Search Results - "Wagner, R M"
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Six months of multiwavelength follow-up of the tidal disruption candidate ASASSN-14li and implied TDE rates from ASAS-SN
Published in Monthly notices of the Royal Astronomical Society (21-01-2016)“…We present ground-based and Swift photometric and spectroscopic observations of the candidate tidal disruption event (TDE) ASASSN-14li, found at the centre of…”
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Ageing mechanisms in lithium-ion batteries
Published in Journal of power sources (09-09-2005)“…The rechargeable lithium-ion battery has been extensively used in mobile communication and portable instruments due to its many advantages, such as high…”
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Synoptic studies of 17 blazars detected in very high-energy γ-rays
Published in Monthly notices of the Royal Astronomical Society (21-03-2008)“…Since 2002, the number of detected blazars at γ-ray energies above 100 GeV has more than doubled. I study 17 blazars currently known to emit E > 100 GeV…”
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4
Thermal conductivity and air-mediated losses in periodic porous silicon membranes at high temperatures
Published in Nature communications (04-09-2017)“…Heat conduction in silicon can be effectively engineered by means of sub-micrometre porous thin free-standing membranes. Tunable thermal properties make these…”
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5
V445 Puppis: Dustier than a Thousand Novae
Published in Astrophysical journal. Letters (01-08-2023)“…Abstract V445 Puppis, the only known Galactic helium nova, is a unique test bed to verify supernova (SN) theories in the single-degenerate channel that involve…”
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The evolution of quantitative traits in complex environments
Published in Heredity (01-01-2014)“…Species inhabit complex environments and respond to selection imposed by numerous abiotic and biotic conditions that vary in both space and time. Environmental…”
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Nanoscale Imaging of InN Segregation and Polymorphism in Single Vertically Aligned InGaN/GaN Multi Quantum Well Nanorods by Tip-Enhanced Raman Scattering
Published in Nano letters (10-07-2013)“…Vertically aligned GaN nanorod arrays with nonpolar InGaN/GaN multi quantum wells (MQW) were grown by MOVPE on c-plane GaN-on-sapphire templates. The chemical…”
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Multiple major outbursts from a restless luminous blue variable in NGC 3432
Published in Monthly notices of the Royal Astronomical Society (11-10-2010)“…We present new photometric and spectroscopic observations of an unusual luminous blue variable (LBV) in NGC 3432, covering three major outbursts in 2008…”
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Phonon pressure coefficients and deformation potentials of wurtzite AlN determined by uniaxial pressure-dependent Raman measurements
Published in Physical review. B, Condensed matter and materials physics (07-11-2014)“…We studied bulk crystals of wurtzite AlN by means of uniaxial pressure-dependent Raman measurements. As a result, we derive the phonon pressure coefficients…”
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10
Characteristics of cyclic heat release variability in the transition from spark ignition to HCCI in a gasoline engine
Published in Applied energy (2011)“…We study selected examples of previously published cyclic heat-release measurements from a single-cylinder gasoline engine as stepwise valve timing adjustments…”
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Analysis of heat release dynamics in an internal combustion engine using multifractals and wavelets
Published in Applied energy (01-05-2010)“…In this paper we analyze data from previously reported experimental measurements of cycle-to-cycle combustion variations in a lean-fueled, multi-cylinder…”
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12
Size-dependent recombination dynamics in ZnO nanowires
Published in Applied physics letters (01-02-2010)“…A deep understanding of the recombination dynamics of ZnO nanowires (NWs) is a natural step for a precise design of on-demand nanostructures based on this…”
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13
Long-term impacts of stand management on ponderosa pine physiology and bark beetle abundance in northern Arizona: A replicated landscape study
Published in Forest ecology and management (24-10-2005)“…Ponderosa pine ( Pinus ponderosa Dougl. ex Laws.) forests in northern Arizona have degraded due to overgrazing, logging, and fire suppression that accompanied…”
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X-Ray and Optical Variability in NGC 4051 and the Nature of Narrow-Line Seyfert 1 Galaxies
Published in The Astrophysical journal (10-10-2000)Get full text
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Using a phenomenological computer model to investigate advanced combustion trajectories in a CIDI engine
Published in Fuel (Guildford) (01-05-2011)“…This paper summarizes results from simulations of conventional, high-dilution, and high-efficiency clean combustion in a diesel engine based on a two-zone…”
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Suppression of the quantum-confined Stark effect in polar nitride heterostructures
Published in Communications physics (23-08-2018)“…Recently, we suggested an unconventional approach (the so-called Internal-Field-Guarded-Active-Region Design “IFGARD”) for the elimination of the…”
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New Elemental Abundances for V1974 Cygni
Published in The Astrophysical journal (10-05-2005)“…We present a new analysis of existing optical and ultraviolet spectra of the ONeMg nova V1974 Cygni 1992. Using these data and the photoionization code Cloudy,…”
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Correlated X-Ray and Optical Variability in V404 Cygni in Quiescence
Published in The Astrophysical journal (20-08-2004)Get full text
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Confirmation of a Second Propeller: A High-inclination Twin of AE Aquarii
Published in The Astrophysical journal (01-08-2021)“…Abstract For decades, AE Aquarii (AE Aqr) has been the only cataclysmic variable star known to contain a magnetic propeller: a persistent outflow whose…”
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Discovery and Evolution of an Unusual Luminous Variable Star in NGC 3432 (Supernova 2000ch)
Published in Publications of the Astronomical Society of the Pacific (01-04-2004)“…We present photometric and spectroscopic observations of SN 2000ch, an unusual and extremely luminous variable star located in the galaxy NGC 3432. The object…”
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