Zobrazeno 1 - 10
of 18
pro vyhledávání: '"J. L. Hopkins"'
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 24, Iss 8, Pp n/a-n/a (2023)
Abstract Three volcanic arcs have been the source of New Zealand's volcanic activity since the Neogene: Northland arc, Coromandel Volcanic Zone (CVZ) and Taupō Volcanic Zone (TVZ). The eruption chronology for the Quaternary, sourced by the TVZ, is w
Externí odkaz:
https://doaj.org/article/89aea9a08d98473caf99234e06a501f0
Autor:
J. L. Hopkins, J. E. Bidmead, D. J. Lowe, R. J. Wysoczanski, B. J. Pillans, L. Ashworth, A. B. H. Rees, F. Tuckett
Publikováno v:
Geochronology, Vol 3, Pp 465-504 (2021)
Although analyses of tephra-derived glass shards have been undertaken in New Zealand for nearly four decades (pioneered by Paul Froggatt), our study is the first to systematically develop a formal, comprehensive, open-access reference dataset of glas
Externí odkaz:
https://doaj.org/article/f63e4a12094941b2960986c7f0c59167
Publikováno v:
Scientific Drilling, Vol 29, Pp 19-37 (2021)
The accurate and precise reconstruction of Quaternary climate as well as the events that punctuate it is an important driver of the study of lake sediment archives. However, until recently lake sediment-based palaeoclimate reconstructions have largel
Externí odkaz:
https://doaj.org/article/3353c783d53e43989fe9742d007900c4
Autor:
L. Peti, K. E. Fitzsimmons, J. L. Hopkins, A. Nilsson, T. Fujioka, D. Fink, C. Mifsud, M. Christl, R. Muscheler, P. C. Augustinus
Publikováno v:
Geochronology, Vol 2, Pp 367-410 (2020)
Northern New Zealand is an important location for understanding Last Glacial Interval (LGI) palaeoclimate dynamics, since it is influenced by both tropical and polar climate systems which have varied in relative strength and timing. Sediments from th
Externí odkaz:
https://doaj.org/article/b1408a67f3ad4d61b07b65edc6ae3e41
Autor:
D E, Palladino, J L, Hopkins, R H, Ingraham, T C, Warren, S R, Kapadia, G J, Van Moffaert, P M, Grob, J M, Stevenson, K A, Cohen
Publikováno v:
Journal of chromatography. A. 676(1)
Nevirapine (BI-RG-587) is a potent inhibitor of the polymerase activity of reverse transcriptase of human immunodeficiency virus type-1. Nevirapine, as well as several other non-nucleoside compounds of various structural classes, bind strongly at a s
Autor:
T. R. Renner, R. E. Montle, H. Louth, Douglas S. Hall, R. E. Fried, W. S. Barksdale, S. J. Beck, L. P. Lovell, C. R. Chambliss, J. A. Eaton, Anthony B. Kaye, Gregory W. Henry, J. L. Hopkins, Russell Genet, H. C. Lines, H. J. Stelzer, R. D. Lines
Publikováno v:
The Astronomical Journal. 109:2177
Autor:
C. R. Chambliss, Russell Genet, Gregory W. Henry, Kevin Krisciunas, L. P. Lovell, H. Louth, R. E. Montle, T. R. Renner, R. W. Boyd, J. L. Hopkins, P. K. Detterline, J. D. Sabia, Joel A. Eaton, Douglas S. Hall, D. R. Skillman, H. J. Landis
Publikováno v:
Astrophysics and Space Science. 90:197-206
We present photoelectric photometry of this bright long-period RS CVn binary and use it, along with earlier photometry, to derive the photometric period and discuss the changing light curve shape. The best ephemeris for times of minimum light is 2443
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :79-82
Electrons ejected at or near θ = 0° in H− -He collisions have been measured with better resolution than in previous experiments. These new measurements have revealed some new features of the spectra not previously seen. It appears that near 0° a
Autor:
H. Louth, Kevin Krisciunas, Gregory W. Henry, Douglas S. Hall, J. L. Hopkins, Joel A. Eaton, T. R. Renner, H. J. Landis, H. J. Stelzer, E. H. Olsen
Publikováno v:
Astrophysics and Space Science. 93:271-276
A photometric period of 77.65 days is derived for 39 AY Ceti through a comparison of photoelectric photometry obtained in 1971 and 1972 with that obtained in the periods 1980-1981 and 1981-1982. JD 2444636.0 is an epoch of minimum light, and the full
Autor:
H. Louth, R. E. Fried, T. G. McFaul, Gregory W. Henry, Kevin Krisciunas, Douglas S. Hall, C. A. Vaucher, H. J. Landis, J. L. Hopkins, J. D. Sabia, D. R. Skillman, T. R. Renner, Joel A. Eaton, C. R. Chambliss
Publikováno v:
Astrophysics and Space Science. 93:305-311
Five years of photoelectric photometry of this bright K1 III RS CVn binary has been obtained at thirteen different observatories. Except for one year, the light curve has shown two minima, separated by roughly a half cycle. At the epoch of discovery