Results 91 to 100 of about 464,250 (225)

Background levels of methane in Mars’ atmosphere show strong seasonal variations

open access: yesScience, 2018
Measuring martian organics and methane The Curiosity rover has been sampling on Mars for the past 5 years (see the Perspective by ten Kate). Eigenbrode et al.
C. Webster   +43 more
semanticscholar   +1 more source

Particulate methane monooxygenase contains only mononuclear copper centers

open access: yesScience, 2019
How many metals to oxidize methane? Methane is an important fuel, but there are few direct transformations to partially oxidized products. Bacteria use metalloenzymes to catalyze methane oxidation to methanol, a reaction of industrial interest ...
Matthew O. Ross   +8 more
semanticscholar   +1 more source

Methane Hydrate at High Pressure [PDF]

open access: bronze, 1949
Riki Kobayashi, Donald L. Katz
openalex   +1 more source

Anaerobic oxidation of methane: progress with an unknown process.

open access: yesAnnual Review of Microbiology, 2009
Methane is the most abundant hydrocarbon in the atmosphere, and it is an important greenhouse gas, which has so far contributed an estimated 20% of postindustrial global warming.
K. Knittel, A. Boetius
semanticscholar   +1 more source

A discussion on CBM development strategies in China: A case study of PetroChina Coalbed Methane Co., Ltd.

open access: yesNatural Gas Industry B, 2019
In recent years, the growth rate of coalbed methane (CBM) industry in China has slowed down. In order to promote its development, it is in urgent need to do the researches focusing on enhancing domestic CBM industry.
Shengming Wen, Ke Zhou, Qian Lu
doaj  

Methane Biofiltration Processes: A Summary of Biotic and Abiotic Factors

open access: yesMethane
The ongoing yearly rise in worldwide methane (CH4) emissions is mostly due to human activities. Nevertheless, since over half of these emissions are scattered and have a concentration of less than 3% (v/v), traditional physical–chemical methods are not ...
Fatemeh Ahmadi   +2 more
doaj   +1 more source

Exploring Geochemical Signatures in Production Water: Insights from Coal Bed Methane and Shale Gas Exploration—A Brief Review

open access: yesMethane
This article furnishes a brief review of the geochemistry of waters produced during coal bed methane and shale gas exploration. Stable deuterium and oxygen isotopes of produced waters, as well as the stable carbon isotope of dissolved inorganic carbon in
Santanu Ghosh   +4 more
doaj   +1 more source

Is methane the 'climate culprit'? Fixing the 'Broken Record' while unmasking the dangers of using imprecise, long-term GWP for methane to address the climate emergency [PDF]

open access: yesarXiv
Methane (CH4) is a potent greenhouse gas (GHG) with a short atmospheric half-life (~8.4 years) and a high short-term impact on global warming which is significantly higher than that of CO2. Traditional metrics such as the 100-year Global Warming Potential (GWP100) obscure the short-term, negative climatic effects of methane, potentially leading to ...
arxiv  

The silent threat of methane to ecosystems: Insights from mechanistic modelling [PDF]

open access: yesarXiv
Over the past century, atmospheric methane levels have nearly doubled, posing a significant threat to ecosystems. Despite this, studies on its direct impact on species interactions are lacking. Although bioaccumulation theory explains the effects of contaminants in trophic levels, it is inadequate for gaseous pollutants such as methane. This study aims
arxiv  

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