Zobrazeno 1 - 10
of 31
pro vyhledávání: '"R.T.D. Teng"'
Publikováno v:
Chemical Geology. 152:193-203
The value of the pre-bomb 129 I / 127 I ratio in the hydrosphere is important for the use of this isotope system for dating and tracing purposes. In order to determine this value and to examine spatial variability, 129 I / 127 I ratios were measured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58fc028b6f42b2c60d0b3ed2921da2c7
https://doi.org/10.1016/s0009-2541(98)00106-5
https://doi.org/10.1016/s0009-2541(98)00106-5
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 123:356-360
The onset of hydrocarbon migration is a critical question for the understanding of the formation processes of oil reservoirs. We present here first results on the use of cosmogenic isotopes to address this question. We tested the application of 129 I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d8b177130bf968432b0980ae7ea2b5c
https://doi.org/10.1016/s0168-583x(96)00631-3
https://doi.org/10.1016/s0168-583x(96)00631-3
Publikováno v:
Journal of Volcanology and Geothermal Research. 72:59-70
The Valles caldera in New Mexico hosts a high-temperature geothermal system, which is manifested in a number of hot springs discharging in and around the caldera. In order to determine the fluid pathways and the origin of chloride in this system, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ca9cd3a6b49a6998e674093a67cca54
https://doi.org/10.1016/0377-0273(95)00069-0
https://doi.org/10.1016/0377-0273(95)00069-0
Publikováno v:
Journal of Chromatography A. 706:215-220
A method for the detection of iodide in geologic materials including surface and ground waters, brines, and extracts from sediment, plants, soil and crude oil is presented. The detection limit of the HPLC system under ideal conditions is 0.45 ng. App
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f622f33060cb394e55d249c9836dfef3
https://doi.org/10.1016/0021-9673(94)01247-c
https://doi.org/10.1016/0021-9673(94)01247-c
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 99:549-552
The diffusion of chlorine implanted in silicon wafers has been studied by neutron activation/accelerator mass spectrometry. Two implantation energies, 200 and 400 keV, and a range of implant doses from 1013 to 1015 atoms/cm2 were employed. The diffus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eb563e78ce123d06d5bd060368bec6a
https://doi.org/10.1016/0168-583x(95)00215-4
https://doi.org/10.1016/0168-583x(95)00215-4
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 92:380-384
Preliminary results are presented for 129 I/I and 36 Cl/Cl ratios in formation waters from the KTB project in Germany, geothermal waters from the Salton Sea Geothermal System in California and oilfield brines from the Anadarko Basin in Oklahoma. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22690ab1e9dbbc2422c15ad849a680bc
https://doi.org/10.1016/0168-583x(94)96038-0
https://doi.org/10.1016/0168-583x(94)96038-0
Autor:
Peter W Kubik, Harry E. Gove, Sharon Tullai-Fitzpatrick, E.K Peters, P. Sharma, R.T.D. Teng, David Elmore, Udo Fehn
Publikováno v:
Geochimica et Cosmochimica Acta. 56:2069-2079
The Clear Lake area of northern California is the location of hot spring activity, some of which is associated with the formation of Au and Hg deposits. We measured 129 I I and 36 Cl Cl ratios in nine warm springs (formation springs), six cold spring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7beba86b7f5b77b8b6d8def04410dd14
https://doi.org/10.1016/0016-7037(92)90330-l
https://doi.org/10.1016/0016-7037(92)90330-l
Autor:
Harry E. Gove, R.T.D. Teng, Udo Fehn, David Elmore, P. Sharma, Peter W Kubik, Sharon Tullai-Fitzpatrick
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 52:446-450
129I/I ratios are reported here for oil field brines from two fields in Louisiana and one in Utah. In two cases, the ratios obtained indicate good agreement between the age obtained with the 129I system and the formations the waters were found in. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c612081662b4b2583dbb6ea459b21086
https://doi.org/10.1016/0168-583x(90)90455-4
https://doi.org/10.1016/0168-583x(90)90455-4
Autor:
R.T.D. Teng, Harry E. Gove, Udo Fehn, Sameer A. Datar, P. Sharma, Peter W Kubik, Sharon Tullai-Fitzpatrick, David Elmore
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 52:238-242
The AMS program at the University of Rochester is described with mention of the development of a gas-filled magnet isobar separator as a means to overcome the anticipated problems with high sulfur in 36Cl measurements once a high-intensity ion source
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1ad9230b9d0fc0ee0e01a11a6159ece
https://doi.org/10.1016/0168-583x(90)90413-o
https://doi.org/10.1016/0168-583x(90)90413-o
Publikováno v:
MRS Proceedings. 354
The diffusion of implanted chlorine in silicon wafers is studied with neutron activation/accelerator mass spectroscopy (NA/AMS). Depth profiles are obtained from as-implanted and annealed samples. While there is a marked difference between the anneal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa3246f46fd9a26aedca63a3b32dc81a
https://doi.org/10.1557/proc-354-275
https://doi.org/10.1557/proc-354-275