Synthesis and characterization of mixed ligands complexes of coper ions with amino acid 铜离子与氨基酸混配合物的合成
5.
Materials for interconnection structures . part 7 : sectional specification set for restraining core materials . section 1 : copper invar coper 互连结构用材料.第7部分:限制芯材料用分规范集.第1节:铜殷钢铜
6.
Cadmium plating of steels with specified tensile strength inferior or equal to 1450 mpa , copper , coper alloys and nickel alloys . aerospace series 航空航天系列.规定拉伸强度小于或等于1450mpa的铜铜合金和镍合金钢的镀镉
7.
Dtu 60 . 5 - building works - coper piping - supply of hot and cold domestic water , drainage of waste water , rainwater , air conditioning installations - technical specifications Dtu 60 . 5 .建筑工程.铜管道.家用冷热水供应管道.废水,雨水排放管和空调安装管.技术规范
8.
Abstract : hydrogen and oxygen solubility in molten copper , condition of gas - absorption during smelting of pure coper , mechanism of gas hole formation , gas hole appearance on worked material and measure to gas absorption prevention have been briefly described 文摘:论述了氢和氧在铜液中的溶解能力、熔铸紫铜时的吸气条件、气孔形成的机理、气孔在加工型材上的表现、防止吸气的措施等。
