Results 1 to 10 of about 19,107,119 (264)

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

Frontiers 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, Yufei He, Jinbin Wan, Jianmeng Sun, Jingbo Zeng, Ruikang Cui   +5 more
doaj   +1 more source

Distribution Pattern and Occurrence State of Cobalt in Panxi Taihe Vanadium-titanium Magnetite

Kuangchan zonghe liyong
This is an article in the field of process mineralogy. Cobalt is a strategic metal primarily found as an associated element in metal deposits. The Panxi region's vanadium-titanium magnetite deposit, the largest of its kind in China, also contains ...
Yajun MEI, Bo HUI, Yaohui YANG
doaj   +1 more source

Distribution characteristics and mechanisms of CH4 and CO2 adsorption in montmorillonite nanopores in water-bearing and saline environments

Meitian dizhi yu kantan
BackgroundCarbon capture, utilization, and storage (CCUS) has emerged as a significant way to reduce greenhouse gas emissions under the guidance of the strategic goals of peak carbon dioxide emissions and carbon neutrality.
Kai DU, Zhenhua RUI, Cheng QIAN, Siwei CHEN   +3 more
doaj   +1 more source

Study on occurrence state of shale oil and gas in nanopores of rock surface

Youqi dizhi yu caishoulu
Shale oil and gas are widely distributed in oil shale nanopores. Their occurrence state on the rock surface is crucial in disrupting the continuity characteristics.
FANG Wei, LU Yan, LI Mai, CAO Lifan, LI Chenlong, GAO Run   +5 more
doaj   +1 more source

A review of the occurrence and extraction of key coal-associated metals: gallium, germanium, lithium, and uranium

矿业科学学报
Coal and its associated resources serve as crucial non-traditional sources for recovering strategic rare metals, such as gallium (Ga), germanium (Ge), lithium (Li), and uranium (U).
LI Shan, XU Hongxiang, HUANGFU Zechao, CAO Yijun, HUANG Gen, DENG Jiushuai, ZHAO Pengfei, MA Lin, WU Jinwen, LI Wentao, CUI Jiahua, ZHANG Pengyu   +11 more
doaj   +1 more source

Structural Characterization of Phosphorous Slag Regarding Occurrence State of Phosphorus in Dicalcium Silicate. [PDF]

Materials (Basel), 2022
Wang Y, Zhang N, Xiao H, Zhao J, Zhang Y, Liu X.   +5 more
europepmc   +1 more source

Application of EPMA to Study the Characteristics of Gold-bearing Minerals in the Zhaojiazhuang Gold Deposit in Longnan, Gansu Province

Yankuang ceshi, 2018
BACKGROUND Microscopy and Electron Microprobe are the main methods for the study of gold-bearing minerals. Using these methods, the content and morphology of gold-bearing minerals and their spatial relationship with other minerals were studied in the ...
JING Guo-qiang, LIAN Kang, HU Fei-fei, LI Lei, DU Ya-long   +4 more
doaj   +1 more source

Variation characteristics of CO2 adsorption phase density in coal seam and Its Controlling mechanism: A case study of Huainan-Huaibei coalfield

Meitian dizhi yu kantan
Objectives and Methods The CO2 adsorption phase density is a key factor determining the CO2 adsorption sequestration capacity in coal seams. To deeply understand the characteristics of CO2 density distribution in pores of the coal seam, taking the No.13 ...
Huihu LIU, Zhengpu FAN, Jinghao YANG, Junlin LIU, Hai DING, Hongjie XU, Deyi GAO, Huihuang FANG, Yuqing ZHAO   +8 more
doaj   +1 more source

Fractal Characteristics of Pore Structure in Lacustrine Shale Oil Reservoirs and Controlling Factors of Oil Occurrence State: A Case Study of Da’anzhai Member, Sichuan Basin

Fractal and Fractional
The Jurassic lacustrine oil shale in southwest China has become a primary production layer due to its high yield and substantial reserves. However, influenced by the lacustrine environment, the vertical profile of the lacustrine shale reservoir shows ...
Miao Li, Xueying Yan, Yuqiang Jiang, Hongzhan Zhuang, Zhanlei Wang   +4 more
doaj   +1 more source

Pore structure and gas-bearing properties of deep high-rank coal reservoirs in southeastern Ordos Basin

Youqicang pingjia yu kaifa
The cross-scale characteristics of pore systems in deep coal reservoirs directly affect the occurrence state and seepage capacity of coalbed methane (CBM), and have an important influence on the adsorption-desorption processes of deep CBM.
ZHANG CHENXUAN, LIU GUIZHEN, GAO RONGHUI, YE LEJUN, HAN MING, LIN SHUHAN   +5 more
doaj