Sentence examples for methane with the from inspiring English sources

Commercial natural gas stripped of NGL and sold for heating purposes usually contains 85 to 90 percent methane, with the remainder mainly nitrogen and ethane.

In particular, it takes issue with some of the math that has often been used to compare the consequences of emitting methane with the impact of the chief, long-lived global warming gas, carbon dioxide.

Isotopic labelling studies using 13CH4, 15N18O, 15NO, and 18O2 have also been performed to investigate the interaction of NO and methane with the catalytic sites.

In this study, thermo-catalytic decomposition of methane with the use of different metals (Pt, Pd, Cr) supported on activated carbon was performed.

To predict in situ measured rates of methane with the model it was necessary to set the half saturation constant of methane and oxygen, Km, to 5%, approximately five times larger than laboratory measured values.

Dr Fournier, a co-author of the study published in the journal Proceedings of the National Academy of Sciences, said that this would explain the exponential rise of carbon dioxide and methane with the exponential increase in the population of methane-producing microbes.

Since then, it has found evidence of seasonal variations in methane, with levels of the gas rising and falling with the Martian summers and winters.

Explosions can only take place between the flammability limits LFL and UFL (5%14%% for methane), with by far the strongest explosions occurring near stoichiometry.

The moisture could be lifted through gaps in the tropopause, as well as forming from the reaction of methane with hydroxyl radicals in the stratosphere.

"Methane is really quite a rare gas in hydrothermal/volcanic exhalations; thus a methane detection with the rover would be exciting and could point to biology, especially if detected in relatively large amounts," Schulze-Makuch told SPACE.com.

Catalytic interaction of methane with carbon dioxide with the formation of syngas CO+H2 over manganese oxide containing catalysts was studied.