There are a large number of Mesozoic intrusive and volcanic rocks in western Liaoning of China,which is an ideal place to study the Mesozoic Paleo-Pacific subduction processes,and lithospheric destruc-tion of North Ch...There are a large number of Mesozoic intrusive and volcanic rocks in western Liaoning of China,which is an ideal place to study the Mesozoic Paleo-Pacific subduction processes,and lithospheric destruc-tion of North China Craton.Detailed petrographic,zircon U-Pb dating and geochemical studies of the Early Jurassic granites in Huashan pluton,Xingcheng,western Liaoning,indicate that the Early Jurassic granites were formed at 184-174 Ma,mainly composed of syenite and monzogranite.The geochemical characteristics show high contents of SiO_(2),Al_(2)O_(3)and Na_(2)O+K_(2)O,low contents of Fe_(2)O_(3)and MgO,enrichment in LREEs and LILEs,and depletion in HREEs and HFSEs,and have a high content of Sr and low contents of Y and Yb,with weak negative Eu anomalies and slightly negative anomalies of Ce,indicating that they are a set of intermediate-acidic adakitic granites in high-K calc-alkaline series.All the facts significantly suggest that the Early Jurassic adakitic granites were formed at the active continental margin in the context of Paleo-Pacific plate subduction.展开更多
老年肌少症与心功能不全的概述一、定义肌少症首次在1989年被提出,是指与增龄相关的进行性、全身肌量减少和(或)肌强度下降、肌肉生理功能减退的综合征[1]。2010年,欧洲老年人肌少症工作组(European Working Group on Sarcopenia in Old...老年肌少症与心功能不全的概述一、定义肌少症首次在1989年被提出,是指与增龄相关的进行性、全身肌量减少和(或)肌强度下降、肌肉生理功能减退的综合征[1]。2010年,欧洲老年人肌少症工作组(European Working Group on Sarcopenia in Older People,EWGSOP)提出了肌少症的定义及诊断[2]。考虑亚洲人和欧洲人的体型、生活模式等差异,2014年亚洲肌少症工作组(Asian Working Group for Sarcopenia,AWGS)为亚洲肌少症患者修改制定、发布了类似EWGSOP的标准。2019年,AWGS仍保留之前的肌少症定义中与年龄相关的肌肉质量减少,同时还要存在肌肉力量和(或)躯体功能下降。展开更多
基金Supported by the National Key R&D Program of China(No.2016YFC0666108-02).
文摘There are a large number of Mesozoic intrusive and volcanic rocks in western Liaoning of China,which is an ideal place to study the Mesozoic Paleo-Pacific subduction processes,and lithospheric destruc-tion of North China Craton.Detailed petrographic,zircon U-Pb dating and geochemical studies of the Early Jurassic granites in Huashan pluton,Xingcheng,western Liaoning,indicate that the Early Jurassic granites were formed at 184-174 Ma,mainly composed of syenite and monzogranite.The geochemical characteristics show high contents of SiO_(2),Al_(2)O_(3)and Na_(2)O+K_(2)O,low contents of Fe_(2)O_(3)and MgO,enrichment in LREEs and LILEs,and depletion in HREEs and HFSEs,and have a high content of Sr and low contents of Y and Yb,with weak negative Eu anomalies and slightly negative anomalies of Ce,indicating that they are a set of intermediate-acidic adakitic granites in high-K calc-alkaline series.All the facts significantly suggest that the Early Jurassic adakitic granites were formed at the active continental margin in the context of Paleo-Pacific plate subduction.
文摘老年肌少症与心功能不全的概述一、定义肌少症首次在1989年被提出,是指与增龄相关的进行性、全身肌量减少和(或)肌强度下降、肌肉生理功能减退的综合征[1]。2010年,欧洲老年人肌少症工作组(European Working Group on Sarcopenia in Older People,EWGSOP)提出了肌少症的定义及诊断[2]。考虑亚洲人和欧洲人的体型、生活模式等差异,2014年亚洲肌少症工作组(Asian Working Group for Sarcopenia,AWGS)为亚洲肌少症患者修改制定、发布了类似EWGSOP的标准。2019年,AWGS仍保留之前的肌少症定义中与年龄相关的肌肉质量减少,同时还要存在肌肉力量和(或)躯体功能下降。
