Methane is an organic hydrocarbon, and among the simplest of organic compounds. Naturally occurring methane is found both below ground and under the seafloor and is formed by both geological and …

A plausible source for methane production would be geoprocesses as well as organisms on or near the surface.

methane 别 名 碳烷 化学式 CH₄ 分子量 16.043 CAS登录号 74-82-8 EINECS登录号 200-812-7 熔 点 -182.5 ℃ 沸 点 -161.5 ℃ 水溶性 难（常温常压0.03） 密 度 0.42 (-164℃）（标准情况）0.717g/L 外 …

Dec 6, 2025 · Methane, colorless, odorless gas that occurs abundantly in nature and as a product of certain human activities. Methane is the simplest member of the paraffin series of hydrocarbons and …

Sep 25, 2025 · Methane (CH4) is a potent greenhouse gas and is the second-largest contributor to Earth's warming after carbon dioxide (CO2). A molecule of methane traps more heat than a molecule …

中文名:甲烷,英文名:Methane,CAS:74-82-8,化学式:CH4,分子量:16.04,密度:0.716g/mLat 25°C (lit.),熔点:−183°C (lit.),沸点:−161°C (lit.),闪点:-188 ºC,水溶性:24.4mg/L (25 ºC),蒸汽压:0.55 (vs air),折射 …

Dec 5, 2025 · Methane often flies under the radar in conversations about clean air, but this invisible gas poses serious risks for our planet and our health.

Mar 18, 2024 · What is methane? Methane is a colorless, odorless and flammable gas that occurs naturally underground and in the environment. It is the main component of natural gas—an important …

Cows and bogs release methane into the atmosphere, but it's by far mostly human activity that's driving up levels of this destructive greenhouse gas.

Jan 28, 2025 · Methane (CH₄) is a colorless, odorless gas that plays a crucial role in both the environment and the energy sector. It is the simplest form of a hydrocarbon, consisting of one carbon …