550 resultados para Tomasi, Dominic
Resumo:
One of the most important lessons learned during the 2008-09 financial crisis was that the informational toolbox on which policymakers base their decisions about competitiveness became outdated in terms of both data sources and data analysis. The toolbox is particularly outdated when it comes to tapping the potential of micro data for the analysis of competitiveness – a serious problem given that it is firms, rather than countries that compete on global markets.
Resumo:
The FANOVA (or “Sobol’-Hoeffding”) decomposition of multivariate functions has been used for high-dimensional model representation and global sensitivity analysis. When the objective function f has no simple analytic form and is costly to evaluate, computing FANOVA terms may be unaffordable due to numerical integration costs. Several approximate approaches relying on Gaussian random field (GRF) models have been proposed to alleviate these costs, where f is substituted by a (kriging) predictor or by conditional simulations. Here we focus on FANOVA decompositions of GRF sample paths, and we notably introduce an associated kernel decomposition into 4 d 4d terms called KANOVA. An interpretation in terms of tensor product projections is obtained, and it is shown that projected kernels control both the sparsity of GRF sample paths and the dependence structure between FANOVA effects. Applications on simulated data show the relevance of the approach for designing new classes of covariance kernels dedicated to high-dimensional kriging.
Resumo:
Le papier bioactif est obtenu par la modification de substrat du papier avec des biomolécules et des réactifs. Ce type de papier est utilisé dans le développement de nouveaux biocapteurs qui sont portables, jetables et économiques visant à capturer, détecter et dans certains cas, désactiver les agents pathogènes. Généralement les papiers bioactifs sont fabriqués par l’incorporation de biomolécules telles que les enzymes et les anticorps sur la surface du papier. L’immobilisation de ces biomolécules sur les surfaces solides est largement utilisée pour différentes applications de diagnostic comme dans immunocapteurs et immunoessais mais en raison de la nature sensible des enzymes, leur intégration au papier à grande échelle a rencontré plusieurs difficultés surtout dans les conditions industrielles. Pendant ce temps, les microcapsules sont une plate-forme intéressante pour l’immobilisation des enzymes et aussi assez efficace pour permettre à la fonctionnalisation du papier à grande échelle car le papier peut être facilement recouvert avec une couche de telles microcapsules. Dans cette étude, nous avons développé une plate-forme générique utilisant des microcapsules à base d’alginate qui peuvent être appliquées aux procédés usuels de production de papier bioactif et antibactérien avec la capacité de capturer des pathogènes à sa surface et de les désactiver grâce à la production d’un réactif anti-pathogène. La conception de cette plate-forme antibactérienne est basée sur la production constante de peroxyde d’hydrogène en tant qu’agent antibactérien à l’intérieur des microcapsules d’alginate. Cette production de peroxyde d’hydrogène est obtenue par oxydation du glucose catalysée par la glucose oxydase encapsulée à l’intérieur des billes d’alginate. Les différentes étapes de cette étude comprennent le piégeage de la glucose oxydase à l’intérieur des microcapsules d’alginate, l’activation et le renforcement de la surface des microcapsules par ajout d’une couche supplémentaire de chitosan, la vérification de la possibilité d’immobilisation des anticorps (immunoglobulines G humaine comme une modèle d’anticorps) sur la surface des microcapsules et enfin, l’évaluation des propriétés antibactériennes de cette plate-forme vis-à-vis l’Escherichia coli K-12 (E. coli K-12) en tant qu’un représentant des agents pathogènes. Après avoir effectué chaque étape, certaines mesures et observations ont été faites en utilisant diverses méthodes et techniques analytiques telles que la méthode de Bradford pour dosage des protéines, l’électroanalyse d’oxygène, la microscopie optique et confocale à balayage laser (CLSM), la spectrométrie de masse avec désorption laser assistée par matrice- temps de vol (MALDI-TOF-MS), etc. Les essais appropriés ont été effectués pour valider la réussite de modification des microcapsules et pour confirmer à ce fait que la glucose oxydase est toujours active après chaque étape de modification. L’activité enzymatique spécifique de la glucose oxydase après l’encapsulation a été évaluée à 120±30 U/g. Aussi, des efforts ont été faits pour immobiliser la glucose oxydase sur des nanoparticules d’or avec deux tailles différentes de diamètre (10,9 nm et 50 nm) afin d’améliorer l’activité enzymatique et augmenter l’efficacité d’encapsulation. Les résultats obtenus lors de cette étude démontrent les modifications réussies sur les microcapsules d’alginate et aussi une réponse favorable de cette plate-forme antibactérienne concernant la désactivation de E. coli K-12. La concentration efficace de l’activité enzymatique afin de désactivation de cet agent pathogénique modèle a été déterminée à 1.3×10-2 U/ml pour une concentration de 6.7×108 cellules/ml de bactéries. D’autres études sont nécessaires pour évaluer l’efficacité de l’anticorps immobilisé dans la désactivation des agents pathogènes et également intégrer la plate-forme sur le papier et valider l’efficacité du système une fois qu’il est déposé sur papier.
Resumo:
Recent intensification of wind-driven upwelling of warm upper circumpolar deep water (UCDW) has been linked to accelerated melting of West Antarctic ice shelves and glaciers. To better assess the long term relationship between UCDWupwelling and the stability of theWest Antarctic Ice Sheet, we present a multi-proxy reconstruction of surface and bottom water conditions in Marguerite Bay, West Antarctic Peninsula (WAP), through the Holocene. A combination of sedimentological, diatom and foraminiferal records are, for the first time, presented together to infer a decline in UCDW influence within Marguerite Bay through the early to mid Holocene and the dominance of cyclic forcing in the late Holocene. Extensive glacial melt, limited sea ice and enhanced primary productivity between 9.7 and 7.0 ka BP is considered to be most consistent with persistent incursions of UCDW through Marguerite Trough. From 7.0 ka BP sea ice seasons increased and productivity decreased, suggesting that UCDW influence within Marguerite Bay waned, coincident with the equatorward migration of the Southern Hemisphere Westerly Winds (SWW). UCDW influence continued through the mid Holocene, and by 4.2 ka BP lengthy sea ice seasons persisted within Marguerite Bay. Intermittent melting and reforming of this sea ice within the late Holocene may be indicative of episodic incursions of UCDW into Marguerite Bay during this period. The cyclical changes in the oceanography within Marguerite Bay during the late Holocene is consistent with enhanced sensitively to ENSO forcing as opposed to the SWW-forcing that appears to have dominated the early to mid Holocene. Current measurements of the oceanography of the WAP continental shelf suggest that the system has now returned to the early Holocene-like oceanographic configuration reported here, which in both cases has been associated with rapid deglaciation.
Resumo:
A total of 51,074 archaeological sites from the early Neolithic to the early Iron Age (c. 8000-500 BC), with a spatial extent covering most regions of China (c. 73-131°E and c. 20-53°N), were analysed over space and time in this study. Site maps of 25 Chinese provinces, autonomous regions and municipalities, published in the series 'Atlas of Chinese Cultural Relics', were used to extract, digitalise and correlate its archaeological data. The data were, in turn, entered into a database using a self-developed mapping software that makes the data, in a dynamic way, analysable as a contribution to various scientific questions, such as population growth and migrations, spread of agriculture and changes in subsistence strategies. The results clearly show asynchronous patterns of changes between the northern and southern parts of China (i.e. north and south of the Yangtze River, respectively) but also within these macro-regions. In the northern part of China (i.e. along the Yellow River and its tributaries and in the Xiliao River basin), the first noticeable increase in the concentration of Neolithic sites occurred between c. 5000 and 4000 BC; however, highest site concentrations were reached between c. 2000 and 500 BC. Our analysis shows a radical north-eastern shift of high site-density clusters (over 50 sites per 100 * 100 km grid cell) from the Wei and middle/lower Yellow Rivers to the Liao River system sometime between 2350 BC and 1750 BC. This shift is hypothetically discussed in the context of the incorporation of West Asian domesticated animals and plants into the existing northern Chinese agricultural system. In the southern part of China, archaeological sites do not show a noticeable increase in the absolute number of sites until after c. 1500 BC, reaching a maximum around 1000 BC.
Resumo:
Back Row: coaches Jerry Hanlon, Chuck Stobart, Gary Moeller, Tom Reed, Jack Harbaugh, Elliott Uzelac, Dennis Brown, Bill McCartney, Jed Hughes, Tirrell Burton
8th Row: *Woody Brown, Jeff Golombiskey, Mike Smith, Rob Carian, Roger Bettis, *Kerry Bankus, Rex Mackall, Bill Cargile, *Bob Snyder, Greg Bartnick, Dave Harding, Dennis Richardson, Max Richardson, *Chuck Palanca
7th Row: Jim Pickens, Andy Jackson, Steve Nauta, Kevin King, Shaun Szenderski, Mike Kenn, *Mike Pawlowicz, Bill Dufek, Walt Downing, Mark Donahue, Paul Moore, Dominic Tedesco, Scott Corbin, John Anderson
6th Row: Derek Howard, Ken Bush, Al Canaday, Phil Brown, Curt Stephenson, Jim Hackett, Terry Stefan, Jack Heffernan, *Steve Nault, Roger Szafranski, Bill Heneveld, Aubrey Miller, Alex Johnson, Joe Holland, Dwight Hicks
5th Row: Jim Bolden, Darrell Truitt, Jerry Zuver, Steve Anderson, Pete Traber, Phil Andrews, Jim Hall, *Gary Zolciak, *Mike Boik, Jerry Vogele, Gerry Szara, Bob Lang, Steve Graves, Eric Phelps, John Ceddia
4th Row: Bob Wood, Rob Lytle, John Hennessey, Jerry Collins, Mike Strabley, *Alan Wheeler, *Matt Caputo, Chuck Randolph, Greg Strinko, Rick Koschalk, Mike Holmes, Mike Coyne, Frank Moore, Jim Smith, Phil Brumbaugh
3rd Row: Dave Whiteford, *Eduardo Gonzales, Gordon Bell, Dave Devich, Les Miles, Dan Jilek, Calvin O'Neal, Kirk Lewis, Jim Czirr, Greg Morton, Tim Davis, Keith Johnson, George Przygodski, Mark Elzinga, Jack Fairbanks
2nd Row: *Glen Franklin, Jeff Perlinger, Mike Lantry, Jim Armour, Pat Tumpane, Carl Russ, Greg DenBoer, Dave Metz, Steve Strinko, Dennis Franks, Bill Hoban, Steve King, Tom Jensen, Don Dufek, coach Bo Schembechler
Front Row: Mark Jacoby, Kurt Kampe, *Kevin Casey, Larry Johnson, Dave Elliott, Tom Drake, co-captain Dave Brown, Chuck Heater, co-captain Dennis Franklin, Gil Chapman, Geoff Steger, Harry Banks, Larry Banks, Jeff Spahn, Doug McKenzie
* did not remain with team for the season
Resumo:
Back Row: Chris Grieves, Bob Franks, Gregg Willner, Dave Goldwaithe, Mark Slaughter, John Mandich, Pat Watts, James Blue, Nick Labun, Tony Woodford, C. Newhof, Jeff Lawley
9th Row: Steve Knickerbocker, Kyron Williams, Stacy Johnson, John Weisenburger, Bob Hollway, Chip Pederson, Dale Keitz, Tim Malinak, Leon Richardson, Rock Lindsay, Lewis Smith, Woody Brown
8th Row: Scott Smith, Mark Braman, Bob Patek, Jon Giesler, Mark Torzy, Curtis Greer, William Jackson, Jerry Meter, Rick Leach, Dave Stavale, Tom Melita
7th Row: Mike Smith, Tom Seabron, Mark DeSantis, Frank Bell, Harlan Huckleby, Gene Johnson, Mark Schmerge, Russell Davis, John Arbeznik, Andy Jackson, Dennis Richardson
6th Row: Joe Holland, Steve Nauta, Kevin King, Max Richardson, Dave Harding, Mike Kenn, Dominic Tedesco, Jim Pickens, Ray Johnson, Phil Brown, Ken Bush, Roger Bettis
5th Row: Roger Szafranski, Dwight Hicks, Scott Corbin, Mark Donahue, Bill Dufek, Rex Mackall, John Anderson, Derek Howard, Greg Bartnick, Walt Downing, Terry Stefan, Asst. Coach Bill McCartney
4th Row: Asst. Coach Paul Schudel, Curt Stephenson, Rob Carian, Phil Andrews, Eric Phelps, Steve Graves, Gerry Szara, Jim Hackett, Pete Traber, Steve Anderson, Bob Wood, Darrell Truitt, Phil Brumbaugh, Asst. Coach Jack Harbaugh
3rd Row: Asst. Coach Gary Moeller, Asst. Coach Tom Reed, Asst. Coach Jed Hughes, Jerry Zuver, Rick White, Jim Hall, Mike Strabley, Jerry Vogele, Jim Smith, Rob Lytle, John Hennessy, Bob Lang, Jim Bolden, John Ceddia, A. Miller, Asst. Coach Dennis Brown
2nd Row: Asst. Coach Tirrel Burton, Asst. Coach Jerry Hanlon, Greg Morton, Tom Jensen, George Przygodski, Mike Holmes, Co-Captain Kirk Lewis, Jeff Perlinger, Steve King, Dan Jilek, Jim Czirr, Bill Hoban, Calvin O'Neal, Chuck Randolph, Asst. Coach Chuck Stobart
Front Row: Mark Elzinga, Jerry Collins, Kurt Kampe, Rick Koschalk, Dave Devich, Co-captain Gordon Bell, Co-Captain Don Dufek, Tim Davis, Keith Johnson, Les Miles, Dave Whiteford, Greg Strinko, Head Coach Bo Schembechler
Resumo:
Back Row: Asst. coaches Bob Thornbladh, Tom Reed, Jerry Hanlon, Tirrel Burton, Tim Davis, Bill McCartney, Jack Harbaugh, Paul Schudel, Dennis Brown, Don Nehlen, Barry Pierson, Jerry Zuver, Eqp. Mgr. Jon Falk, Trainer Lindsy McLean
8th Row: Marcus Bond, Chuck Christian, Greg Wunderli, Kurt Becker, Tony Osbun, Dan Kwiatkowski, Tom Wandersleben, Fred Motley, Andy Cannavino, Mike Kligis, Jim Breaugh, Oliver Johnson
7th Row: Kirk Yearian, B.J. Dickey, Alan Mitchell, Rodney Feaster, Stanley Edwards, Mike Trgovac, Dave Nicolau, Jeff Jackson, Neal Ginley, Kelley Keough, John Prepolec, Ben Needham, Stuart Harris, Rick Jones
6th Row: Derek Williams, Tony Woodford, Jay Allen, James Humphries, David Payne, Tom Keller, Ron Pratl, Rich Novak, David Angood, Craig Page, Dan Murray, Thomas Moss, Larry Jones, Brian Virgil
5th Row: Roger Gaudette, Virgil Williams, Gerald Diggs, Gene Bell, Dave Kadela, Gary Quinn, Ralph Clayton, Chuck Hetts, Mel Owens, Gary Weber, John Wangler, Keith Gilmore, Irvin Johnson, Tony Leoni, Jim Kozlowski
4th Row: Sr. Mgr. Don DiPaolo, Nick Labun, Mike Harden, Michael Davis, Lawrence Reid, Mike Jolly, John Powers, Chris Godfrey, Jeff Bednarek, George Lilja, Mike Leoni, Doug Marsh, Ron Simpkins, Roosevelt Smith, Gregg Willner, Tim Malinak
3rd Row: Ed Kasparek, Mark Braman, Bob Patek, Stacy Johnson, Dale Keitz, John Arbeznik, Curtis Greer, Jon Giesler, Chip Pederson, Mark DeSantis, Mark Torzy, Rock Lindsay, William Jackson, Bob Hollway, Tom Melita
2nd Row: Max Richardson, Curt Stephenson, Derek Howard, Steve Graves, John Anderson, Bill Dufek, Mark Donahue, Co-captain Walt Downing, Garry Szara, Mike Kenn, Rick White, Dominic Tedesco, Jim Pickens, Kevin King, Co-captain Dwight Hicks, Head Coach Bo Schembechler
Front Row: Raymond Johnson, Roger Bettis, Mike Smith, Russell Davis, Tom Seabron, Gene Johnson, Steve Nauta, Rex Mackall, Greg Bartnick, Dave Harding, Mark Schmerge, Jerry Meter, Rick Leach, Harlan Huckleby, Woody Brown
Resumo:
[Tom Peters0n (33) with ball, Tomasi (65), Leo Koceski (18), Ralph Kohl (76), Chuck Ortmann]
Resumo:
Bibliography: p. [xi]-xxvi.
Resumo:
"May 2002"--Prelim. p.
Resumo:
The members of this committee of the National research council, Division of Physical Sciences, are: Francis D. Murnaghan, Chairman; H. Bateman, H. L. Dryden, Rear Admiral D. W. Taylor, S. M. Woodward.
Resumo:
Mode of access: Internet.
Resumo:
Tomo primero: Concepción, nacimiento, infancia y niñez del hombre.
Resumo:
Mode of access: Internet.