搜索优化
English
搜索
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
BBC
1 年
Material resources - AQA SynergyBiological methods of metal extraction - Higher
Since iron is cheaper than copper, the use of scrap iron is a cost-effective way to produce copper from the leachate.
BBC
7 个月
Obtaining and using metals - EdexcelBiological methods of metal extraction - Higher
Since iron is cheaper than copper, the use of scrap iron is a cost-effective way to produce copper from the leachate.
Global Mining Review
8 天
Glencore’s Lomas Bayas partners with Ceibo to accelerate access to clean copper
Ceibo and Glencore’s Lomos Bayas Mining Company have partnered to deploy Ceibo’s leaching technologies that enable more ...
来自MSN
3 个月
A Breakthrough Method for Extracting Valuable Metals From Copper Smelting Slag
Slag production from copper smelting is a key source of copper production. China produced more than 11,000 kilotons of refined copper in 2022; Thus, 2.2 to 3 tons of slag were created for every ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
反馈