天气预报 > 其他 > 从颜色上区分铜的种类
从颜色上区分铜的种类
更新时间: 2020-10-03 00:00:00  

颜色区分铜的种类如下:

1、玫瑰赤色:纯铜表面构成氧化铜膜呈玫瑰赤色,亦称为电解铜;

2、黄色:铜元素与锌元素合金呈黄色,称为黄铜或二元合金;

3、紫色: 铜的铝合金分类中,纯铜常被称作紫铜,具有出色导电性,导热性与耐蚀性。

关键词: 颜色 区分 种类

从颜色上区分铜的种类相关经验

天气预报

最新推荐

页面:/news/view-1398229/ | 耗时:0.5700 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1398229 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1398229 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1398229 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1085154,1102250,1102770,1092868,1110031,1069223,1070014,1108862,1104745,1112768,1275931,1063867,1100667,1048360,1086592,1064249,1104973,1056384,1104629,1086698,1094815,1062696,1110586,1110113,1111930,1078903,1092308,1081197,1104941,1092185) ORDER BY field (ArticleID,1085154,1102250,1102770,1092868,1110031,1069223,1070014,1108862,1104745,1112768,1275931,1063867,1100667,1048360,1086592,1064249,1104973,1056384,1104629,1086698,1094815,1062696,1110586,1110113,1111930,1078903,1092308,1081197,1104941,1092185)