Results 41 to 50 of about 1,018 (170)

Differential Reservoir-Forming Mechanisms of the Lower Paleozoic Wufeng-Longmaxi and Niutitang Marine Gas Shales in Northern Guizhou Province, SW China: Theories and Models

Energies, 2022
Fine dissection of microscopic pore structure variations between the Niutitang Formation and the Wufeng-Longmaxi Formation will help to improve the understanding of the underlying geological theory of shale gas in northern Guizhou Province.
Wei Du, Wei Yang, Xingyu Li, Fulun Shi, Ruiqin Lin, Yisong Wang, Daquan Zhang, Yi Chen, Zhao Sun, Fuping Zhao   +9 more
doaj   +1 more source

Mitral regurgitation detection and central/eccentric classification using transformer‐based deep learning in multi‐view echocardiography

Journal of Applied Clinical Medical Physics, Volume 27, Issue 4, April 2026.
Abstract Background Fully automated diagnostic echocardiography allows for broader screening, earlier diagnosis for patients with mitral regurgitation (MR). This feasibility study developed a deep learning (DL) framework to automatically detect MR in echocardiography videos and classify regurgitation samples into central or eccentric regurgitation ...
Xiaofang Zhong, Jiancheng Zhang, Yuanyuan Sheng, Ying Guo, Yumei Yang, Yuxiang Huang, Hongjuan Zhao, Wei Zeng, Lixin Chen, Dong Ni, Jinfeng Xu, Wufeng Xue, Yingying Liu   +12 more
wiley   +1 more source

Lithofacies of Upper Ordovician Wufeng Formation in Sichuan Basin and its periphery

Shiyou shiyan dizhi, 2020
The Upper Ordovician Wufeng Formation was divided into the shale and Guanyinqiao sections. Based on the comparative analysis of shale gas drilling cores and the whole rock mineral composition of the Wufeng Formation in the Sichuan Basin and its periphery, three end members including siliceous minerals (quartz), clay minerals and carbonate minerals were
Wei DU, Zongquan HU, Guangxiang LIU, Tong ZHU, Haikuan NIE, Caina YAN, Guanping WANG   +6 more
openaire   +1 more source

Lithofacies Types and Physical Characteristics of Organic-Rich Shale in the Wufeng–Longmaxi Formation, Xichang Basin, China

ACS Omega, 2023
The shale of the Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation in the Xichang Basin is the main replacement horizon for the shale gas exploration being conducted in the Sichuan Province, except for the Sichuan Basin.
Wei He, Tao Li, Bixin Mou, Yuxue Lei, Jinhui Song, Zhicheng Liu   +5 more
openaire   +2 more sources

Analysis of the difference between the test and production in Well Z202-H1 [PDF]

E3S Web of Conferences, 2020
In recent years, shale gas in the Upper Ordovician Wufeng Formation and lower Silurian Longmaxi Formation is gradually developing into deep strata in Sichuan Basin.
Lei Zhian, Mao Zhenglin, Qi Lin, Zheng Jian, Zhang Haijie, Xie Wei   +5 more
doaj   +1 more source

Development and Characterization of a Curcumin‐Loaded Lipid‐Based Solution With Improved Pharmacokinetics and Hepatoprotective Efficacy in Grass Carp

Aquaculture, Fish and Fisheries, Volume 6, Issue 2, April 2026.
ABSTRACT Hepatobiliary syndrome (HBS) represents a significant challenge in farmed freshwater fish. While curcumin has emerged as a promising therapeutic candidate for HBS management, its clinical application remains constrained by poor solubility and low bioavailability.
Yunchao Zhang, Shun Zhou, Shuo Li, Chunhong Zheng, Xingxing Chen, Zemao Gu   +5 more
wiley   +1 more source

Geochemical characteristics and organic matter enrichment model of Wufeng-Longmaxi formations shale in northeast Sichuan China

Meitan kexue jishu
The Sichuan Basin, located in southwestern China, is considered the primary producing area for shale gas development in the country. Its rich shale gas reserves have made it a significant contributor to China’s energy production. Within the Sichuan Basin,
Zhibo ZHANG, Yinghai GUO, Weiqing ZHENG, Chunlin ZENG, Yan LI, Difei ZHAO, Jiaming ZHANG   +6 more
doaj   +1 more source

Development of Upwelling during the Sedimentary Period of the Organic-Rich Shales in the Wufeng and Longmaxi Formations of the Upper Yangtze Region and Its Impact on Organic Matter Enrichment

Journal of Marine Science and Engineering, 2019
This study uses logging data, mineral component content, total organic carbon (TOC) content, and microscopic characteristics of the organic-rich shales in the Wufeng and Longmaxi Formations, as well as data reported by other researchers, to demonstrate ...
Shao-Ze Zhao, Yong Li, Hua-Jun Min, Tong Wang, Zhou Nie, Zhan-Zhao Zhao, Jia-Zhen Qi, Jin-Cheng Wang, Jia-Peng Wu   +8 more
doaj   +1 more source

Low Dosage of ABA Enhances Arbuscule Formation and Recovers the Inhibitory Effect of Low pH on This Process

Plant-Environment Interactions, Volume 7, Issue 2, April 2026.
ABSTRACT Arbuscular mycorrhizal (AM) fungi can form symbiotic associations with plants and play a significant role in enhancing plant tolerance to acidic stress, wherein arbuscules serve as key structures in this process. However, the response patterns of arbuscule development and function under low pH conditions remain poorly understood.
Xiaodi Liu, Zengwei Feng, Wei Zhang, Ning Wang, Qing Yao, Honghui Zhu   +5 more
wiley   +1 more source

Shale petrofacies division of Wufeng-Longmaxi formations in Sichuan Basin and its periphery

Shiyou shiyan dizhi, 2020
The research of shale petrofacies is significant for the exploration of shale gas "sweet spots". Different petrographic division schemes have been proposed but no consensus has been reached. This paper has studied the criteria and boundary values of the petrographic classification reference parameters of the Upper Ordovician Wufeng-Lower Silurian ...
Tao YUAN, Xiangfeng WEI, Hanrong ZHANG, Chunyan LI, Fubin WEI, Longfei LU, Qiang WANG   +6 more
openaire   +1 more source