Results 41 to 50 of about 592,816 (305)

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

Analysis of the main controlling factors of intra-well frac hit between deep coalbed methane in Daning-Jixian block and research on countermeasures to prevent and control it

open access: yesMeitan kexue jishu
With the large-scale construction and production of deep coalbed methane horizontal wells, the problem of inter-well frac hit has become more and more obvious, which seriously affects the normal production of neighboring wells. In order to avoid and slow
Ming CHEN   +8 more
doaj   +1 more source

Estimation of advective methane flux in gas hydrate potential area offshore SW Taiwan and its tectonic implications [PDF]

open access: yes, 2011
With the discoveries of Bottom Simulating Reflectors (BSRs), large and dense chemosynthetic communities and rapid sulfate reductions in pore space sediments, gas hydrates may exist in offshore southwestern Taiwan.
Chuang, Pei-Chuan   +6 more
core  

Effect of primary treatment and organic loading on methane emissions from horizontal subsurface flow constructed wetlands treating urban wastewater [PDF]

open access: yes, 2015
Methane is emitted in horizontal subsurface flow constructed wetlands (HSSF CWs) during wastewater treatment. The objective of this work was to determine the influence of primary treatment and organic loading rate on methane emissions from constructed ...
Corbella Vidal, Clara   +1 more
core   +2 more sources

Tuning the Selectivity of the CO2 Reduction Reaction by Means of Synergistic Interactions in the Cu, Ag, Ce System

open access: yesAdvanced Functional Materials, EarlyView.
Multi‐metal Cu─Ce─Ag nanoparticles harness synergistic interactions to drive efficient electrochemical CO2 reduction reaction toward C2+ products at high current densities. Ag enhances CO production, Ce modulates Cu oxidation states, and together they boost *CO coverage and local pH to enhance C─C coupling, enabling record C2+ yields with suppressed ...
Nini Zhang   +9 more
wiley   +1 more source

Intrabandgap States Engineering in Functionalized Nanodiamond to Generate Solvated Electrons for Photocatalysis Under Solar Illumination

open access: yesAdvanced Functional Materials, EarlyView.
The negative electron affinity of diamond allows to emit highly reductive electrons. By introducing intra‐bandgap states and an optimized electron transfer mechanism by surface functionalization with Ru(bpy)3, the formation of solvated electrons is achieved upon solar irradiation.
Benjamin Kiendl   +20 more
wiley   +1 more source

Drainage system research and application of deep coalbed methane gas reservoirs in Daning-Jixian block

open access: yesMeitan xuebao
Compared to Medium-shallow coalbed methane, deep coalbed methane exhibits significant differences in occurrence state, production mechanism, lifting technology, etc.As an important part of coalbed methane development, drainage directly impact the gas ...
Ming CHEN   +9 more
doaj   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

open access: yesAdvanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He   +5 more
wiley   +1 more source

Analysis of factors affecting the productivity of coalbed methane wells in Houxia Basin, Xinjiang

open access: yesMeikuang Anquan
The coalbed methane production of single-well varies widely and low in Houxia Basin, Xinjiang, indicating complexity control factors on the coalbed methane productivity. The statistical analysis, linear regression method and grey correlation mathematical
Peng LI   +5 more
doaj   +1 more source

Empirical line lists and absorption cross sections for methane at high temperature [PDF]

open access: yes, 2015
Hot methane is found in many "cool" sub-stellar astronomical sources including brown dwarfs and exoplanets, as well as in combustion environments on Earth.
Bailey, Jeremy   +3 more
core   +3 more sources

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