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Reservoir-induced landslides and risk control in Three Gorges Project on Yangtze River,China

Journal of Rock Mechanics and Geotechnical engineering 2016年第5期8卷 577-595页

作者： Yueping Yin Bolin Huang Wenpei Wang Yunjie Wei Xiaohan Ma Fei Ma Changjun Zhao China Institute of Geo-Environment Monitoring China Geological SurveyBeijing100081China Wuhan center of China Geological Survey Wuhan430205China Department of Land and Resources of Hubei Province Wuhan430071China Department of Land and Resources of Chongqing Chongqing400015China Changjiang Institute of Survey PlanningDesign and Research Co.Ltd.Wuhan430010China

The Three Gorges region in China was basically a geohazard-prone area prior to construction of the Three Gorges Reservoir （TGR）. After construction of the TGR, the water level was raised from 70 m to 175 m above sea level （ASL）, and annual reservoir regulation has caused a 30-m water level difference after impoundment of the TGR since September 2008. This paper first presents the spatiotemporal distribution of landslides in six periods of 175 m ASL trial impoundments from 2008 to 2014. The results show that the number of landslides sharply decreased from 273 at the initial stage to less than ten at the second stage of impoundment. Based on this, the reservoir-induced landslides in the TGR region can be roughly classified into five failure patterns, i.e. accumulation landslide, dip-slope landslide, reversed bedding landslide, rockfall, and karst breccia landslide. The accumulation landslides and dip-slope landslides account for more than 90%. Taking the Shuping accumulation landslide （a sliding mass volume of 20.7 × 106 m^3） in Zigui County and the Outang dip-slope landslide （a sliding mass volume of about 90 × 106 m^3） in Fengjie County as two typical cases, the mechanisms of reactivation of the two landslides are analyzed. The monitoring data and factor of safety （FOS） calculation show that the accumulation landslide is dominated by water level variation in the reservoir as most part of the mass body is under 175 m ASL, and the dip-slope landslide is controlled by the coupling effect of reservoir water level variation and precipitation as an extensive recharge area of rainfall from the rear and the front mass is below 175 m ASL. The characteristics of landslide-induced impulsive wave hazards after and before reservoir impoundment are studied, and the probability of occurrence of a landslide-induced impulsive wave hazard has increased in the reservoir region. Simulation results of the Ganjingzi landslide in Wushan County indicate the strong relationship between land

关键词： Three Gorges Reservoir (TGR) Reservoir-induced landslide Reactivation mechanism Impulsive wave generated by landslide Water level variation Risk control

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Near-Infrared-Excitable Organic Ultralong Phosphorescence through Multiphoton Absorption

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research 2020年第1期2020卷 474-485页

作者： Ye Tao Lele Tang Qi Wei Jibiao Jin Wenbo Hu Runfeng Chen Qingqing Yang Huanhuan Li Ping Li Guichuan Xing Quli Fan Chao Zheng Wei Huang Key Laboratory for Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts&Telecommunications9 Wenyuan RoadNanjing 210023China Joint Key Laboratory of the Ministry of Education Institute of Applied Physics and Materials EngineeringUniversity of MacaoAvenida da UniversidadeTaipaMacao 999078China Frontiers Science center for Flexible Electronics(FSCFE) MIIT Key Laboratory of Flexible Electronics(KLoFE)Shaanxi Key Laboratory of Flexible ElectronicsXi’an Key Laboratory of Flexible ElectronicsXi’an Key Laboratory of Biomedical Materials&EngineeringXi’an Institute of Flexible ElectronicsInstitute of Flexible Electronics(IFE)Northwestern Polytechnical UniversityXi’an710072 ShaanxiChina

Organic ultralong room-temperature phosphorescence(OURTP)with a long-lived triplet excited state up to several seconds has triggered widespread research interests,but most OURTP materials are excited by only ultraviolet(UV)or blue light owing to their unique stabilized triplet-and solid-state emission ***,we demonstrate that near-infrared-(NIR-)excitable OURTP molecules can be rationally designed by implanting intra/intermolecular charge transfer(CT)characteristics into Haggregation to stimulate the efficient nonlinear multiphoton absorption(MPA).The resultant upconverted MPA-OURTP show ultralong lifetimes over 0.42 s and a phosphorescence quantum yield of~37%under both UV and NIR light *** by the extraordinary MPA-OURTP,novel applications including two-photon bioimaging,visual laser power detection and excitation,and lifetime multiplexing encryption devices were successfully *** discoveries illustrate not only a delicate design map for the construction of NIR-excitable OURTP materials but also insightful guidance for exploring OURTP-based nonlinear optoelectronic properties and applications.

关键词： excited photon Infrared

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Overview of research on Zhuangyi in Treating Gynecological Pain

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Proceedings of Anticancer research 2020年第4期4卷 32-37页

作者： Jingqin Chen Zhiyong Cao Gang Fang Guangxi Zhuangyao Medicine center of engineering and technology Guangxi University of Chinese MedicineNanning 530200China

Pain Syndrome is a kind of unpleasant subjective feeling caused by poor Qi and blood circulation for many factors inside and outside the body or physical examination found abnormal signs,which is widely scattered in clinical *** recent years,Zhuangyi has made much progress in the treatment of gynecological pain diseases,and its curative effect has unique advantages,especially for gynecological diseases such as dysmenorrhea,pelvic inflammatory disease and mammary gland hyperplasia,for the treatment of gynecological diseases of pain,bruising has a significant *** characteristic therapy of Zhuangyi has various kinds with obvious characteristics,safe operation,remarkable effect and wide application prospect.

关键词： Zhuangyi Gynecological Pain Leucorrhea pain Mastopathy pain Menstrual pain Puerperal disease pain

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Dual-reaction-center catalytic process continues Fenton's story

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Frontiers of Environmental Science & engineering 2020年第5期14卷 65-73页

作者： Chao Lu Kanglan Deng Chun Hu Lai Lyu Institute of Environmental research at Greater Bay Area Key Laboratory for Water Quality and Conservation of the Pearl River Delta(Ministry of Education)Guangzhou UniversityGuangzhou 510006China

Triggered by global water quality safety issues,the research on wastewater treatment and water purification technology has been greatly developed in recent *** Fenton technology is particularly powerful due to the rapid attack on pollutants by the generated hydroxyl radicals(·OH).However,both heterogeneous and homogeneous Fenton/Fenton-like technologies follow the classical reaction mechanism,which depends on the oxidation and reduction of the transition metal ions at single *** even after a century of development,this reaction still suffers from its inherent bottlenecks in practical *** recent years,our group has been focusing on studying a novel heterogeneous Fenton catalytic process,and we developed the dual-reaction-center(DRC)system for the first *** the DRC system,H2O2 and O2 can be efficiently reduced to reactive oxygen species(ROS)in electron-rich centers,while pollutants are captured and oxidized by the electron-deficient *** obtained electrons from pollutants are diverted to the electron-rich centers through bonding *** process breaks through the classic Fenton mechanism,and improves the performance and efficiency of pollutant removal in a wide pH ***,we provide a brief overview of Fenton's story and focus on combing the discovery and development of the DRC technology and mechanism in recent *** construction of the DRC and its performance in the pollutant degradation and interfacial reaction process are described in *** look forward to bringing a new perspective to continue Fenton's story through research and development of DRC technology.

关键词： Dual reaction centers Fenton Pollutant utilization Electron transfer

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Investigating the role of emissions trading policy to reduce emissions and improve the efficiency of industrial green innovation

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Journal of Management Science and engineering 2021年第4期6卷 377-392页

作者： Jingxiao Zhang Xinran Sun Hui Li Simon Patrick Philbin Pablo Ballesteros-Peerez Martin Skitmore Han Lin School of Economics and Management Chang'an UniversityXi'an710061China Antai College Economics-Management Shanghai Jiao Tong UniversityShanghai200030China School of Civil engineering Chang'an UniversityXi'an710061China Nathu Puri Institute for engineering and Enterprise London South Bank UniversityLondonUnited Kingdom Project Management Innovation and Sustainability Research Centre(PRINS)Universitat Politecnica de ValenciaCamino de Vera s/n46022 ValenciaSpain Faculty of Society&Design 3_2_11Bond UniversityUniversity DriveRobinaQ4229Australia School of Information engineering Nanjing Audit UniversityNanjing211815China

Rapid economic development usually leads to serious environmental pollution *** order to solve the problem of pollutant emission in sustainable industrial development,it is urgent to examine the implementation effect of emissions trading policy(ETP)and its impact on green industrial *** study adopts China's ETP as a case study and selects provincial panel data from 2004 to *** first use a non-radial,non-directed,slack-based measure-directional distance function(SBM-DDF)to measure industrial green innovation *** we use a difference in differences(DID)model to empirically test the emissions reduction effect of China's policy and whether it promotes industrial green ***,results show that:(1)the ETP reduces sulfur dioxide(SO2)emissions indicating the effectiveness of the policy;(2)the policy significantly improves industrial green innovation efficiency,meaning it promotes the sustainable development of the economy;(3)heterogeneity analysis highlights that ETP produces greater benefits for the most polluted regions of China which have more strict environmental *** study examines the effect of emissions trading policy implementation from a new *** study also provides a reference point for China to further refine its policy mechanisms and for other countries to formulate suitable ETP.

关键词： Emissions trading policy Emission reduction Industrial green innovation efficiency Difference in differences

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Realization of Autonomous Mapping and Path Planning in a Lower Limb Rehabilitation Robot Moving Platform

Realization of Autonomous Mapping and Path Planning in a Low...

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作者： Shi-wen TONG Yong-jie MA Ying-gang KE Shi-bo FU Guang CHENG Beijing Key Laboratory of Information Service engineering Beijing Union University College of Robotics Beijing Union University College of Mechanical and Electrical engineering Beijing University of Chemical Technology College of Urban Rail Transit and Logistics Beijing Union University

Map construction is a key technique for the indoor navigation and positioning, which is widely used in the robot mobile platform. This paper has designed and realized an autonomous mapping and path planning method for the lower limb rehabilitation robot moving platform. The method is completed by a Python program and functional packages in ROS. Simulations in Gazebo environment are carried out and the experiments oriented to the real scenarios are also presented. It is proved that the proposed method is very effective.

关键词： Lower limb rehabilitation robot Mobile platform Autonomous mapping ROS Gazebo

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The Giant Radio Array for Neutrino Detection(GRAND):Science and design

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Science China(Physics,Mechanics & Astronomy) 2020年第1期Mechanics & Astronomy) .卷 5-47页

作者： Jaime álvarez-Mu?iz Rafael Alves Batista Aswathi Balagopal V. Julien Bolmont Mauricio Bustamante Washington Carvalho Jr. Didier Charrier Isma?l Cognard Valentin Decoene Peter B.Denton Sijbrand De Jong Krijn D.De Vries Ralph Engel Ke Fang Chad Finley Stefano Gabici Quan Bu Gou Jun Hua Gu Claire Guépin Hong Bo Hu Yan Huang Kumiko Kotera Sandra Le Coz Jean-Philippe Lenain Guo Liang Léü Olivier Martineau-Huynh Miguel Mostafá Fabrice Mottez Kohta Murase Valentin Niess Foteini Oikonomou Tanguy Pierog Xiang Li Qian Bo Qin Duan Ran Nicolas Renault-Tinacci Markus Roth Frank G.Schr ?der Fabian Schüssler Cyril Tasse Charles Timmerman Matías Tueros Xiang Ping Wu Philippe Zarka Andreas Zech B.Theodore Zhang Jian Li Zhang Yi Zhang Qian Zheng Anne Zilles Departamento de Física de Partículas & Instituto Galego de Física de Altas Enerxías Universidad de Santiago de Compostela Instituto de Astronomia Geofísica e Ciências Atmosféricas Universidade de S?o Paulo Department of Physics—Astrophysics University of Oxford DWB Institute of Experimental Particle Physics (ETP) Karlsruhe Institute of Technology (KIT) Laboratoire de Physique Nucléeaire et de Hautes Energies (LPNHE) Sorbonne Université Université Paris Diderot Sorbonne Paris Cité Niels Bohr International Academy and DARK Niels Bohr Institute Discovery center Niels Bohr Institute center for Cosmology and Astro Particle Physics (CCAPP) & Department of Physics Ohio State University Universidade de Santiago de Compostela SUBATECH Institut Mines-Telecom Atlantique – CNRS/IN2P3 – Université de Nantes Laboratoire de Physique et Chimie de l’Environnement et de l’Espace LPC2E CNRS-Université d’Orléans Station de Radioastronomie de Nan?cay Observatoire de Paris Sorbonne Université UMR 7095 Institut d’Astrophysique de Paris Institute for Mathematics Astrophysics and Particle Physics (IMAPP) Radboud Universiteit Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF) IIHE/ELEM Vrije Universiteit Brussel Institute for Nuclear Physics (IKP) Karlsruhe Institute of Technology (KIT) Einstein Fellow Stanford University Department of Astronomy University of Maryland Joint Space-Science Institute Oskar Klein Centre Stockholm University Department of Physics Stockholm University Astro Particule et Cosmologie (APC) Université Paris Diderot CNRS/IN2P3 CEA/Irfu Observatoire de Paris Institute of high Energy Physics Chinese Academy of Sciences national Astronomical Observatories Chinese Academy of Sciences School of Physical Science and technology Xinjiang University center for Particle and Gravitational Astrophysics Pennsylvania State University Department of Physics Pennsylvania State University Department of Astronomy & Astrophysics Pennsylvania State University LUTH Observatoire de Paris

The Giant Radio Array for Neutrino Detection（GRAND） is a planned large-scale observatory of ultra-high-energy（UHE） cosmic particles, with energies exceeding 10～8 Ge V. Its goal is to solve the long-standing mystery of the origin of UHE cosmic rays. To do this, GRAND will detect an unprecedented number of UHE cosmic rays and search for the undiscovered UHE neutrinos and gamma rays associated to them with unmatched sensitivity. GRAND will use large arrays of antennas to detect the radio emission coming from extensive air showers initiated by UHE particles in the atmosphere. Its design is modular: 20 separate, independent sub-arrays, each of 10000 radio antennas deployed over 10000 km2. A staged construction plan will validate key detection techniques while achieving important science goals early. Here we present the science goals, detection strategy, preliminary design, performance goals, and construction plans for GRAND.

关键词： radio telescopes neutrinos in astronomical observations cosmic rays in astronomical observations radiowave radiation: sources galactic and extragalactic cosmic rays

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Donkey pericardium as a select sourcing to manufacture percutaneous heart valves:Decellularization has not yet demonstrated any clear cut advantage to glutaraldehyde treatment

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Medicine in Novel technology and Devices 2019年第4期4卷 38-46页

作者： Aisa Rassoli Yiming Li Xianhao Bao Fabien Kawecki Xinzhe Zhao Daniel Chappard Gaetan Le-Bel Jiaxuan Feng Benedikt Weber Nasser Fatouraee Ze Zhang Zaiping Jing Lucie Germain Lu Wang Robert Guidoin Department of Surgery Faculty of MedicineUniversite Laval and Regenerative Medicine AxisCHU de Quebec Research CenterQuebecCanada Department of Biomedical engineering Amirkabir University of TechnologyTehranIran Departnent of Vascular Surgery Changhai Hospital of Naval Military Medical UniversityShanghaiChina Key Laboratory of Textile Sciences and technology Ministry of EducationColle of TextilesDonghua UniversityShanghaiChina GEROM Institut de Biologie en SanteCHU D'AngersAngersFrance Department of Dermatology Medical University of ViennaViennaAustria

Background:The donkey pericardium is considered a good candidate to manufacture percutaneous heart valves based upon its thinness,low cellularity and undulating collagen bundles and *** represents an avenue worth exploring,should its superiority to glutaraldehyde-treated pericardium be *** and methods:Donkey pericardium was divided into two groups:regular glutaraldehyde fixation and mild *** treated pericardia were observed using scanning electron microscopy,histology and transmission electron *** tests were performed along the axial and perpendicular directions,with the data fitted into both the Gasser–Ogden–Holzapfel(GOH)material model and the Fung’s anisotropic ***:The microstructures of the pericardia processed by the two protocols were similar,showing collagen bundles and laminates free of *** decellularization eliminated most of the cells,however leaving the structure somehow *** collagen filaments in bundles were slightly *** anisotropy rates of the non-decellularized specimens were almost identical to the decellularized *** decellularized pericardium appeared ***:The decellularization proved to be ***,it makes the tissue stiffer,which may lead to higher shear concentration during cardiac cycles and reduce its wavy ***,it appears premature to select decellularized donkey pericardium to manufacture heart valves.

关键词： Donkey pericardium Decellularization Valve leaflet Transcatheter aortic valve implantation Wavy microstructure

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Correlation Analysis and Principal Component Analysis of Eight Agronomic Traits of Autumn Broad Beans (Vicia faba L.)

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Agricultural Biotechnology 2019年第6期8卷 23-26页

作者： Li LI Zhenghuang WAN Changyan LIU Liangjun LIU Hongwei CHEN Institute of Food Crops Hubei Academy of Agricultural Sciences/Hubei Coarse Cereals Engineering Research Center

[Objectives] This study was conducted to give play to the yield-increasing potential of new broad bean varieties. [Methods] The correlation analysis and principal component analysis of eight main agronomic traits of 15 autumn-sown broad bean varieties in 2017-2018 were carried out. [Results] There were extremely complicated correlations between the agronomic traits. Among the various agronomic traits, the number of pods per plant showed a significant negative correlation from the number of seeds per pod(Phighest, which was 40.18%. The contribution rates of the second principal component and the third principal component to the total variance were 24.08% and 13.55%, respectively. The score equations of the principal components were derived. [Conclusions] This study provides a theoretical reference for the application and promotion of new varieties of autumn broad beans.

关键词： Vicia faba L. Agronomic trait Correlation analysis Principal component analysis

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基于BQ指标的深埋铁路隧道支护压力评估方法

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Journal of Central South University 2021年第1期28卷 247-263页

作者：王明年王志龙童建军张霄董宇苍刘大刚 Key Laboratory of Transportation Tunnel engineering of Ministry of Education Southwest Jiaotong UniversityChengdu 610031China School of Civil engineering Southwest Jiaotong UniversityChengdu 610031China

支护压力的评估对于支护结构系统的设计及隧道施工的安全至关重要。目前,有较多基于不同岩体分类系统的支护压力评估方法,例如Q系统,GSI系统和RMR系统等。但各种岩体分类系统都是基于不同地区的隧道地质条件建立起来的。因此,每种岩体... 详细信息

支护压力的评估对于支护结构系统的设计及隧道施工的安全至关重要。目前,有较多基于不同岩体分类系统的支护压力评估方法,例如Q系统,GSI系统和RMR系统等。但各种岩体分类系统都是基于不同地区的隧道地质条件建立起来的。因此,每种岩体分类系统都具有一定的区域性。自BQ-Inex(BQ系统)出现以来,在中国岩石工程领域得到了广泛的应用。但是中国仍然没有以BQ指数为参数的支护压力评估方法。本文基于中国54条铁路隧道的现场试验数据,采用多元非线性回归分析方法,考虑隧道跨度和围岩重度,提出了一种基于BQ指标的支护压力经验评估方法。然后,通过与国际上广泛使用的RMR系统,Q系统和GSI系统的支护压力评估方法的比较和分析,阐述了建立以BQ指标为参数的支护压力评估方法对保证中国隧道施工安全的意义和必要性。最后,将基于BQ指标的支护压力经验估算方法应用于中国高速铁路隧道-郑万高铁支护系统设计中,并通过实测数据验证了该方法的合理性。

关键词：岩体分级支护压力深埋隧道现场测试多元非线性回归 BQ指标

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