舞钢新产品填补国内空白

近日,3块177.8mm大厚度自升式钻井平台齿条用调质高强钢板在河北钢铁集团舞钢试制成功,各项性能指标均满足用户要求。这个高难度品种的成功开发,填补了国内空白,标志着特厚海洋平台齿条用钢板的国产化迈出了坚实的第一步。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展,对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上,以实现高端钢材国产化、顶替进口为目标,以振兴民族工业为已任,相继开发了适应市场需求的系列海洋工程用钢板,并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展,对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用胡的开发上,以实现高端钢材国产化、顶替进口为目标,以振兴民族工业为已任,相继开发了适应市场需求的系列海洋工程用钢板,并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展,对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上,以实现高端钢材国产化、顶替进口为目标,以振兴民族工业为已任,相继开发了适应市场需求的系列海洋工程用钢板,并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展，对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上，以实现高端钢材国产化、顶替进口为目标，以振兴民族工业为已任，相继开发了适应市场需求的系列海洋工程用钢板，并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展，对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上，以实现高端钢材国产化、顶替进口为目标，以振兴民族工业为已任，相继开发了适应市场需求的系列海洋工程用钢板，并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展，对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上，以实现高端钢材国产化、顶替进口为目标，以振兴民族工业为已任，相继开发了适应市场需求的系列海洋工程用钢板，并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展，对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上，以实现高端钢材国产化、顶替进口为目标，以振兴民族工业为已任，相继开发了适应市场需求的系列海洋工程用钢板，并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

舞钢高强度海洋工程用钢板

随着我国海洋钻井和采油平台等海洋工程的迅猛发展，对钢板的强度、韧性和焊接性能的要求越来越高。舞钢在海洋工程用钢的开发上，以实现高端钢材国产化、顶替进口为目标，以振兴民族工业为已任，相继开发了适应市场需求的系列海洋工程用钢板，并广泛应用于海洋钻井平台和采油平台的主船体、钻台、桩靴、悬臂梁、支承轨道、桩腿、齿条和半圆板等结构的制造。     

屈服强度690MPa级低碳贝氏体型钢板的工艺研究

主要对屈服强度690MPa级高强度钢板的工艺进行了试验研究,结果表明,舞钢设计的低碳贝氏体型高强度钢板,采用合适的控轧控冷＋回火工艺,其性能完全满足Q690E钢板的技术要求,具有良好的力学．和焊接性能。     

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)     

Comparison of rates of infection of two methods of emergency ventricular drainage

The rates of infection of two methods of external ventricular drainage in use at Atkinson Morley's Hospital--namely, (a) percutaneous drainage with Rickham reservoirs and (b) tunnelled ventriculostomies--were compared in this retrospective review. Percutaneous drainage of CSF with Rickham reservoirs was associated with a 27% rate of infection as identified by positive microbiological cultures; tunnelled ventriculostomy catheters had a 10% infection rate. The difference in the infection rate between the two methods was statistically significant (P < 0.015). Other variables examined, including the age and sex of the patients and the reasons for ventricular drainage, were not associated with an increased rate of infection. Most infections from either method were caused by a coagulase negative staphylococcus. The average duration of ventricular drainage before identification of positive cultures was 5.7 days for Rickham reservoirs and 6.0 days for ventriculostomies.     

浅析《野草》的版画特征

鲁迅先生一生热爱美术作品,对版画中木刻兴趣尤甚.<野草>作为其"写心之作",亦呈现出一些与木刻版画一致的审美特征:一是具有木刻版画的色彩特征,多对比、多冷色,有阴郁的美感;二是具有木刻版画的力度特征,环境描写、人物刻画处处刀锋毕现,遒劲有力,有一种"力之美".     

四辊破碎机车刀架的改造

针对四辊破碎机车刀架车削中存在的几个问题,详细介绍了电动车刀架的结构和工作原理,建立主要设计参数的数学表达式,并进行适当的分析。改造后,这种电动车刀架运行平稳、可靠、方便、省力,取得了预期的效果。     

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。     

Comparison of the results of surgical and conservative treatment of fractures of the diaphysis of the tibia

In this paper is treated the fundamental problematic of the fracture of the diaphysis of the tibia and the therapeutic results after the conservative and operative treatment are confronted. Among 518 patients with 433 open fractures and 35 with closed fractures of the diaphysis of the tibia, successful treatment of more 2/3 was obtained in the period from 1968 to 1972. Following our casuistics and literature, whose results are similar, we find out that the average total treatment of the osteosynthesis of the fracture of the diaphysis was shortened for 2,5 months depending upon the type and the localisation of the fracture. Apolied methods of the operative and conservative and conservative treatment in relation to the velocity of the medical cure as well as to the extreme anatomical-functional results are analised. We noticed that osteosynthesis, made by the intermedullary nail and the extension of the canals or by a small AO table, by the achieved stability makes conditions of immediate motions and an early rehabilitation. Because of that it gives the best functional results.     

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.     

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。     

参与式农业基地建设行动方案设计

为了编制实用性强的基地建设行动方案,首先,确定参与式发展的主体,搭建一个"决策框架";其次,针对行动目标,提出不同参与主体,如管理者、农民、消费者等团队与个人的目标及行动内容;最后,工作应向重塑伙伴式合作关系,挖掘农民自我发展潜力,完成三大角色的转换,打造农业基地文化等方向推进.