Results 31 to 40 of about 10,179,498 (326)

Dynamics of methane ebullition from a peat monolith revealed from a dynamic flux chamber system [PDF]

open access: yes, 2014
Methane (CH4) ebullition in northern peatlands is poorly quantified in part due to its high spatiotemporal variability. In this study, a dynamic flux chamber (DFC) system was used to continuously measure CH4 fluxes from a monolith of near‐surface ...
Reeve, Andrew S.   +4 more
core   +3 more sources

Gas Content of Graphites

open access: yesNature, 1960
ARTIFICIAL graphite for use in graphite-moderated nuclear reactors, as anodes for mercury vapour rectifiers, and crucibles for vacuum fusion work should contain little gas. Otherwise, when the graphite is heated to operating temperatures, the gas is desorbed, resulting in adverse effects. For example, in the graphite-moderated nuclear reactor, hydrogen
J.P. Redmond, P.L.Walker Jun
openaire   +2 more sources

A rapid and accurate direct measurement method of underground coal seam gas content based on dynamic diffusion theory

open access: yes, 2020
Coal seam gas content is frequently measured in quantity during underground coal mining operation and coalbed methane (CBM) exploration as a significant basic parameter.
Yanwei Liu   +6 more
semanticscholar   +1 more source

Galaxy ecosystems: gas contents, inflows and outflows [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2015
15 pages, 10 figures, submitted to ...
Lu, Zhankui, Mo, H. J., Lu, Yu
openaire   +2 more sources

The dust and gas content of the Crab Nebula [PDF]

open access: yes, 2015
We have constructed MOCASSIN photoionization plus dust radiative transfer models for the Crab Nebula core-collapse supernova (CCSN) remnant, using either smooth or clumped mass distributions, in order to determine the chemical composition and masses of ...
Barlow, M. J., Owen, P. J.
core   +2 more sources

About the necessity for changing the methodical approach to the calculation of methane release rate in high-performance working faces of Kuzbass

open access: yesГорные науки и технологии, 2020
It is traditionally believed that the use of high-performance mining equipment in collieries leads not only to increasing productivity of the enterprise, but also to significant increasing release of methane into the mine air. Based on this, the existing
A. A. Ordin   +2 more
doaj   +1 more source

Gemudi syncline geological structure characteristics and its influence on gas occurrence

open access: yesMeikuang Anquan, 2022
In order to explore the structural characteristics of Gemudi syncline and its influence on gas occurrence control in Shuicheng County, Guizhou Province, the geological data and production data of Gemudi syncline mine were collected, and the structural ...
TIAN Huanzhi, JIANG Mingquan, YU Zhaoyang, LI Wei
doaj   +1 more source

Sampling technology for measuring gas content in broken soft coal seam based on comb-shaped directional borehole

open access: yesMeikuang Anquan, 2022
According to the shallow sampling depth, inaccurate measurement and control of sampling position, large gas loss and other disadvantages existed in the available sampling technology for measuring gas content in broken soft coal seam, a sampling ...
CHAI Jianlu
doaj   +1 more source

Geological Factors and Reservoir Properties Affecting the Gas Content of Coal Seams in the Gujiao Area, Northwest Qinshui Basin, China

open access: yesEnergies, 2018
Coalbed methane (CBM) well drilling and logging data together with geological data were adopted to provide insights into controlling mechanism of gas content in major coal seams and establish gas accumulation models in the Gujiao area, Northwest Qinshui ...
Zhuo Zou   +4 more
doaj   +1 more source

Study on the mapping law of adsorption, porosity and deformation of gas bearing coal

open access: yesMeikuang Anquan, 2021
In order to clarify the mapping law of adsorption capacity, porosity and deformation of gas bearing coal, the influence of adsorption amount on porosity and deformation of coal sample under different gas pressures was analyzed theoretically based on the
CHENG Bo, YAN Wenxue, SUN Bingxing, LIU Hui
doaj   +1 more source

Home - About - Disclaimer - Privacy