武钢铁路车辆及集装箱用耐候钢的现状及发展

综述了武钢铁路车辆及集装箱用耐候钢的研发背景和过程,简要介绍了典型铁路车辆及集装箱用耐候钢的产品特点和性能,展望了耐候钢的发展趋势及武钢在铁路车辆及集装箱用耐候钢的开发方向。     

稀土对铜及铜合金组织和性能影响的研究进展

综述了稀土对铜及铜合金组织和性能影响的国内外研究进展情况,主要介绍了稀土在铜及铜合金中的热力学性质,以及稀土对铜及铜合金组织的净化,细化及改变夹杂物的形态与分布的作用和影响,并阐述了稀土对铜及铜合金的加工性能、机械性能、导电性能、抗氧化性能、耐腐蚀性能和耐磨性能等方面的影响.     

钢铁产品标识设备的现状及技术分析

介绍了国内外钢铁产品标识设备的种类和特点,特别对点阵式喷打设备的构成及原理进行了分析,探讨了热卷喷印的技术难点及开发应用前景,为研究和发展该项技术提供了借鉴和参考.     

钢铁厂煤气及蒸汽发电技术的应用

介绍了典型钢厂煤气及蒸汽的利用情况,分析了煤气及蒸汽发电的方案及主要热力系统,着重介绍了饱和蒸汽发电技术难点和解决方案。     

高纯石墨制备现状及进展

高纯石墨由于良好的耐高温和导电等性能得到广泛的应用,文章介绍了石墨矿物原料资源及特点,综述了石墨提纯的湿法和火法原理及优缺点。介绍了高纯石墨制备的国外技术及我国发展状况。     

高线轧机在线监测及故障诊断系统的应用和问题

介绍了高速线材轧机在线故障检测系统的结构原理和应用效果,重点分析了高线生产线上监测设备及测点的选择原则及标准,归纳了高线轧制设备的故障类型和表现特点。指出了基层对线监测系统使用经验积累和对系统利用效率的问题,并对钢厂设备监测及管理提出了建议。     

鞍钢铁路货车车体用钢研发历程

介绍了铁路货车车体用钢在国内外的研究及应用状况,概述了其腐蚀机理及影响因素,对比分析了耐候钢、不锈钢及铝合金车体材料应用的技术性和经济性,提出了新型耐蚀钢的设计理念,展望了新型耐蚀钢研究应用方向,详细介绍了鞍钢S450AW关键应用技术研究及效果。     

浅谈洁净厂房室内装修

介绍了医药及电子工业洁净厂房的特点和防火设计的重要性,分析了其火灾危险性及存在的问题,提出了在消防设计上及装修设计上应注意的相关事项.     

高炉中碱金属和锌的循环及危害控制

结合鞍钢及有关企业生产实际,阐述了高炉中碱金属、锌的影响和危害,并通过入炉原燃料、炉渣、粉尘等取样化验及对高炉的碱、锌负荷及收支平衡进行统计,掌握了碱金属和锌在高炉中的分布与来龙去脉,此外结合热力学分析进一步明确了碱金属和锌在高炉内的反应和循环过程,并提出了碱金属和锌富集的预防控制措施。     

中型线精整及热处理工序技术改造

精整及热处理是生产高档次管坯、机械加工用材和汽车用钢的必要工序,而精整及热处理能力不足,制约了轧钢生产能力的提高,对精整及热处理工序进行改造和重新梳理后消除了制约瓶颈,充分发挥了整条棒材生产线的效能。     

转炉炉壳热应力分析

根据实际转炉建立实体模型。以有限元为手段,考虑了炉衬和炉壳材料的物性参数随温度变化的特点和炉衬与炉壳之间膨胀间隙,计算了转炉炉壳在温度载荷和炉衬膨胀压力同时作用下的热应力。所得结果可为转炉炉壳设计提供依据。     

焦炭热性能指标意义浅析

通过对焦炭在高炉内的历程及其变化规律的剖析,阐述焦炭热性能指标的意义,形象地把焦炭在高炉内的损耗分为三部分(M1,M2,M3)。指出M2对焦比及焦炭价格有一定的指导作用。     

Results of treatment of cancer of the cardia

Cancer of the cardia is traditionally discussed with cardiac cancer of the lower portion of the esophagus and upper gastric cancer invading the esophagus, and the specific characteristics of cancer of the cardia have never been clearly defined. We reviewed the outcome of 172 patients with adenocarcinoma of the cardia who had undergone radical surgery between 1949 and 1994 in the Division of Gastrointestinal Surgery of the Cancer Institute Hospital. The centers of the tumors were located within 2 cm above and below the boundary between the esophagus and the stomach, and their longitudinal diameter was less than 8 cm. We divided the patients into an early period (1949-1979; n = 79) and a late period (1980-1994; n = 93), and focused on the historical transition. There were no differences in patient gender or histology between the two periods. However, the late period was associated with fewer cases of esophageal invasion and shorter longitudinal diameter, as the age of the population advanced. The number of advanced cancers such as the localized and infiltrative type had decreased, and early cancer and early clinical stage had become more common, but despite the fact that the number of early cancers had increased, extended dissection, such as thoracic and paraaortic lymph node dissection, was performed more frequently. By clinical stage, the long-term outcome markedly improved in Stage I patient in the late period, and tended to improve in Stage II and III patients. This appears to have been attributable to the prevention of micrometastasis by extended dissection, although the number of early cancers is another major potential cause. There were no differences in the outcome of Stage IV patients between the two periods, and further advances in multimodality therapy must be awaited. The range of resection is basically proximal gastrectomy, and if there are adequate indications, the prognosis is favorable. In view of the status of lymphatic flow and lymph node metastasis, and long-term results, lateroaortic lymph node dissection is important. Since the number of early cancer patients has been increasing, if intraabdominal recurrence is prevented, intrathoracic lymph node dissection will contribute greatly to the outcome of such patients.     

The effect of amount of possession of the trait of hostility on accuracy of perception of hostility in others.

Some theories of personality hold that an individual's perception of others is influenced by his own personality characteristics; more specifically, that a trait of low social value will be projected more into others, and that insight into the possession of these characteristics reduces this distortion. These 2 hypotheses were tested by having a group of college students rate each other (including themselves) on degree of friendliness or hostility. Agreement with group rating about self yielded the insight score. In general, the hypotheses were supported; the "friendly" Ss were most accurate in their perception of others, and insight was positively associated with accurate perception. From Psyc Abstracts 36:04:4HL16M. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Effect of antibiotics of chemotaxis of human leukocytes

The effect of 20 different antibiotics on chemotaxis by human neutrophils was studied. Human leukocytes incubated with chloramphenicol, rifampin, sodium fusidate, and tetracyclines in vitro showed markedly depressed migration. The mechanisms by which these antibiotics affect leukotaxis are discussed.     

Quality of life of relatives of mental patients

Usage of quality of life of psychiatric patients' relatives as the parameter of estimation of the quality of psychiatric care is considered. By means of standard questionnaire elaborated by the authors as well as by means of both individual and group conversations the quality of life was analyzed in 40 relatives which lived together with psychiatric patients. Different spheres of their life and difficulties (financial, social-psychologic, production) were examined in families with such patients. The defects of psychiatric care that had direct influence on the quality of life of the psychiatric patients' relatives are outlined.