نتایج جستجو برای: mav

تعداد نتایج: 752  

2005
Wei Ren Ella Atkins

Micro Air Vehicles (MAVs) will provide a low-cost, redundant means to perform reconnaissance missions in urban or traditional battlefield environments. These miniaturized vehicles, however, will have extremely limited capacity for onboard navigation sensors, processors, and inter-vehicle communication. This paper explores the application of emerging consensus algorithms to the problem of distri...

2002
L. A. Young E. W. Aiken J. Andrews J. Klem

This paper summarizes ongoing work concerning micro-rotorcraft (MRC) – i.e., rotary-wing micro air vehicles (MAV) – research and development. Technology trends involving microelectronic miniaturization, vehicle autonomy systems, electric propulsion and power electronics are contributing to an ongoing revolution in MAV and MRC aerial vehicle concepts and applications. New vehicle configurations ...

Journal: :I. J. Robotics Res. 2010
Ruijie He Abraham Bachrach Michael Achtelik Alborz Geramifard Daniel Gurdan Sam Prentice Jan Stumpf Nicholas Roy

The MAV ’08 competition focused on the problem of using air and ground vehicles to locate and rescue hostages being held in a remote building. To execute this mission, a number of technical challenges were addressed, including designing the micro air vehicle (MAV), using the MAV to geo-locate ground targets, and planning the motion of ground vehicles to reach the hostage location without detect...

سید حبیب‌اله نوربخش ناصر امانی‌فر (صحراگرد),

بیماری‌های ویروسی غلات، دارای ناقل طبیعی، در استان چهارمحال و بختیاری اغلب باعث خسارت اقتصادی می‌شوند. گونه‌های Rhopalosiphum padi، Sipha elegans، Schizaphis graminum، Sitobion avenae، Rhopalosiphum maidis و Metopolophium dirhodum به ترتیب فراوانی جمعیت به‌عنوان مهم‌ترین ناقلین ویروس‌های کوتولگی زرد جو و غلات در شهرکرد طی سال‌های 87-1385 شناخته شدند. سروتیپ های barley yellow dwarf virus-PAV (PA...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1991
L Pirofski M S Horwitz M D Scharff S M Factor

Murine adenovirus type 1 (MAV-1) infection of CB-17 SCID mice (which are homozygous for the severe combined immunodeficiency mutation) induces hepatic histopathologic and ultrastructural features that are strikingly similar to human Reye syndrome. Gross pathologic examination of MAV-1-infected mice revealed only pale yellow liver tissue. Histopathologic studies of tissue from MAV-1-infected mic...

Journal: :Journal of virology 1975
R E Smith L J Davids P E Neiman

Myeloblastosis-associated virus (MAV)-2(0), a virus which was derived from avian myeloblastosis virus and induced a high incidence of osteopetrosis, was compared with avian lymphomatosis virus 5938, a recent field isolate which induced a high incidence of lymphomatosis. The following information was obtained. (i) MAV-2(0) induced osteopetrosis, nephroblastoma, and a very low incidence of hepato...

Journal: :American journal of respiratory cell and molecular biology 2008
Elizabeth P Sampaio Houda Z Elloumi Adrian Zelazny Li Ding Michelle L Paulson Alan Sher Andre L Bafica Yvonne R Shea Steven M Holland

Mycobacterium avium (MAV) and M. abscessus (MAB) are ubiquitous environmental organisms increasingly recognized to cause chronic lung disease in patients with apparently normal immune function. Little is yet known about their human pathophysiology. Our objective was to examine cytokine and chemokine responses (protein and gene expression) and signaling pathways triggered by reference and clinic...

2012
John F. Bowyer Monzy Thomas Tucker A. Patterson Nysia I. George Jeffrey A. Runnells Mark S. Levi

This video presentation was created to show a method of harvesting the two most important highly vascular structures, not residing within the brain proper, that support forebrain function. They are the cerebral surface (superficial) vasculature along with associated meninges (MAV) and the choroid plexus which are necessary for cerebral blood flow and cerebrospinal fluid (CSF) homeostasis. The t...

Journal: :Antimicrobial agents and chemotherapy 2005
L Lenaerts E Verbeken E De Clercq L Naesens

The importance of human adenovirus infections in immunocompromised patients urges for new and adequate antiadenovirus compounds. Since human adenoviruses are species specific, animal models for systemic adenovirus infections rely on a nonhuman adenovirus. We established mouse adenovirus type 1 (MAV-1) infection of BALB/c SCID mice as a model for the evaluation of antiadenovirus therapy. In vitr...

2012
LAN LIU XIJING ZHANG ZHAOXIA HE

A lightweight flapping-wing micro air vehicle (MAV) was designed and built and successfully filed in the sky. The unsteady aerodynamics associated with this MAV was detailedly studied by using the method of computational fluid dynamics (CFD).The variations of different parameters of the flapping MAV, such as flapping amplitude, pitch amplitude and flapping frequency, were investigated with nume...

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