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Publikováno v:
Ecology of Freshwater Fish. 10:75-87
The reproductive biology of three species of rainbowfish (Mel- University, Nathan, Queensland, Australia anotaeniidae) in northeastern Australian rainforest streams was investi- gated. Two species, Melanotaenia eachamensis and Cairnsichthys rhom- bos
Akademický článek
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Autor:
J.R. Bird, Ravi S. Menon, Joseph S. Gati, S.E. Leung, A.W. Lin, Matthew P. Quinn, L. M. Klassen
Publikováno v:
AJNR Am J Neuroradiol
BACKGROUND AND PURPOSE: SWI is an MR technique conventionally implemented with single-echo gradient-echo data. The purpose of this study was to compare single-echo SWI processing and 2 multiecho SWI processing schemes: postaverage, where an SWI image
Autor:
Claudio Tuniz, Geraldine Jacobsen, Michael Hotchkis, J.W. Boldeman, Ewan Lawson, Andrew Smith, J.R. Bird, David Fink
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 92:22-26
The ANTARES AMS facility at the Lucas Heights Research Laboratories is operational and AMS measurements of 14C and 26Al are performed routinely. Measurement programs for a variety of other long-lived cosmogenic radioisotopes are being implemented on
Publikováno v:
Palaeogeography, Palaeoclimatology, Palaeoecology. 84:299-307
Chlorine-36 is an unstable isotope of chlorine produced by cosmic-ray bombardment of the atmosphere and the Earth's surface as well as by absorption of cosmic-ray or natural radioactivity-derived neutrons in stable chlorine. Nuclear weapons detonatio
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 52:233-237
Although the major emphasis of the joint ANU/ANSTO accelerator mass spectrometry program has been the measurement of 36Cl samples, both 14C and 10Be capabilities have been implemented recently on the 14UD accelerator. The new developments and operati
Autor:
J.R. Bird
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 45:514-518
Depending on the nature of the sample, a selection of IBA techniques can be used to obtain a total major element analysis plus information on the concentration of a number of trace elements. This approach has been found to be valuable in studies of b
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 52:348-350
The joint ANSTO/ANU 36Cl program has now measured more than 700 samples from many different locations. During the course of this work, a variety of contamination problems have affected a small number of results which have provided valuable informatio
Publikováno v:
Australian Journal of Zoology. 45:75
The Lake Eacham rainbowfish, Melanotaenia eachamensisAllen & Cross, 1982, was thought to be extinct in the wild until recentresearch demonstrated the presence of wild populations in a few tributaries ofthe upper Johnstone River and the upper Barron R