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Impending HRT wave precursors to the Wenchuan M_s8.0 earthquake and methods of earthquake impending prediction by using HRT wave

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Science China Earth Sciences 2009年第10期52卷 1572-1584页

作者： QIAN FuYe ZHAO BiRu QIAN Wei ZHAO Jian HE ShiGen ZHANG HongKui LI ShiYu LI ShaoKun YAN GuLiang WANG ChengMin SUN ZhenKai ZHANG DongNing LU Jun ZHANG Ping YANG GuoJun SUN JiaLin GUO ChunSheng TANG YuXiong XU JianMing XIA KunTao JU Hang YIN BangHong LI Ming YANG DongSheng QI WeiLuo HE TaiMing GUAN HuaPing ZHAO YuLin Institute of Geophysics China Earthquake AdministrationBeijing 100081China Tianjin Hi-tech Development Co.Ltd Tianjin 300201China Department of Physics University of TorontoL6C1V9Canada College of Disaster Prevention Techniques Yanjiao 065201China Earthquake Administration of Beijing Municipality Beijing 100080China Earthquake Administration of Sichuan Province Chengdu 610041China Committee of National Development and Reformation Beijing 100824China Institute of Earthquake Science China Earthquake AdministrationBeijing 100036China China Earthquake Network Center Beijing 100036China Earthquake Administration of Yunnan Province Kunming 650041China Earthquake Administration of Tianjin Municipality Tianjin 300201China Earthquake Administration of Inner Mongolia Autonomous Region Huhhot 010010China the gucheng district bureau Lijiang674100China

We deployed four geo-electric monitoring stations in Sichuan and Yunnan provinces from 2004, using the new generation of equipment (PS-100) and technologies to capture the HRT wave earthquake precursor. Before the Wenchuan Ms8.0 earthquake, we recorded the HRT wave precursor at the only operating station in Hongge (HG, Δ=465 km) and found that significant impending signal had been recorded at the station in the early morning ( 0―5 am) of 12th of May, 2008. The precursor for this earthquake is consistent with precursors recorded for other strong earthquakes. The measured physical properties (geo-resistivity and telluric-current) show tidal wave period oscillations from several days to several months before the earthquakes and the amplitude of such HT oscillation increases significantly towards the occurrence of an earthquake. These HT and RT waves from the epicenter have a causal relationship with the earthquakes that happened several days later. The arrival time of two RT waves is proportional to the distance from the station to the epicenter. The estimated natural decay of the amplitude is correlated with the natural period (T0) of the earthquake fault, which is proportional to the fault length. From this relationship, we can predict the earthquake magnitude. For magnitude 6―9 earthquakes, the natural period is about 1―6 hours. Such oscillation comes from the epicenter area and they can propagate several thousand kilometers in the Earth's crust. Before a strong earthquake in the shallow crust, the conductive pore fluid will experience major changes before the fault rapture. Such fluid change will emit an oscillation in the pore fluid pressure. This is the mechanism for the HRT wave generation. Since the China Earthquake Administration funded the HRT wave short-term earth-quake prediction project in 2003, the first record of HRT precursor wave has been recorded from the 2004-12-26 Sumatra Mw9.0 earthquake with the largest epicentre distance Δ=2900 km. Thereafter, we

关键词： Wenchuan Ms8.0 earthquake HRT wave (mechanism) model PS-100 geo-resistivity meter HRT wave precursor precursor consistency feasibility of short-term and impending earthquake prediction

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SARS-CoV-2 immunity and functional recovery of COVID-19 patients 1-year after infection

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Signal Transduction and Targeted Therapy 2021年第11期6卷 3283-3294页

作者： Yan Zhan Yufang Zhu Shanshan Wang Shijun Jia Yunling Gao Yingying Lu Caili Zhou Ran Liang Dingwen Sun Xiaobo Wang Zhibing Hou Qiaoqiao Hu Peng Du Hao Yu Chang Liu Miao Cui Gangling Tong Zhihua Zheng Yunsheng Xu Linyu Zhu Jin Cheng Feng Wu Yulan Zheng Peijun Liu Peng Hong Department of Rehabilitation Medicine Xiangyang Central HospitalAffiliated Hospital of Hubei University of Arts and ScienceXiangyangHubei441021China Department of Laboratory Medicine Xiangyang Central HospitalAffiliated Hospital of Hubei University of Arts and ScienceXiangyangHubei441021China Department of Radiology and Medical Imaging Xiangyang Central HospitalAffiliated Hospital of Hubei University of Arts and ScienceXiangyangHubei441021China Department of Research Affairs Xiangyang Central HospitalAffiliated Hospital of Hubei University of Arts and ScienceXiangyangHubei441021China Department of Nephrology Center of Nephrology and UrologySun Yat-sen University Seventh HospitalShenzhenGuangdong518107China Department of Biomedical Science Shenzhen Research InstituteCity University of Hong KongKowloon TongHong KongChina Department of Rehabilitation Medicine Xiangzhou District People’s HospitalXiangyangHubei441000China Department of Rehabilitation Medicine Gucheng People’s HospitalAffiliated Gucheng Hospital of Hubei University of Arts and ScienceXiangyangHubei441700China Division of Quality Control Xiangyang Central Blood StationXiangyangHubei441000China Department of Respiratory and Critical Care Medicine Xiangyang Central HospitalAffiliated Hospital of Hubei University of Arts and ScienceXiangyangHubei441021China Department of Pathology Mount Sinai St.Luke’s Roosevelt Hospital CenterNew YorkNY10025USA Department of Oncology Peking University Shenzhen HospitalShenzhenGuangdong518036China Department of Dermatology Sun Yat-sen University Seventh HospitalShenzhenGuangdong518107China Division of Research and Development US Department of Veterans Affairs New York Harbor Healthcare SystemBrooklynNY11209USA Department of Cell Biology State University of New York Downstate Health Sciences UniversityBrooklynNY11203USA

The long-term immunity and functional recovery after SARS-CoV-2 infection have implications in preventive measures and patient quality of *** we analyzed a prospective cohort of 121 recovered COVID-19 patients from Xiangyang,China at 1-year after *** them,chemiluminescence immunoassay-based screening showed 99%(95%CI,98–100%)seroprevalence 10–12 months after infection,comparing to 0.8%(95%CI,0.7–0.9%)in the general *** anti-receptor-binding domain(RBD)antibodies remained stable since discharge,while anti-RBD IgG and neutralization levels decreased over time.A predictive model estimates 17%(95%CI,11–24%)and 87%(95%CI,80–92%)participants were still 50%protected against detectable and severe re-infection of WT SARS-CoV-2,respectively,while neutralization levels against B.1.1.7 and B.1.351 variants were significantly *** non-severe patients showed normal chest CT and 21%reported COVID-19-related *** contrast,53%severe patients had abnormal chest CT,decreased pulmonary function or cardiac involvement and 79%were still *** findings suggest long-lasting immune protection after SARS-CoV-2 infection,while also highlight the risk of immune evasive variants and long-term consequences for COVID-19 survivors.

关键词： immunity patients infection

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