نتایج جستجو برای: assimilation

تعداد نتایج: 19357  

Journal: :Phonetica 2014
Michael D. Tyler Catherine T. Best Alice Faber Andrea G. Levitt

Research on language-specific tuning in speech perception has focused mainly on consonants, while that on non-native vowel perception has failed to address whether the same principles apply. Therefore, non-native vowel perception was investigated here in light of relevant theoretical models: the Perceptual Assimilation Model (PAM) and the Natural Referent Vowel (NRV) framework. American-English...

2006
Scott Longmore Andrew S. Jones Adam Carheden Thomas H. Vonder Haar Tomi Vukicevic

The Regional Atmospheric Modeling and Data Assimilation System (RAMDAS) is a 4 dimensional variational analysis (4DVAR) data assimilation algorithm (Zupanski et. al. 2004) developed at the Cooperative Institute for Research in the Atmosphere (CIRA) at Colorado State University (CSU). The current version of RAMDAS assimilates satellite observations from the Geostationary Operational Environmenta...

2011
Adrian Sandu Tianfeng Chai Daewon Byun

Chemical data assimilation is the process by which models use measurements to produce an optimal representation of the chemical composition of the atmosphere. Leveraging advances in algorithms and increases in the available computational power, the integration of numerical predictions and observations has started to play an important role in air quality modeling. This paper gives an overview of...

2015
Haidong Xue HAIDONG XUE Xiaolin Hu

Simulation models are widely used for studying and predicting dynamic behaviors of complex systems. Inaccurate simulation results are often inevitable due to imperfect model and inaccurate inputs. With the advances of sensor technology, it is possible to collect large amount of real time observation data from real systems during simulations. This gives rise to a new paradigm of Dynamic Data Dri...

Journal: :Journal of bacteriology 1962
M G Duncan J J Campbell

Duncan, Margaret G. (The University of British Columbia, Vancouver, British Columbia, Canada) and J. J. R. Campbell. Oxidative assimilation of glucose by Pseudomonas aeruginosa. J. Bacteriol. 84:784-792. 1962-Oxidative assimilation of glucose by washed-cell suspensions of Pseudomonas aeruginosa was studied using C(14)-labeled substrate. At the time of glucose disappearance, only small amounts o...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2005
Misa Takahashi Daisuke Konaka Atsushi Sakamoto Hiromichi Morikawa

In order to investigate nocturnal uptake and assimilation of NO2 by C3 and crassulacean acid metabolism (CAM) plants, they were fumigated with 4 microl l(-1) 15N-labeled nitrogen dioxide (NO2) for 8 h. The amount of NO2 and assimilation of NO2 by plants were determined by mass spectrometry and Kjeldahl-nitrogen based mass spectrometry, respectively. C3 plants such as kenaf (Hibiscus cannabinus)...

2005
Minjung Son Alexei Kochetov Marianne Pouplier

Opposing views have emerged in phonological and phonetic theory on whether perceptual place assimilation is exclusively attributable to gestural reduction or can be triggered by gestural overlap as well. Specifically, regressive place assimilation in Korean /pk/ clusters has been used as argument for the hypothesis that gestural reduction is uniquely responsible for perceptual place assimilatio...

2006
BENJAMIN R. EDWARDS JAMES K. RUSSELL

We explore the potential effects of magmatic assimilation on mineral growth and mineral zoning in an alkali olivine basaltic magma using both equilibrium thermodynamics and kinetics. The equilibrium-model calculations simulate fractional crystallization alone (closed system) and coupled assimilation fractional crystallization (AFC) (open system); the models predict the assemblages ofmagmatig mi...

Journal: :Language and speech 2001
A Weber

Four phoneme-detection studies tested the conclusion from recent research that spoken-language processing is inhibited by violation of obligatory assimilation processes in the listeners' native language. In Experiment 1, native listeners of German detected a target fricative in monosyllabic Dutch nonwords, half of which violated progressive German fricative place assimilation. In contrast to th...

2003
Anne Molcard Leonid I. Piterbarg Annalisa Griffa Tamay M. Özgökmen Arthur J. Mariano

[1] In light of the increasing number of drifting buoys in the ocean and recent advances in the realism of ocean general circulation models toward oceanic forecasting, the problem of assimilation of Lagrangian observations data in Eulerian models is investigated. A new and general rigorous approach is developed based on optimal interpolation (OI) methods, which takes into account directly the L...

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