نتایج جستجو برای: bure

تعداد نتایج: 201  

2011
M. Mohajerani M. Monfared

The Callovo-Oxfordian (COx) argillite is a possible host rock for radioactive waste disposal in which the ANDRA underground laboratory of Bure (East of France) has been excavated. In this paper some aspects of the volume change behaviour of the COx argillite are investigated. To do so, high pressure oedometers with a maximum capacity of 113 MPa have been used. In a first stage, swelling tests w...

2017
M. T. Sargent

Gas and dust in star-forming galaxies at the peak epoch of galaxy assembly are presently the topic of intense study, but little is known about the interstellar medium (ISM) of distant, passively evolving galaxies. We report on a deep 3mm band search with the IRAM/Plateau de Bure Interferometer for molecular (H2) gas in a massive (M ∼ 6 × 10 11 M) elliptical galaxy at z= 1.4277, the first obse...

2006
C. Codella B. Lefloch

We mapped the inner 40 ′′ of the HH212 Class 0 outflow in SiO(2–1), SiO(5–4) and continuum using the Plateau de Bure interferometer in its extended configurations. The unprecedented angular resolution (down to 0. 34) allows accurate comparison with a new, deep H2 image obtained at the VLT. The SiO emission is confined to a highly-collimated bipolar jet (width ∼ 0. 35) along the outflow axis. Th...

2004
H Beuther P Schilke F Gueth

We present high-spatial resolution Plateau de Bure Interferometer CO(2–1) and SiO(2–1) observations of one intermediate-mass and one high-mass star-forming region. The intermediate-mass region IRAS 20293+3952 exhibits four molecular outflows, one being as collimated as the highly collimated jet-like out-flows observed in low-mass star formation sources. Furthermore, comparing the data with addi...

2012
J. M. Simpson Ian Smail A. M. Swinbank D. M. Alexander R. Auld M. Baes D. G. Bonfield D. L. Clements A. Cooray K. E. K. Coppin A. L. R. Danielson A. Dariush L. Dunne G. de Zotti C. M. Harrison R. Hopwood C. Hoyos E. Ibar R. J. Ivison M. J. Jarvis A. Lapi S. J. Maddox M. J. Page D. A. Riechers E. Valiante P. P. van der Werf

We present Institut de Radioastronomie Millimétrique Plateau de Bure Interferometer observations of the 12CO (3–2) emission from two far-infrared luminous QSOs at z ∼ 2.5 selected from the Herschel-Astrophysical Tetrahertz Large Area Survey. These far-infrared bright QSOs were selected to have supermassive black holes (SMBHs) with masses similar to those thought to reside in submillimetre galax...

2015
S. C. Chapman F. Bertoldi Ian Smail A. W. Blain J. E. Geach M. Gurwell R. J. Ivison G. R. Petitpas N. Reddy C. C. Steidel

We report the blind detection of 12CO emission from a distant red galaxy, HS1700.DRG55.We have used the IRAM Plateau de Bure Interferometer WideX, with its 3.6 GHz of instantaneous dual-polarization bandwidth, to target 12CO(3–2) from galaxies lying in the protocluster at z = 2.300 in the field HS1700+64. If indeed this line in DRG55 is 12CO(3–2), its detection at 104.9GHz indicates zCO = 2.296...

2007
A. Fuente C. Ceccarelli R. Neri T. Alonso - Albi P. Caselli D. Johnstone E. F. van Dishoeck F. Wyrowski

Context. The transition between the low density groups of T Tauri stars and the high density clusters around massive stars occurs in the intermediate-mass (IM) range (M * ∼2–8 M ⊙). High spatial resolution studies of IM young stellar objects (YSO) can provide important clues to understand the clustering in massive star forming regions. Aims. Our aim is to search for clustering in IM Class 0 pro...

2017
Maryvonne Gerin M. Gerin N. Marcelino

In the theory of star formation, the first hydrostatic core (FHSC) phase is a critical step in which a condensed object emerges from a prestellar core. This step lasts about one thousand years, a very short time compared with the lifetime of prestellar cores, and therefore is hard to detect unambiguously. We present IRAM Plateau de Bure observations of the Barnard 1b dense molecular core, combi...

Journal: :Thermal science and engineering progress 2022

• Combustion and emission characteristics for biogas-hydrogen non-premixed flames. Simulation on SIEMENS SGT750 Combustor. Effect of hydrogen enrichment the stable flame operation. biogas macrostructure. Comparative analysis NO locating optimum conditions In present work, numerical investigations are performed to study combustion fuel blended with at various compositions a swirling in can-type ...

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