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| 1 | A Survey of Unbalanced Flow Diagnostics and Their Application显示文摘This paper presents an extensive survey of the most commonly used tools for diagnosing unbalanced flow in the atmosphere, namely the Lagrangian Rossby number, Psi vector, divergence equation, nonlinear balance equation, generalized omega-equation, and departure from fields obtained by potential vorticity (PV) inversion. The basic thoery, assumptions as well as implementation and limitations for each of the tools are all discussed. These tools are applied to high-resolution mesoscale model data to assess the role of unbalanced dynamics in the generation of a mesoscale gravity wave event over the East Coast of the United States. Comparison of these tools in this case study shows that these various methods agree to a large extent with each other though they differ in details. | Fuqing Zhang Steven E. Koch Christopher A. Davis and Michael L. Kaplan | 2000 | Advances in Atmospheric Sciences2000，17，2： | 22 |
| 2 | Multiagent flocking with formation in a constrained environment显示文摘We consider the problem of controlling a group of mobile agents to form a designated formation while flocking within a constrained environment. We first propose a potential field based method to drive the agents to move in connection with their neighbors, and regulate their relative positions to achieve the specific formation. The communication topology is preserved during the motion. We then extend the method to flocking with environmental constraints. Stability properties are analyzed to guarantee that all agents eventually form the desired formation while flocking, and flock safely without collision with the environment boundary. We verify our algorithm through simulations on a group of agents performing maximum coverage flocking and traveling through an unknown constrained environment. | Yao LU 1 , Yi GUO 1 , Zhaoyang DONG 2 (1.Department of Electrical and Computer Engineering, Stevens Institute of Technology, Castle Point, Hoboken, NJ07030, USA 2.Department of Electrical Engineering, Hong Kong Polytechnic University, Hong Kong, China) | 2010 | 控制理论与应用(英文版)2010，8，2： | 5 |
| 3 | Expression and Chromosomal Mapping of Mouse Gpx2 Gene Encoding the Gastrointestinal Form of Glutathione Peroxidase, GPX-GI显示文摘GPX-GI is a cytosolic tetrameric Se-dependent glutathione peroxidase, similar in properties to GPX-1. Unlike the almost ubiquitous GPX-1, GPX-GI is mainly expressed in the epithelium of gastrointestinal tract. GPX-GI contributes to at least fifty percent of GPX activity in rodent small intestmal epithelium. The total GPX activity consists of at least 70% of selenium-dependent GPX activity in this compartment.By analyzing a panel of mouse mterspecies DNA from the Jackson Laboratory’s backcross resource,we mapped Gpx2 gene to mouse chromosome 12 between D12Mit4 and D12Mit5, near the Ccs1 locus which contains a colon cancer susceptibility gene. A pseudogene, Gpx2-ps is mapped to mouse chromosome 7.Comparison of Gpx2 gene expression in three pairs of C57BL/6Ha and ICR/Ha mice which are respectively resistant and sensitive to dimethylhydrazine-induced colon cancer, we found a higher Gpx2 mRNA level in C57BL/6Ha colon than ICR/Ha colon. Interestingly, a lower level of GPX activity is found in the resistant strain of mice. Because GPX-1 has three times higher specific activity than GPX GI, our data suggest that the decreased GPX activity may result from a higher level of Gpx2 gene expression in those cells co-express GPx1 | FONG-FONG CHU R. STEVEN ESWORTHY YE SHIH HO MARGIT BERMEISTER KRISTINE SWIDEREK AND ROSEMARY W. ELLIOTT(Department of Medical Oncology, City of Hope Midical Center, Duarte,CA91010, USA Department of Psychiatry and Human Genetics,Mintal Health Research | 1997 | Biomedical and Environmental Sciences1997，10，2： | 5 |
| 4 | WTO Dispute Procedures, Standard of Review, and Deference to National Govern-ments 显示文摘 | Steven P Croley and John H Jackson | 1996 | American Journal of International Law1996，，： | 1 |
| 5 | Synthetic aperture imaging laser radar laboratory demonstration and signal processing显示文摘 | Steven M B and Jiseph R B | 2005 | Applied Optics2005，44，35： | 1 |
| 6 | The Cancer and Steroid Hormone Study Group显示文摘 | McDivitt RW Stevens JA Lee NC et aL Histologic types of be- nign breast disease and the risk for breast cancer | 1992 | Cancer1992，69，： | 1 |
| 7 | Working Capital and Fixed Investment:New Evidence on Financing Constrains 显示文摘 | Fazzari Steven and Bruce Petersen | 1993 | Rand Journal of Economics1993，24，： | 1 |
| 8 | MinimaLLy invasive surgery for uroLogic disease in chiLdren显示文摘 | DanieLLe D Sweeney Marc C SmaLdone and Steven G Docimo | 2007 | NATURE CLINICAL PRACTICE2007，4，： | 1 |
| 9 | Frontier estimation and firm-specific ineffi- ciency measures in the presence of heteroscedasticity显示文摘 | Steven B Caudill Jon M Ford and Daniel M Groppe | 1995 | Journal of Business and Economic Statistics1995，13，1： | 1 |
| 10 | Time Paths in the Diffusion of Product Innovation显示文摘 | Gort Michael and Klepper Steven | 1982 | the Economic Journal1982，92，： | 1 |
| 11 | Differentiating Market Strategies for Disruptive Technologies 显示文摘 | Steven T Bruce A Kirchhoff and Scott Newber | 2002 | IEEE Transactions on Engineer- ing Management2002，49，4： | 1 |
| 12 | The Evolution of New Industries and the Determinants of Market Structure 显示文摘 | K lepper Steven and Graddy Elizabeth | 1990 | RAND Journal of Eco- nomics1990，21，1： | 1 |
| 13 | Permeability Prediction from Geologic Models显示文摘 | Steven Bryant Charistopher Cade and David Mellor | 1993 | The American Association of Petroleum Geologists1993，77，8： | 1 |
| 14 | Marine EM techniques for gas-hydrate detection and hazard mitigation显示文摘 | Karen Weitemeyer Steven Conatable and Kerry Key | 2006 | The Leading Edge2006，25，5： | 1 |
| 15 | Learning about Networked Learning Communities显示文摘 | Steven Katz and Lorna Earl | 2010 | School Effectiveness and School Improvement2010，21，1： | 1 |
| 16 | Small Business and Job Creation:Dissecting the Myth and Reassessing the Facts显示文摘 | Steven J John Haltiwanger and Scott Schuh | 1993 | Business Economics1993，，29： | 1 |
| 17 | Vertical and lateral fluid flow related to a large growth fault,south Eugene island block 303 field,offshore Louisiana显示文摘 | Steven Losh Lorraine Eglinton Martin Schiell and James Wood | 1999 | AAPG Bulletin1999，83，2： | 1 |
| 18 | 显示文摘 | Steven P Armes Preparation and characterrisation of novel polypyrrole-silica colloidal nanocomposites | 1994 | J Mater Chem1994，4，： | 1 |
| 19 | Measuring the Positive Externalities from Unobservable Victim Precaution:An Empirical Analysis of Lojack显示文摘 | Ayres Ian and Steven Levitt | 1998 | Quarterly Journal of Economics1998，113，： | 1 |
| 20 | A Technique for Estimating the Launching Position of a Ballistic Trajectory显示文摘 | Zeev Zalevsky Steven Lashansky and Nir Saad | 2002 | SPIE2002，4745，： | 1 |
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