检索结果-内蒙古大学图书馆

RETRACTED: Graphic and haptic simulation for transvaginal cholecystectomy training in NOTES

Journal of Biomedical Informatics 2016年 60卷 410-421页

作者： Jun J. Pan Woojin Ahn Saurabh Dargar Tansel Halic Bai C. Li Ganesh Sankaranarayanan Kurt Roberts Steven Schwaitzberg Suvranu De State Key Laboratory of Virtual Reality Technology and Systems Beihang University Beijing China Center for Modeling Simulation and Imaging in Medicine Rensselaer Polytechnic Institute Troy USA Computer Science Department University of Central Arkansas Conway USA Gastrointestinal Surgery Yale School of Medicine Yale University New Heaven USA Department of Surgery Cambridge Health Alliance Harvard Medical School Boston USA

This article has been retracted: please see Elsevier Policy on Article Withdrawal ( http://***/locate/withdrawalpolicy ). This article has been retracted at the request of the Editor-in-Chief. The Publisher and Editor have been informed that the article was submitted to the journal without the consent of all the coauthors. The coauthor Suvranu De expressed concerns regarding the validity of some of the techniques and data reported in the paper, particularly in Figure 18 and Table 3. In addition, we identified in the article a significant portion of copied text that came from the following publications: Metaballs-based physical modeling and deformation of organs for virtual surgery Junjun Pan, Chengkai Zhao, Xin Zhao, Aimin Hao, Hong Qin The Visual Computer , June 2015, Volume 31, Issue 6, pp 947–957 DOI: 10.1007/s00371-015-1106-y Virtual reality training and assessment in laparoscopic rectum surgery Jun J. Pan, Jian Chang, Xiaosong Yang, Hui Liang, Jian J. Zhang, Tahseen Qureshi, Robert Howell and Tamas Hickish The International Journal of Medical Robotics and Computer Assisted Surgery , Volume 11, Issue 2, pages 194–209 DOI: 10.1002/rcs.1582 As such, this article represents an abuse of the scientific publishing system, which we believe warrants the retraction of the article. The scientific community takes a very strong view on this matter and apologies are offered to the readers of the journal that our processes, which have since been updated, did not adequately verify the assent of the coauthors and their approval of the paper’s content.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Author Correction: The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data

引用

Scientific data 2021年第1期8卷 72页

作者： Gilberto Pastorello Carlo Trotta Eleonora Canfora Housen Chu Danielle Christianson You-Wei Cheah Cristina Poindexter Jiquan Chen Abdelrahman Elbashandy Marty Humphrey Peter Isaac Diego Polidori Markus Reichstein Alessio Ribeca Catharine van Ingen Nicolas Vuichard Leiming Zhang Brian Amiro Christof Ammann M Altaf Arain Jonas Ardö Timothy Arkebauer Stefan K Arndt Nicola Arriga Marc Aubinet Mika Aurela Dennis Baldocchi Alan Barr Eric Beamesderfer Luca Belelli Marchesini Onil Bergeron Jason Beringer Christian Bernhofer Daniel Berveiller Dave Billesbach Thomas Andrew Black Peter D Blanken Gil Bohrer Julia Boike Paul V Bolstad Damien Bonal Jean-Marc Bonnefond David R Bowling Rosvel Bracho Jason Brodeur Christian Brümmer Nina Buchmann Benoit Burban Sean P Burns Pauline Buysse Peter Cale Mauro Cavagna Pierre Cellier Shiping Chen Isaac Chini Torben R Christensen James Cleverly Alessio Collalti Claudia Consalvo Bruce D Cook David Cook Carole Coursolle Edoardo Cremonese Peter S Curtis Ettore D'Andrea Humberto da Rocha Xiaoqin Dai Kenneth J Davis Bruno De Cinti Agnes de Grandcourt Anne De Ligne Raimundo C De Oliveira Nicolas Delpierre Ankur R Desai Carlos Marcelo Di Bella Paul di Tommasi Han Dolman Francisco Domingo Gang Dong Sabina Dore Pierpaolo Duce Eric Dufrêne Allison Dunn Jiří Dušek Derek Eamus Uwe Eichelmann Hatim Abdalla M ElKhidir Werner Eugster Cacilia M Ewenz Brent Ewers Daniela Famulari Silvano Fares Iris Feigenwinter Andrew Feitz Rasmus Fensholt Gianluca Filippa Marc Fischer John Frank Marta Galvagno Mana Gharun Damiano Gianelle Bert Gielen Beniamino Gioli Anatoly Gitelson Ignacio Goded Mathias Goeckede Allen H Goldstein Christopher M Gough Michael L Goulden Alexander Graf Anne Griebel Carsten Gruening Thomas Grünwald Albin Hammerle Shijie Han Xingguo Han Birger Ulf Hansen Chad Hanson Juha Hatakka Yongtao He Markus Hehn Bernard Heinesch Nina Hinko-Najera Lukas Hörtnagl Lindsay Hutley Andreas Ibrom Hiroki Ikawa Marcin Jackowicz-Korczynski Dalibor Janouš Wilma Jans Rachhpal Jassal Shicheng Jiang Tomomichi Kato Myr Computational Research Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA. gzpastorello@lbl.gov. DIBAF University of Tuscia Viterbo 01100 Italy. Euro-Mediterranean Centre on Climate Change Foundation (CMCC) Lecce 73100 Italy. Climate & Ecosystem Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA. Computational Research Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA. Department of Civil Engineering California State University Sacramento CA 95819 USA. Department of Geography Environment and Spatial Sciences Michigan State University East Lansing MI 48823 USA. Department of Computer Science University of Virginia Charlottesville VA 22904 USA. TERN Ecosystem Processes Menzies Creek VIC3159 Australia. Max Planck Institute for Biogeochemistry Jena 07701 Germany. Laboratoire des Sciences du Climat et de l'Environnement (LSCE) CEA CNRS UVSQ UPSACLAY Gif sur Yvette 91190 France. Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China. Department of Soil Science University of Manitoba Winnipeg MB R3T2N2 Canada. Department of Agroecology and Environment Agroscope Research Institute Zürich 8046 Switzerland. School of Geography and Earth Sciences McMaster University L8S4K1 Hamilton ON Canada. Department of Physical Geography and Ecosystem Science Lund University Lund 22362 Sweden. Department of Agronomy and Horticulture University of Nebraska-Lincoln Lincoln NE 68583 USA. School of Ecosystem and Forest Sciences The University of Melbourne Richmond VIC3121 Australia. Department of Biology Research Group PLECO University of Antwerp Antwerp 2610 Belgium. Joint Research Centre European Commission Ispra 21027 Italy. TERRA Teaching and Research Center University of Liege Gembloux B-5030 Belgium. Finnish Meteorological Institute Helsinki 00560 Finland. ES

来源：评论

学校读者我要写书评

暂无评论

The large area detector onboard the eXTP mission

arXiv

引用

arXiv 2018年

作者： Feroci, Marco Ahangarianabhari, Mahdi Ambrosi, Giovanni Ambrosino, Filippo Argan, Andrea Barbera, Marco Bayer, Joerg Bellutti, Pierluigi Bertucci, Bruna Bertuccio, Giuseppe Borghi, Giacomo Bozzo, Enrico Cadeaux, Franck Campana, Riccardo Ceraudo, Francesco Chen, Tianxiang Cirrincione, Daniela De Rosa, Alessandra Del Monte, Ettore Di Cosimo, Sergio Diebold, Sebastian Evangelista, Yuri Fan, Qingmei Favre, Yannick Ficorella, Francesco Fuschino, Fabio Gevin, Olivier Grassi, Marco Hong, Bin Mao, Hanqi Karas, Vladimir Kennedy, Tom Labanti, Claudio Limousin, Olivier Cicero, Ugo Lo Lu, Fang-Jun Luo, Tao Malcovati, Piero Martindale, Adrian Meuris, Aline Michalska, Malgorzata Morbidini, Alfredo Muleri, Fabio Orleanski, Piotr Paltani, Stephane Pan, Teng Perinati, Emanuele Picciotto, Antonino Pohl, Martin Rashevskaia, Irina Santangelo, Andrea Schanne, Stephane Skup, Konrad Svoboda, Jiri Tenzer, Chris Vacchi, Andrea Walton, Dave Winter, Berend Wu, Xin Xu, Yupeng Zampa, Ganluigi Zampa, Nicola Zane, Silvia Zdziarski, Andrzej Zhang, Long Zhang, Shu Zhang, Shuang-Nan Zhang, Wenda Zhang, Xiaoli Zhou, Yupeng Zorzi, Nicola INAF Istituto di Astrofisica e Planetologia Spaziali Via Fosso del Cavaliere 100 Rome00133 Italy INFN Sezione Roma Tor Vergata Via della Ricerca Scientifica Rome00133 Italy Politecnico di Milano Polo di Como Via Anzani 41 Como Italy INFN Sezione di Perugia Via Alessandro Pascoli 23c Perugia06123 Italy Università di Palermo Dipartimento di Fisica e Chmica Via Archirafi 36 Palermo90123 Italy INAF Osservatorio Astronomico di Palermo Piazza del Parlamento 1 Palermo90134 Italy Institut fur Astronomie und Astrophysik Eberhard Karls Universitat Tuebingen72076 Germany Fondazione Bruno Kessler Via Sommarive Povo Trento38123 Italy University of Perugia Dip. Fisica e Geologia P.zza Università Perugia06123 Italy Beijing Institute of Spacecraft System Engineering CAST Beijing10094 China Department of Astronomy University of Geneva Chemin d'Ecogia 16 Versoix1290 Switzerland Department of Nuclear and Particle Physics University of Geneva CH-1211 Switzerland INAF Osservatorio di astrofisica e scienza dello spazio di Bologna Via P. Gobetti 101 Bologna Italy CEA Paris-Saclay DRF/IRFU Gif sur Yvette91191 France Key Laboratory for Particle Astrophysics Institute of High Energy Physics CAS Beijing100049 China University of Udine Via delle Scienze 206 Udine33100 Italy University of Pavia Department of Electrical Computer and Biomedical Engineering Via Ferrata 5 Pavia27100 Italy North Night Vision Technology Co. Ltd Nanjing211106 China Astronomical Institute Czech Academy of Sciences Bocni II 1401 PragueCZ-14100 Czech Republic Mullard Space Science Laboratory UCL Holmbury St Mary Dorking SurreyRH56NT United Kingdom Space Research Centre Department of Physics and Astronomy University of Leicester LeicesterLE17RH United Kingdom Space Research Center Polish Academy of Sciences Bartycka 18a Warszawa00-716 Poland TIFPA Istituto Nazionale di Fisica Nucleare Via Sommarive 14 Povo Trento38123 Italy Nicolaus Copernicus Astronomical Ce

The eXTP (enhanced X-ray Timing and Polarimetry) mission is a major project of the Chinese Academy of sciences (CAS) and China National space Administration (CNSA) currently performing an extended phase A study and proposed for a launch by 2025 in a low-earth orbit. The eXTP scientific payload envisages a suite of instruments (Spectroscopy Focusing Array, Polarimetry Focusing Array, Large Area Detector and Wide Field Monitor) offering unprecedented simultaneous wide-band X-ray spectral, timing and polarimetry sensitivity. A large European consortium is contributing to the eXTP study and it is expected to provide key hardware elements, including a Large Area Detector (LAD). The LAD instrument for eXTP is based on the design originally proposed for the LOFT mission within the ESA context. The eXTP/LAD envisages a deployed 3.4 m2effective area in the 2-30 keV energy range, achieved through the technology of the large-area Silicon Drift Detectors - offering a spectral resolution of up to 200 eV FWHM at 6 keV - and of capillary plate collimators - limiting the field of view to about 1 degree. In this paper we provide an overview of the LAD instrument design, including new elements with respect to the earlier LOFT configuration. Copyright © 2018, The Authors. All rights reserved.

关键词： Polarimeters

来源：评论

学校读者我要写书评

暂无评论

Graphic and haptic simulation for transvaginal cholecystectomy training in NOTES

引用

Journal of Biomedical Informatics 2016年 60卷 410-421页

作者： Pan, Jun J. Ahn, Woojin Dargar, Saurabh Halic, Tansel Li, Bai C. Sankaranarayanan, Ganesh Roberts, Kurt Schwaitzberg, Steven De, Suvranu State Key Laboratory of Virtual Reality Technology and Systems Beihang University Beijing China Center for Modeling Simulation and Imaging in Medicine Rensselaer Polytechnic Institute Troy United States Computer Science Department University of Central Arkansas Conway United States Gastrointestinal Surgery Yale School of Medicine Yale University New Heaven United States Department of Surgery Cambridge Health Alliance Harvard Medical School Boston United States

Background: Natural Orifice Transluminal Endoscopic Surgery (NOTES) provides an emerging surgical technique which usually needs a long learning curve for surgeons. Virtual reality (VR) medical simulators with vision and haptic feedback can usually offer an efficient and cost-effective alternative without risk to the traditional training approaches. Under this motivation, we developed the first virtual reality simulator for transvaginal cholecystectomy in NOTES (VTEST™). Methods: This VR-based surgical simulator aims to simulate the hybrid NOTES of cholecystectomy. We use a 6DOF haptic device and a tracking sensor to construct the core hardware component of simulator. For software, an innovative approach based on the inner-spheres is presented to deform the organs in real time. To handle the frequent collision between soft tissue and surgical instruments, an adaptive collision detection method based on GPU is designed and implemented. To give a realistic visual performance of gallbladder fat tissue removal by cautery hook, a multi-layer hexahedral model is presented to simulate the electric dissection of fat tissue. Results: From the experimental results, trainees can operate in real time with high degree of stability and fidelity. A preliminary study was also performed to evaluate the realism and the usefulness of this hybrid NOTES simulator. Conclusions: This prototyped simulation system has been verified by surgeons through a pilot study. Some items of its visual performance and the utility were rated fairly high by the participants during testing. It exhibits the potential to improve the surgical skills of trainee and effectively shorten their learning curve. © 2016 Elsevier Inc.

关键词： Virtual reality

来源：评论

学校读者我要写书评

暂无评论

26th Annual Computational Neuroscience Meeting (CNS*2017) of the Organization for Computational Neuroscience Antwerp, Belgium, July 15-20, 2017

引用

BMC NEUROscience 2017年第SUPPL 1期18卷 59-59页

作者： [Anonymous] Indiana University Purdue University Indianapolis Indianapolis IN 46032 USA Stark Neurosciences Research Institute Indiana University School of Medicine Indianapolis IN 46032 USA Department of Mathematics East Carolina University Greenville NC 27858 USA Jülich Supercomputing Centre Forschungszentrum Jülich 52425 Jülich Germany Future Systems Swiss National Supercomputing Centre 8092 Zurich Switzerland User Engagement and Support Swiss National Supercomputing Centre 6900 Lugano Switzerland Institut de Neurosciences des Systèmes Aix Marseille Univ 13005 Marseille France Simulation Lab Neuroscience Forschungszentrum Jülich Jülich Germany Department of Experimental Psychology Ghent University 9000 Ghent Belgium Donders Center for Cognitive Neuroimaging Radboud University 6525HR Nijmegen The Netherlands Department of Electrical Computer and Energy Engineering University of Colorado Boulder CO 80309 USA Department of Neurosurgery Johns Hopkins School of Medicine Baltimore MD 21287 USA Department of Neurology Johns Hopkins School of Medicine Baltimore MD 21287 USA Department of Otolaryngology Johns Hopkins School of Medicine Baltimore MD 21287 USA INSERM U968 Paris France Sorbonne Universités UPMC University Paris 06 UMR_S 968 Institut de la Vision Paris France CNRS UMR_7210 Paris France Department of Computer Architecture and Technology University of Granada (CITIC) Granada Spain Sorbonne Universités UPMC Univ Paris 06 INSERM CNRS Institut de la Vision Paris France Department of Adaptive Machine Systems Osaka University Osaka Japan Department of Computer Science University of Cergy-Pontoise Cergy-Pontoise France Department of Physics and Astronomy College of Charleston Charleston SC 29424 USA School of Physics Faculty of Science University of Sydney Sydney NSW 2006 Australia Center of Excellence for Integrative Brain Function Australian Research Council Sydney Australia Max Planck Institute for Human Cognitive and Brain Sciences Saxony Lei

来源：评论

学校读者我要写书评

暂无评论

Product line architecture for TT&C software support framework 27

Product line architecture for TT&C software support framewor...

引用

27th Conference of spacecraft TT and C technology

作者： Wang, Zhilin Li, Xinming Li, Dongdong Beijing Space Information Relay and Transmission Technology Research Center Beijing100094 China Science and Technology on Complex Electronic System Simulation Laboratory Beijing100092 China

ISBN: (纸本)9783662446867

One of the most promising techniques to improve the quality and productivity of TT&C software is product line engineering, the core of which is the product line architecture for TT&C software support framework (PLATSSF) which is of great help to improve the reusability of architectural design. Since component models are cornerstones of support framework design, the characteristics of them including variety, common requirement and variant requirement were firstly analyzed. Then, mainly by analyzing the three stages of TT&C software, which include development deployment and runtime, the structure of PLATSSF is designed. Thirdly, the function of PLATSSF is instantiated by adding a new satellite to the framework. In this instance the software requirements are analyzed and the contents of software development are provided. In conclusion, PLATSSF implements the production of the TT&C software series, reduces the workload of software development and improves the software quality. © Tsinghua University Press, beijing and Springer-Verlag Berlin Heidelberg 2015.

关键词： Software design

来源：评论

学校读者我要写书评

暂无评论

The monitoring of land use and land cover change of Sichuan province and Chengdu district, China

The monitoring of land use and land cover change of Sichuan ...

引用

IEEE International Symposium on Geoscience and Remote Sensing (IGARSS)

作者： Shijie Yu Zezhong Zheng Wunian Yang Mingcang Zhu Yong He Zhenlu Yu Shengli Wang Fu Wang Jiang Li School of Resources and Environment Univ. of Electronic Science and Technology of China Chengdu Sichuan PRC State Key Laboratory of Water Resources and Hydropower Engineering Science Wuhan Univ. Wuhan Hubei PRC Ministry of Land and Resources of the China Chengdu Univ. of Technology Chengdu Sichuan PRC Guangxi Key Laboratory for Spatial Information and Geomatics Guilin Guangxi PRC Land and Resources Department of Sichuan Province Chengdu Sichuan PRC Sichuan Institute of Geo-Environment Monitoring Chengdu Sichuan PRC China National Space Administration Earth Observation System and Data Center Beijing PRC CMA National Satellite Meteorological Center Beijing PRC Dep. of Electrical and Computer Engineering Old Dominion Univ. Norfolk VA USA

Land use and land cover change (LUCC) is necessary to explore the factors leading to heavy drought and rainy-flood disaster in some districts of Sichuan province. A method based RS, GIS, GPS and Google earth (GE) is presented to establish LUCC database in Sichuan province and Chengdu district. At first, LUCC is interpreted based on the new temporal images and the land use and land cover database from TM in ***, some ground objects, which could not be identified in the new temporal images, were interpreted utilizing GE with some higher spatial resolution images. Thirdly, the new interpreted LUCC was validated in the field with GPS handheld receiver. Then, LUCC of Sichuan province was updated. A comparative analysis of LUCC between in Sichuan province and in Chengdu district was conducted and the result showed: (1) a large amount of farmland in Sichuan Province was occupied from 2000 to 2005 and the area is 84 573 ha. While construction land gained obviously and the area was 35 828 ha. The dynamic degree of construction land was 111.10 0 / 00 from 2000 to 2005. The LUCC demonstrated that the economy of Sichuan province continued to develop, the cities were overspreading and the urban heat island effect was deteriorated from 2000 to 2005. (2) A large amount of farmland was also occupied in Chengdu district from 2000 to 2005, the area amounted to 12 989 ha. The farmland lost was mainly changed to construction land, amounting to 93%. And the dynamic degree was 117.41 0 / 00 from 2000 to 2005, which was bigger than that in Sichuan province.

关键词： Spatial resolution Global Positioning system Urban areas Thermal pollution Remote sensing Google Databases

来源：评论

学校读者我要写书评

暂无评论

A global multiproxy database for temperature reconstructions of the Common Era

引用

Scientific Data 2017年第1期4卷 170088-170120页

作者： Emile-Geay, Julien McKay, Nicholas P. Kaufman, Darrell S. Von Gunten, Lucien Wang, Jianghao Anchukaitis, Kevin J. Abram, Nerilie J. Addison, Jason A. Curran, Mark A.J. Evans, Michael N. Henley, Benjamin J. Hao, Zhixin Martrat, Belen McGregor, Helen V. Neukom, Raphael Pederson, Gregory T. Stenni, Barbara Thirumalai, Kaustubh Werner, Johannes P. Xu, Chenxi Divine, Dmitry V. Dixon, Bronwyn C. Gergis, Joelle Mundo, Ignacio A. Nakatsuka, Takeshi Phipps, Steven J. Routson, Cody C. Steig, Eric J. Tierney, Jessica E. Tyler, Jonathan J. Allen, Kathryn J. Bertler, Nancy A.N. Björklund, Jesper Chase, Brian M. Chen, Min-Te Cook, Ed De Jong, Rixt DeLong, Kristine L. Dixon, Daniel A. Ekaykin, Alexey A. Ersek, Vasile Filipsson, Helena L. Francus, Pierre Freund, Mandy B. Frezzotti, Massimo Gaire, Narayan P. Gajewski, Konrad Ge, Quansheng Goosse, Hugues Gornostaeva, Anastasia Grosjean, Martin Horiuchi, Kazuho Hormes, Anne Husum, Katrine Isaksson, Elisabeth Kandasamy, Selvaraj Kawamura, Kenji Kilbourne, K. Halimeda Koç, Nalan Leduc, Guillaume Linderholm, Hans W. Lorrey, Andrew M. Mikhalenko, Vladimir Mortyn, P. Graham Motoyama, Hideaki Moy, Andrew D. Mulvaney, Robert Munz, Philipp M. Nash, David J. Oerter, Hans Opel, Thomas Orsi, Anais J. Ovchinnikov, Dmitriy V. Porter, Trevor J. Roop, Heidi A. Saenger, Casey Sano, Masaki Sauchyn, David Saunders, Krystyna M. Seidenkrantz, Marit-Solveig Severi, Mirko Shao, Xuemei Sicre, Marie-Alexandrine Sigl, Michael Sinclair, Kate St George, Scott St Jacques, Jeannine-Marie Thamban, Meloth Thapa, Udya Kuwar Thomas, Elizabeth R. Turney, Chris Uemura, Ryu Viau, Andre E. Vladimirova, Diana O. Wahl, Eugene R. White, James W.C. Yu, Zicheng Zinke, Jens Department of Earth Sciences Center for Applied Mathematical Sciences University of Southern California Los Angeles 90089 CA United States School of Earth Sciences and Environmental Sustainability Northern Arizona University Flagstaff 86001 AZ United States PAGES International Project Office Bern 3012 Switzerland Mathworks Inc. Natick 01760 MA United States School of Geography and Development Laboratory of Tree Ring Research University of Arizona Tucson 85721 AZ United States Research School of Earth Sciences ARC Centre of Excellence for Climate System Science Australian National University Canberra 2601 ACT Australia U.S. Geological Survey Menlo Park 94025 CA United States Australian Antarctic Division Kingston 7050 TAS Australia Antarctic Climate and Ecosystems CRC University of Tasmania Hobart 7050 TAS Australia Department of Geology and Earth System Science Interdisciplinary Center University of Maryland College Park 20742 MD United States School of Earth Sciences University of Melbourne Melbourne 3010 VIC Australia Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China Department of Environmental Chemistry Institute of Environmental Assessment and Water Research Spanish Council for Scientific Research Barcelona 08034 Spain Department of Earth Sciences University of Cambridge Cambridge CB2 3EQ United Kingdom School of Earth and Environmental Sciences University of Wollongong Wollongong 2522 NSW Australia Oeschger Centre for Climate Change Research Institute of Geography University of Bern Bern 3012 Switzerland U.S. Geological Survey Northern Rocky Mountain Science Center Bozeman 59715 MT United States Department of Environmental Sciences Informatics and Statistics Ca' Foscari University of Venice Venice 30170 Italy Institute for Geophysics Jackson School of Geosciences University of Texas at Austin Austin 78758 TX United States Department for Earth Science Bje

Reproducible climate reconstructions of the Common Era (1 CE to present) are key to placing industrial-era warming into the context of natural climatic variability. Here we present a community-sourced database of temperature-sensitive proxy records from the PAGES2k initiative. The database gathers 692 records from 648 locations, including all continental regions and major ocean basins. The records are from trees, ice, sediment, corals, speleothems, documentary evidence, and other archives. They range in length from 50 to 2000 years, with a median of 547 years, while temporal resolution ranges from biweekly to centennial. Nearly half of the proxy time series are significantly correlated with HadCRUT4.2 surface temperature over the period 1850-2014. Global temperature composites show a remarkable degree of coherence between high- and low-resolution archives, with broadly similar patterns across archive types, terrestrial versus marine locations, and screening criteria. The database is suited to investigations of global and regional temperature variability over the Common Era, and is shared in the Linked Paleo Data (LiPD) format, including serializations in Matlab, R and Python.

关键词：

来源：评论

学校读者我要写书评

暂无评论

26th Annual Computational Neuroscience Meeting (CNS*2017): Part 3 Antwerp, Belgium. 15-20 July 2017 Abstracts

引用

BMC NEUROscience 2017年第SUPPL 1期18卷 95-176页

作者： [Anonymous] Department of Neuroscience Yale University New Haven CT 06520 USA Department Physiology & Pharmacology SUNY Downstate Brooklyn NY 11203 USA NYU School of Engineering 6 MetroTech Center Brooklyn NY 11201 USA Departament de Matemàtica Aplicada Universitat Politècnica de Catalunya Barcelona 08028 Spain Institut de Neurobiologie de la Méditerrannée (INMED) INSERM UMR901 Aix-Marseille Univ Marseille France Center of Neural Science New York University New York NY USA Aix-Marseille Univ INSERM INS Inst Neurosci Syst Marseille France Laboratoire de Physique Théorique et Modélisation CNRS UMR 8089 Université de Cergy-Pontoise 95300 Cergy-Pontoise Cedex France Department of Mathematics and Computer Science ENSAT Abdelmalek Essaadi’s University Tangier Morocco Laboratory of Natural Computation Department of Information and Electrical Engineering and Applied Mathematics University of Salerno 84084 Fisciano SA Italy Department of Medicine University of Salerno 84083 Lancusi SA Italy Dipartimento di Fisica Università degli Studi Aldo Moro Bari and INFN Sezione Di Bari Italy Data Analysis Department Ghent University Ghent Belgium Coma Science Group University of Liège Liège Belgium Cruces Hospital and Ikerbasque Research Center Bilbao Spain BIOtech Department of Industrial Engineering University of Trento and IRCS-PAT FBK 38010 Trento Italy Department of Data Analysis Ghent University Ghent 9000 Belgium The Wellcome Trust Centre for Neuroimaging University College London London WC1N 3BG UK Department of Electronic Engineering NED University of Engineering and Technology Karachi Pakistan Blue Brain Project École Polytechnique Fédérale de Lausanne Lausanne Switzerland Departement of Mathematics Swansea University Swansea Wales UK Laboratory for Topology and Neuroscience at the Brain Mind Institute École polytechnique fédérale de Lausanne Lausanne Switzerland Institute of Mathematics University of Aberdeen Aberdeen Scotland UK Department of Integrativ

来源：评论

学校读者我要写书评

暂无评论

Qualitative analysis for A Lotka-Volterra model with time delays

引用

WSEAS Transactions on Mathematics 2014年第1期13卷 603-6014页

作者： Xu, Changjin Zhang, Qiming Guizhou University of Finance and Economics Guizhou Key Laboratory of Economics System Simulation Longchongguan Street 276 Guiyang China Hunan University of Technology College of Science Beijing Street 42 Zhuzhou China

This paper considers a Lotka-Volterra model with time delays and delay dependent parameters. The linear stability conditions are obtained with characteristic root method. The Hopf bifurcation is demonstrated. Using normal form theory and center manifold theory, Some explicit formulae for determining the stability and the direction of the Hopf bifurcation periodic solutions are derived. Finally, numerical simulations are carried out to support the theoretical predictions.

关键词： Time delay

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：