Results 11 to 20 of about 9,276 (206)

The Effectiveness of the DIC as a Measurement System in SRG Shear Strengthened Reinforced Concrete Beams

open access: yesCrystals, 2021
Steel Reinforced Grout (SRG) materials are generating considerable interest as strengthening system of reinforced concrete (RC) structures. They are finding increasing use in several civil engineering applications mainly due to the advantages they offer ...
Marco Francesco Funari, Salatore Verre
doaj   +2 more sources

Numerical Strategy for Column Strengthened with FRCM/SRG System

open access: yesBuildings, 2022
The use of fabric-reinforced cementitious mortar (FRCM) or steel-reinforced grout (SRG) is now recognized to be effective in enhancing the axial capacity of masonry columns when confinement is achieved.
Salvatore Verre
doaj   +2 more sources

The SRG rat, a Sprague-Dawley Rag2/Il2rg double-knockout validated for human tumor oncology studies.

open access: yesPLoS ONE, 2020
We have created the immunodeficient SRG rat, a Sprague-Dawley Rag2/Il2rg double knockout that lacks mature B cells, T cells, and circulating NK cells. This model has been tested and validated for use in oncology (SRG OncoRat®).
Fallon K Noto   +24 more
doaj   +2 more sources

The SRG/eROSITA all-sky survey [PDF]

open access: yesAstronomy & Astrophysics
The eROSITA telescope array aboard the Spektrum Roentgen Gamma (SRG) satellite began surveying the sky in December 2019, with the aim of producing all-sky X-ray source lists and sky maps of an unprecedented depth. Here we present catalogues of both point-
A. Merloni   +144 more
semanticscholar   +9 more sources

Properties of the Extremely Energetic GRB 221009A from Konus-WIND and SRG/ART-XC Observations [PDF]

open access: yesAstrophysical Journal Letters, 2023
We report on Konus-WIND (KW) and Mikhail Pavlinsky Astronomical Roentgen Telescope – X-ray Concentrator (ART-XC) observations and analysis of a nearby GRB 221009A, the brightest γ-ray burst (GRB) detected by KW for >28 yr of observations.
D. Frederiks   +10 more
semanticscholar   +1 more source

SRG X-ray orbital observatory. Its telescopes and first scientific results [PDF]

open access: yesAstronomy & Astrophysics, 2021
The orbital observatory Spectrum-Roentgen-Gamma (SRG), equipped with the grazing-incidence X-ray telescopes Mikhail Pavlinsky ART-XC and eROSITA, was launched by Roscosmos to the Lagrange L2 point of the Sun–Earth system on July 13, 2019.
R. Sunyaev   +41 more
semanticscholar   +1 more source

The eROSITA X-ray telescope on SRG [PDF]

open access: yesAstronomy & Astrophysics, 2020
eROSITA (extended ROentgen Survey with an Imaging Telescope Array) is the primary instrument on the Spectrum-Roentgen-Gamma (SRG) mission, which was successfully launched on July 13, 2019, from the Baikonour cosmodrome.
P. Predehl   +92 more
semanticscholar   +1 more source

SRG/eROSITA catalogue of X-ray active SDSS dwarf galaxies [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2023
We present a sample of 99 dwarf galaxies (M* < 109.5M⊙) with X-ray activity in their central regions. The sample was obtained from a match of the SRG/eROSITA X-ray catalogue in the Eastern Galactic hemisphere with the MPA-JHU SDSS catalogue.
S. Bykov, M. Gilfanov, R. Sunyaev
semanticscholar   +1 more source

First tidal disruption events discovered by SRG/eROSITA: X-ray/optical properties and X-ray luminosity function at z < 0.6 [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2021
We present the first sample of tidal disruption events (TDEs) discovered during the SRG all-sky survey. These 13 events were selected among X-ray transients detected in the 0 < l < 180○ hemisphere by eROSITA during its second sky survey (10 June–14 ...
S. Sazonov   +24 more
semanticscholar   +1 more source

SRG/eROSITA survey of Be stars [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2023
Massive stars are known X-ray emitters and those belonging to the Be category are no exception. One type of X-ray emission even appears specific to that category, the γ Cas phenomenon.
Y. Nazé, J. Robrade
semanticscholar   +1 more source

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