Search Results - "Röllin, S."

Determination of strontium radioisotopes in routine and emergency samples by Corcho-Alvarado, J.A., Gosteli, R., Röllin, S., Sahli, H., Stauffer, M., Burger, M.

“…We present the radioanalytical strategies used for the determination of strontium radioisotopes in routine and emergency samples. While in routine monitoring,…”
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Radionuclides in sediments of the Aare and Rhine river system: Fallouts, discharges, depth-age relations, mass accumulation rates and transport along the river by Klemt, E., Putyrskaya, V., Röllin, S., Corcho-Alvarado, J.A., Sahli, H.

“…The Aare-Rhine river system with its four nuclear power plants on the banks of these rivers and with its intermediate lakes and reservoirs provide the unique…”
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Radioactive and chemical contamination of the water resources in the former uranium mining and milling sites of Mailuu Suu (Kyrgyzstan) by Corcho Alvarado, J.A., Balsiger, B., Röllin, S., Jakob, A., Burger, M.

“…An assessment of the radioactive and chemical contamination of the water resources at the former uranium mines and processing sites of Mailuu-Suu, in…”
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Isotopic signatures of plutonium and uranium at Bikar atoll, northern Marshall Islands by Corcho Alvarado, J.A., Röllin, S., Sahli, H., McGinnity, P.

“…We present plutonium (Pu) and uranium (U) isotopic fingerprints (or signatures) in environmental samples collected at Bikar Atoll. Bikar is the second –most…”
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Dating of recent sediments from Lago Maggiore and Lago di Lugano (Switzerland/Italy) using 137Cs and 210Pb by Putyrskaya, V., Klemt, E., Röllin, S., Corcho-Alvarado, J.A., Sahli, H.

“…This paper presents the results of 137Cs and 210Pb dating of sediments from the northern and western basins of Lago Maggiore and the southern basin of Lago di…”
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Dating of sediments from four Swiss prealpine lakes with (210)Pb determined by gamma-spectrometry: progress and problems by Putyrskaya, V, Klemt, E, Röllin, S, Astner, M, Sahli, H

“…In this paper the most important problems in dating lake sediments with unsupported (210)Pb are summarized and the progress in gamma-spectrometry of the…”
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Validation of a radiochemical method for the determination of 55Fe and 63Ni in water and steel samples from decommissioning activities by Corcho-Alvarado, J. A., Sahli, H., Röllin, S., von Gunten, C., Gosteli, R., Ossola, J., Stauffer, M.

“…We present the validation of a radiochemical procedure for the determination of 55 Fe and 63 Ni in water and steel samples from nuclear decommissioning…”
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Long-term behavior of (90)Sr and (137)Cs in the environment: Case studies in Switzerland by Corcho-Alvarado, J A, Balsiger, B, Sahli, H, Astner, M, Byrde, F, Röllin, S, Holzer, R, Mosimann, N, Wüthrich, S, Jakob, A, Burger, M

“…We present long-term records of the (137)Cs and (90)Sr activity concentrations in soil, grass and milk from two lowland and two alpine pastures of Switzerland…”
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PU and NP analysis of soil and sediment samples with ICP-MS by Röllin, S., Sahli, H., Holzer, R., Astner, M., Burger, M.

“…A method to analyse Pu and Np was optimised to achieve low detection limits and high sample throughput. Soil and sediment samples were ashed and digested with…”
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Determination of dissolution rates of spent fuel in carbonate solutions under different redox conditions with a flow-through experiment by Röllin, S, Spahiu, K, Eklund, U.-B

“…Dissolution rates of spent UO 2 fuel have been investigated using flow-through experiments under oxidizing, anoxic and reducing conditions. For oxidizing…”
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Long-term behavior of 90Sr and 137Cs in the environment: Case studies in Switzerland by Corcho-Alvarado, J.A., Balsiger, B., Sahli, H., Astner, M., Byrde, F., Röllin, S., Holzer, R., Mosimann, N., Wüthrich, S., Jakob, A., Burger, M.

“…We present long-term records of the 137Cs and 90Sr activity concentrations in soil, grass and milk from two lowland and two alpine pastures of Switzerland. The…”
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Sensitivity of DF-ICP-MS, PERALS and alpha-spectrometry for the determination of actinides: A comparison by Ayranov, M., Krähenbühl, U., Röllin, S., Burger, M.

“…We applied three techniques (DF-ICP-MS, PERALS and alpha-spectrometry) for the determination of minor actinides at environmental levels. For each method the…”
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Determination of 241Pu in nuclear waste slurries: A comparative study using LSC and ICP-MS by Jäggi, M., Röllin, S., Corcho Alvarado, J.A., Eikenberg, J.

“…241Pu was determined in slurry samples from a nuclear reactor decommissioning project at the Paul Scherrer Institute (Switzerland). To validate the results,…”
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Determination of lanthanides and actinides in uranium materials by high-performance liquid chromatography with inductively coupled plasma mass spectrometric detection by Röllin, S., Kopatjtic, Z., Wernli, B., Magyar, B.

“…The determination of Nd, U and Pu by isotope dilution analysis is well known as the classical method for the calculation of the burn-up of a nuclear fuel…”
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Validation of a radiochemical method for the determination of .sup.55Fe and .sup.63Ni in water and steel samples from decommissioning activities by Corcho-Alvarado, J. A, Sahli, H, Röllin, S, von Gunten, C, Gosteli, R, Ossola, J, Stauffer, M

“…We present the validation of a radiochemical procedure for the determination of .sup.55Fe and .sup.63Ni in water and steel samples from nuclear decommissioning…”
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Dating of sediments from four Swiss prealpine lakes with 210Pb determined by gamma-spectrometry: progress and problems by Putyrskaya, V., Klemt, E., Röllin, S., Astner, M., Sahli, H.

“…In this paper the most important problems in dating lake sediments with unsupported 210Pb are summarized and the progress in gamma-spectrometry of the…”
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Dating of sediments from four Swiss prealpine lakes with 210 Pb determined by gamma-spectrometry: progress and problems by Putyrskaya, V., Klemt, E., Röllin, S., Astner, M., Sahli, H.

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Dating of recent sediments from Lago Maggiore and Lago di Lugano (Switzerland/Italy) using 137 Cs and 210 Pb by Putyrskaya, V, Klemt, E, Röllin, S, Corcho-Alvarado, J A, Sahli, H

“…This paper presents the results of Cs and Pb dating of sediments from the northern and western basins of Lago Maggiore and the southern basin of Lago di…”
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Mapping the age of ice of Gauligletscher combining surface radionuclide contamination and ice flow modeling by Jouvet, Guillaume, Röllin, Stefan, Sahli, Hans, Corcho, José, Gnägi, Lars, Compagno, Loris, Sidler, Dominik, Schwikowski, Margit, Bauder, Andreas, Funk, Martin

“…In the 1950s and 1960s, specific radionuclides were released into the atmosphere as a result of nuclear weapons testing. This radioactive fallout left its…”
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The effects of unsymmetric matrix permutations and scalings in semiconductor device and circuit simulation by Schenk, O., Rollin, S., Gupta, A.

“…The solution of large sparse unsymmetric linear systems is a critical and challenging component of semiconductor device and circuit simulations. The time for a…”
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