Results 91 to 100 of about 1,007,282 (142)
Applications of atomic data to studies of the Sun
The European Physical Journal DAbstract The Sun is a standard reference object for astrophysics and also a fascinating subject of study in its own right. X-ray and extreme ultraviolet movies of the Sun’s atmosphere show an extraordinary diversity of plasma phenomena, from barely visible bursts and jets to coronal mass ejections that impact a large ...
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Atomic Decomposition of Financial Data
Computational Economics, 1998zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Atomic updates of replicated data
1996Although several replication strategies have been described and compared in the literature, very few work has been published on the underlying protocols needed to support these strategies. In fact, the classical transactional protocols that are usually assumed are not fault-tolerant, and thus create a window of vulnerability for the “faulttolerant ...
Rachid Guerraoui +2 more
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Fusion Science and Technology, 2013
AbstractThere have been long outstanding requests from the modeling community for uncertainty estimates on atomic data. This paper outlines a systematic approach from fundamental atomic structure and collisional calculations, through to well-known spectral diagnostic lines, correlating the uncertainties from each contributing process.
C. P. Ballance +5 more
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AbstractThere have been long outstanding requests from the modeling community for uncertainty estimates on atomic data. This paper outlines a systematic approach from fundamental atomic structure and collisional calculations, through to well-known spectral diagnostic lines, correlating the uncertainties from each contributing process.
C. P. Ballance +5 more
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Calculation of atomic integration data
Journal of Computational Chemistry, 2000The calculation of average properties of atoms in molecules and interatomic surfaces is a difficult problem that requires the evaluation of two- and three-dimensional integrals over regions with nontrivial borders. A mathematical formalism is presented that maps these regions onto the whole of ℝ2 and/or ℝ3 and allows the construction of efficient and ...
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Space Science Reviews, 1981
The current status of the theoretical methods for producing the relevant atomic data is surveyed.
D.L. Moores, H. Nussbaumer
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The current status of the theoretical methods for producing the relevant atomic data is surveyed.
D.L. Moores, H. Nussbaumer
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Atom web portal for atomic data and computation
2021We have designed a web portal that is able to provide the scientific community with easily accessible high-quality atomic transition data. The application codes used for the portal are capable of calculating a very broad range of atomic properties to answer the significant needs of atomic, plasma, and astrophysics communities. ☐ There is a demonstrated
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Physica Scripta, 1991
In order to carry out a computer model of a non-LTE plasma, data for a variety of processes for several stages of ionization are needed. A recently developed set of computer codes has been used to calculate such data for all ionization stages of titanium.
R E H Clark, J Abdallah
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In order to carry out a computer model of a non-LTE plasma, data for a variety of processes for several stages of ionization are needed. A recently developed set of computer codes has been used to calculate such data for all ionization stages of titanium.
R E H Clark, J Abdallah
openaire +1 more source