pacific Islands men and women consumed less carbohydrate, fibre and calcium, and more protein, fat, saturated fat and cholesterol than European men and women, respectively. These results were consistent with fewer servings of cereal and cheese per month, and more servings of red meats, fish and eggs in Maori and Pacific Islands participants compared with Europeans, after adjusting for age and total energy intakes. Pacific Islands men and women also consumed more servings of chicken, fewer cups of milk and fewer servings of fruit per month compared to Europeans. Maori men and women consumed more slices of bread and fewer servings of vegetables per month compared to European men and women. CONCLUSIONS: There were striking differences in dietary habits, food selections and cooking practices between European, Maori and Pacific Islands participants. Dietary intakes of Maori workers were closer to those of Europeans than those of Pacific Islands participants. Ethnic differences were due to larger portion sizes and increased frequency of most foods in Maori and Pacific Islands participants.     

Heavy metal concentrations in two populations of crayfish

To monitor the environmental contamination of heavy metals in Tuskegee Lake (TL) and National Forest Creek (NFC), Tuskegee, Alabama, adult crayfish muscle and exoskeleton and sediment samples were collected and analyzed for Hg, Pb, Cd, Cu, Co, Ni and Zn. In both TL and NFC crayfish Cu and Zn were not different in muscle and exoskeleton; however, Pb and Cd were significantly different. The Pb in exoskeleton and the Cu and Zn in muscle and exoskeleton of TL crayfish were significantly higher than that of NFC crayfish; however, Cd and Ni were not different between tissues or crayfish sources. Levels of Hg and Co were not detectable.     

Employee drug use, demographic characteristics, work reactions, and absenteeism.

Investigated the relationships between employee use of illicit drugs, perceptions of and reactions to the work environment, and employee absenteeism and tardiness above and beyond that accounted for by demographic and work reaction variables. 162 employees in a large work organization completed demographic and background information and assessments of work perceptions and reactions and absenteeism and tardiness. Drug use was assessed with a questionnaire and urine testing. Employee drug use accounted for additional statistically significant variance in overall absenteeism and in absenteeism due to injuries and suspensions, as well as days tardy. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Moral aspects of risk and innovation

In all areas of technological innovation and application, there are nontechnical (moral, cultural, religious, political, and regulatory) risk factors and uncertainties that have to be taken into account if research design and introduction of new devices and applications are to be successful. Products and methods will be beneficial to the patient if they meet personal and cultural expectations. Value assessment of individual patients and of cultural preferences and obstacles therefore has to be included in complex technology assessment. Successful recognition and management of moral and cultural risk factors may require changes in governmental regulation and research design and the development of risk recognition competence within professional organizations.     

从氯化浸金稀溶液中提取金、银工艺研究

试验采用C410树脂,对氯化浸金稀溶液进行预分离富集,研究了在静、动态条件下C410树脂对金和银的吸附、解吸性能、饱和吸附容量及杂质的干扰等。在试验最佳条件下,对某矿样氯化浸出液,金、银的吸附率分别达99．89％、86．5％,解吸率分别达99．32％、99．72％;解吸液经化学沉淀、溶金银、还原,获得的金、银的纯度达99．995和99．993％。     

能源产品投入产出研究与应用

介绍了能源产品投入产出的研究与应用,通过外购能源和自产自耗能源产品技术经济分析,找出其依存关系,科学合理地计算能源生产、消耗、成本数据,为能动中心更好地生产组织、能耗控制与决策提供可靠的依据。     

智能化钢铁制造流程信息物理系统的设计研究

 现代钢铁制造流程是集成烧结、球团、焦化、炼铁、炼钢和轧钢等多工序过程的耗散结构体系。钢铁制造流程是在物质流、能量流和信息流协同运行的条件下,完成一系列复杂的冶金过程和转变。探讨了对钢铁制造过程物理本质以及运行特征的认识和研究,提出了现代钢铁制造流程物理系统的设计理念和方法。阐述了流程工程动态精准设计体系在钢铁冶金工程设计中的应用,讨论了智能化钢铁制造流程的系统层次和构建理念。着重论述了钢铁制造流程信息物理系统的内涵和架构,提出了静态物理系统与信息系统集成、耦合、协同的设计理念和方法,论证了现代钢铁制造流程信息物理系统的智能化设计思路、程序和应用实践。     

Influence of client preparation and problem severity on attitudes and expectations in child psychotherapy.

Assessed the effects of client preparation and problem severity on children's and parents' understanding, attitudes, and expectations of child psychotherapy. 38 children (aged 6–12 yrs) with 1 of their parents served as Ss. Half of the children and parents received preparation information, and the other half were not prepared. Following preparation vs no-preparation procedures, children and parents completed questionnaires assessing problem severity, knowledge of and attraction to therapy, and prognostic expectations. Parents completed the Child Behavior Checklist, and therapists rated problem severity and expectations for treatment outcome. Results indicate that preparation increased children's and parents' knowledge of therapy, attraction–receptivity to therapists and treatment, and expectations for therapy outcome. Children and parents were found to be quite attracted and receptive to psychotherapy and to have very positive expectations for treatment outcome. Findings indicate that therapists saw the children's problems as more severe and had lower prognostic expectations than did children and parents. No relation was found between problem severity and attraction–receptivity to treatment or expectations for treatment outcome. (36 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)