The Ediacaran–Ordovician strata within three major marine basins(Tarim,Sichuan,and Ordos)in China are analyzed.Based on previous studies focusing on the characteristics of the Neoproterozoic–Cambrian strata within t...The Ediacaran–Ordovician strata within three major marine basins(Tarim,Sichuan,and Ordos)in China are analyzed.Based on previous studies focusing on the characteristics of the Neoproterozoic–Cambrian strata within the three major basins(East Siberian,Oman,and Officer in Australia)overseas,the carbonate–evaporite assemblages in the target interval are divided into three types:intercalated carbonate and gypsum salt,interbedded carbonate and gypsum salt,and coexisted carbonate,gypsum salt and clastic rock.Moreover,the concept and definition of the carbonate-evaporite assemblage are clarified.The results indicate that the oil and gas in the carbonate-evaporite assemblage are originated from two types of source rocks:shale and argillaceous carbonate,and confirmed the capability of gypsum salt in the saline environment to drive the source rock hydrocarbon generation.The dolomite reservoirs are classified in two types:gypseous dolomite flat,and grain shoalµbial mound.This study clarifies that the penecontemporaneous or epigenic leaching of atmospheric fresh water mainly controlled the large-scale development of reservoirs.Afterwards,burial dissolution transformed and reworked the reservoirs.The hydrocarbon accumulation in carbonate-evaporite assemblage can be categorized into eight sub-models under three models(sub-evaporite hydrocarbon accumulation,supra-evaporite hydrocarbon accumulation,and inter-evaporite hydrocarbon accumulation).As a result,the Cambrian strata in the Tazhong Uplift North Slope,Maigaiti Slope and Mazatag Front Uplift Zone of the Tarim Basin,the Cambrian strata in the eastern-southern area of the Sichuan Basin,and the inter-evaporite Ma-4 Member of Ordovician in the Ordos Basin,China,are defined as favorable targets for future exploration.展开更多
目的:探讨中国台湾健康体检人群中血尿酸水平与肺功能指标和气流阻塞之间的相关性。方法:利用中国台湾美兆健康资源中心的体检资料,选取于1996—2016年间进行体检的40岁以上人群进行横断面分析,按照性别分别进行血尿酸水平与肺功能指标...目的:探讨中国台湾健康体检人群中血尿酸水平与肺功能指标和气流阻塞之间的相关性。方法:利用中国台湾美兆健康资源中心的体检资料,选取于1996—2016年间进行体检的40岁以上人群进行横断面分析,按照性别分别进行血尿酸水平与肺功能指标的相关性分析,以及血尿酸水平对气流阻塞影响的Logistic回归分析。结果:共纳入35465人,平均年龄(45.70±7.30)岁,男性16411人,女性19054人,其中,男性的血尿酸水平高于女性,存在气流阻塞的人群血尿酸水平高于无气流阻塞的人群。女性血尿酸水平与肺功能指标[第一秒用力呼气容积(forced expiratory volume in one second,FEV1)、用力肺活量(force vital capacity,FVC)]之间呈负相关(P<0.05),男性血尿酸水平与肺功能指标FEV1、FVC之间则无显著相关性(P>0.05)。在调整年龄、教育程度、吸烟、饮酒、工作强度、体重指数、是否咳嗽、高血压病史、糖尿病病史等指标,以及白细胞、白蛋白等生化指标后,随着血尿酸浓度的升高,女性更易存在气流阻塞(OR=1.12,95%CI:1.02~1.22,P<0.05)。按照是否患高尿酸血症进行分组,结果显示与血尿酸正常组相比,女性中高尿酸血症组更易存在气流阻塞(OR=1.36,95%CI:1.06~1.75,P<0.05),而男性中血尿酸浓度与气流阻塞患病之间无显著相关性(OR=1.04,95%CI:0.96~1.13,P>0.05),是否患高尿酸血症与气流阻塞的存在无显著相关性(OR=1.12,95%CI:0.89~1.39,P>0.05)。结论:女性健康体检人群中,血尿酸水平与肺功能指标FEV1、FVC之间存在负相关,高尿酸血症与气流阻塞的存在有相关性,在男性中则不明显。未来仍需要前瞻性研究来进一步验证高血尿酸水平是否与气流阻塞的发生相关联。展开更多
基金Supported by the National Natural Science Foundation of China(U22B6002)National Project for Oil and Gas Technology(2016ZX05-004)CNPC Science and Technology Project(2023ZZ02).
文摘The Ediacaran–Ordovician strata within three major marine basins(Tarim,Sichuan,and Ordos)in China are analyzed.Based on previous studies focusing on the characteristics of the Neoproterozoic–Cambrian strata within the three major basins(East Siberian,Oman,and Officer in Australia)overseas,the carbonate–evaporite assemblages in the target interval are divided into three types:intercalated carbonate and gypsum salt,interbedded carbonate and gypsum salt,and coexisted carbonate,gypsum salt and clastic rock.Moreover,the concept and definition of the carbonate-evaporite assemblage are clarified.The results indicate that the oil and gas in the carbonate-evaporite assemblage are originated from two types of source rocks:shale and argillaceous carbonate,and confirmed the capability of gypsum salt in the saline environment to drive the source rock hydrocarbon generation.The dolomite reservoirs are classified in two types:gypseous dolomite flat,and grain shoalµbial mound.This study clarifies that the penecontemporaneous or epigenic leaching of atmospheric fresh water mainly controlled the large-scale development of reservoirs.Afterwards,burial dissolution transformed and reworked the reservoirs.The hydrocarbon accumulation in carbonate-evaporite assemblage can be categorized into eight sub-models under three models(sub-evaporite hydrocarbon accumulation,supra-evaporite hydrocarbon accumulation,and inter-evaporite hydrocarbon accumulation).As a result,the Cambrian strata in the Tazhong Uplift North Slope,Maigaiti Slope and Mazatag Front Uplift Zone of the Tarim Basin,the Cambrian strata in the eastern-southern area of the Sichuan Basin,and the inter-evaporite Ma-4 Member of Ordovician in the Ordos Basin,China,are defined as favorable targets for future exploration.
文摘目的:探讨中国台湾健康体检人群中血尿酸水平与肺功能指标和气流阻塞之间的相关性。方法:利用中国台湾美兆健康资源中心的体检资料,选取于1996—2016年间进行体检的40岁以上人群进行横断面分析,按照性别分别进行血尿酸水平与肺功能指标的相关性分析,以及血尿酸水平对气流阻塞影响的Logistic回归分析。结果:共纳入35465人,平均年龄(45.70±7.30)岁,男性16411人,女性19054人,其中,男性的血尿酸水平高于女性,存在气流阻塞的人群血尿酸水平高于无气流阻塞的人群。女性血尿酸水平与肺功能指标[第一秒用力呼气容积(forced expiratory volume in one second,FEV1)、用力肺活量(force vital capacity,FVC)]之间呈负相关(P<0.05),男性血尿酸水平与肺功能指标FEV1、FVC之间则无显著相关性(P>0.05)。在调整年龄、教育程度、吸烟、饮酒、工作强度、体重指数、是否咳嗽、高血压病史、糖尿病病史等指标,以及白细胞、白蛋白等生化指标后,随着血尿酸浓度的升高,女性更易存在气流阻塞(OR=1.12,95%CI:1.02~1.22,P<0.05)。按照是否患高尿酸血症进行分组,结果显示与血尿酸正常组相比,女性中高尿酸血症组更易存在气流阻塞(OR=1.36,95%CI:1.06~1.75,P<0.05),而男性中血尿酸浓度与气流阻塞患病之间无显著相关性(OR=1.04,95%CI:0.96~1.13,P>0.05),是否患高尿酸血症与气流阻塞的存在无显著相关性(OR=1.12,95%CI:0.89~1.39,P>0.05)。结论:女性健康体检人群中,血尿酸水平与肺功能指标FEV1、FVC之间存在负相关,高尿酸血症与气流阻塞的存在有相关性,在男性中则不明显。未来仍需要前瞻性研究来进一步验证高血尿酸水平是否与气流阻塞的发生相关联。
