Browsing Articles by Title

Now showing items 683-702 of 761

Suzaku observations of Mrk 335: confronting partial covering and relativistic reflection

Gallo, Luigi C.; Wilkins, D. R.; Bonson, K.; Chiang, C.-Y.; Grupe, D.; Parker, M. L.; Zoghbi, A.; Fabian, A. C.; Komossa, S.; Longinotti, A. L. (Oxford University Press, 2015-01)

We report on the deepest X-ray observation of the narrow-line Seyfert 1 galaxy Mrk 335 in the low-flux state obtained with Suzaku. The data are compared to a 2006 high-flux Suzaku observation when the source was ∼10 times ...
Suzaku observations of ‘bare’ active galactic nuclei

Walton, D. J.; Nardini, E.; Fabian, A. C.; Gallo, Luigi C.; Reis, R. C. (Oxford University Press, 2013-02)

We present an X-ray spectral analysis of a large sample of 25 ‘bare’ active galactic nuclei (AGN), sources with little or no complicating intrinsic absorption, observed with Suzaku. Our work focuses on studying the potential ...
Swift, NuStar and XMM-Newton observations of the NLS1 galaxy RX J2317.8–4422 in an extreme X-ray low flux state

Grupe, Dirk; Komossa, S.; Gallo, Luigi C.; Schartel, Norbert; Parker, Michael; Santos-Lleo, Maria; Fabian, Andrew C.; Harrison, Fiona; Miniutti, Giovanni (Oxford University PressRoyal Astronomical Society, 2019-03-20)

We report the discovery of RX J2317.8–4422 in an extremely low X-ray flux state by the Neil Gehrels Swift observatory in 2014 April/May. In total, the low-energy X-ray emission dropped by a factor of 100. ...
Synonymy of Ejectosporus magnus and Simuliomyces spica, and a new species, Ejectosporus trisporus, from winter-emerging stoneflies

Strongman, Douglas Blair, 1956- (Mycological Society of America, 2005-03)

The Trichomycete, Ejectosporus magnus, from Allocapnia spp. was determined to be a vegetative spore stage of another harpellid, Simuliomyces spica. A voucher slide of E. magnus made from a stonefly nymph that was part ...
Synthesis and properties of heteroaromatic carbenes of the imidazole and triazole series and their fused analogues

Korotkikh, Nikolai І.; Cowley, Аlan H.; Clyburne, Jason A. C. (Jason Alexander Cameron), 1968-; Robertson, Katherine N.; Saberov, Vagiz Sh.; Glinyanaya, Nataliya V.; Rayenko, Gennady F.; Shvaika, Оles P. (ARKAT USA, 2017-07-26)

The present review deals with the syntheses and properties of individual heteroaromatic carbenes of the imidazole, 1,2,4- and 1,2,3-triazole series, their fused analogs and mesoionic carbenes including ...
Synthesis and structural characterization of cyclic aryl ethers

Zaworotko, Michael J.; Abd-El-Aziz, Alaa S.; De Denus, Christine R.; Sharma, C. V. Krishnamohan (Royal Society of Chemistry, 1998-01)

The facile preparation of macrocyclic ethers is achieved using S[subscript N]Ar reactions of (dichlorobenzene)CpFe[superscript +) complexes with various dinucleophiles, followed by photolytic demetallation; X-ray crystallography ...
Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes

Thies, R.; Heinz, A.; Adachi, T.; Aksyutina, Y.; Alcantara-Nunes, J.; Altstadt, S.; Alvarez-Pol, H.; Ashwood, N.; Aumann, T.; Avdeichikov, V.; Estrade, Alfredo; Kanungo, Rituparna (American Physical Society, 2016-05-02)

Background: Models describing nuclear fragmentation and fragmentation fission deliver important input for planning nuclear physics experiments and future radioactive ion beam facilities. These models are usually benchmarked ...
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, ...