Carbon dioxide (CO2) has been present in the atmosphere since the Earth condensed from a ball of hot gases following its formation from the explosion of a huge star about five billion years ago.

斯科特•福斯特是联合国欧洲经济委员会可持续能源发展司主任。大卫•艾辛格是联合国欧洲经济委员会可持续能源发展司经济事务干事。 气候变化 ...

Puccio, F Di Gabiccini, M and Guiggiani, M 2005. Comparison of Different Methods in Gear Curvature Analysis Using a New Approach. Proceedings of the Institution of Mechanical Engineers, Part C: ...

It has been running for two months, sucking global-warming carbon dioxide (CO2) out of the air, then storing it deep underground where it turns to stone. Twelve collector containers are now ...

海洋酸化是二氧化碳（CO2）排放增加的后果，而二氧化碳是导致气候变化的温室气体。人类活动产生的全部二氧化碳中约三分之一被海洋吸收，导致称为海洋酸化的海水化学变化。海洋酸化对海洋生物、生态系统健康和依赖海洋为生的人们构成了严重威胁。

Assistant Professor, Michigan Tech, USA, 2012-present Assistant Research Scientist, Michigan Tech, USA, 2010-2012 Postdoctoral Associate, University of Torino, Italy, 2005-2010 Postdoctoral Fellow, ...

Polygons are multi-sided shapes with different properties. Shapes have symmetrical properties and some can tessellate. Loci and constructions - Edexcel Loci are a set of points with the same ...

Polygons are multi-sided shapes with different properties. Shapes have symmetrical properties and some can tessellate. Loci and constructions - AQA Loci are a set of points with the same property ...

Crystalline boron imidazolate frameworks (BIFs) are a lightweight zeolite-like metal-organic framework (MOF) developed to ...

城市是造成气候变化的主要因素。根据联合国人居署的统计，城市消耗了全世界78%的能源，超过60%的温室气体排放来自城市 ...

Google just landed a deal to capture planet-heating pollution at a huge bargain: $100 per ton of CO2, the price climate tech startups around the world are racing to achieve in order to make their ...

Volkswagen's new EA211 TSI Evo uses the Miller cycle, variable turbine geometry, and cylinder deactivation ... progress in terms of fuel consumption, CO2 and emissions. In order to achieve these ...