Results 1 to 10 of about 5,366 (124)

Exposure to Recycled Uranium Contaminants in Gaseous Diffusion Plants [PDF]

open access: yesRadiation Protection Dosimetry, 2017
As part of an ongoing study of health effects in a pooled cohort of gaseous diffusion plant workers, organ dose from internal exposure to uranium was evaluated. Due to the introduction of recycled uranium into the plants, there was also potential for exposure to radiologically significant levels of 99Tc, 237Np and 238,239Pu.
James Yiin, Jeri Anderson
exaly   +5 more sources

Nuclear Archaeology for Gaseous Diffusion Enrichment Plants

open access: yesScience and Global Security, 2014
Gaseous diffusion was historically the most widely used technology for military production of highly enriched uranium. Since June 2013, all gaseous diffusion enrichment plants worldwide are permanently shut down. The experience with decommissioning some of these plants has shown that they contain large amounts of uranium particles deposited in the ...
Alexander Glaser, Sébastien Philippe
exaly   +3 more sources

Supporting hierarchical soil biogeochemical modeling: version 2 of the Biogeochemical Transport and Reaction model (BeTR-v2) [PDF]

open access: yesGeoscientific Model Development, 2022
Reliable soil biogeochemical modeling is a prerequisite for credible projections of climate change and associated ecosystem feedbacks. This recognition has called for frameworks that can support flexible and efficient development and application of new ...
J. Tang, W. J. Riley, Q. Zhu
doaj   +1 more source

Gamma-ray spectroscopy for the characterization of uranium contamination in nuclear decommissioning [PDF]

open access: yesEPJ Web of Conferences, 2023
Decommissioning is the last step in the life cycle of a nuclear facility. After the evacuation of the facility components, the remaining structures such as concrete walls and floors must be surveyed to ensure that no residual contamination remains. It is
Salvador Francisco   +8 more
doaj   +1 more source

Plant responses to limited aeration: Advances and future challenges

open access: yesPlant Direct, 2023
Limited aeration that is caused by tissue geometry, diffusion barriers, high elevation, or a flooding event poses major challenges to plants and is often, but not exclusively, associated with low oxygen.
Laura Dalle Carbonare   +3 more
doaj   +1 more source

Source attribution and process analysis for atmospheric mercury in eastern China simulated by CMAQ-Hg [PDF]

open access: yesAtmospheric Chemistry and Physics, 2015
The contribution from different emission sources and atmospheric processes to gaseous elemental mercury (GEM), gaseous oxidized mercury (GOM), particulate bound mercury (PBM) and mercury deposition in eastern China were quantified using the Community ...
J. Zhu, T. Wang, J. Bieser, V. Matthias
doaj   +1 more source

Effects of feeding mode on the performance, life span and greenhouse gas emissions of a vertical flow macrophyte assisted vermifilter

open access: yesnpj Clean Water, 2022
This study was conducted to investigate the impact of intermittent feeding on performance, clogging, and gaseous emission on macrophyte assisted vermifiltration (MAVF) based treatment system.
Rajneesh Singh   +6 more
doaj   +1 more source

Time-period mortality patterns in a Gaseous Diffusion Plant workforce [PDF]

open access: yesInternational Journal of Occupational Medicine and Environmental Health, 2010
We sub-divided a cohort of 6820 workers at the Paducah (KY) Gaseous Diffusion Plant (PGDP) which was traced from 1953 to 2003. The subdivisions were made to assess the mortality risks in a sub-group of workers employed solely during the plant's refit period, a time of suspected higher exposure to metal dusts (nickel, arsenic, chromium and uranium) and ...
Timothy E, Aldrich   +5 more
openaire   +2 more sources

Mortality Patterns Among Paducah Gaseous Diffusion Plant Workers [PDF]

open access: yesJournal of Occupational & Environmental Medicine, 2010
To determine whether Paducah Gaseous Diffusion Plant workers had mortality patterns that differed from the general US population and to investigate whether mortality patterns were associated with job title or workplace exposures.A retrospective occupational cohort mortality study was conducted on 6759 workers.
Chan, Caroline   +7 more
openaire   +3 more sources

Application of the Passive Sampler Developed for Atmospheric Mercury and Its Limitation

open access: yesAtmosphere, 2019
In this study, a passive sampler for gaseous elemental mercury (GEM) was developed and applied to field monitoring. Three Radiello® diffusive bodies with gold-coated beads as Hg adsorbent were installed in an acrylic external shield.
Ji-Won Jeon   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy