Browsing by Title

Now showing items 15082-15101 of 24083

    • New Results from the Supernova Ia Progenitor Survey 

      Napiwotzki, R.; Karl, C.; Nelemans, G.; Yungelson, L.; Christlieb, N.; Drechsel, H.; Heber, U.; Homeier, D.; Koester, D.; Kruk, J.; Leibundgut, B.; Marsh, T.R.; Moehler, S.; Renzini, A.; Reimers, D. (Astronomical Society of the Pacific, 2005)
      We report on a systematic radial velocity survey for double degenerate (DD) binaries as potential progenitors of type Ia supernovae: SPY (ESO Supernovae Ia Progenitor surveY). More than 1000 white dwarfs and pre-white ...

    • New results on long secondary periods in red giants 

      Nicholls, C.P.; Wood, P.R.; Cioni, M-R.L.; Soszynski, I. (2009)
      Approximately 30% of variable red giants have light curves which show a Long Secondary Period (LSP) in addition to their primary oscillation. No model has been proposed that can satisfactorily explain the LSPs. Here we ...

    • New results on long secondary periods in red giants 

      Nicholls, C.P.; Wood, P.R.; Cioni, M-R.L.; Soszynski, I. (2009)
      Approximately 30% of variable red giants have light curves which show a Long Secondary Period (LSP) in addition to their primary oscillation. No model has been proposed that can satisfactorily explain the LSPs. Here we ...

    • New results on particle acceleration in the Centaurus A jet and counterjet from a deep Chandra observation 

      Hardcastle, M.J.; Kraft, R.P.; Sivakoff, G.R.; Goodger, Joanna; Croston, J.H.; Jordan, A.; Evans, D.A.; Worrall, D.M.; Birkinshaw, M.; Raychaudhury, S.; Brassington, Nicola; Forman, W.R.; Harris, W.E.; Jones, C.; Juett, A.M.; Murray, S.S.; Nulsen, P.E.J.; Sarazin, C.L.; Woodley, K.A. (2007)
      We present new deep Chandra observations of the Centaurus A jet, with a combined on-source exposure time of 719 ks. These data allow detailed X-ray spectral measurements to be made along the jet out to its disappearance ...

    • A New Rheological Polymer Based on Boron Siloxane Cross-Linked by Isocyanate Groups 

      Shmelin, George (University of Hertfordshire, 2012-05-17)
      The research described in this thesis originated from an idea to develop new body protection for the sport of fencing. The ultimate goal is to develop body armour which would be flexible, wearable, washable, light and ...

    • A new RNASeq-based reference transcriptome for sugar beet and its application in transcriptome-scale analysis of vernalization and gibberellin responses 

      Mutasa-Gottgens, Euphemia; Joshi, Anagha; Holmes, Helen F.; Hedden, Peter; Gottgens, Berthold (2012)
      Sugar beet (Beta vulgaris sp. vulgaris) crops account for about 30% of world sugar. Sugar yield is compromised by reproductive growth hence crops must remain vegetative until harvest. Prolonged exposure to cold temperature ...

    • The New Russian Book: A Graphic Cultural History, by Birgitte Beck Pristed : What’s in a book cover? Grace Lees-Maffei examines a history of graphic design in Russian fiction 

      Lees-Maffei, Grace (2017-07-13)
      Book review of The New Russian Book: A Graphic Cultural History, by Birgitte Beck Pristed

    • A new sample of extremely/ultra metal-poor stars 

      Perez, A. E. Garcia; Christlieb, N.; Ryan, Sean G.; Beers, T.C.; Aoki, W.; Asplund, M.; Barklem, P.S.; Bessell, M.S.; Eriksson, K.; Frebel, A.; Gustafsson, B.; Korn, A.J.; Nordstrom, B.; Norris, J.E. (2008-12)
      A sample of 30 very metal-poor stars from the Hamburg-European Southern Observatory (ESO) objective-prism survey have been observed at high spectral resolution at the Very Large Telescope (VLT) using the Ultraviolet and ...

    • A New Sample of Transient Ultraluminous X-Ray Sources Serendipitously Discovered by Swift/XRT 

      Brightman, Murray; Hameury, Jean-Marie; Lasota, Jean-Pierre; Baldi, Ranieri D.; Bruni, Gabriele; Cann, Jenna M.; Earnshaw, Hannah; Fürst, Felix; Heida, Marianne; Jaodand, Amruta; Lazzarini, Margaret; Middleton, Matthew J.; Walton, Dominic J.; Weaver, Kimberly A. (2023-07-03)
      Ultraluminous X-ray sources (ULXs) are our best laboratories for studying extreme super-Eddington accretion. Most studies of these objects are of relatively persistent sources; however, there is growing evidence to suggest ...

    • A new set of international Leptosphaeria maculans isolates as a resource for elucidation of the basis and evolution of blackleg disease on Brassica napus 

      Van de Wouw, Angela; Scanlan, Jack; Al-Mamun, Hawlader; Balesdent, Marie-Hélène; Bousset, Lydia; Burketová, Lenka; del Rio Mendoza, Luis; Fernando, Dilantha; Franke, Coreen; Howlett, Barbara; Huang, Yongju; Jones, Eirian; Koopmann, Birger; Lob, Suhaizan; Mirabadi, Ali; Nugent, Bridgit; Peng, Gary; Rossi, Franco; Schreuder, Huibrecht; Tabone, Annie; Van Coller, Gert; Batley, Jacqueline; Idnurm, Alexander (2023-09-22)
      A collection of isolates of the fungi Leptosphaeria maculans and L. biglobosa, which cause blackleg disease on Brassica napus (canola/oilseed rape) and other Brassicaceae species, was assembled to represent the global ...

    • New short-period stellar pulsators at large Galactocentric distances 

      Ramsay, G.; Barclay, T.; Napiwotzki, R.; Barclay, T.; Cropper, M.; Hakala, P.; Potter, S. (2011-10-01)
      We report the discovery of 31 blue, short-period, pulsators made using data taken as part of the Rapid Temporal Survey (RATS). We find that they have periods between 51 and 83 min and full amplitudes between 0.05 and ...

    • A New Sliding Mode Control Strategy for Variable-Speed Wind Turbine Power Maximization 

      Tahir, Khalfallah; Belfedel, Ckeikh; Allaoui, Tayeb; Denai, Mouloud; Doumi, M'hamed (2018-04-01)
      The paper proposes a new sliding mode power control strategy for a wound-field synchronous generator-based variable speed wind energy conversion systems to maximize the power extracted from the wind turbine. The proposed ...

    • A new SoC video ghost canceller 

      Huang, J.; He, Y.; Sun, Y.; Zhao, W.; Zhu, X. (Institute of Electrical and Electronics Engineers (IEEE), 2009)
      A video ghost canceller, which reduces the effect of multi-path signal echoes (ghosts), is described in this paper. An adaptive LMS algorithm was used to improve the received image quality of PAL or NTSC broadcasts. The ...

    • A New Solution to the Plasma Starved Event Horizon Magnetosphere: Application to the Forked Jet in M87 

      Punsly, Brian; Hardcastle, Martin; Hada, Kazuhiro (2018-06-22)
      Very Long Baseline Interferometry observations at 86 GHz reveal an almost hollow jet in M87 with a forked morphology. The detailed analysis presented here indicates that the spectral luminosity of the central spine of the ...

    • A New Song : [for two choirs and soloists] 

      Social Sciences, Arts & Humanities Research Institute; School of Creative Arts; Music; Blinko, Timothy (2012-12-23)
      A New Song is a choral work commissioned by Christ Church Cathedral Choir, Oxford [‘One of the finest choirs on earth’ – Channel 4; ‘To hear a choir like this is to hear a quality of musicianship with no equal anywhere in ...

    • New spectrofluorometric application for the determination of ternary mixtures of drugs 

      El-Yazbi, Fawzy A; Hammud, Hassan H; Assi, Sulaf (2006)
      A new spectrofluorometric method was developed for the determination of a ternary mixture of dexamethasone, dexchlorpheniramine maleate, and fluphenazine hydrochloride in dosage forms where the literature did not reveal ...

    • New stellar (n,gamma) cross sections and the "Karlsruhe Astrophysical Database of Nucleosynthesis in Stars" 

      Dillmann, I.; Plag, R.; Domingo-Pardo, C.; Heil, M.; Kaeppeler, F.; Rauscher, T.; Thielemann, Friedrich-Karl (EDP Sciences, 2008)
      Since April 2005 a regularly updated stellar neutron cross section compilation is available online at http://nuclear-astrophysics.fzk.de/kadonis. This online-database is called the "Karlsruhe Astrophysical Database of ...

    • New Strategies towards the Next Generation of Personal Worn Bio Detector 

      Coudron, Loic; Foat, T.; Sellors, W.; Walker, M.; Rachwal, P.; Jones, J.; Despeyroux, D.; McDonnell, M.B.; McCluskey, Daniel; Munro, Ian; Johnston, Ian; Tan, Christabel; Tracey, Mark (2016-06-20)
      Although personal samplers have been used for many years in fields such as occupational hygiene to measure individual exposure to toxic materials [1], they are still not widely used by the military and civil defence agencies ...

    • New structured knowledge network for strategic decision-making in IT innovative and implementable projects 

      Alkhuraiji, Ali; Liu, Shaofeng; Oderanti, Festus Oluseyi; Megicks, Phil (2016-05-01)
      This study investigates the development of a structured knowledge network model in information technology (IT) innovative and implementable projects to facilitate knowledge sharing and transfer in a multi-organization ...

    • New Structures in Galactic Disks: Predictions and Discoveries 

      Fridman, A.M.; Khoruzhii, O.V.; Minin, V.A.; Polyachenko, E.V.; Polyachenko, V.L.; Sil'chenko, O.K.; Zasov, A.V.; Afanasiev, V.L.; Dodonov, S.N.; Moiseev, A.V.; Boulesteix, J.; Knapen, J. (Astronomical Society of the Pacific, 2001)
      Our main goal is to review: 1) some physical mechanisms which form the observed structures in galactic disks; 2) the discovery of new galactic structures predicted earlier. Specifically in the first part of the paper we ...