Results 11 to 20 of about 130,835 (290)

Soil carbon dynamic characteristics of coal gangue-filled reclaimed cropland and forest land under time series

Meitan kexue jishu, 2023
In order to clarify the intrinsic mechanism between soil quality and soil carbon cycling after reclamation and to reveal the characteristic patterns of carbon dynamics of reclaimed soils under time series, the cultivated soils of 3, 6, 9 and 12 a ...
Tenghui MA, Rong LI, Kun WANG, Junfeng QU   +3 more
doaj   +1 more source

Effects of various wet environments on the characteristics of the dust cake deposited on the surface of filter media

Scientific Reports, 2023
The effect of wet environments on the dust cake of filter media was studied. The collapse angles of dust particles and the collapse angles between dust particles and filter media increase with increasing dust moisture content, relative humidity, and ...
Shihang Li, Yihan Lin, Muze Han, Hao Liu, Jiang Shao, Xiaoyu Tan, Yuchen Luo, Rongting Huang   +7 more
doaj   +1 more source

Review on Key Parameters and Characterization Technology of CO2 Sequestration Mechanism in Saline Aquifers

发电技术, 2022
As an important part of carbon capture, utilization and storage(CCUS) technology, CO2 sequestration in saline aquifers is an effective means to achieve the goal of carbon neutralization.
YE Hang, HAO Ning, LIU Qi
doaj   +1 more source

Conditional Dynamic Dependence and Risk Spillover between Crude Oil Prices and Foreign Exchange Rates: New Evidence from a Dynamic Factor Copula Model

Energies, 2022
This paper proposes a dynamic factor model to accurately characterize the dynamic dependence and risk spillovers between the crude oil and exchange rate returns of oil-trading countries from 2000–2020, conditional on the common factors.
Xu Wang, Xueyan Wu, Yingying Zhou
doaj   +1 more source

Impact of salinity of fracturing fluid on the migration of coal fines in propped fractures and cleats

Meitan xuebao, 2023
During the hydraulic fracturing of coalbed methane (CBM) well, the deposition of coal fines in propped fractures and the migration of coal fines in cleats will damage the permeabilities of propped fractures and cleats, consequently affecting the ...
Fansheng HUANG, Shuxun SANG, Shiqi LIU, Qiang CHEN, Xiaozhi ZHOU, Meng WANG   +5 more
doaj   +1 more source

Soil characteristics and microbial responses in post-mine reclamation areas in a typical resource-based city, China

Journal of Environmental Engineering and Landscape Management, 2021
Mining activities worldwide have resulted in soil nutrient loss, which pose risks to crop and environmental health. We investigated the effects of post-mine reclamation activities on soil physicochemical properties and microbial communities based on 16S ...
Min Tan, Xu Zhou, Gang Li, Mengyu Ge, Zhuang Chen, Junfeng Qu   +5 more
doaj   +1 more source

A Study on the Co-Combustion Characteristics of Coal and Bio-SRF in CFBC

Energies, 2023
Bio-SRF based on livestock waste has low heating value and high moisture content. The concentration of toxic gases such as SOx, NOx, and HCl in the flue gas is changed according to the composition of fuel, and it has been reported.
Jeong-Seon Shin, Dowon Shun, Churl-Hee Cho, Dal-Hee Bae   +3 more
doaj   +1 more source

Surface-observation-constrained high-frequency coal mine methane emissions in Shanxi, China, reveal more emissions than inventories, consistent with satellite inversion [PDF]

Atmospheric Chemistry and Physics
This work focuses on Changzhi, Shanxi, China, a city and surrounding rural region with one of the highest atmospheric concentrations of methane (CH4) worldwide (campaign-wide minimum, mean, standard deviation, and max observations: 2.0, 2.9, 1.3, and 16 ...
F. Lu, K. Qin, J. B. Cohen, Q. He, P. Tiwari, W. Hu, C. Ye, Y. Shan, Q. Xu, S. Wang, Q. Tu   +10 more
doaj   +1 more source

Greenhouse Gas Emission Accounting

, 2000
National emission inventories are surrounded with uncertainties, which cannot be eliminated completely but can be managed. In this study methods were developed for the review and assessment of the quality of national inventories for the Kyoto Protocol.
van Amstel, A.R., Janssen, L.H.J.M., Olivier, J.G.J.   +2 more
openaire   +3 more sources

Aminopropyl-Functionalized Silica CO2 Adsorbents via Sonochemical Methods

Journal of Chemistry, 2016
Aminopropyl-functionalized hexagonal mesoporous silica (HMS) products, as are of interest for CO2 capture applications, were separately prepared by mixing aminopropyltrimethoxysilane (APTS) and HMS in toluene via a conventional stirred reactor and via ...
Gregory P. Knowles, Alan L. Chaffee
doaj   +1 more source