Results 31 to 40 of about 90,212 (381)
Pakistan Journal of Analytical & Environmental Chemistry, 2019 This study develops a gas chromatographic method coupled to micro-electron capture detector to determine four basic polychlorinated dibenzo-p-dioxins (PCDDs) congeners: 1, 1,2,3,7,8-pentachlorodibenzo-p-dioxin; 2, 2,3,7,8-tetrachlorodibenzo-p-dioxin; 3 ...
Iffat Abdul Tawab Khan +2 more
doaj +1 more source
Ecosphere, 2022 Environmental change, accelerated by anthropogenic activities, threatens many species and can be especially challenging for rare species given their potentially limited capacity for migration and adaptation relative to more common species. The ability to
Jennifer Nagel Boyd +6 more
doaj +1 more source
Content of PCB substances in carrot root and its relations to selected soil factors
Plant, Soil and Environment, 2003 The influence of the content of polychlorinated biphenyls (PCB) in agricultural soil and its agrochemical properties on bioaccumulation of PCBs by edible part of carrot (Daucus carota L.) was monitored in 18 locations of the Eastern Slovakian lowland ...
I. Danielovič +3 more
doaj +1 more source
High-Efficiency Separation of Mg2+/Sr2+ through a NF Membrane under Electric Field
Membranes, 2021 The efficient separation of Sr2+/Mg2+ through nanofiltration (NF) technology is a great challenge because Sr2+ and Mg2+ ions are congeners with the same valence and chemical properties.
Huan Liu +6 more
doaj +1 more source
Saccharomyces cerevisiae in the production of whisk(e)y [PDF]
, 2016 Whisk(e)y is a major global distilled spirit beverage. Whiskies are produced from cereal starches that are saccharified, fermented and distilled prior to spirit maturation.
Hill, Annie E., Walker, Graeme M.
core +3 more sources
Deconvolution of Soft Ionization Mass Spectra of Chlorinated Paraffins To Resolve Congener Groups.
Analytical Chemistry, 2016 We describe and illustrate a three-step data-processing approach that enables individual congener groups of chlorinated paraffins (CPs) to be resolved in mass spectra obtained from either of two soft ionization methods: electron capture negative ...
Bo Yuan +7 more
semanticscholar +1 more source
Relationship between PCBs in suspended and settled sediments from a coastal lagoon
Ciencias Marinas, 2005 Polychlorinated biphenyl (PCB) congener concentrations and organic matter content were determined in 84 samples of suspended and settled sediments collected from six different locations in the Ria Formosa lagoon (Portugal).
Luisa A Barreira +5 more
doaj +1 more source
Octanol/water distribution coefficients of the C~1~ through C~7~ perfluoro-n-alkyl sulfonates: Comparison of the IEFPCM-UFF, CPCM, and SMD solvation models [PDF]
, 2010 The octanol/water distribution coefficients (log D~ow~) of the C~1~ through C~7~ perfluoro-n-alkyl sulfonates (PFSAs) were calculated using the M062X/6-311++G(d,p) and MP2/6-311++G(d,p)//M062X/6-311++G(d,p) levels of theory and the IEFPCM-UFF, CPCM, and ...
Kaya Forest, Sierra Rayne
core +2 more sources
Journal of Threatened Taxa, 2013 We report on the finding of the Günther Toad Duttaphrynus hololius from Visakhapatnam and discuss aspects of its distribution based on our species distribution modeling.
B. Srinivasulu +2 more
doaj +1 more source
Environmental Health Perspectives, 2016 Background: Exposure to persistent organic pollutants (POPs) is known to increase risk of diabetes. Objective: To determine which POPs are most associated with prevalence of diabetes in 601 Akwesasne Native Americans.
Zafar Aminov +7 more
semanticscholar +1 more source