论文部分内容阅读
Ecology economic mode of mining area and its way to realize
【出 处】
：
Transactions of Nonferrous Metals Society of China
【发表日期】
：
2005年S1期
其他文献
1996年至2002年我们共收治鼓膜穿孔268例,4～67岁,男146例,女122例,单耳穿孔257例,双耳穿孔11例,紧张部穿孔253例,松弛部穿孔15例,边缘性穿孔11例,小穿孔(<2mm)93例,中等穿孔(2
The brazing of Al2O3 to Nb was achieved by the method of transient liquid phase (TLP) bonding. Ti foil and Ni-5V alloy foil were used as interlayers for the bon
The isothermal sections of Ni-Cr-Nb ternary system at 1 323 K and 1 423 K were determined by means of diffusion triple and energy spectrum analysis (ESA). By an
To improve the penetrating ability and the welding quality of keyhole plasma arc welding, a novel penetration closed-loop control system was established. In the
目的:观察倍频YAG激光治疗早期翼状胬肉的临床效果.方法:用信频YAG激光治疗35例、42眼头部尚未长入角膜的翼状胬肉.结果:42眼中39眼经2～3次光凝后,胬肉体部血管萎缩,观察6～12个
目的:探讨声带注射得保松治疗慢性肥厚性喉炎的疗效.方法:回顾分析慢性肥厚性喉炎55例在电子喉镜引导下经环甲膜穿刺声带内注射得保松的临床资料.结果:痊愈率为50.9%,总有效
The cycling characteristics and low specific capacity of LiMn2 O4 have always been the greatest obstacle to its commercialization. For the improvement of cycle