نتایج جستجو برای: leo charney
تعداد نتایج: 5786 فیلتر نتایج به سال:
This study aimed to evaluate the orofacial antinociceptive effect of the Cymbopogon winterianus essential oil (LEO) complexed in β-cyclodextrin (LEO-CD) and to assess the possible involvement of the central nervous system (CNS). The LEO was extracted, chromatographed, and complexed in β-cyclodextrin. The complex was characterized by differential scanning calorimetry (DSC) and thermogravimetry d...
The advent of low earth orbit (LEO) commercial communication satellites provides an opportunity to dramatically reduce Telemetry, Tracking and Control (TT&C) costs of launch vehicles, Unpiloted Aerial Vehicles (UAVs), Research Balloons and spacecraft by reducing or eliminating ground infrastructure. Personnel from the Goddard Space Flight Center’s Wallops Flight Facility (GSFC\WFF) have success...
تابش های موجود در محیط پرتوی فضا در مدار leo که پروتون ها سهم عمدۀ آن ها را تشکیل می دهند، آثار مخربی بر روی قطعات الکترونیکی بر جای می گذارند. در این مقاله، اثر آسیب یونیزان پروتون ها بر روی قطعات الکترونیکی ماهواره ای که در مدار leo حرکت می کند، بررسی شد. با بررسی های انجام شده بر روی مدارهای leo توسط نرم افزار shieldose، بدترین سناریوی مطرح برای یک ماهواره، مورد ارزیابی قرار گرفت. با توجه به...
Low Earth Orbit (LEO) satellite networks will play an important role in the evolving information infrastructure. Satellites in the low earth orbits provide communication with shorter end-to-end delays and efficient frequency usage. However, some problems need to be solved before LEO satellite systems can be successfully deployed. One of these problems is the handover management. The objective o...
1 Editorial: Dentin Leo Tjäderhane 3 Dentin basic structure and composition—an overview Leo Tjäderhane, Marcela R. Carrilho, Lorenzo Breschi, Franklin R. Tay & David H. Pashley 30 Microstructure and mechanical behavior of radicular and coronal dentin Dwayne Arola, Juliana Ivancik, Hessam Majd, Ashraf Fouad, Devendra Bajaj, Xiu-Yin Zhang & Naomi Eidelman 52 The dentin–pulp border: a dynamic inte...
Florencio Balboa Usabiaga, Rafael Delgado-Buscalioni, Boyce E. Griffith, 3 and Aleksandar Donev ∗ Departamento de F́ısica Teórica de la Materia Condensada, Condensed Matter Physics Center (IFIMAC), Univeridad Autónoma de Madrid, Madrid 28049, Spain Leon H. Charney Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016 Courant Institute of Mathe...
We obtain a logarithmically sharp estimate for the space-analyticity radius of the solutions of the damped-driven 2D Navier–Stokes equations with periodic boundary conditions and relate this to the small scales in this system. This system is inspired by the Stommel–Charney barotropic ocean circulation model.
We present results of a numerical study of the differential equation governing the stationary states of the two-dimensional planetary atmosphere and magnetized plasma (within the Charney Hasegawa Mima model). The results show an interesting similarity with the morphology of a tropical cyclone. Quantitative comparisons are also favorable and several scaling laws can be formulated connecting the ...
In this paper, we survey techniques for routing and performance analysis of Low Earth Orbit (LEO) systems. We first review the basic structure of LEO satellite communications and present the main characteristics of LEO systems. The dynamic characteristics of LEO systems make the performance analysis and routing problem quite complicated. In this study, we review some of the proposed solutions t...
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