重离子放疗兼有物理学及生物学效应两方面的优势,重离子能量沉积在射程末端(布拉格峰),对沿途健康组织损伤小;治愈率高,可有效杀死乏氧肿瘤细胞,不存留肿瘤核;被誉为安全、精准.高效、最先进的放疗技术。中国是世界上第四个开展重离子...重离子放疗兼有物理学及生物学效应两方面的优势,重离子能量沉积在射程末端(布拉格峰),对沿途健康组织损伤小;治愈率高,可有效杀死乏氧肿瘤细胞,不存留肿瘤核;被誉为安全、精准.高效、最先进的放疗技术。中国是世界上第四个开展重离子肿瘤治疗临床试验研究的国家,我国第一台自主知识产权的重离子加速器(Heavy lon Medical Machine-1,HIMM-1)落户于甘肃武威,自完成重离子主楼内装工程及配套设施建设运行以来,取得医疗器械注册检测报告及I类辐射安全许可证。并于2019年5月25日完成临床试验治疗工作及短期随访,成功验证了碳离子治疗系统的有效性和安全性。2019年年底取得医疗器械注册证并获批上市,目前正式投入使用。本文重点介绍武威重离子治疗示范装置临床试验进展和发展情况。展开更多
The Ordovician karst carbonate reservoirs on the northern slope of central Tarim Basin are important oil and gas exploration targets in the basin, but their dissolution mechanisms are in controversy. In this paper, ba...The Ordovician karst carbonate reservoirs on the northern slope of central Tarim Basin are important oil and gas exploration targets in the basin, but their dissolution mechanisms are in controversy. In this paper, based on the integrated study of sedimentation, sequence and reservoir, together with microscopic analysis and macroscopic seismic data analysis, the carbonate karst reservoirs in the study area were divided into three types: dissolved pore-cavity limestone reservoir, pore-cavity dolomite reservoir and fracture-cavity siliceous reservoir, and their forming mechanisms were discussed respectively. Some findings were obtained. First, dissolved pore-cavity limestone reservoirs are distributed in the upper Yingshan Fm and Yijianfang Fm of the Ordovician vertically, while pore-cavity dolomite reservoirs are mainly developed in the Penglai Fm and lower Yingshan Fm of the Ordovician with great thickness. Second, dissolved pore-cavity limestone reservoirs were formed by karstification on the third-order sequence boundary (lowstand tract), while pore-cavity dolomite reservoirs were formed by deep burial dolomitization controlled by karstification on the third-order sequence boundary, both of which are distributed in the highstand tract below the third-order sequence boundary. Third, siliceous reservoirs are developed under the control of faulting, as a result of reworking of deep hydrothermal fluids along faults to the limestone, and the siliceous reservoirs and their hydrothermal solution fracture-cavity systems are distributed near faults. It is further predicted that, in addition to the three types of reservoir above, platform-margin reef-flat reservoirs are developed in the Ordovician on the northern slope of central Tarim Basin.展开更多
文摘重离子放疗兼有物理学及生物学效应两方面的优势,重离子能量沉积在射程末端(布拉格峰),对沿途健康组织损伤小;治愈率高,可有效杀死乏氧肿瘤细胞,不存留肿瘤核;被誉为安全、精准.高效、最先进的放疗技术。中国是世界上第四个开展重离子肿瘤治疗临床试验研究的国家,我国第一台自主知识产权的重离子加速器(Heavy lon Medical Machine-1,HIMM-1)落户于甘肃武威,自完成重离子主楼内装工程及配套设施建设运行以来,取得医疗器械注册检测报告及I类辐射安全许可证。并于2019年5月25日完成临床试验治疗工作及短期随访,成功验证了碳离子治疗系统的有效性和安全性。2019年年底取得医疗器械注册证并获批上市,目前正式投入使用。本文重点介绍武威重离子治疗示范装置临床试验进展和发展情况。
基金Supported by the Sinopec Northwest Oilfield Company Project“Genesis and occurrence of Ordovician reservoirs at the North Slope in the central Tarim Basin”(No.34400000-14-ZC0607-0031).
文摘The Ordovician karst carbonate reservoirs on the northern slope of central Tarim Basin are important oil and gas exploration targets in the basin, but their dissolution mechanisms are in controversy. In this paper, based on the integrated study of sedimentation, sequence and reservoir, together with microscopic analysis and macroscopic seismic data analysis, the carbonate karst reservoirs in the study area were divided into three types: dissolved pore-cavity limestone reservoir, pore-cavity dolomite reservoir and fracture-cavity siliceous reservoir, and their forming mechanisms were discussed respectively. Some findings were obtained. First, dissolved pore-cavity limestone reservoirs are distributed in the upper Yingshan Fm and Yijianfang Fm of the Ordovician vertically, while pore-cavity dolomite reservoirs are mainly developed in the Penglai Fm and lower Yingshan Fm of the Ordovician with great thickness. Second, dissolved pore-cavity limestone reservoirs were formed by karstification on the third-order sequence boundary (lowstand tract), while pore-cavity dolomite reservoirs were formed by deep burial dolomitization controlled by karstification on the third-order sequence boundary, both of which are distributed in the highstand tract below the third-order sequence boundary. Third, siliceous reservoirs are developed under the control of faulting, as a result of reworking of deep hydrothermal fluids along faults to the limestone, and the siliceous reservoirs and their hydrothermal solution fracture-cavity systems are distributed near faults. It is further predicted that, in addition to the three types of reservoir above, platform-margin reef-flat reservoirs are developed in the Ordovician on the northern slope of central Tarim Basin.
