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Now showing items 836-855 of 2140

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    Forecasting the Impacts of Silver and Bighead Carp on the Lake Erie Food Web 

    Zhang, Hongyan; Rutherford, Edward S.; Mason, Doran M.; Breck, Jason T.; Wittmann, Marion E.; Cooke, Roger M.; Lodge, David M.; Rothlisberger, John D.; Zhu, Xinhua; Johnson, Timothy B. (2016)
    Nonindigenous bigheaded carps (Bighead Carp Hypophthalmichthys nobilis and Silver Carp H. molitrix; hereafter, "Asian carps" [AC]) threaten to invade and disrupt food webs and fisheries in the Laurentian Great Lakes through ...
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    Formation control for autonomous robots with collision and obstacle avoidance using a rotational and repulsive force-based approach 

    Dang, Anh D.; La, Hung M.; Nguyen, Thang; Horn, Joachim (2019)
    In this article, we address a formation control problem for a group of autonomous robots to track a moving target in the presence of obstacles. In the proposed method, desired formations, which consist of virtual nodes ...
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    Formation of polyelectrolyte multilayers: ionic strengths and growth regimes 

    Tang, Kan; Besseling, Nicolaas A. M. (2016)
    This article presents a study of layer-by-layer (LbL) formation of poly-electrolyte multilayers (PEMs). Upon increasing ionic strength LbL growth patterns vary from linear for the lowest salt concentrations ([NaCl] = 0, ...
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    Formation of the Isthmus of Panama 

    O'Dea, Aaron; Lessios, Harilaos A.; Coates, Anthony G.; Eytan, Ron I.; Restrepo-Moreno, Sergio A.; Cione, Alberto L.; Collins, Laurel S.; de Queiroz, Alan; Farris, David W.; Norris, Richard D.; Stallard, Robert F.; Woodburne, Michael O.; Aguilera, Orangel; Aubry, Marie-Pierre; Berggren, William A.; Budd, Ann F.; Cozzuol, Mario A.; Coppard, Simon E.; Duque-Caro, Herman; Finnegan, Seth; Gasparini, German M.; Grossman, Ethan L.; Johnson, Kenneth G.; Keigwin, Lloyd D.; Knowlton, Nancy; Leigh, Egbert G.; Leonard-Pingel, Jill S.; Marko, Peter B.; Pyenson, Nicholas D.; Rachello-Dolmen, Paola G.; Soibelzon, Esteban; Soibelzon, Leopoldo; Todd, Jonathan A.; Vermeij, Geerat J.; Jackson, Jeremy B. C. (2016)
    The formation of the Isthmus of Panama stands as one of the greatest natural events of the Cenozoic, driving profound biotic transformations on land and in the oceans. Some recent studies suggest that the Isthmus formed ...
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    Formation of the N (NO) N (NO) polymer at high pressure and stabilization at ambient conditions 

    Xiao, Hai; An, Qi; Goddard III, William A.; Liu, Wei-Guang; Zybin, Sergey V. (National Academy of Sciences, 2013)
    A number of exotic structures have been formed through high-pressure chemistry, but applications have been hindered by difficulties in recovering the high-pressure phase to ambient conditions (i.e., one atmosphere and 300 ...
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    Four-fold increase in solar forcing on snow in western US burned forests since 1999 

    Gleason, Kelly E.; McConnell, Joseph R.; Arienzo, Monica M.; Chellman, Nathan J.; Calvin, Wendy M. (Nature Communications, 2019)
    Forest fires are increasing across the American West due to climate warming and fire suppression. Accelerated snow melt occurs in burned forests due to increased light transmission through the canopy and decreased snow ...
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    Fractal atomic-level percolation in metallic glasses 

    Chen, David Z.; Shi, Crystal Y.; An, Qi; Zeng, Qiaoshi; Mao, Wendy L.; Goddard III, William A.; Greer, Julia R. (American Association for the Advancement of Science, 2015)
    Metallic glasses are metallic alloys that exhibit exotic material properties. They may have fractal structures at the atomic level, but a physical mechanism for their organization without ordering has not been identified. ...
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    Frax prediction without BMD for assessment of osteoporotic fracture risk. 

    Gadam, Ramesh; Schlauch, Karen A.; Izuora, Kenneth (10/1/2013)
    To compare Fracture Risk Assessment Tool (FRAX) calculations with and without bone mineral density (BMD) in predicting the 10-year probability of hip and major osteoporotic fractures (MOF).
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    From fish to frogs and beyond: Impact and host range of emergent ranaviruses 

    Price, Stephen J.; Ariel, Ellen; Maclaine, Alicia; Rosa, Goncalo M.; Grey, Matthew J.; Brunner, Jesse L.; Garner, Trenton W. J. (2017)
    Ranaviruses are pathogens of ectothermic vertebrates, including amphibians. We reviewed patterns of host range and virulence of ranaviruses in the context of virus genotype and postulate that patterns reflect significant ...
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    From Flashes to Edges to Objects: Recovery of Local Edge Fragments Initiates Spatiotemporal Boundary Formation 

    Erlikhman, Gennady; Kellman, Philip J. (2016)
    Spatiotemporal boundary formation (SBF) is the perception of illusory boundaries, global form, and global motion from spatially and temporally sparse transformations of texture elements (Shipley and Kellman, 1 993a, 1994
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    Frontoparietal tDCS Benefits Visual Working Memory in Older Adults With Low Working Memory Capacity 

    Arciniega, Hector; Gozenman, Filiz; Jones, Kevin T.; Stephens, Jaclyn A.; Berryhill, Marian E. (2018)
    Working memory (WM) permits maintenance of information over brief delays and is an essential executive function. Unfortunately, WM is subject to age-related decline. Some evidence supports the use of transcranial direct ...
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    Full-Scale Field Capacity Tests of a Railway Bridge 

    Maragakis, Emmanuel M.; Douglas, Bruce M.; Qingbin, Chen (6/1/1998)
    Full scale ultimate load tests of the bearings of the Strawberry Park Bridge were conducted in March 1995. This was a two span 148' long ballasted railway bridge, typical of many railway bridges around the country. The ...
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    Full-Scale Field Resonance Tests of a Railway Bridge 

    Maragakis, Emmanuel M.; Douglas, Bruce M.; Sandirasegaram, U. (12/1/1995)
    Field dynamic resonance tests of the Strawberry Park Underpass, a two span simply supported railway bridge located in Los Angeles, were performed by using an eccentric mass dynamic shaker. The east span of the structure ...
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    Full-Scale Field Resonance Tests of a Railway Bridge 

    Maragakis, Emmanuel M.; Douglas, Bruce M.; Sandirasegaram, U. (5/1/1997)
    This report presents the sensitivity analysis of fatigue evaluation for Nevada steel bridges. Parameters affecting applied stress ranges were studied and varied in a three-span four steel plate girder bridge to determine ...
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    Fully automated sequence alignment methods are comparable to, and much faster than, traditional methods in large data sets: an example with hepatitis B virus 

    Catanach, Therese A.; Sweet, Andrew D.; Nguyen, Nam-Phuong D.; Peery, Rhiannon M.; Debevec, Andrew H.; Thomer, Andrea K.; Owings, Amanda C.; Boyd, Bret M.; Katz, Aron D.; Soto-Adarnes, Felipe N.; Allen, Julie M. (2019)
    Aligning sequences for phylogenetic analysis (multiple sequence alignment
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    Functional and Structural Consequence of Rare Exonic Single Nucleotide Polymorphisms: One Story, Two Tales 

    Gu, Wanjun; Gurguis, Christopher I.; Zhou, Jin J.; Zhu, Yihua; Ko, Eun-A.; Ko, Jae-Hong; Wang, Ting; Zhou, Tong (2015)
    Genetic variation arising from single nucleotide polymorphisms (SNPs) is ubiquitously found among human populations. While disease-causing variants are known in some cases, identifying functional or causative variants for ...
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    Functional genomics of mountain pine beetle (Dendroctonus ponderosae) midguts and fat bodies. 

    Aw, Tidiane; Schlauch, Karen A.; Keeling, Christopher I.; Young, Sharon L.; Bearfield, Jeremy C.; Blomquist, Gary J.; Tittiger, Claus (3/30/2010)
    Background: The mountain pine beetle (Dendroctonus ponderosae) is a significant coniferous forest pest in western North America. It relies on aggregation pheromones to colonize hosts. Its three major pheromone components, ...
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    Functionalized Buckyballs for Visualizing Microbial Species in Different States and Environments 

    Cheng, Qingsu; Aravind, Ashwin; Buckley, Matthew; Gifford, Andrew; Parvin, Bahram (Scientific Reports, 2015)
    To date, in situ visualization of microbial density has remained an open problem. Here, functionalized buckyballs (e.g., C60-pyrrolidine tris acid) are shown to be a versatile platform that allows internalization within a ...
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    Fusion of encoder-decoder deep networks improves delineation of multiple nuclear phenotypes 

    Khoshdeli, Mina; Winkelmaier, Garrett; Parvin, Bahram (2018)
    Nuclear segmentation is an important step for profiling aberrant regions of histology sections. If nuclear segmentation can be resolved, then new biomarkers of nuclear phenotypes and their organization can be predicted for ...