Objective To compare the clinical features and high-resolution esophageal motility-impedance characteristics among esophagogastric junction outflow obstruction(Eoo)patients,typeⅡachalasia(Ach)patients and healthy con...Objective To compare the clinical features and high-resolution esophageal motility-impedance characteristics among esophagogastric junction outflow obstruction(Eoo)patients,typeⅡachalasia(Ach)patients and healthy controls(Con),in order to explore the values of esophageal high-resolution manometry(HRM)in diagnosis and treatment of Eoo patients.Methods Patients展开更多
In the Middle and Upper Yangtze region of South China,there are well developed sets of marine shale strata.Currently only Wufeng Longmaxi shale gas has been developed in scale,while the Sinian and Cambrian shale gas a...In the Middle and Upper Yangtze region of South China,there are well developed sets of marine shale strata.Currently only Wufeng Longmaxi shale gas has been developed in scale,while the Sinian and Cambrian shale gas are still under exploration.The various shale strata show different characteristics in lithological features,such as lithofacies types and reservoir physical properties,which are due to the influence of tectonic pattern,sedimentary environment,and diagenesis caused by tectonic subsidence.This will affect the later fracturing technology and fracturing effect.The shale reservoirs of Sinian doushantuo,Cambrian Niutitang,Upper Ordovician Wufeng,and the Lower Silurian Longmaxi Formation shale were evaluated and compared with each other with respect to their sedimentary environments,lithofacies,minerals compositions,and micro pore characteristics.The reservoir characteristics of the shale and the main control factors of shale gas enrichment were summarized in this study.展开更多
文摘Objective To compare the clinical features and high-resolution esophageal motility-impedance characteristics among esophagogastric junction outflow obstruction(Eoo)patients,typeⅡachalasia(Ach)patients and healthy controls(Con),in order to explore the values of esophageal high-resolution manometry(HRM)in diagnosis and treatment of Eoo patients.Methods Patients
基金supported by the National Science and Technology Major Project of the Ministry of Science and Technology of China(No.2016ZX05034)the Shale Gas Strategic Constituency Survey in Chongqing-Hubei-Yunnan-Guangxi provinces(No.DD20190108)。
文摘In the Middle and Upper Yangtze region of South China,there are well developed sets of marine shale strata.Currently only Wufeng Longmaxi shale gas has been developed in scale,while the Sinian and Cambrian shale gas are still under exploration.The various shale strata show different characteristics in lithological features,such as lithofacies types and reservoir physical properties,which are due to the influence of tectonic pattern,sedimentary environment,and diagenesis caused by tectonic subsidence.This will affect the later fracturing technology and fracturing effect.The shale reservoirs of Sinian doushantuo,Cambrian Niutitang,Upper Ordovician Wufeng,and the Lower Silurian Longmaxi Formation shale were evaluated and compared with each other with respect to their sedimentary environments,lithofacies,minerals compositions,and micro pore characteristics.The reservoir characteristics of the shale and the main control factors of shale gas enrichment were summarized in this study.