Results 151 to 160 of about 17,777,046 (306)
Journal of Raman Spectroscopy, EarlyView.Raman spectra containing D/G features are fit using combinations of basis functions and initial conditions. Fits with two Lorentzian functions converged to a single optimized fit even with variation of initial peak positions. For five‐band fits, sometimes the final fit varied with initial conditions, and constraints on peak center position were ...
David C. Doughty, Steven C. Hill
wiley +1 more source
Extended defects in curved spacetimes [PDF]
, 1999 This Thesis is concerned with three particular aspects of extended cosmic strings and domain walls in cosmology: their dynamics, gravitation and interaction with a black hole. In Chapter 3, we study the dynamics of an abelian-Higgs cosmic string. We find
Bonjour, F., Bonjour, Filipe
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Journal of Raman Spectroscopy, EarlyView.Common‐mode rejection (CMR) is introduced as a physics‐motivated preprocessing method for shifted excitation Raman difference spectroscopy (SERDS) that removes the shared background of paired measurements while preserving the noncommon excitation‐dependent component. Applied to more than 900 North American soil samples, CMR improves soil organic carbon
Mahsa Zarei +4 more
wiley +1 more source
Cosmic ray self-confinement close to extragalactic sources [PDF]
, 2015 Most models of the origin of ultra high energy cosmic rays rely on the existence of luminous extragalactic sources. Cosmic rays escaping the galaxy where the source is located produce a suf- ficiently large electric current to justify the investigation
Blasi, P., D'Angelo, M., AMATO, Elena
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Constraints on the speed of sound in the k-essence model of dark energy
European Physical Journal C: Particles and FieldsWe consider a k-essence scalar field model for the late-time cosmic acceleration in which the sound speed, parametrized as $$c_s$$ c s is constant. We compute the relevant background and perturbation quantities corresponding to the observables like ...
Bikash R. Dinda, Narayan Banerjee
doaj +1 more source
Journal of Raman Spectroscopy, EarlyView.This study addresses calibration drift in Raman spectroscopy by transforming 1D spectra into 2D spider plot images processed by pretrained convolutional neural networks. This visualization strategy effectively converts detrimental spectral wavenumber shifts into simple image rotations, allowing the deep learning model to maintain high classification ...
Azadeh Mokari +2 more
wiley +1 more source
Conceptual design of a charge identifier array for cosmic ray composition measurements in CALET [PDF]
, 2008 The CALorimetric Electron Telescope (CALET) mission is proposed for the observation of high energy cosmic rays and gamma radiation for the JEM-EF attached payload on the International Space Station. The instrument, equipped with an imaging calorimeter of
CALDARONE A. +13 more
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International Journal of Chemical Kinetics, EarlyView.ABSTRACT We present chemical kinetic rate constants for the cis to trans isomerisation or rotamerization of monomeric seleno‐, thio‐, and formic acids and that of three of their dimeric species, based on variational transition state theory and multidimensional tunneling calculations in the gas‐phase, from 10 K to 300 K. These provide, firstly, reliable
Judith Wurmel, John M. Simmie
wiley +1 more source
Cosmic caesious, cosmic zinnober, cosmic celadon, cosmic virescent [PDF]
Essays that trace connections between the work of Turner Prize-winning artist Tai Shani and the intellectual legacy of Charles Jencks, one of postmodernism's most playful architectural thinkers.
Shani, Tai
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Knee Surgery, Sports Traumatology, Arthroscopy, EarlyView.Abstract The integration of artificial intelligence (AI)‐equipped tools into electronic health record (EHR) platforms may drive the evolution of orthopaedic diagnosis and decision‐making, leveraging big data to generate precise and context‐aware insights.
Alexander M. Bouterse +7 more
wiley +1 more source