نتایج جستجو برای: astronomical catalogues

تعداد نتایج: 10370  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی 1389

چکیده ندارد.

2017
Karina Piersig Marc Egloffstein Martina Pumpat Andreas Eckhardt David Wagner

This paper reports the experiences from the implementation of a Small Private Online Course in Management Education which has been designed to support learner engagement and promote digital competency. We describe the instructional design in detail, present some exploratory findings from a mixed-methods course evaluation and reflect on the lessons learned.

2017
Sylvain Ervedoza Frédéric De Gournay S Ervedoza

In this article, we focus on the analysis of discrete versions of the Calderón problem in dimension d ≥ 3. In particular, our goal is to obtain stability estimates for the discrete Calderón problems that hold uniformly with respect to the discretization parameter. Our approach mimics the one in the continuous setting. Namely, we shall prove discrete Carleman estimates for the discrete Laplace o...

2006
Wei Xing Marios D. Dikaiakos Rizos Sakellariou

In this paper, we present our work on building a Grid information knowledge base, which is a key component of a semantic Grid information system. A Core Grid Ontology (CGO) is developed for building a Grid knowledge base; and the SPARQL query language is adopted to query the knowledge base.

Journal: :SIAM J. Math. Analysis 2014
Manas Kar Mourad Sini

In this work, we are concerned with the inverse scattering by interfaces for the linearized and isotropic elastic model at a fixed frequency. First, we derive complex geometrical optic solutions with linear or spherical phases having a computable dominant part and an H α-decaying remainder term with α < 3, where H α is the classical Sobolev space. Second, based on these properties, we estimate ...

2012
Pawel Szmeja Antoine Zimmermann

Ontology engineering is a relatively new and immature science. With new possible applications and often non-normative standard proposals emerging rapidly it is hard to find one universal formalization of ontology engineering rules. This causes many authors to fall into a trap of focusing on the application of an ontology and not giving enough attention to the ontology itself. Such approach resu...

Journal: :IJCALLT 2014
Hsien-Chin Liou Sin-Yi Li

The study investigated the effects of the intervention of a computerized graphic organizer (CGO), Inspiration, on a group of EFL college students’ performance of English reading-to-write tasks. Students were given two pretests to determine their entry levels of English proficiency of reading and writing. After the CGO treatment, they were given two posttests. Both preand post-intervention measu...

2000
James G. Bartlett

The Aladin interactive sky atlas, developed at CDS, is a service providing simultaneous access to digitized images of the sky, astronomical catalogues, and databases. The driving motivation is to facilitate direct, visual comparison of observational data at any wavelength with images of the optical sky, and with reference catalogues. The set of available sky images consists of the STScI Digitiz...

1999
François Bonnarel Pierre Fernique James G. Bartlett Daniel Egret

The Aladin interactive sky atlas, developed at CDS, is a service providing simultaneous access to digitized images of the sky, astronomical catalogues, and databases. The driving motivation is to facilitate direct, visual comparison of observational data at any wavelength with images of the optical sky, and with reference catalogues. The set of available sky images consists of the STScI Digitiz...

2003
K. Tanaka

terials, operated in a pressure-driven mode, plotted as a function of inverse temperature. This Rgure is intended to give some appreciation of the Suxes that are attainable; however, they are not normalized to a given partial pressure gradient or thickness of membrane, and thus the Suxes are not directly comparable. Taking a value of between 10 and 100 L m 2 min 1 as the level of oxygen Sux nee...

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