Relevant bibliographies by topics / Mobile gamma spectroscopy

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Conference papers

Academic literature on the topic 'Mobile gamma spectroscopy'

Author: Grafiati
Published: 29 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Mobile gamma spectroscopy"

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Patterson, Dwight J., and Jack L. Koenig. "Solid-State 13C NMR Characterization of Irradiation-Cross-Linked Natural Rubber." Applied Spectroscopy 41, no. 3 (March 1987): 441–46. http://dx.doi.org/10.1366/0003702874448814.

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Solid-state 13C NMR was used to characterize the structure changes produced in gamma irradiation in natural rubber. The structure of the irradiated natural rubber was found to be heterogeneous, consisting of a mobile phase and a semi-rigid phase. Cis-trans chain isomerization was detected in the mobile phase of the gamma-irradiated samples. The CP/MAS spectra of the more rigid phase contained resonances due to quaternary carbons arising from cross-links and vinyl end groups caused by main chain scission. The calculated values of β and G( X) agreed with earlier published results. Peroxide-cured natural rubber of an equivalent amount of network density showed a higher amount of trans structure than did the gamma-irradiated natural rubber.
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Varley, Adam, Andrew Tyler, and Clare Wilson. "Near real-time soil erosion mapping through mobile gamma-ray spectroscopy." Journal of Environmental Radioactivity 223-224 (November 2020): 106400. http://dx.doi.org/10.1016/j.jenvrad.2020.106400.

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Aucott, Timothy J., Mark S. Bandstra, Victor Negut, Joseph C. Curtis, Daniel H. Chivers, and Kai Vetter. "Effects of Background on Gamma-Ray Detection for Mobile Spectroscopy and Imaging Systems." IEEE Transactions on Nuclear Science 61, no. 2 (April 2014): 985–91. http://dx.doi.org/10.1109/tns.2014.2306998.

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Sendrea, Claudiu, Elena Badea, Ioana Stanculescu, Lucretia Miu, and Horia Iovu. "Dose-Dependent Effects of Gamma Irradiation on Collagen in Vegetable Tanned Leather by Mobile NMR Spectroscopy." Leather and Footwear Journal 15, no. 3 (September 30, 2015): 139–50. http://dx.doi.org/10.24264/lfj.15.3.1.

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Aarnio, P. A., J. J. Ala-Heikkilä, T. T. Hakulinen, and M. T. Nikkinen. "Gamma spectrometric monitoring of environmental radioactivity using a mobile equipment." Journal of Radioanalytical and Nuclear Chemistry 233, no. 1-2 (July 1998): 217–23. http://dx.doi.org/10.1007/bf02389675.

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Currier, Barbara H., Paul J. Hecht, James A. Nunley, Michael B. Mayor, John H. Currier, and Douglas W. Van Citters. "Analysis of Failed Ankle Arthroplasty Components." Foot & Ankle International 40, no. 2 (October 8, 2018): 131–38. http://dx.doi.org/10.1177/1071100718802589.

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Background: Although advances in joint-replacement technology have made total ankle arthroplasty a viable treatment for end-stage arthritis, revision rates for ankle replacements are higher than in hip or knee replacements. The questions asked in this study were what can retrieved ankle devices demonstrate about ankle arthroplasty failures and how can understanding the causes of these failures inform clinical decisions for current and future ankle arthroplasty patients? Methods: An IRB-approved retrieval laboratory received retrieved components and surgeon-supplied reason for revision from 70 total-ankles (7 designs, including 5 currently marketed designs) from 2002 to 2018. These retrievals were rated for clinical wear and damage. Metal components were rated by method and effectiveness of fixation. Polyethylene inserts received by the laboratory 6 months or less after retrieval (n = 45) were analyzed for oxidation using Fourier transform infrared spectroscopy. Statistical analysis was performed using IBM SPSS, version 22. Results: The ankle implants were retrieved most commonly for loosening and polyethylene fracture. Loosening occurred more frequently in fixed-bearing designs (n = 18) than in the mobile-bearing designs (n = 4) and after shorter in vivo time (mean in vivo time to retrieval for loosening: fixed bearing 3.2 ± 2.1 years, mobile bearing 9.7 ± 4.5 years). Gamma-sterilized ankle inserts oxidized at a higher rate than non-gamma (EtO or gas-plasma) sterilized ankle inserts (gamma 0.29 ± 0.22/y, non-gamma 0.07 ± 0.05/y, mean difference=0.215, 95% CI 0.128-0.303, P < .001). The presence of clinical fatigue (cracking and/or delamination) of the polyethylene insert correlated with measured oxidation (Spearman rho = 0.685, P < .001). Nine inserts, all gamma-sterilized, fractured in vivo. Conclusions: This study suggests that loosening could be more of a problem in fixed-bearing devices than in mobile bearing devices. Gamma-sterilized polyethylene inserts were found to suffer fatigue damage or fracture in vivo, resulting in the need for revision. Retrieval analysis can provide insight into implant-related reasons for revision, with the goal of understanding the implant-related causes of these failures, informing future ankle design and clinical decisions for current and future ankle arthroplasty patients. Level of Evidence: Level III, comparative series.
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Aucott, Timothy J., Mark S. Bandstra, Victor Negut, Joseph C. Curtis, Ross E. Meyer, Daniel H. Chivers, and Kai Vetter. "Impact of detector efficiency and energy resolution on gamma-ray background rejection in mobile spectroscopy and imaging systems." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 789 (July 2015): 128–33. http://dx.doi.org/10.1016/j.nima.2015.04.012.

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Patiris, Dionisis L., Christos Tsabaris, Mark Schmidt, Aristomenis P. Karageorgis, Aristides M. Prospathopoulos, Stylianos Alexakis, and Peter Linke. "Mobile underwater in situ gamma-ray spectroscopy to localize groundwater emanation from pockmarks in the Eckernförde bay, Germany." Applied Radiation and Isotopes 140 (October 2018): 305–13. http://dx.doi.org/10.1016/j.apradiso.2018.07.037.

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Walter, Thomas H., Arthur Thompson, Max Keniry, Sumio Shinoda, Theodore L. Brown, H. S. Gutowsky, and Eric Oldfield. "Observation of a mobile molybdenum carbonyl fragment on .gamma.-alumina by solid-state carbon-13 nuclear magnetic resonance spectroscopy." Journal of the American Chemical Society 110, no. 4 (February 1988): 1065–68. http://dx.doi.org/10.1021/ja00212a011.

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Barzilov, Alexander, and Monia Kazemeini. "Dual-Mode Radiation Sensor for UAS Platforms." Proceedings 42, no. 1 (November 14, 2019): 37. http://dx.doi.org/10.3390/ecsa-6-06541.

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Remote sensing technologies are important for radiation safety and environmental security applications. A dual-mode Cs2LiYCl6:Ce3+ (CLYC) sensor was developed for simultaneous neutron measurements and gamma-ray spectroscopy. To keep users away from hazardous areas, an unmanned aerial system was used as a mobile sensor platform. The sensor was integrated into a multicopter platform as a ‘plug and fly’ component allowing deployment in the field conditions. The photon energy resolution of the CLYC sensor was measured as less than 5% at 662 keV. The detection of neutrons was achieved via 6Li(n,α)t reaction. The sensor’s signal communication and data fusion were programmed using robot operating system framework, as well as on-board signal analysis functions including the neutron-photon pulse shape discrimination and the identification of photo peaks in the gamma spectrum. These data with added real-time kinematic GPS and time stamps were reported to the user enabling real time awareness of the monitored area, further analysis in temporal and spatial domains, and radiation mapping and source search tasks.
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Dissertations / Theses on the topic "Mobile gamma spectroscopy"

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Lindberg, William. "Monte-Carlo response for mobile gamma spectroscopy in fallout affected residential areas." Thesis, Uppsala universitet, Tillämpad kärnfysik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-447028.

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Historically, two nuclear power plant incidents have led to major releases of radioactive isotopes into the environment. In the unfortunate event that such an incident would occur in Sweden, the national emergency preparedness has set-up carborne detector systems which can be used to map radionuclides in fallout affected areas. However, analysing the carborne measurments is not trivial. To investigate how these detector systems behave, a full scale model of a Swedish suburban neighborhood was constructed in the particle transport code SERPENT2. Within this model, detector and car geometries where defined to obtain an estimate of the measurement one would obtain efter different cleanup scenarios with an initial 100 kBq/m^2 ground deposition of the fission product Cs-137.
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Miller, Alexander Luke. "Development of a semi-autonomous directional and spectroscopic radiation detection mobile platform." Thesis, 2014. http://hdl.handle.net/10155/425.

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This thesis presents a method for a small, inexpensive mobile robot equipped with a single high resolution scintillation detector to quickly survey an area and convey information about local sources of gamma radiation to a remote human operator. This is achieved by surrounding the detector with a lead sheath that blocks all gamma rays except those incident along the detector???s axial direction. A horizontal scan is performed by rotating the detector and a directional profile of gamma radiation is constructed. In addition a visual panorama of the local area is assembled using a camera mounted on the detector. A plot of the detector signal versus angle is then overlaid on top of the visual panorama and visible peaks clearly indicate the direction of local gamma radiation sources. Moreover, measuring the energy spectrum of gamma rays in each direction produces a 2D count frequency histogram where distinct peaks indicate the energy and direction of local gamma ray sources allowing the identification of different radio-isotopes.
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Books on the topic "Mobile gamma spectroscopy"

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Armitage, B. H., and T. W. Packer. Application of Gamma-ray Spectroscopy to the Differentiation Between Mobile and Deposited Fission Products in Pipes. European Communities / Union (EUR-OP/OOPEC/OPOCE), 1990.

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Conference papers on the topic "Mobile gamma spectroscopy"

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Sauzet, Nadine, Daniel Santos, and Olivier Guillaudin. "Fast neutron spectroscopy from 1 MeV up to 15 MeV with Mimac-FastN: a mobile and directional fast neutron spectrometer." In Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII, edited by Michael Fiederle, Arnold Burger, and Stephen A. Payne. SPIE, 2020. http://dx.doi.org/10.1117/12.2567737.

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You might also be interested in the extended bibliographies on the topic 'Mobile gamma spectroscopy' for particular source types:
Journal articles
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