Results 21 to 30 of about 1,372,867 (304)
Influence of pore structure of coal on sensitivity of drillings gas desorption index
Meikuang Anquan, 2023 In order to study the influence of low gas content and high gas pressure of the occurrence of the lower 5# coal seam of Yushuling Coal Mine in Xinjiang on the sensitivity of coal seam drillings gas desorption index, this paper adopted a constant ...
WANG Haidong, GAO Jiahui, CHEN Xuexi, LIANG Zhongqiu, GUAN Yongming, ZHEN Kangzhe
doaj +1 more source
Oil Price Indexing Of Natural Gas Prices [PDF]
Review of Economics, 2007 Zusammenfassung Die Ölpreisbindung des Erdgaspreises ist ein hervorstechendes Merkmal des Gasmarktes in Deutschland und anderen europäischen Ländern. Diese Besonderheit ist eng verknüpft mit der Existenz lokaler Monopole (trotz Liberalisierung bestehen diese bislang zumindest in Deutschland de facto weiterhin) und sogenannter „take-or ...
Bartholomae, Florian W., Morasch, Karl
openaire +2 more sources
Sensitivity Analysis and Prediction of Gas Reservoirs Performance Supported by an Aquifer Based using Box-Behnken Design and Simulation Studies [PDF]
Journal of Chemical and Petroleum Engineering, 2020 Prediction of gas reservoir performance in some industrial cases requires costly and time-consuming simulation runs and a strong CPU must be involved in the simulation procedure.
Amir Hossein Saeedi Dehaghani +1 more
doaj +3 more sources
Lithosphere, 2021 Based on the comprehensive statistic and analysis on some representative geological and physical data, the classification criteria on net pay for shale gas reservoir of the Wufeng-Longmaxi formation in Shunan area, Sichuan Basin, are proposed, which ...
Jianlin Guo +3 more
doaj +1 more source
Energies, 2021 In order to investigate the change law of the explosion characteristic parameters of hybrid mixture of coal dust and gas, and then establish an effective prediction method of these parameters, the maximum explosion pressure, explosion index, and lower ...
Yingquan Qi +5 more
doaj +1 more source
Interferometric measurement of the resonant absorption and refractive index in rubidium gas [PDF]
, 2006 We present a laboratory demonstration of the Kramers-Kronig relation between the resonant absorption and refractive index in rubidium gas. Our experiment uses a rubidium vapor cell in one arm of a simple Mach-Zehnder interferometer.
Libbrecht, K. G., Libbrecht, M. W.
core +1 more source
On the robustness of the H$\beta$ Lick index as a cosmic clock in passive early-type galaxies [PDF]
, 2017 We examine the H$\beta$ Lick index in a sample of $\sim 24000$ massive ($\rm log(M/M_{\odot})>10.75$) and passive early-type galaxies extracted from SDSS at ...
Cimatti, A. +3 more
core +3 more sources
Coal Mine Gas Explosion Vulnerability Assessment Based on the “Glass Heart” Model
Geofluids, 2021 Gas explosion, which is the main type of accidents reported in coal mines, comes with serious economic and safety consequences. The present work adopts the “glass heart” model for assessing the vulnerability of coal mines to gas explosions based on a ...
Shuicheng Tian, Pengfei Yang, Kai Tang
doaj +1 more source
The Molecular Gas Density in Galaxy Centers and How It Connects to Bulges
, 2012 In this paper we present gas density, star formation rate, stellar masses, and bulge disk decompositions for a sample of 60 galaxies. Our sample is the combined sample of BIMA SONG, CARMA STING, and PdBI NUGA surveys.
Blitz, Leo +5 more
core +3 more sources