Browsing Articles by Title

Now showing items 695-714 of 761

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 ...
Tricarbonyl[N,N′,N″-tris(2,6-diisopropylphenyl) guanidine]molybdenum(0)

Boere, Rene T.; Masuda, Jason Douglas, 1977- (Wiley-Blackwell, 2011-07)

In the title compound, [Mo(C₃₇H₅₃N₃)(CO)₃], the Mo atom to ring-centroid distance in the η⁶-coordinated tricarbonylmolybdenum group is 1.958 (1) Å. The three C≡O ...
Trichomycetes from China and the description of three new Smittium species

Strongman, Douglas Blair, 1956-; Xu, Shengquan (Mycological Society of America, 2006-05)

Trichomycetes were recovered from the guts of aquatic insect larvae collected from a stream in the Qinling Mountains in western China. These collections included Smittium hecatei, known only from Spain, as well as Smittium ...
Trifoliellum bioblitzii, a new genus of trichomycete from mayfly nymphs in Nova Scotia, Canada

Strongman, Douglas Blair, 1956-; White, Merlin M. (Mycological Society of America, 2011-01)

Trichomycetes are an ecological group of fungi and protists that colonize the gut lining of invertebrates in aquatic and moist terrestrial habitats. The diversity of this group appears to be high with many new species ...
The TRS‐80 color computer as a 4‐channel data logger

Lonc, William, 1930-; Lo, George (American Association of Physics TeachersAmerican Institute of Physics, 1984-06)

There is no abstract available for this article.
The true identity of the fungus reported as Hirsutella gigantea from eastern spruce budworm in Canada

Strongman, Douglas Blair, 1956-; Eveleigh, E. S. (Mycological Society of America, 1992-11)

There is no abstract available for this article.