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Uhrie, J.L.; Drever, J.I.; Colberg, P.J.S.; Nesbitt, C.C. |
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In situ immobilization of heavy metals associated with uranium leach mines by bacterial sulfate reduction |
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Journal Article |
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Year |
1996 |
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Hydrometallurgy |
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43 |
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1 |
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231-239 |
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Laboratory experiments with mixed populations of sulfate-reducing bactreria were shown to mediate the removal of milligrams/liter concentrations of uranium, selenium, arsenic and vanadium from aqueous solution via reduction, precipitation and adsorption. Results of laboratory experiments with active sulfidogenic biomass suggest that injection of sulfate and a source of carbon could enhance anaerobic microbial activity in and around uranium leach mines leading to in situ immobilization contaminating metals. |
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0304-386x |
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THL @ christoph.kuells @ uhrie_situ_1996 |
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197 |
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Romeo, N.; Mabry, J.; Hillegonds, D.; Kainz, G.; Jaklitsch, M.; Matsumoto, T. |
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Title |
Developments of a field gas extraction device and krypton purification system for groundwater radio-krypton dating at the IAEA |
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Journal Article |
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2022 |
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Applied Radiation and Isotopes |
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189 |
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110450 |
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The long-lived radio-krypton isotope 81Kr (t1/2 = 2.29 × 105 yr) is an ideal tracer for old groundwater age dating in the range of 105–106 years which goes beyond the reach of radio-carbon (14C) age dating. Analytical breakthrough made over the last two decades in Atom Trap Trace Analysis (ATTA) has enabled the use of this isotope with extremely low abundance (81Kr/Kr = 6 × 10−13) to be used as a practical dating tool for very old groundwater. The International Atomic Energy Agency aims to provide this new isotope tool for better groundwater resource management of Member States and developed a field sampling device to collect dissolved gas samples from groundwater and a system to separate and purify trace amounts of krypton from the gas samples for the ATTA analysis. The design, setup and performances of our sampling and purification systems are described here. Our system can produce a high purity aliquot of about 5 μL of krypton from 5 L of air sample (recovery yield of >90%). The samples made by our system were confirmed to be acceptable for the ATTA analysis. |
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0969-8043 |
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THL @ christoph.kuells @ Romeo2022110450 |
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214 |
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Hamidian, A.; Ghorbani, M.; Abdolshahnejad, M.; Abdolshahnejad, A. |
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Title |
RETRACTED: Qanat, Traditional Eco-technology for Irrigation and Water Management |
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2015 |
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Agriculture and Agricultural Science Procedia |
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4 |
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119-125 |
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This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of Editor. The authors have plagiarized part of a book Veins of Desert, by Semsar Yazdi, Ali Asghar; Labbaf Khaneiki, Majid published by UNESCO-ICQHS, 2010 pages 2, 3, 5, 6, 7, 11, 44, 156, 157 and 158. One of the conditions of submission of a paper for publication is that authors declare explicitly that their work is original and has not appeared in a publication elsewhere. Re-use of any data should be appropriately cited. |
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2210-7843 |
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Efficient irrigation management and its effects in urban and rural landscapes |
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THL @ christoph.kuells @ Hamidian2015119 |
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252 |
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Author |
French, K. |
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Title |
Indigenous knowledge, water management, and learning from our collective past |
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2022 |
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Journal of Anthropological Archaeology |
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68 |
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101466 |
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0278-4165 |
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THL @ christoph.kuells @ French2022101466 |
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253 |
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Lightfoot, D.R. |
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Title |
Moroccan khettara: Traditional irrigation and progressive desiccation |
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1996 |
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Geoforum |
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27 |
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2 |
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261-273 |
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A 300 km network of khettara (qanat) subsurface irrigation channels was excavated in the Tafilalt basin beginning in the late 14th century. More than 75 of these chains provided perennial water following the breakup of the ancient city of Sijilmassa. Khettara continued to function for much of the northern oasis until the early 1970s, when new technologies and government policies forced changes. Data on origins, maintenance, and current use were collected from archival sources, aerial photographs, Landsat imagery, and from interviews. Insufficient water resources and unsustainable practices have dramatically lowered the water table, drying up khettara. This has resulted in a loss of local control over water resources, abandonment of a sustainable irrigation system, and progressive desiccation. |
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0016-7185 |
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THL @ christoph.kuells @ Lightfoot1996261 |
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257 |
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