Results 51 to 60 of about 5,732,959 (308)

Geochemistry of Formation Water and Its Implications for Petroleum Source Rocks in the Fengcheng Formation, Mahu Depression, Xinjiang, China

Frontiers in Earth Science, 2022
Geochemical properties of formation water reflect the sedimentary environments and the sealing conditions of the formation, which are of great significance for oil and gas exploration.
Jian Wang, Jian Wang, Jian Wang, Lu Zhou, Lu Zhou, Jin Liu, Xinji Zhang, Xiaojing Luo, Rong Zhu, Yong Wu, Yong Wu, Zhaoyan Ren, Jeffrey Dick   +12 more
doaj   +1 more source

Redefining the Nitrogen Cycle Through Electronic Configuration Driven Electrocatalysis for Low Carbon Energy

Carbon Energy, EarlyView.
This review reveals how electronic configuration engineering governs the entire electrocatalytic nitrogen cycle, providing structure‐informed insights into reaction selectivity, catalytic durability, and sustainable nitrogen utilization across energy and environmental systems. ABSTRACT The global nitrogen cycle is essential to food production, chemical
Jiamu Feng, Linai Zhou, Mincan Yang, Aoxiang Zhu, Zengfeng Wei, Weilin Xu, Jia Li, Jun Wan   +7 more
wiley   +1 more source

Spatial and temporal distribution, geochemical characteristics of carbonatites and their relationship with U–REE mineralization in the Xiaoqinling area, Shaanxi Province

Dizhi lixue xuebao
[ Objective ] Carbonatites, as magmatic-origin rocks, are crucial source rocks for uranium, rare earth, and other minerals. They are widely distributed in the Xiaoqinling region of Shaanxi, giving rise to numerous large to super-large carbonatite ...
KANG Qingqing, CHEN Zhengle, PAN Jiayong, LI Peng, LIU Yulong, LI Lei, JIANG Hongjun, GAO Cheng   +7 more
doaj   +1 more source

Carbon Dioxide and its Carbon Isotopic Composition of Natural Gas in the Sichuan Basin, SW China

Frontiers in Earth Science, 2022
The Sichuan Basin, covering an area of 180 × 103 km2, has the following advantages in natural gas geology: The sedimentary rocks are 6,000–12,000 m thick with high maturity of source rocks, and nine sets of primary gas source rocks are developed in the ...
Jinxing Dai, Yunyan Ni, Quanyou Liu, Xiaoqi Wu, Cong Yu, Deyu Gong, Feng Hong, Yanling Zhang, Zengmin Yan   +8 more
doaj   +1 more source

(Table 2) Geochemical and geophysical characteristics of nine soil samples from Livingston Island, South Shetland Archipelago

, 2011
(Table 2) Geochemical and geophysical characteristics of nine soil samples from Livingston Island, South Shetland ...
Wagner, Dirk, Dirk Wagner (6960929), Lipski, André, Hans-Wolfgang Hubberten (6959312), Lars Ganzert (8012381), André Lipski (414189), Ganzert, Lars, Hubberten, Hans-Wolfgang   +7 more
core   +1 more source

Gibbs energy minimization thermodynamics for CO2 capture by aqueous amines: Conservation laws, concentration variables, and parameter consistency

The Canadian Journal of Chemical Engineering, EarlyView.
We clarify how Gibbs‐energy‐minimization models for aqueous‐amine CO2 capture fail when conservation constraints and concentration conventions are inconsistent. Exact standard‐state conversions and Reaktoro case studies show that P(CO2)‐loading fits can mask non‐unique parameters and wrong speciation, motivating complete water‐inclusive formulations ...
William R. Smith, William Rutherford, Allan M. M. Leal   +2 more
wiley   +1 more source

Geochemical Characteristics and Genesis of the Dahongshan Copper Deposit in Yunnan Province

Chemical Engineering Transactions, 2018
Yunnan Dahongshan Copper Mine is one of the largest copper mines in Yunnan Province with an important economic value. Based on the spatial-temporal evolutionary structure and metallogenic characteristics of the Dahongshan Copper Mine, this paper studied ...
Chuntao Ouyang
doaj   +1 more source

The spatial distribution characteristics of Nb–Ta of mafic rocks in subduction zones

Open Geosciences, 2021
High field-strength elements have been regarded as one of the most important discriminations in subduction zone magma. However, the spatial distribution of Nb and Ta in subduction zone-related rocks has been rarely studied; it is still unclear whether ...
Li Weiwei, Ge Can, Wang Fangyue, Sun He, Gu Haiou   +4 more
doaj   +1 more source

Geochemical Characteristics and Origin of Tight Gas in Member Two of the Upper Triassic Xujiahe Formation in Western Sichuan Depression, Sichuan Basin, SW China

Frontiers in Earth Science, 2022
Natural gas in the tight sandstone reservoirs in Member two of the Upper Triassic Xujiahe Formation in the Western Sichuan Depression of the Sichuan Basin has complex geochemical characteristics, and the origin and source of the tight gas are revealed ...
Xiaoqi Wu, Xiaoqi Wu, Quanyou Liu, Quanyou Liu, Yingbin Chen, Yingbin Chen, Jun Yang, Jun Yang, Huasheng Zeng, Huasheng Zeng, Huaji Li   +10 more
doaj   +1 more source

Research progress and current status of dynamic wave propagation characteristics in rock mass: A review

Deep Underground Science and Engineering, EarlyView.
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu, Tao Li, Ruiqi Yuan, Yue Li, Bingni Wu, Bo Liu, Zhengding Deng, Galindo Rubén, Fausto Molina‐Gómez   +8 more
wiley   +1 more source