Results 31 to 40 of about 24,816 (277)

Current status and development trends of deep coalbed methane research in China

open access: yesShiyou shiyan dizhi
Deep coalbed methane (CBM) possesses enormous resource potential and is essential for increasing unconventional natural gas reserves and production on a large scale in China.
Wei JU   +6 more
doaj   +1 more source

The primary controlling factors of the occurrence state of deep high-rank coalbed methane in eastern Ordos Basin

open access: yesFrontiers in Earth Science
Introduction: This study investigates the key controlling factors of the occurrence state of deep coalbed methane (CBM). CBM is an abundant energy resource in China, particularly in deep coal seams.
Yujiang Shi   +5 more
doaj   +1 more source

Effect of disorder on transport properties in a tight-binding model for lead halide perovskites

open access: yes, 2017
The hybrid organic-inorganic lead halide perovskite materials have emerged as remarkable materials for photovoltaic applications. Their strengths include good electric transport properties in spite of the disorder inherent in them.
Ashhab, S.   +4 more
core   +1 more source

A Universal Interfacial Dipole Strategy for Defect Suppression in Inverted Perovskite Solar Cells With Tunable Bandgaps

open access: yesAdvanced Functional Materials, EarlyView.
A 2D heterointerface with a two‐site anchor bridge suppresses nonradiative recombination at the perovskite/C₆₀ interface by reducing surface defects, elevating the Fermi level, and strengthening the electric field. This strategy enables efficient electron extraction, delivering 26.32% efficiency, 1.217 V Voc, excellent operational stability, and broad ...
Chaohui Li   +27 more
wiley   +1 more source

Geological characteristics and resource potential of deep coalbed methane in Guizhou

open access: yesMeitan xuebao
Accelerating the exploration and development of deep ( > 1 000 m)coalbed methane (CBM) resources is an important way for the large-scale development of CBM and an important development direction in recent years. Guizhou Province is rich in CBM resources,
Zhaobiao YANG   +12 more
doaj   +1 more source

Ab Initio Study of Phase Stability in Doped TiO2

open access: yes, 2012
Ab-initio density functional theory (DFT) calculations of the relative stability of anatase and rutile polymorphs of TiO2 were carried using all-electron atomic orbitals methods with local density approximation (LDA).
Assadi, Mohammed H. N.   +4 more
core   +1 more source

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

Challenges and countermeasures for exploration and development of deep CBM of South Yanchuan

open access: yesYouqicang pingjia yu kaifa, 2020
Deep CBM resources with great potential is an important area of CBM exploration and development in China. After more than 10 years of research and exploration, Sinopec East China Oil & Gas Company has made positive progress in basic geological theory
WU Yuyuan, CHEN Zhenlong
doaj  

Characteristics of low-rank coal reservoir and exploration potential in Junggar Basin: new frontier of low-rank CBM exploration in China

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
Low-rank coal reservoirs of Badaowan Formation and Xishanyao Formation are mainly developed in Junggar Basin. This paper discussed their features and coalbed methane (CBM) exploration potential based on geological survey, coal samples testing and ...
Yuanjiang Yu, Yonghua Wang
doaj   +1 more source

Research on Deep Coalbed Methane Localized Spotting and Efficient Permeability Enhancement Technology

open access: yesApplied Sciences, 2022
To solve the bottleneck problem of low deep coal seam permeability and difficult coalbed methane (CBM) mining. Combining hydraulic splitting technology and directional drilling technology, a directional hydraulic splitting enhancement method of deep CBM ...
Jiayong Zhang   +4 more
doaj   +1 more source

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