1550酸轧拉矫机2#张力辊异音分析

根据对张力辊原理分析,获得辊径差与张力及速度的平衡关系,采用最佳辊径差以避免2#张力辊异音.     

带钢机组张力辊计算和设计研究

对常见的二辊式、三辊式、四辊式等张力辊进行了详细的理论分析,讨论并推导出张力辊的基本参数（象辊直径、传动功率等）的计算公式;结合几种典型实际机组进行计算、分析和比较,得出选择张力辊形式以及摩擦系数、张力放大倍数等一般规律,并结合实际工程数据,证明理论和实际基本一致,为类似机组的张力辊设计、调试及操作提供理论和实践依据。     

冷轧镀锌拉矫机张力辊滑动的特点及对策

采用欧拉公式对武钢冷轧总厂张力辊打滑现象进行研究,通过对该张力辊的工作状况和受力情况进行理论分析后,发现张力辊打滑的主要原因是静摩擦系数下降导致,并在此基础上提出了杜绝张力辊打滑的相应措施。     

本钢冷轧厂平整机组工艺参数调整对普板板型影响的研究

结合本钢冷轧厂平整机组生产工艺设备特点及平整机组现场生产情况，通过部分试验的方法研究平整机组对板型缺陷的影响，目的是找出影响板型的诸多因素，分析这些因素的影响方式及控制方法。     

铝带精整机组张力辊力能参数计算

本文分析了铝带精整机组张力辊装置力能参数的计算方法,并给出张力辊辊径、带材包角和张力辊电机功率的计算方法。     

平整机辊式涂油的改造使用

针对平整机辊式涂油的工作原理和性能特点,介绍了广州金莱冷轧带钢有限公司根据平整机的实际情况,通过合理的对辊式涂油装置进行改进,取得了良好的效果.     

早期松德维哥20辊轧机电气系统数字化改造

介绍了使用计算机、 PLC、直流调速器、测厚仪等数字化先进设备对20世纪60年代松德维哥20辊轧机模拟电气控制系统及F-D机组进行数字化改造的方法,着重阐述了厚度控制系统、张力控制系统、传动系统、基础自动化部分改造的方法.改造后的设备已在陕西宝钛集团投入使用,实践证明改造后的电控系统运行是安全可靠和稳定的.     

6SE70变频器在彩涂机组1号张力辊上的应用及优化

张力辊在带钢生产机组中广泛使用,提高张力辊控制的稳定性和控制精度对于保证机组的顺利进行,发挥机组的产能,提高产品的质量有着十分重要的意义。分析了彩涂生产机组中张力辊的控制原理,介绍了6SE70变频器在张力辊控制中的应用以及张力辊组的转矩控制的实现方法。     

带钢打滑及对拉矫机延伸率损失的影响

通过对带钢在张力辊受力条件的分析,详细解释了带钢在张力辊上打滑的机理,并据此研究了拉伸弯曲矫直机延伸率损失问题。     

连续退火线炉内张力的控制方法

冷轧连续退火线传统的张力控制方法主要包括开卷卷取张力控制、张力辊张力控制、活套张力控制。通过对炉内张力控制方式进行深入分析研究,优化了连退线中的传统张力控制方法,建立了炉内张力控制模式,并且对部分炉辊的异常状态进行控制,有效提高了工艺速度,增加了带钢产量,提高了带钢质量。     

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.