Results 51 to 60 of about 294,577 (164)

How do Capital Goods Index, Metal Index and Oil and Gas Index explain the rising Auto Index?

open access: yesInternational Journal for Research in Applied Science and Engineering Technology, 2021
Abstract: The automobile sector holds a noteworthy position in the Indian economy. Resurgence of the sector from the shortterm slump it experienced in 2019 and the advent of electronic vehicle revolution is certain to bring about remarkable changes in the industry.
openaire   +1 more source

Energy import diversity of energy importing countries: focus on Korea and Japan

open access: yesИнтеллект. Инновации. Инвестиции, 2019
This article tries to assess the energy import diversity of the Republic of Korea and Japan, which are 2 of the biggest energy importing countries and have a higher level of dependency on energy import.
Yoon Youngmin
doaj   +1 more source

Dynamic discrimination method of gas security situation of stope face

open access: yesGong-kuang zidonghua, 2016
Dynamic discrimination method of gas security situation of stope face and six kinds of diversified evaluation indexes were proposed started from two major gas discharge forms of gas drainage and underground ventilation, and combining three major methane ...
LIU Yabing
doaj   +1 more source

The Role of Financial Development Factors on How to Affect Oil Price on Oil and Gas Rents in Iran [PDF]

open access: yesپژوهشهای اقتصادی, 2020
This paper investigates the role of financial development factors on how to affect oil price on oil and gas rents in Iran. In order to construct a multidimensional financial development index, the principal component analysis and weighted average of nine
fateme shamsolahrar fard   +4 more
doaj  

Quantitative evaluation of high production areas of CBM with high coal rank in southern Qinshui Basin

open access: yesYouqicang pingjia yu kaifa, 2019
The effective prediction of high production areas of CBM is of great significance to improve the production and the development benefits of single wells.In order to the evaluate the production capacity of CBM formation quantitatively,based on the ...
WANG Jinghui   +3 more
doaj  

High‐Sensitivity Terahertz Gas Sensing Enabled by Undercut Metal‐Dielectric‐Metal Metamaterial

open access: yesAdvanced Materials Interfaces
Terahertz (THz) metamaterial gas sensors offer a promising platform for refractive‐index‐based detection owing to their extended near‐field interaction volume.
Naoki Inomata   +2 more
doaj   +1 more source

Quantitative criteria for identifying main flow channels in complex porous media

open access: yesPetroleum Exploration and Development, 2019
To identify the type of main flow channels of complex porous media in oil and gas reservoirs, the “main flow channel index” is defined as the ratio of comprehensive permeability obtained from well test to matrix permeability obtained from core analysis ...
Xizhe LI   +9 more
doaj   +1 more source

Energy efficiency evaluation of a natural gas pipeline based on an analytic hierarchy process

open access: yesAdvances in Mechanical Engineering, 2017
A long-distance natural gas pipeline system consists of considerable equipment and many pipe segments, but the conventional energy efficiency index of a natural gas pipeline is considered as a whole.
Ying Xie   +4 more
doaj   +1 more source

A Multivariable Index for Grading Exercise Gas Exchange Severity in Patients with Pulmonary Arterial Hypertension and Heart Failure

open access: yesPulmonary Medicine, 2012
Patients with pulmonary arterial hypertension (PAH) and heart failure (HF) display many abnormalities in respiratory gas exchange. These abnormalities are accentuated with exercise and track with disease severity.
Chul-Ho Kim   +3 more
doaj   +1 more source

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