Browsing Articles by Title

Now showing items 690-709 of 761

T and F asymmetries in [pi superscript 0] photoproduction on the proton

Annand, J. R. M.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Collicott, Cristina; Costanza, S.; Downie, E. J.; Sarty, Adam James, 1965- (American Physical Society, 2016-05-31)

The [gamma]p [right arrow] [pi superscript 0]p reaction was studied at laboratory photon energies from 425 to 1445 MeV with a transversely polarized target and a longitudinally polarized beam. The beam-target asymmetry F ...
Targeting butyrylcholinesterase for preclinical single photon emission computed tomography (SPECT) imaging of Alzheimer's disease

DeBay, Drew R.; Reida, George A.; Pottie, Ian R.; Martin, Earl; Bowen, Chris V.; Darvesh, Sultan (Elsevier B.V.Wiley, 2017-02-23)

Introduction: Diagnosis of Alzheimer's disease (AD) in vivo, by molecular imaging of amyloid or tau, is constrained because similar changes can be found in brains of cognitively normal individuals. ...
Taxonomy and molecular phylogeny of Myxobolus bilobus n. sp. (Myxozoa) parasitizing Notemigonus crysoleucas (Cyprinidae) in Algonquin Park, Ontario, Canada

Cone, David Knight; Yang, Jing; Sun, Genlou; Easy, Russell (Inter-Research, 2005-09-23)

Myxobolus bilobus n. sp. (Myxozoa) is described from golden shiner Notemigonus crysoleucas in Algonquin Park, Ontario, Canada. Plasmodia develop at the distal end of gill filaments, where they form a novel-shaped plasmodium ...
A Taxonomy of Methodological Approaches in Recent Canadian Legal History

Brown, R. Blake (University of New Brunswick, 2004)
Territoriality and mating behavior of the male Brown-headed Cowbird

Darley, James A. (University of California Press, 1982-02)

The social behavior of 154 banded male Brown-headed Cowbirds (Molothrus ater) was studied at London, Ontario in 1966 and 1967. Aggressive encounters between them appeared to involve either the establishment and maintenance ...
Testing the constancy of the gravitational constant using helioseismology

Guenther, David B.; Krauss, L. M.; Demarque, P. (American Astronomical Society, 1998-05-10)

We compare the p-mode oscillation spectra of solar models, constructed under the assumption that the universal gravitation constant G varied monotonically over the course of the solar lifetime, to the most recent solar ...
Theoretical p-mode oscillation frequencies for the rapidly rotating [delta] Scuti star [alpha] Ophiuchi

Deupree, Robert G. (Robert Gaston), 1946- (IOP Publishing Limited, 2011-11-20)

A rotating, two-dimensional stellar model is evolved to match the approximate conditions of α Oph. Both axisymmetric and nonaxisymmetric oscillation frequencies are computed for two-dimensional rotating models which ...
A Theoretical Proposal for Examining the Integration of Cooperative and Competitive Mothering Behavior

Fisher, Maryanne; Burch, Becky; Sokol-Chang, Rosemarie I. (International Society for Human Ethology, 2017-03-30)

Over the course of evolutionary history, women have faced situations where they presumably have needed to both compete and cooperate with the same group of kin and non-kin individuals for the purposes of advancing reproductive ...
Thin disc, thick disc and halo in a simulated galaxy

Gibson, Brad K.; Brook, C. B.; Stinson, G. S.; Kawata, D.; House, E. L.; Miranda, M. S.; Maccio, A. V.; Pilkington, K.; Roskar, R.; Wadsley, J. (Royal Astronomical Society, 2012-10)

Within a cosmological hydrodynamical simulation, we form a disc galaxy with subcomponents which can be assigned to a thin stellar disc, thick disc and a low-mass stellar halo via a chemical decomposition. The thin- and ...
Threshold [pi superscript 0] photoproduction on transverse polarised protons at MAMI

Schumann, S.; Otte, P. B.; Akondi, C. S.; Annand, J. R. M.; Arends, H.-J.; Beck, R.; Bernstein, A. M.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Collicott, Cristina; Costanza, S.; Downie, E. J.; Dieterle, M.; Fernández-Ramírez, C.; Fix, A.; Fil'kov, L. V.; Garni, S.; Glazier, D. I.; Gradl, W.; Gurevich, G.; Hall-Barrientos, P.; Hamilton, D.; Hornidge, D.; Howdle, D.; Huber, G. M.; Kashevarov, V. L.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Krusche, B.; Lazarev, A.; Lisin, V.; Livingston, K.; MacGregor, I. J. D.; Mancel, J.; Manley, D. M.; Martel, P. P.; McNicoll, E. F.; Meyer, W.; Middleton, D.; Miskimen, R.; Mushkarenkov, A.; Nefkens, B. M. K.; Neganov, A.; Nikolaev, A.; Oberle, M.; Ostrick, M.; Ortega, H.; Ott, P.; Oussena, B.; Paudyal, D.; Pedroni, P.; Polonski, A.; Polyanski, V. V.; Prakhov, S.; Reicherz, G.; Rostomyan, T.; Sarty, Adam James, 1965-; Sikora, M. H.; Sokhoyan, V.; Steffen, O.; Strakovsky, I. I.; Strub, Th.; Supek, I.; Tiator, L.; Thomas, A.; Unverzagt, M.; Usov, Yu. A.; Watts, D. P.; Werthmüller, D.; Witthauer, L.; Wolfes, M. (Elsevier, 2015-09-14)

Polarisation-dependent differential cross sections [sigma][subscript Tau] associated with the target asymmetry [Tau] have been measured for the reaction [gamma arrow over p] [right arrow] p[pi superscript 0] with transverse ...
Tibet as a potential domestication center of cultivated barley of China

Sun, Genlou; Ren, Xifeng; Nevo, Eviatar; Sun, Dongfa (Public Library of Science, 2013-05-03)

The importance of wild barley from Qinghai-Tibet Plateau in the origin and domestication of cultivated barley has long been underestimated. Population-based phylogenetic analyses were performed to study the origin and ...
Toward a new kind of asteroseismic grid fitting

Gruberbauer, Michael; Guenther, David B.; Kallinger, T. (American Astronomical Society, 2012-04-20)

Recent developments in instrumentation (e.g., in particular the Kepler and CoRoT satellites) provide a new opportunity to improve the models of stellar pulsations. Surface layers, rotation, and magnetic fields imprint ...
Toward Sustainable Environmental Quality: Priority Research Questions for North America

Fairbrother, Anne; Muir, Derek C. G., 1949-; Solomon, Keith R.; Ankley, Gerald T. (Gerald Thomas), 1959-; Rudd, Murray A.; Boxall, Alistair B.A.; Apell, Jennifer N.; Armbrust, Kevin L.; Blalock, Bonnie J.; Bowman, Sarah R.; Campbell, Linda M., 1970-; Cobb, George P.; Connors, Kristin A.; Dreier, David A.; Evans, Marlene S.; Henry, Carol J.; Hoke, Robert Alan; Houde, Magali; Klaine, Stephen J.; Klaper, Rebecca D.; Kullik, Sigrun A.; Lanno, Roman P. (Roman Peter), 1958-; Meyer, Charles; Ottinger, Mary Ann; Oziolor, Elias; Petersen, Elijah J.; Poynton, Helen C.; Rice, Pamela J.; Rodriguez‐Fuentes, Gabriela; Samel, Alan; Shaw, Joseph R.; Steevens, Jeffery A.; Verslycke, Tim A.; Vidal‐Dorsch, Doris E.; Weir, Scott M.; Wilson, Peter; Brooks, Bryan W. (Wiley, 2019-08)

Anticipating, identifying, and prioritizing strategic needs represent essential activities by research organizations. Decided benefits emerge when these pursuits engage globally important environment and health goals, ...
Towards An Integrative Understanding of Soil Biodiversity

Thakur, Madhav P.; Phillips, Helen R. P.; Brose, Ulrich; De Vries, Franciska T.; Lavelle, Patrick; Loreau, Michel; Mathieu, Jerome; Mulder, Christian; Van der Putten, Wim H.; Rilli, Matthias C.; Wardle, David A.; Bach, Elizabeth M.; Bartz, Marie L. C.; Bennett, Joanne M.; Briones, Maria J. I.; Brown, George; Decaens, Thibaud; Eisenhauer, Nico; Ferlian, Olga; Guerra, Carlos Antonio; Konig-Ries, Birgitta; Orgiazzi, Alberto; Ramirez, Kelly S.; Russell, David J.; Rutgers, Michiel; Wall, Diana H.; Cameron, Erin K. (John Wiley & Sons, Ltd, 2020-04)

Soil is one of the most bio diverse terrestrial habitats. Yet, we lack an integrative conceptual framework for understanding the patterns and mechanisms driving soil biodiversity. One of the underlying reasons for our poor ...
Towards modelling X-ray reverberation in AGN: piecing together the extended corona

Wilkins, D. R.; Cackett, E. M.; Fabian, A. C.; Reynolds, C. S. (Oxford University Press, 2016-05-01)

Models of X-ray reverberation from extended coronae are developed from general relativistic ray tracing simulations. Reverberation lags between correlated variability in the directly observed continuum emission and that ...
Towards the Elusive Synthesis: The Atlantic Provinces in Recent General Treatments of Canadian History

Reid, John G., 1948- (University of New Brunswick, 1987)
Transcriptome analysis reveals plant response to colchicine treatment during on chromosome doubling

Zhou, Kai; Fleet, Paige; Nevo, Eviatar; Zhang, Xinquan; Sun, Genlou (Springer Nature, 2017-08-17)

Colchicine was commonly used to artificially double chromosomes while the transcriptome changes in colchicine treated plants has rarely been characterized. To understand the molecular mechanism of colchicine on chromosome ...
Traveling waves on a rope

Fillmore, Keith (American Association of Physics TeachersAmerican Institute of Physics, 1983-05)

There is no abstract available for this article.
Tree spatial pattern within the forest–tundra ecotone: a comparison of sites across Canada

Harper, Karen A., 1969-; Danby, Ryan K.; De Fields, Danielle L.; Lewis, Keith P.; Trant, Andrew J.; Starzomski, Brian M.; Savidge, Rodney; Hermanutz, Luise (Canadian Science Publishing, 2011-02-11)

Although many studies have focused on factors influencing treeline advance with climate change, less consideration has been given to potential changes in tree spatial pattern across the forest–tundra ecotone. We investigated ...
Trends in studies of edge influence on vegetation at human created and natural forest edges across time and space

Franklin, Caroline M.A.; Harper, Karen A., 1969-; Clarke, Madeline J. (NRC Research Press, 2020-11-17)

Forest edges, or boundaries between adjacent ecosystems, play important ecological roles. Both anthropogenic and natural forest edges affect vegetation while contributing to landscape heterogeneity. The recent proliferation ...