Zobrazeno 1 - 10
of 29
pro vyhledávání: '"J.G. Tracy"'
Autor:
J.G. Tracy
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 438:1-6
High-purity 84 S r (i.e., >99 at%) is an important tool in many areas of basic and applied research, in particular for spikes used in isotopic dilution/mass spectrometer investigations in geochemistry, cosmochemistry, and paleoclimate-age studies. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc225ddb6e61b276aa5f27c2b1d15f10
https://doi.org/10.1016/s0168-9002(99)00638-5
https://doi.org/10.1016/s0168-9002(99)00638-5
Autor:
W.S. Aaron, J.G. Tracy
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 334:45-50
Oak Ridge National Laboratory (ORNL) operates the Isotope Enrichment Facility for the purpose of providing enriched stable isotopes, selected radioactive isotopes (including the actinides), and isotope-related materials and services for use in variou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd3334788ff87b0b50219ee4d047f9cd
https://doi.org/10.1016/0168-9002(93)90527-o
https://doi.org/10.1016/0168-9002(93)90527-o
Autor:
J.G. Tracy
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 303:3-8
The objectives of the isotope enrichment program at the Oak Ridge National Laboratory are to prepare and distribute electromagnetically separated stable isotopes to the research, medical and industrial communities on a worldwide basis. Topics discuss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c82419aaab1a709bc54982ee9bb4dd04
https://doi.org/10.1016/0168-9002(91)90756-g
https://doi.org/10.1016/0168-9002(91)90756-g
Autor:
W. D. Bond, E. D. Collins, A.M. Veach, J. W. York, L. E. McBride, H. H. Caudill, H. T. Milton, J.G. Tracy
Publikováno v:
Separation Science and Technology. 25:1931-1940
Enriched isotopes of sulfur are becoming attractive for use as tracers in a variety of environmental and scientific experiments. Many stages of separation are needed, especially for 33S and 36S, which exist in low natural abundances. Small amounts of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e63b05245108dc417f0b1d5e4eb12fc2
https://doi.org/10.1080/01496399008050434
https://doi.org/10.1080/01496399008050434
Autor:
J.G. Tracy, H.-E. Pfitzer
Publikováno v:
31st Annual Conference of IEEE Industrial Electronics Society, 2005. IECON 2005..
This paper describes the design of a transformerless UPS that uses two high frequency PWM power converters in series without sacrificing efficiency compared to their transformed forerunners. It has long been accepted, however, that a high frequency P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15566383b41701fcae9467296465cb34
https://doi.org/10.1109/iecon.2005.1569031
https://doi.org/10.1109/iecon.2005.1569031
Autor:
J.G. Tracy, J.W. Terry
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :972-975
The availability of a broad spectrum of highly enriched stable isotopes is vitally important for the fabrication of nuclear targets for basic and applied research. The present separation effort at the Oak Ridge National Laboratory is insufficient to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fe3e88fe27e7202ac09f0ca709177d8
https://doi.org/10.1016/0168-583x(85)90152-1
https://doi.org/10.1016/0168-583x(85)90152-1
Autor:
J.G. Tracy
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 282:261-266
The availability of a broad spectrum of highly enriched isotopes is vitally important for the fabrication of nuclear targets used in basic and applied research. The Isotope Separation Program at the Oak Ridge National Laboratory prepares and distribu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d6712b441f5c521e4c34819ea6cf89c
https://doi.org/10.1016/0168-9002(89)90149-6
https://doi.org/10.1016/0168-9002(89)90149-6
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 26:7-11
The isotope separation program is described, emphasizing present state-of-the-art techniques utilized to achieve specific isotopic requirements. An interesting problem addressed here is the calutron enrichment of rare-earth isotopes where small quant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23a12801d9698e99c76faface1a2a9c5
https://doi.org/10.1016/0168-583x(87)90723-3
https://doi.org/10.1016/0168-583x(87)90723-3
Autor:
L.O. Love, W.K. Prater, K.A. Spainhour, W.C. Davis, A.M. Veach, W.A. Bell, E. Newman, J.G. Tracy
Publikováno v:
Nuclear Instruments and Methods. 139:87-93
A description is given of the current isotope separations program at Oak Ridge National Laboratory emphasizing new techniques and developments which have demonstrated improvement in isotopic purity, ion output, and process efficiency. Among the topic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee53b0d4382c50121c881af17173cebd
https://doi.org/10.1016/0029-554x(76)90660-1
https://doi.org/10.1016/0029-554x(76)90660-1
Autor:
L.O. Love, W.K. Prater, R.L. Johnson, W.K. Dagenhart, F.M. Scheitlin, J.G. Tracy, T.W. Whitehead, G.M. Banic
Publikováno v:
Nuclear Instruments and Methods. 38:148-151
Special equipment has been designed at the Oak Ridge National Laboratory (ORNL) for the calutron processing of moderate quantities of α,γ-emitting materials. A 73-h run having an average ion output of 2.9 mA provided 71 mg of 20.4% 242mAm from an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f71215a43970d668023a3fa2146d758f
https://doi.org/10.1016/0029-554x(65)90124-2
https://doi.org/10.1016/0029-554x(65)90124-2