Results 221 to 230 of about 2,807,872 (254)

Towards better understanding of assimilate transfer and phloem loading in conifer trees. [PDF]

J Exp Bot
Vollenweider P, di Bello C, Valle N, Lehmann MM, Saurer M, Gessler A, Schymanski SJ.   +6 more
europepmc   +1 more source

Spatiotemporal dynamics of ethylene biosynthesis shape infection and nodule initiation in Medicago truncatula. [PDF]

Plant Cell
Müller S, Stegmann T, Adema K, Holmer R, van Seters A, van Velzen R, Kulikova O, Wijsman T, Klein J, Fernandez-Moreno JP, Stepanova AN, Alonso JM, Franssen H, Larrainzar E, van Zeijl A, Kohlen W.   +15 more
europepmc   +1 more source

The hypoxic niche enclosing the shoot apical meristem is shaped by a combination of morphological features and metabolic activity.

Mol Plant
Voloboeva V, Dequeker B, Van Doorselaer L, Panicucci G, Perata P, Verboven P, Nicolai B, Weits DA.   +7 more
europepmc   +1 more source

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Frequency and Quality of Radiation Monitoring of Construction Workers at Two Gaseous Diffusion Plants

Annals of the New York Academy of Sciences, 2006
Abstract:  Construction workers were and are considered temporary workers at many construction sites. Since World War II, large numbers of construction workers were employed at U.S. Department of Energy nuclear weapons sites for periods ranging from a few days to over 30 years.
Knut Ringen, John Dement, E Bingham
exaly   +3 more sources

Replacement of chlorofluorocarbons at the DOE gaseous diffusion plants: An assessment of global impacts

Environmental Impact Assessment Review, 1997
Abstract Three gaseous diffusion plants (GDPs) for enriching uranium maintain a large inventory of chlorofluorocarbon-114 (CFC-114) as a coolant. To address the continued use of CFC-114, an ozone-depleting substance, the U.S. Department of Energy (DOE) considered introducing perfluorocarbons (PFCs) by the end of 1995.
Maria Leet Socolof, Richard E. Saylor, Lance N. McCold   +2 more
exaly   +2 more sources

Estimating historic exposures at the European Gaseous Diffusion plants

International Journal of Hygiene and Environmental Health, 2013
This paper describes the methods and results of an occupational exposure assessment covering 30 years of operation of the EURODIF establishment (1978-2008). The exposure assessment includes radiological, physical and chemical hazards, and takes into account of organizational changes at the establishment.
Irina, Guseva Canu, Ségolène, Faust, Eric, Knieczak, Michel, Carles, Eric, Samson, Dominique, Laurier   +5 more
openaire   +2 more sources

CHARACTERIZATION OF INTERNAL EXPOSURE TO ENRICHED URANIUM AT A FORMER GASEOUS DIFFUSION PLANT

Health Physics, 2007
The National Institute for Occupational Safety and Health (NIOSH) is conducting a nested case-control study of mortality from multiple myeloma involving 581 subjects who worked at the Oak Ridge K-25 Gaseous Diffusion Plant. Internally-deposited uranium is the primary agent being considered in the exposure assessment.
J L, Anderson, H B, Spitz, J H, Yiin
openaire   +2 more sources

Stakeholder Future Vision Process for the Paducah Gaseous Diffusion Plant

World Environmental and Water Resources Congress 2011, 2011
In 2009, the United States Department of Energy (US DOE) asked the University of Kentucky-affiliated Kentucky Research Consortium for Energy and the Environment (KRCEE) to develop a community-based end state vision, encompassing the range of community perspectives and preferences for future land use at the Paducah Gaseous Diffusion Plant site in west ...
Lindell Ormsbee, Anna Hoover
openaire   +1 more source

GRAPHITIZATION IN THE POWER STATION AT THE OAK RIDGE GASEOUS DIFFUSION PLANT

1958
A review of the progress of graphitization in the carbon-- 1/2% molybdenum steel components of the Power Station at the Oak Ridge Gaseous Diffusion Plant is presented, and of the rehabilitation measures taken to control it. All carbon--molybobenum components in the Number 3 Boiler portion of the system were studied following two failures under full ...
C Mahoney, W Dritt
openaire   +1 more source

An Update of Seismic Monitoring and Research in the Vicinity of the Paducah Gaseous Diffusion Plant

2020
From January 2018 to December 2019, the Kentucky Geological Survey monitored earthquakes and conducted research on seismic hazards in the vicinity of the Paducah Gaseous Diffusion Plant, a former uranium enrichment facility, in McCracken County, western Kentucky. Six hundred forty-four earthquakes with magnitude between 0.5 and 3.7 were recorded in the
Wang, Zhenming, Carpenter, N. Seth, Woolery, Edward W.   +2 more
openaire   +1 more source