共搜索到4155条信息,每页显示10条信息,共416页。用时:0小时0分0秒546毫秒
. And the result of linear superposition is the most conservative one. Its combination coefficients are related to the load effect ratio of different fatigue loads. Besides, with the increase of span length... liner accumulated damage; fatigue load combination 索梁锚固结构连接主梁与斜拉索,是大跨度公铁两用斜拉桥的重要承载构件,由于同时承受铁路列车和公路汽车引起的反复作用,索锚结构的疲劳荷载效应幅值(即索力幅值)成为构件设计和评估的主要因 素[1-2].铁路列车和公路汽车导致的疲劳荷载效应分析方法基本一致,首先根据桥梁所在地区和具体线路,统计调研过桥时......
......
结合CCS的炉顶煤气循环-氧气鼓风高炉CO2减排分析薛庆国1,韩毅华2,王静松2,孔令坛2(1.北京市北京科技大学高效钢铁冶金国家重点实验室2.北京科技大学 高效钢铁冶金重点实验室,北京 100083)摘 要:介绍了炉顶煤气循环-氧气鼓风高炉炼铁技术的研发进展,阐述了碳捕捉及封存技术(CCS)的特点及其技术成熟度,重点分析了几种CO2分离方法的原理及其适用条件,最后应用IPCC2006方法计算分析了结合碳捕捉及封存技术的炉顶煤气循环氧气鼓风高炉的CO2减排效果.结果表明:新工艺的吨铁CO2排放量为582.40k......
......
Combination of on-line preconcentration by di(2-ethylhexyl) phosphoric acid resin in the presence of complexing agent with microwave plasma-atomic emission spectrometry for the determination of rare earths赵晓伟1,孔祥飞1,贾琼1,周伟红1,曲晓刚21. College of Chemistry,Jilin University2. Changchu n Institute of Applied Chemistry,Chinese Academy of Sciences摘 要: Combination of on-line preconcentration by di(2-ethylhexyl) phosphoric acid resin in the presence of complexing agent with microwave plasma-atomic emission spectrometry for the determination of rare earths赵晓伟1,孔祥飞1,贾琼1,周伟红1,曲晓刚21. College of Chemistry,Jilin University2. Changchu n Institute of Applied Chemistry,Chinese Academy of Sciences摘 要:
......Combination of on-line preconcentration by di(2-ethylhexyl) phosphoric acid resin in the presence of complexing agent with microwave plasma-atomic emission spectrometry for the d
AI导读
来源: 《JOURNAL OF RARE EARTHS2010年第S1期》——赵晓伟 孔祥飞 贾琼 周伟红 曲晓刚
源近区频域电磁测深视电阻率的一种数值计算方法①
AI导读
来源: 《中国有色金属学报1996年第1期》——苏发 汤井田 何继善 温佩琳
......
pretreatment; coating layer; pseudobohemite; combination performance; [全文内容正在添加中] ......
Trans. Nonferrous Met. Soc. China 22(2012) 2274-2281 Recovery of Co and Li from spent lithium-ion batteries by combination method of acid leaching and chemical precipitation ZHU Shu-guang1, 2, HE... to form Co(NH3)62+, resulting in the decrease of CoC2O4. With the continuous increase of pH (higher than 2), the combination of ammonium and Co2+ gradually became the prevailing factor, causing......