Phase Division of Development History for EAF Steel-making Technology FU Jie ( School of Metallurgical and Ecological ,University of Science and Technology Beij
As the raw material for hot metal containing chromium from 20%to 40%,carbon-beared chromite pellets made from three kinds of typical chromite were reduced at 1
The equilibrium distribution ratio of phosphorus between CaO-CaF2 molten slag and Fe-C-P melt at 1450 ℃ was measured.The phosphate capacity of slag and the act
The effect of manganese on the as-cast structure and hardening behavior of high chromium white cast iron subjected to sub-critical treatment was studied.The res
目的 探讨经皮微创钢板接骨术治疗肱骨骨折的可行性和临床效果.方法 28例肱骨骨折的患者采用经皮微创钢板接骨术治疗.其中男22例,女6例,年龄16～72岁.交通事故伤14例,生活伤8例,体育伤6例.其中多发伤6例,病理性骨折2例;肱骨干上1/3骨折18例,中远端骨折10例.结果 本组28例伤口全部一期愈合,全部病例均有随访,随访时间8周～14个月,平均4个月,手术时间55～130 min,平均80
The bronze alloyed powder composite containing nanoparticles was developed by hot pressing.The effects of the content and granularity of graphite on hardness,ma
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
介绍了4M20(3A)-73/30型氢氮气压缩机的扩缸改造方案及实施情况,对改造前后的运行状况做了对比,并简要进行了效果分析.
介绍碳丙脱碳系统技改方案及技改前后的运行情况,使φ2400脱碳塔生产能力达10×104t/a合成氨,取得令人满意的效果.
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥