Now showing items 13028-13047 of 24473

    • Light scattering by complex ice-analogue crystals 

      Ulanowski, Zbigniew; Hesse, Evelyn; Kaye, Paul H.; Baran, A.J. (2006)
      Angle-dependent light scattering measurements on single ice analogues crystals are described. Phase functions and degree of linear polarization are measured for electrodynamically levitated crystals. A procedure for ...
    • Light scattering by Gaussian rough ice crystals : experimental and modelling results 

      Collier, Christopher Thomas; Hesse, Evelyn; Ulanowski, Joseph; Penttila, Antti; Nousiainen, Timo; Brousseau, Emmanuel (2013-06-17)
      It is qualitatively well understood that ice and mixed-phase clouds have an important role in the radiation balance and climate of the Earth [1,2]. However, quantitative understanding of these clouds is poor, and is one ...
    • Light scattering by ice particles in the Earth's atmosphere and related laboratory measurements 

      Ulanowski, Zbigniew; Kaye, Paul H.; Hirst, Edwin; Greenaway, Richard (University of Helsinki, 2010)
      The microphysical properties of ice crystals, such as size, shape, concavity and roughness, are important in the context of radiative properties of ice and mixed phase clouds. Limitations of current cloud probes to measure ...
    • Light scattering from deformed droplets and droplets with inclusions 1 : experimental results 

      Secker, D.R.; Kaye, Paul H.; Greenaway, R.; Hirst, E.; Bartley, D.L.; Videen, G. (2000)
    • Light scattering from deformed droplets and droplets with inclusions II : theoretical treatment 

      Videen, G.; Sun, W.; Fu, Q.; Secker, D.R.; Greenaway, R.; Kaye, Paul H.; Hirst, E.; Bartley, D.L. (2000)
      We provide theoretical results from the scattering of light by deformed liquid droplets and droplets with inclusions. With improved instrumentation and computer technologies available, researchers are able to employ ...
    • Light scattering from non-spherical airborne particles : experimental and theoretical comparisons 

      Hirst, E.; Kaye, Paul H.; Guppy, J.R. (1994)
      A laser light-scattering instrument has been designed to permit an investigation of the spatial intensity distribution of light scattered by individual airborne particles constrained within a laminar flow, with a view to ...
    • A light scattering instrument for investigating cloud ice microcrystal morphology 

      Kaye, Paul H.; Hirst, E.; Ulanowski, Z.; Hesse, E.; Greenaway, R.; DeMott, P. (2008)
      We describe an optical scattering instrument designed to assess the shapes and sizes of microscopic atmospheric cloud particles, especially the smallest ice crystals that can profoundly affect cloud processes and radiative ...
    • A Light Scattering Model for Large Particles with Surface Roughness 

      Ballington, Harry; Hesse, Evelyn (2024-09)
      A physical-optics hybrid method designed for the computation of single-scattering properties of particles with complex shapes, including surface roughness, is presented. The method applies geometric optics using a novel ...
    • Light Texture and Volumes 

      Carta, Silvio (2023-06-08)
      In this section, we showcase three recently built single family houses in Mexico that embrace their distinct settings. Each house maximizes its unique location, whether nestled within a dense pine forest or boasting breath ...
    • Light, Alpha, and Fe-Peak Element Abundances in the Galactic Bulge 

      Johnson, Christian I.; Rich, R. Michael; Kobayashi, Chiaki; Kunder, Andrea; Koch, Andreas (2014-09-09)
      We present radial velocities and chemical abundances of O, Na, Mg, Al, Si, Ca, Cr, Fe, Co, Ni, and Cu for a sample of 156 red giant branch stars in two Galactic bulge fields centered near (l,b)=(+5.25,-3.02) and (0,-12). ...
    • Lighten Up Your Life : Do Something Different 

      Fletcher, Ben; Pine, Karen (b-Flex Publishing Group, 2009)
    • Lighting the fires of entrepreneurialism? : Constructions of meaning in an English inner city academy 

      Woods, Philip; Woods, Glenys J. (2011)
      Entrepreneurialism and entrepreneurial leadership are increasingly viewed as essential to improving the capability of organisations to innovate and improve performance. This article aims to refine the conceptual understanding ...
    • Lighting up stars in chemical evolution models : the CMD of Sculptor 

      Vincenzo, Fiorenzo; Matteucci, Francesca; De Boer, Thomas J L; Cignoni, Michele; Tosi, Monica (2016-08-01)
      We present a novel approach to draw the synthetic colour–magnitude diagram (CMD) of galaxies, which can provide – in principle – a deeper insight in the interpretation and understanding of current observations. In particular, ...
    • A Lightweight Deep Learning-Based Model for Tomato Leaf Disease Classification 

      Ullah, Naeem; Khan, Javed Ali; Almakdi, Sultan; Alshehri, Mohammed S.; Qathrady, Mimonah Al; Aldakheel, Eman Abdullah; Khafaga, Doaa Sami (2023-12-26)
      Tomato leaf diseases significantly impact crop production, necessitating early detection for sustainable farming. Deep Learning (DL) has recently shown excellent results in identifying and classifying tomato leaf diseases. ...
    • Lightweight human activity recognition for ambient assisted living 

      Shahabian Alashti, Mohamad Reza; Bamorovat Abadi, Mohammad; Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (IARIA, 2023-04-28)
      Ambient assisted living (AAL) systems aim to improve the safety, comfort, and quality of life for the populations with specific attention given to prolonging personal independence during later stages of life. Human activity ...
    • Lignin carbon fibres: Properties, applications and economic efficiency 

      Ismail, Sikiru O.; Akpan, E. I. (Springer Nature, 2019-06-19)
      Lignin carbon fibres are cheaper than carbon fibres from petroleum sources, but they are yet to meet the required performance for automotive applications. They supersede petroleum-based carbon fibres in terms of cost, ...
    • Like Me? - Measures of Correspondence and Imitation 

      Nehaniv, C.L.; Dautenhahn, K. (2001)
      Imitation is a powerful mechanism for efficient learning of novel behaviors that both supports and takes advantage of sociality. A fundamental problem for imitation is to create an appropriate (partial) mapping between the ...
    • The likelihood ratio as a tool for radio continuum surveys with Square Kilometre Array precursor telescopes 

      McAlpine, Kim; Smith, Daniel; Jarvis, M.J.; bonfield, David; Fleuren, Simone (2012)
      In this paper we investigate the performance of the likelihood ratio method as a tool for identifying optical and infrared counterparts to proposed radio continuum surveys with SKA precursor and pathfinder telescopes. We ...
    • A limit on the variation of the speed of light arising from quantum gravity effects 

      Abdo, A.A.; Ackermann, M.; Ajello, M.; Asano, K.; Atwood, W.B.; Axelsson, M.; Baldini, L.; Ballet, J.; Barbiellini, G.; Baring, M. G.; Bastieri, D.; Bechtol, K.; Bellazzini, R.; Berenji, B.; Bhat, P.N.; Bissaldi, E.; Bloom, E. D.; Bonamente, E.; Bonnell, J.; Borgland, A.W.; Bouvier, A.; Bregeon, J.; Brez, A.; Briggs, M.S.; Brigida, M.; Bruel, P.; Burgess, J. M.; Burnett, T. H.; Caliandro, G.A.; Cameron, R.A.; Caraveo, P.A.; Casandjian, J.M.; Cecchi, C.; Celik, Oe; Chaplin, V.; Charles, E.; Cheung, C. C.; Chiang, J.; Ciprini, S.; Claus, R.; Cohen-Tanugi, J.; Cominsky, L. R.; Connaughton, V.; Conrad, J.; Cutini, S.; Dermer, C. D.; de Angelis, A.; de Palma, F.; Digel, S.W.; Dingus, B. L.; do couto silva, E.; Drell, P.S.; Dubois, R.; Dumora, D.; Farnier, C.; Favuzzi, C.; Fegan, S. J.; Finke, J.; Fishman, G.; Focke, W.B.; Foschini, L.; Fukazawa, Y.; Funk, S.; Fusco, P.; Gargano, F.; Gasparrini, D.; Gehrels, N.; Germani, S.; Gibby, L.; Giebels, B.; Giglietto, N.; Giordano, F.; Glanzman, T.; Godfrey, G.; Granot, J.; Greiner, J.; Grenier, I.A.; Grondin, M. -H.; Grove, J. E.; Grupe, D.; Guillemot, L.; Guiriec, S.; Hanabata, Y.; Harding, A. K.; Hayashida, M.; Hays, E.; Hoversten, E. A.; Hughes, R.E.; Johannesson, G.; Johnson, A.S.; Johnson, R. P.; Johnson, W. N.; Kamae, T.; Katagiri, H.; Kataoka, J.; Kawai, N.; Kerr, M.; Kippen, R.M.; Knoedlseder, J.; Kocevski, D.; Kouveliotou, C.; Kuehn, F.; Kuss, M.; Lande, J.; Latronico, L.; Lemoine-Goumard, M.; Longo, F.; Loparco, F.; Lott, B.; Lovellette, M. N.; Lubrano, P.; Madejski, G. M.; Makeev, A.; Mazziotta, M.N.; McBreen, S.; McEnery, J.E.; McGlynn, S.; Meszaros, P.; Meurer, C.; Michelson, P.F.; Mitthumsiri, W.; Mizuno, T.; Moiseev, A.A.; Monte, C.; Monzani, M.E.; Moretti, E.; Morselli, A.; Moskalenko, I.V.; Murgia, S.; Nakamori, T.; Nolan, P.L.; Norris, J.P.; Nuss, E.; Ohno, M.; Ohsugi, T.; Omodei, N.; Orlando, E.; Ormes, J. F.; Ozaki, M.; Paciesas, W. S.; Paneque, D.; Panetta, J. H.; Parent, D.; Pelassa, V.; Pepe, M.; Pesce-Rollins, M.; Petrosian, V.; Piron, F.; Porter, T.A.; Preece, R.; Raino, S.; Ramirez-Ruiz, E.; Rando, R.; Razzano, M.; Razzaque, S.; Reimer, A.; Reimer, O.; Reposeur, T.; Ritz, S.; Rochester, L. S.; Rodriguez, A. Y.; Roth, M.; Ryde, F.; Sadrozinski, H.F.W.; Sanchez, D.; Sander, A.; Parkinson, P. M. Saz; Scargle, J. D.; Schalk, T. L.; Sgro, C.; Siskind, E.J.; Smith, D. A.; Smith, P.D.; Spandre, G.; Spinelli, P.; Stamatikos, M.; Stecker, F. W.; Strickman, M.S.; Suson, D. J.; Tajima, H.; Takahashi, H.; Takahashi, T.; Tanaka, T.; Thayer, J. B.; Thayer, J.G.; Thompson, D.J.; Tibaldo, L.; Toma, K.; Torres, D.F.; Tosti, G.; Troja, E.; Uchiyama, Y.; Uehara, T.; Usher, T.L.; van der Horst, A. J.; Vasileiou, V.; Vilchez, N.; Vitale, V.; von Kienlin, A.; Waite, A.P.; Wang, P.; Wilson-Hodge, C.; Winer, B.L.; Wood, K.S.; Wu, X. F.; Yamazaki, R.; Ylinen, T.; Ziegler, M. (2009-11-19)
      A cornerstone of Einstein's special relativity is Lorentz invariance-the postulate that all observers measure exactly the same speed of light in vacuum, independent of photon-energy. While special relativity assumes that ...
    • Limited engagements and narrative extensions 

      Hutto, D. (2008)
      E-approaches to the mind stress the embodied, embedded and enactive nature of mental phenomena. In their more radical, non-representational variants these approaches offer innovative and powerful new ways of understanding ...