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Seismogenic Structure of the 1605 Qiongshan M7½ Earthquake and Its Holocene Activity History in Northern Hainan Island, China: Evidence from Cross-Section Drilling and Shallow Seismic Profile

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Journal of Earth Science 2024年第3期35卷 905-917页

作者： Chaoqun Wang Liyun Jia Daogong Hu Shibiao Bai Zhengwang Hu Dongxia Sun Xiaoxiao Yang Lei Zhang xiumin ma Institute of Geomechanics Chinese Academy of Geological SciencesBeijing 100081China Key Laboratory of Active Tectonics and Geological Safety Ministry of Natural ResourcesBeijing 100081China Key Laboratory of Geohazard Prevention of Hilly Mountains Ministry of Land and Resources(Fujian Key Laboratory of Geohazard Prevention)Fuzhou 350002China Observation and Research Station of Crustal Stress and Strain in Beijing Ministry of Natural ResourcesBeijing 100081China College of marine Science and Engineering Nanjing Normal UniversityNanjing 210023China Hubei Subsurface Multi-Scale Imaging Key Laboratory School of Geophysics and GeomaticsChina University of GeosciencesWuhan 430074China

The 1605 M7½ Earthquake is the only earthquake in the history of China that has caused large-scale land subsidence into the sea,with the total area of land subsidence exceeding 100 *** disaster has led to the sinking of 72 *** is still no clear understanding of the source seismogenic fault of this *** this work,we conducted a detailed study of the middle segment of the maniao-Puqian fault(MPF),which is the epicenter area,through geomorphological survey,data collection,shallow seismic exploration,cross-section drilling,and chronological *** results showed that the middle segment of the MPF zone is composed of three nearly parallel normal faults with a dextral strike-slip:“macun-Luodou fault(F2-1),Haixiu-Dongyuan fault(F2-2),and ChangliuZhuxihe fault(F2-3)”.And F2-2 is composed of two secondary faults,namely F2-2′and F2-2″,with a flower-shaped structure buried under the *** is distributed nearly east-west,dipping to the north and has experienced at least five stages of activities since the *** vertical activity rates of F2-2′and F2-2″are~2.32 and~2.5 mm/a,since the Holocene,*** were eight cycles of transgression and regression since the *** fault activity resulted in the thickening of the Holocene strata with a slight dip to the south,on the hanging wall,showing V-shaped *** MPF is likely the source seismogenic fault of the M7½ earthquake that hit Qiongshan in 1605.

关键词： seismogenic structure earthquakes maniao-Puqian fault fault activity history geomorphology.

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Process Analysis of In-situ Strain during the M_s8.0 Wenchuan Earthquake—Data from the Stress Monitoring Station at Shandan

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Acta Geologica Sinica(English Edition) 2009年第4期83卷 754-766页

作者： PENG Hua ma xiumin JIANG Jingjie Key Lab of Neotectonic Movement and Geohazards Ministry of Land and Resources Beijing 100081 China Institute of Geomechanics Chinese Academy of Geological Sciences Beijing 100081 China

There were huge life and property losses during the Ms8.0 Wenchuan earthquake on may 12, 2008. Strain fluctuation curves were completely recorded at stress observatory stations in the Qinghai-Tibet plateau and its surroundings in the process of the earthquake. This paper introduces the geological background of the Wenchuan earthquake and the profile of in-situ stress monitoring stations. In particular, data of 174 earthquakes （Ms4.0-Ms8.5） were processed and analyzed with various methods, which were recorded at the Shandan station from August 2007 to December 2008. The results were compared with other seismic data, and further analyses were done for the recoded strain seismic waves, co-seismic strain stepovers, pre-earthquake strain valleys, Earth＇s free oscillations before and after the earthquake and their physical implications. During the Wenchuan earthquake, the strainmeter recorded a huge extensional strain of 70 seconds, which shows that the Wenchuan earthquake is a rupture process predominated by thrusting. Significant precursory strain anomalies were detected 48 hours, 30 hours, 8 hours and 37 minutes before the earthquake. The anomalies are very high and their forms are very similar to that of the main shock. Similar anomalies can also be found in strain curves of other shocks greater than Ms7.0, indicating that such anomalies are prevalent before a great earthquake. In this paper, it is shown that medium aftershocks （Ms5.5- 6.0） can also cause Earth＇s free oscillations. Study of free oscillations is of great significance to understand the internal structure of the Earth and focal mechanisms of earthquakes and to recognize slow shocks, thus providing a scientific basis for the prevention and treatment of geological disasters and the prediction of future earthquakes.

关键词： Wenchuan earthquake volume strainmeter Earth's free oscillation in-situ stress

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The Energy Transformation and Efficiency of the may 12,2008 Ms 8.0 Wenchuan Earthquake

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Acta Geologica Sinica(English Edition) 2015年第2期89卷 679-680页

作者： LI Zhen ma xiumin PENG Hua JIANG Jingjie Key Lab of Geotectonic Movement and Geohazards Ministry of Land and Resources Institute of Geomechanics Chinese Academy of Geological Sciences

The energy transformation and efficiency is now a hot topic among researches of scientific drilling into fault zones （Tanaka et al., 2006; ma et al., 2006）. This study conducted temperature measurements and fault gouge particle analysis of borehole WFSD-1 from the Wenchuan Earthquake Fault Science Drilling Project （WFSD）, and discussed the earthquake energy budget. The research progress is illuminated as follows.

关键词： The Energy Transformation and Efficiency of the may 12 2008 Ms 8.0 Wenchuan Earthquake

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Enhanced photoelectrochemical cathodic protection performance of MoS_(2)/TiO_(2)nanocomposites for 304 stainless steel under visible light

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Journal of materials Science & Technology 2021年第5期64卷 21-28页

作者： xiumin ma Zheng ma Dongzhu Lu Quantong Jiang Leilei Li Tong Liao Baorong Hou CAS Key Laboratory of marine Environmental Corrosion and Bio-fouling Institute of OceanologyChinese Academy of ScienceQingdao266071China Institute of marine Science and Technology Shandong UniversityQingdao266237China Open Studio for marine Corrosion and Protection Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao266237China Center for Ocean Mega-Science Chinese Academy of SciencesQingdao266071China

In this work,TiO_(2)nanotube arrays(NTAs)sensitized with MoS_(2)microspheres(MoS_(2)/TiO_(2)nanocomposites)were prepared on a flat Ti substrate via two-step anodization and hydrothermal method ***_(2)NTAs were composed of many orderly nanotubes,whose large specific surface area was favorable for light absorption and MoS_(2)microsphere *** MoS_(2)microsphere as a narrow band gap semiconductor extended the TiO_(2)NTAs’absorption band edge to the visible *** 2D structure of MoS_(2)microspheres and the construction of heterojunction electronic field at the interface of MoS_(2)microspheres and TiO_(2)NTAs promoted the separation of photoinduced *** MoS_(2)/TiO_(2)nanocomposites could provide higher photoelectrochemical cathodic protection for 304 stainless steel(304 SS)under visible light than pristine TiO_(2)NTAs.

关键词： Anti-corrosion TiO_(2)nanotube array MoS_(2)microspheres Photoelectrochemical cathodic protection Visible light

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In-situ Stress Measurements in the WFSD-1 Borehole at the Wenchuan Earthquake Fault

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Acta Geologica Sinica(English Edition) 2015年第3期89卷 1049-1050页

作者： PENG Hua ma xiumin JIANG Jingjie LI Zhen Key Lab of Neotectonic Movement and Geohazards Ministry of Land and Resources Institute of Geomechanics Chinese Academy of Geological Sciences

This study, supported by the Science and Technology Project of China （grant no. WFSD-00003）, focuses on the in-situ stress measurements in the WFSD-I borehole and has achieved considerable progress. Stress is defined as the natural stress existing between rocks in the Earth＇s crust, and in-situ stress measurements are the main methods used to obtain records of the stress state. The Wenchuan Fault Scientific Drilling （WFSD） project used differential strain analysis （DSA） to confirm in-situ stress measurements.

关键词： MPa than line

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TREM2通过调控巨噬细胞极化在肺结核病中的作用及分子机制研究

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中国病原生物学杂志 2024年第4期19卷 405-410页

作者：乃菲沙·买买提尚晓倩范佳惠王亮史宁马玉玉米叶沙尔·安尼瓦尔李佳峻王晶马秀敏新疆医科大学附属肿瘤医院医学检验中心省部共建中亚高发病成因与防治国家重点实验室新疆乌鲁木齐830011 新疆医科大学第五附属医院新疆医科大学第一附属医院海南医科大学第二附属医院

目的探讨肺结核患者肺病灶组织中髓系细胞触发受体2(TREM2)的表达水平,以及与巨噬细胞极化相关标志物的相关性。方法通过苏木素-伊红(H&E)染色评估病理炎症表现,采用免疫组织化学方法检测肺组织中CD68+巨噬细胞和M1/M2巨噬细胞特异性分... 详细信息

目的探讨肺结核患者肺病灶组织中髓系细胞触发受体2(TREM2)的表达水平,以及与巨噬细胞极化相关标志物的相关性。方法通过苏木素-伊红(H&E)染色评估病理炎症表现,采用免疫组织化学方法检测肺组织中CD68+巨噬细胞和M1/M2巨噬细胞特异性分子及TREM2的表达定位情况,采用酶联免疫吸附试验(ELISA)和实时荧光定量PCR(qRT-PCR)检测外周血中M1/M2巨噬细胞相关细胞因子IL-10和IL-12的表达水平,并进一步分析TREM2与M1/M2巨噬细胞特征细胞因子的相关性。结果肺结核患者病灶组织中有明显的朗汉斯巨细胞和结核性肉芽肿。TREM2和巨噬细胞极化相关标志物在肉芽肿周围的表达均显著增加,且TREM2和M2巨噬细胞标志物CD163的表达定位一致。肺结核患者外周血中TREM2、IL-10和IL-12的mRNA表达水平以及IL-10、IL-12的表达量显著高于对照组。相关性分析表明TREM2与M2巨噬细胞相关细胞因子IL-10呈显著正相关。结论TREM2与M2巨噬细胞特异性细胞因子呈正相关,提示TREM2可能介导巨噬细胞向M2极化在肺结核的发生发展过程中发挥关键作用。

关键词：肺结核 TREM2 巨噬细胞分子机制

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Anisotropy of the crystallographic orientation and corrosion performance of high-strength AZ80 Mg alloy

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Journal of magnesium and Alloys 2015年第4期3卷 309-314页

作者： Quantong Jiang xiumin ma Kui Zhang Yantao Li Xinggang Li Yongjun Li Minglong ma Baorong Hou marine Corrosion and Protection Centre Institute of OceanologyChinese Academy of SciencesNo.7 Nanhai RoadQingdao 266071China State Key Lab for Non-ferrous Metals and Process General Research Institute for Non-Ferrous MetalsBeijing 100088China

A high-strength AZ80 Mg alloy was prepared through multi-direction forging,thermal extrusion,and peak-aged heat *** microstructure,crystallographic orientation and corrosion performance of extrusion-direction,transverse-direction,and normal-direction specimens were investigated using scanning electron microscopy,electron backscatter diffraction,and atomic force microscopy,*** results showed that crystallographic orientation significantly influenced the corrosion performance of AZ80 Mg *** rates largely increased with decreased(0001)crystallographic plane intensity,whereas the(10−10)and(2−1−10)crystallographic plane intensities *** study showed that the corrosion rates of alloy can be modified to some extent by controlling texture,thereby promoting the applications of high-strength AZ80 Mg alloys in the aerospace and national-defense fields.

关键词： High-strength AZ80 Mg alloy Anisotropy Wrought Crystallographic orientation Corrosion performance Surface energy

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Fluid-Injection-Induced Seismicity Experiment of the WFSD-3P Borehole

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Acta Geologica Sinica(English Edition) 2015年第3期89卷 1057-1058页

作者： ma xiumin LI Zhen PENG Hua JIANG Jingjie ZHAO Fang HAN Chaopu YUAN Pengxiang LU Shengzhou PENG Liguo Key Lab of Neotectonic Movement and Geohazards Ministry of Land and Resources Institute of Geomechanics Chinese Academy of Geological Sciences China University of Petroleum

In recent years, the fluid-injection-induced seismicity tests within the WFSD-3P borehole belonging to the Wenchuan Earthquake Fault Science Drilling （WFSD） project, have made remarkable progress. This study has bee... 详细信息

关键词： Fluid-Injection-Induced Seismicity Experiment of the WFSD-3P Borehole

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肝细胞癌和动脉粥样硬化共表达基因的筛选和验证

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新疆医科大学学报 2024年第3期47卷 301-307页

作者：马玉玉张丽王炫峥乃菲沙·买买提米叶沙尔·安尼娃尔马秀敏新疆医科大学第三临床医学院/附属肿瘤医院乌鲁木齐830011 新疆医科大学第一附属医院检验科乌鲁木齐830011

目的通过生物信息学分析鉴定肝细胞癌(Hepatocellular carcinoma, HCC)与动脉粥样硬化(Atherosclerosis, AS)的共表达基因。方法下载基因表达数据库(Gene expression omnibus, GEO)中肝细胞癌(GSE84402,GSE25097)和动脉粥样硬化(GSE28829,GSE100927)的数据集。使用R软件加权基因共表达网络分析(Weighted gene co-expression networkanalysis, WGCNA)分析GSE84402和GSE28829数据集中共表达基因,Limma鉴定GSE25097和GSE100927数据集中差异表达基因(Differential gene express, DEGs),使用Venny识别WGCNA与差异基因的共表达基因并使用clusterProfiler进行、基因本体(Gene ontology, GO)分析和基因组百科全书(Kyoto encyclopedia of genes and genomes,KEGG)分析。对WGCNA和差异基因的共表达基因进行qPCR,免疫组织化学技术(Immunohistochemistry, IHC),免疫荧光共定位(Immunofluorescence, IF)等实验验证。结果 WGCNA分析共识别227个共表达基因,差异基因表达分析共识别5个共表达基因,鉴定HIF1A、CASP8、 LEF1、BCAT1、LPL为HCC与AS共表达基因,KEGG分析显示这些基因主要富集在细胞周期和maPK信号通路,在HCC和AS中qPCR、 IHC、免疫荧光共定位(Immunofluorescence, IF)均显示,共表达基因在病灶组织中的表达均高于对照组织(PmaPK信号通路及细胞周期通路在HCC和AS的发生发展中起到关键作用。

关键词：肝细胞癌动脉粥样硬化生物信息学基因表达数据库

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Low tumor infiltrating mast cell density reveals prognostic benefit in cervical cancer

Low tumor infiltrating mast cell density reveals prognostic ...

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第十四届全国免疫学学术大会

作者： Fan Guo Weina Kong xiumin ma Tumor Hospital Affiliated to Xinjiang Medical University

Purposes:Studying the role of mast cells(MCs) in tumor immunity was more ***,our study aims to evaluate the prognostic value of MCs and their correlation with immune microenvironment in cervical cancer(CC).Methods:To address this issue,the study investigated the roles of MCs in *** retrospectively collected patient clinical characteristic data and tissue *** relevant conclusions were further verified in TCGA *** mast cell density(MCD) was measured by immunohistochemical staining of tryptase in CC tissues or CIBERSORT algorithm in TCGA ***:The results showed MCs were diffusely distributed in CC ***,we found that MCD was negatively correlated with overall survival(OS),and MCD was an independent prognostic factor of *** results were also obtained in TCGA data.A nomogram was constructed based on differentiation,LNM and MCD with a C-index of 0.772(95% confidence interval,0.733-0.81 1).In addition,differential expression analysis showed that anti-tumor genes or chemokines were regulated in the low MCD *** infiltration of MCs was negatively correlated with CD8T cells,T regulatory cells(Tregs),T follicular helper ***:MCD may be a potential prognostic marker of *** with low MCD benefits OS,and MCD is identified as an independent prognostic *** may be a target of immunotherapy due to immuneactivation.

关键词： mast cells cervical cancer tumor microenvironment

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