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Why a World Journal of Gastroenterology?

World Journal of Gastroenterology 2004年第19期10卷 2773-2774页

作者： Pelayo Correa boyd professor Department of PathologyLouisiana State UniversityLSU Health Sciences Center1901 Perdido StreetBox P5-1New OrleansLA 70112USA

When a new medical journal is launched, the reaction is frequent: Why? Do we have already so much to read that we feel overwhelmed? But, the litmus test of a good new journal is: Does it find its way into the reading time of physicians and medical scientists? The new World Journal of Gastroenterology has the opportunity to pass that litmus test.

关键词： Gastroenterology Humans Periodicals World Health

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Multimodality Imaging Training for General and Advanced Cardiology Fellowships

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Cardiovascular Innovations and Applications 2019年第B4期4卷 9-12页

作者： Chittur A.Sivaram,MD,FACP,FASE,FACC David Ross boyd professor of Medicine Cardiovascular SectionDepartment of MedicineUniversity of OklahomaOklahoma CityOKUSA

With the growth in multimodality imaging technology,there is heightened interest in advanced imaging training within the cardiology fellow *** ideal training models for multimodality imaging remain to be determined and there are uncertainties about the manpower needs for cardiologists with advanced multimodality imaging *** commentary discusses several areas pertaining to training of cardiology fellows in multimodality imaging.

关键词： multimodality imaging fellowship education COCATS

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DISTRIBUTING REAL LEARNING CONVERSATIONS WITH VIRTUAL MONEY

DISTRIBUTING REAL LEARNING CONVERSATIONS WITH VIRTUAL MONEY

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全国计算机辅助教育学会第八届学术年会

作者： Gary McI.boyd professor of Education Educational TechnologyConcordia University

Taking the position that broadening and deepening multi-perspectival learning conversations is the core activity of education,and that multivocal discourse is required for that,then what is most needed for Internet-based distance education is a way to facilitate ma tch-making,and support for fair give-&-take among learners who tutor,and tutors-who are al so *** are many adult and even adolescent learners who also have achieved enough com petence in subject matter areas and tutoring skills to be able to be effective peer-tutors or tea chers,while also wanting or needing tutoring themselves in other *** a matches can be arranged in cyberspace to connect learners to appropriate tutors,and if fair give-&-take can be ensured then a great flowering of life-long learning should *** this potential syner gy to be actualized requires that participants should have confidence that their help-offerings will be reciprocated by suitable help from *** also requires means to check up on reci procal commitments promised,and to monitor&report the quality of the actual learning-con versation tutorials *** and practicable configurations for providing such peer-tutored,and machine tutor ed,distance education are outlined on the basis of three technical developments:AI agents,w ebcentric mediation via downloaded applets with"cookie"feedback,and especially virtual curr ency exchange via public key encryption,which together,it is argued,offer particularly good options to distance learners and educators.

关键词： Internet-based distance education AI agents virtual currency

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Numerical modeling of sediment flushing from Lewis and Clark Lake

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International Journal of Sediment Research 2013年第2期28卷 182-193页

作者： Jungkyu AHN Chih Ted YANG Paul M.boyd Daniel B.PRIDAL John I.REMUS Civil and Environmental Engineering Department Seoul National UniversitySeoulRepublic of Korea Research Fellow Water Resources and Director of Hydroscience and Training Center Civil and Environmental Engineering DepartmentColorado State UniversityFort CollinsCOUSA80526 Borland Professor U.S.Army Corps of Engineers OmahaNebraskaUSA Hydraulic Engineer Sedimentation and Channel Stabilization Section U.S.Army Corps of EngineersOmahaNebraskaUSA Chief

Lewis and Clark Lake is located on the main stream of the Missouri *** reservoir is formed behind Gavins Point dam near Yankton,South Dakota,*** Lewis and Clark Lake reach extends about 40 km from the Gavins Point *** reservoir delta has been growing since the closure of Gavins Point dam in 1955 and has resulted in a 21%reduction of storage within the maximum pool of the *** several sediment management methods,drawdown flushing has been recommended as a possible management *** engineering viability of removing sediments deposited in the lake should be examined by numerical modeling before implementing a drawdown ***4 was used for this study and calibrated by using measured data from 1975 to *** cross-section changes and amount of flushed sediment were predicted with four hypothetical flow *** flushing efficiencies of all scenarios were estimated by comparing the ratios between water consumption and flushed sediment during flushing.

关键词： Drawdown flushing Flushing efficiency GSTARS computer model Reservoir sedimentation Sediment transport Lewis and Clark Lake

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