Results 21 to 30 of about 8,679 (172)

Advances in radiated power control at DIII-D

open access: yesNuclear Materials and Energy, 2019
Feedback control of radiated power from the lower divertor Prad, div, L has been implemented in the DIII-D Plasma Control System (PCS). A realtime sensor for Prad, div, L has been constructed from 12 foil bolometer channels which agrees with standard ...
D. Eldon   +9 more
doaj   +1 more source

Mass estimate of the Swift J 164449.3+573451 supermassive black hole based on the 3:2 QPO resonance hypothesis [PDF]

open access: yes, 2012
A dormant Swift source J 164449.3+573451 (Sw 164449+57)recently experienced a powerful outburst, caused most probably by a tidal disruption of a star by the super-massive black hole at the center of the source.
Abramowicz, M. A., Liu, F. K.
core   +1 more source

Sensitivity limit investigation of a Sagnac gyroscope through linear regression analysis

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
The sensitivity to angular rotation of the top class Sagnac gyroscope GINGERINO is carefully investigated with standard statistical means, using 103 days of continuous operation and the available geodesic measurements of the Earth angular rotation rate ...
Angela D. Di Virgilio   +16 more
doaj   +1 more source

Improvements to Stellar Structure Models, Based on a Grid of 3D Convection Simulations. I. $T(\tau)$-Relations [PDF]

open access: yes, 2014
Relations between temperature, T, and optical depth, tau, are often used for describing the photospheric transition from optically thick to optically thin in stellar structure models.
Asplund, Martin   +4 more
core   +1 more source

O controle de autoridade no domínio bibliográfico: os catálogos digitais

open access: yesBiblios, 2018
Por meio de uma revisão de literatura, este estudo tem por objetivo analisar o controle de autoridade nos catálogos digitais. Para isso, inicia-se com uma breve introdução acerca do controle de autoridade, contextualiza a automação das bibliotecas e o ...
Fabrício Silva Assumpção   +2 more
doaj   +1 more source

A wave emulator for ocean wave energy, a Froude-scaled dry power take-off test setup [PDF]

open access: yes, 2017
A dry laboratory environment has been developed to test Power Take-O_ (PTO) systems for Wave Energy Converters. The costs accompanied by testing a wave energy converter and its PTO at sea are high due to the di_cult accessibility of (remote) test ...
Crevecoeur, Guillaume   +4 more
core   +3 more sources

Linked and open data: RDA and bibliographic control

open access: yesJLIS.it, 2013
RDA: Resource Description and Access, is a new cataloguing standard which will replace the Anglo-American Cataloguing Rules, 2nd edition, which has been widely used in libraries since 1981.
Alan Danskin
doaj   +9 more sources

Estat actual de la normativa catalogràfica. Primera part : l'escenari internacional

open access: yesBiD: Textos Universitaris de Biblioteconomia i Documentació, 2009
Objectiu: Analitzar la situació actual de la normativa internacional de catalogació en els darrers anys per tal de determinar els motius que han provocat els canvis, els models i principis en què es fonamenten i les repercussions que poden tenir a curt o
Estivill Rius, Assumpció
doaj   +1 more source

Forces on Dust Grains Exposed to Anisotropic Interstellar Radiation Fields [PDF]

open access: yes, 2000
Grains exposed to anisotropic radiation fields are subjected to forces due to the asymmetric photon-stimulated ejection of particles. These forces act in addition to the ``radiation pressure'' due to absorption and scattering.
B. T. Draine   +13 more
core   +2 more sources

Standartinių bibliotekų metaduomenų modelių ir struktūrų pateikimo semantiniame saityne iniciatyvos

open access: yesAktualu Rytoj, 2013
Straipsnyje aptariamos naujausios bibliotekų metaduomenų modelių ir struktūrų, tarp jų – IFLA standartų „Functional Requirements for Bibliographic Records“ (FRBR) („Funkciniai reikalavimai bibliografiniams įrašams“), „Functional Requirements for ...
Gordon Dunsire, Mirna Willer
doaj   +1 more source

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