搜索结果: 1-3 共查到“能源科学技术 Free”相关记录3条 . 查询时间(0.156 秒)
New approach suggests path to emissions-free cement MIT researchers find a way to eliminate carbon emissions from cement production — a major global source of greenhouse gases.
Cement Research School of Engineering Materials Science and Engineering DMSE
2019/9/20
It’s well known that the production of cement — the world’s leading construction material — is a major source of greenhouse gas emissions, accounting for about 8 percent of all such releases. If cemen...
Study of Solar Pumped Laser for Fossil-fuel-free Energy Cycle Using Magnesium
Solar pumped laser Fresnel lens Nd YAG
2009/6/1
A new type of solar pumped laser system that has features of high-efficiency and low cost due to the use of a Fresnel lens and a Cr codoped Nd:YAG ceramic laser medium is reported in this paper. Slope...