نتایج جستجو برای: مدار leo

تعداد نتایج: 11322  

Journal: :J. AIS 2003
Kalle Lyytinen

As part of the reorganization of the JAIS Journal in 2002 the newly formed editorial team has decided to open the pages of the JAIS journal to the recipients of the Leo awardthe most distinguished award of AIS. The LEO Award was established in 1999 by the Council of the Association for Information Systems and the Executive Committee of the International Conference on Information Systems. Named ...

2017
Leo Loeb Hugo Ribbert

Leo Loeb [6] developed an experimental approach to studying cancer and pioneered techniques for tissue culture and in vitro [7] tissue transplantation which impacted early-to-mid twentieth century experimental embryology [8]. Loeb received his medical degree from the University of Zurich [9] in 1897. As part of his doctorate, he completed a thesis on the outcomes of tissue transplantation in gu...

1997
Abbas Jamalipour Akira Ogawa

In this paper, we discuss on two important issues through the realization of global personal communication networks with low earth orbital (LEO) satellites. The first issue is the selection of an effective multiple access scheme which can utilize the limited spectrum allocated to these systems. In this way, we focus on the schemes based on spread spectrum techniques and explain their unique cha...

2002
Petia Todorova

Development of the past decade have confirmed that ATM technology has the potential of becoming the transport mechanism in many multimedia networks where high-speed traffic and Quality of Service guarantees must be provided. More recently, we have witnessed a surge of interest in Low Earth Orbiting (LEO) satellite networks with on-board ATM switches, which hold the promise of offering an econom...

2014
Hao Jiang Joshua S. White Jeanna N. Matthews

Phishing website creators and anti-phishing defenders are in an arms race. Cloning a website is fairly easy and can be automated by any junior programmer. Attempting to recognize numerous phishing links posted in the wild e.g. on social media sites or in email is a constant game of escalation. Automated phishing website detection systems need both speed and accuracy to win. We present a new met...

Journal: :Pakistan journal of pharmaceutical sciences 2009
Haitham N Qaralleh Muayad M Abboud Khaled M Khleifat Khaled A Tarawneh Osama Y Althunibat

This study was carried out to evaluate the antibacterial activity of aqueous and organic extracts of Thymus capitatus L. (Lamiaceae) leaves and stems. Dried ground powder leaves and stems were extracted with water (aqueous extracts), ethanol, dichloromethane and hexane (Soxhlet extracts). The antibacterial activity of these extracts was evaluated against bacteria using disc diffusion method. Th...

Journal: :Int. J. Satellite Communications Networking 2001
Young Hoon Kwon Dan Keun Sung

In the near future low earth orbit (LEO) satellite communication networks will partially substitute for fixed terrestrial multimedia networks especially in sparsely populated areas. Unlike fixed terrestrial networks, ongoing calls may be dropped if satellite channels are shadowed. Therefore, in most LEO satellite communication networks more than one satellite need to be simultaneously visible i...

2000
X. Zhang R. R. Li P. D. Dapkus D. H. Rich

A sparse nucleation process on sapphire ~0001! substrates has been developed for the growth of GaN thin films. The density of nucleation sites is reduced to only 4310 cm. Based on this process, we performed direct lateral epitaxial overgrowth ~LEO! of GaN by metalorganic chemical vapor deposition on patterned SiO2/sapphire ~0001! substrates. An aggregate lateral to vertical growth rate ratio of...

2007
SANGMO TONY SOHN WILLIAM E. KUNKEL KATHRYN V. JOHNSTON RICHARD J. PATTERSON MICHAEL H. SIEGEL MICHAEL C. COOPER

We present a wide-field (4.5 deg2) photometric and spectroscopic survey of the Leo I dwarf spheroidal (dSph) galaxy to explore its extended morphology and dynamics. As in previous papers in this series, we take advantage of photometry in the M, T2, and DDO51 filter system to select Leo I red giant branch star candidates, and, so far, this selection technique has proven 100% reliable in selectin...

Journal: :Electronics 2022

With the rise of a new generation low Earth orbit (LEO) satellite constellations and advancement 6G network, satellite–terrestrial integrated Internet Things (IoT) in future will achieve global coverage through integration LEO constellation, extend computing to edge network deployment services constellation so as meet demand mass connection latency data processing. The be an cloud combining com...

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