نتایج جستجو برای: eaqìqah alma
تعداد نتایج: 6078 فیلتر نتایج به سال:
The Atacama Large Millimeter Array (ALMA), a world-wide project (64x12m-dishes operating from 84 to 720GHz, to be completed by 2011) will represent a jump of almost two orders of magnitude in sensitivity and angular resolution as compared to present millimeter/submillimeter interferometers, and will thus undoubtedly produce a major step in astrophysics. The main objectives will be the origins o...
We describe here an implemented small programming language, called Alma-0, that augments the expressive power of imperative programming by a limited number of features inspired by the logic programming paradigm. These additions encourage declarative programming and make it a more attractive vehicle for problems that involve search. We illustrate the use of Alma-0 by presenting solutions to a nu...
The aim of the Alma project is the design of a strongly typed constraint programming language that combines the advantages of logic and imperative programming. The rst stage of the project was the design and implementation of Alma-0, a small programming language that provides a support for declarative programming within the imperative programming framework. It is obtained by extending a subset ...
Title of thesis: PHYLOGENETIC ANALYSIS OF SWINE INFLUENZA VIRUSES ISOLATED FROM HUMANS IN ALMA-ATA, KAZAKHSTAN. Rangarajan Padmanabhan, Master of Science, 2009. Thesis directed by: Associate Professor Dr.Daniel Perez, Department of Veterinary Medicine, VA-MD Regional College of Veterinary Medicine, The University of Maryland, College Park. Continuous surveillance of influenza becomes important ...
Image quality of wide field observations with the ALMA has been studied with imaging simulations. Results of the simulations showed that antenna pointing errors are a serious problem for obtaining high quality images because they make a large error in visibilities in the central (u,v) hole estimated by mosaicing data processings. The ALMA Compact Array (ACA) with more than 10 smaller dishes (6-...
This memo presents the case for adding smaller antennas to the ALMA array. Smaller, higher precision antennas are better able to exploit the excellent submillimeter potential of the 5000 m altitude site, and are better matched to the angular size of many submillimeter sources. Model studies show that the image delity of mosaiced observations with the ALMA array will be limited by pointing and s...
Context. We have performed a spectral line survey called EMoCA toward Sagittarius B2(N) between 84.0 and 114.4 GHz with the Atacama Large Millimeter/submillimeter Array (ALMA) in its Cycles 0 and 1. Line intensities of the main isotopic species of ethyl cyanide and its singly 13C-substituted isotopomers observed toward the hot molecular core Sagittarius B2(N2) suggest that the doubly 13C-substi...
The ALMA front-end cryostat is a cylinder 1-m in diameter and 0.5-m high which holds up to 10 receivers operating in different frequency bands for full details see [1]. Figure 1 shows the cryostat in a preliminary mounting frame which allows initial RF measurements to be made using the adjacent electronics and control racks. Figure 2 shows a close-up picture of the top of the cryostat with the ...
We present new Atacama Large Millimeter/Submillimeter Array (ALMA) 850μm continuum observations of the original Lymanα Blob (LAB) in the SSA22 field at z = 3.1 (SSA22-LAB01). The ALMA map resolves the previously identified submillimeter source into three components with total flux density S850 = 1.68± 0.06 mJy, corresponding to a star formation rate of ∼150 M yr−1. The submillimeter sources are...
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