搜索结果: 1-8 共查到“国际动态 Gases”相关记录8条 . 查询时间(0.113 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...
Gases from ancient Inland Northwest volcanic eruptions blocked out sun,cooling planet（图）
Gases ancient Inland Northwest volcanic eruptions blocked out sun cooling planet
2017/10/25
The Pacific Northwest was home to one of the Earth’s largest known volcanic eruptions, a millennia-long spewing of sulfuric gas that blocked out the sun and cooled the planet, Washington State Univers...
Decomposing leaves are a surprising source of greenhouse gases
Decomposing leaves greenhouse gases
2017/7/21
Michigan State University scientists have pinpointed a new source of nitrous oxide, a greenhouse gas that’s more potent than carbon dioxide. The culprit?
Tiny bits of decomposing leaves in soil.This ...
Stellar parenting:Making new stars by 'adopting' stray cosmic gases
Stellar parenting Making new stars adopting stray cosmic gases
2016/2/22
Among the most striking objects in the universe are glittering, dense swarms of stars known as globular clusters. Astronomers had long thought globular clusters formed their millions of stars in bulk ...
In the fight against global warming, carbon capture – chemically trapping carbon dioxide before it releases into the atmosphere – is gaining momentum, but standard methods are plagued by toxicity, cor...
Everlasting Quantum Wave: NIST Physicists Predict New Form of Soliton in Ultracold Gases（图）
Quantum Wave NIST Physicists Predict Soliton Ultracold Gases
2009/12/23
Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but theoreticians at the Joint ...
Straw Cover Trims Emissions of Specific Gases from Slurry
Straw Cover Specific Gases Slurry
2009/12/16
Odor complaints related to animal production have increased during the past decade. Swine slurry stored in open storages is a source of airborne contaminants, including ammonia and odorous compounds. ...
Bush Administration Establishes Program to Reduce Foreign Oil Dependency, Greenhouse Gases
renewable fuels Environmental Protection
2007/4/16
April 10, 2007，WASHINGTON, DC – In step with the Bush Administration’s call to increase the supply of alternative and renewable fuels nationwide, the U.S. Environmental Protection Agency today establ...