Results 101 to 110 of about 35,778 (228)

Covalent attachment of phenyl and carboxyphenyl layers derived from diazonium salts onto activated charcoal for the adsorption of pesticides

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2018
The past and recent uncontrolled use of organochlorine pesticides imposes serious problems due to their adverse undesired effects in ecosystems. Finding new ways to dispose of these molecules is therefore mandatory. The covalent modification of activated
Jeton Halili   +2 more
doaj   +1 more source

Strategic ecosystem studies of large slow flowing lowland rivers. Progress report: April - October 1989 [PDF]

open access: yes, 1989
This report covers the period April to September, 1989. During this period sampling of invertebrates has concentrated on planktonic animals and those associated with one of the dominant macrophytes in the system, Nuphar lutea, the yellow water lily ...
Bass, J.A.B., Pinder, L.C.V.
core   +1 more source

Organochlorine Pesticide Contamination in New World Passerines [PDF]

open access: yes, 1997
Organochlorine pesticide contaminants detrimentally affect wildlife in many ways, including lowered reproductive success, endocrine disruption, and embryonic defects.
Sager \u2797, Tyler A.
core   +1 more source

Chemical and ecological health of white sucker (Catostomus commersoni) in Rock Creek Park, Washington, D.C., 2003-04 / by Cherie V. Miller ... [et al.] ; prepared in copoeration with the National Park Service [PDF]

open access: yes, 2009
Several classes of chemicals that are known or suspected contaminants were found in bed sediment in Rock Creek, including polyaromatic hydrocarbons (PAHs), phthalate esters, organochlorine pesticides, dioxins and furans, trace metals and metalloids ...
Blazer, Vicki S.   +3 more
core  

Historical Development of Organochlorine Pesticides Legislation in Venezuela [PDF]

open access: yesRevista Ciencias de la Salud, 2009
Information about organochlorine pesticideslegislation in Venezuela was recovered, usingthe search engine Google. Progress and setbackswas analyzed, with information about imports,exports, inventories, storage sites, controls andactions taken for ...
Gerardo Alberto Isea Fernández   +2 more
doaj  

Determination of organochlorine pesticide residues in the raw milk taken from milk collection centers in Urmia in 2020

open access: yesسلامت و محیط, 2021
Background and Objective: Milk is one of the most important components of human food. In recent decades, the continued use of pesticides has led to contamination of soil, water, air and milk and caused public concern in the community.
Naiema Vakili Saatloo   +3 more
doaj  

Chlorinated Hydrocarbons in Marine Female Fishes of Lagos Lagoon [PDF]

open access: yes, 2013
Three female fish species of Snapper (Lutjanus goreensis), Herring (Sardinella maderensis) and Oarfish (Regalecus glesne) were sampled from Lagos Lagoon during the dry and wet seasons of 2008 and 2009 and subjected to cold extraction and clean-up
Anake, W. U., Williams, Akan B.
core   +1 more source

The impact of weather variability and climate change on pesticide applications in the US - An empirical investigation [PDF]

open access: yes
Weather variability and climate change affect the application of pesticides in agriculture, in turn impacting the environment. Using panel data regression for the US, we find that weather and climate differences significantly influence the application ...
Nikolinka G. Koleva   +2 more
core  

Effects of organic and ‘low input’ production methods on food quality and safety [PDF]

open access: yes, 2007
The intensification of agricultural production in the last century has resulted in a significant loss of biodiversity, environmental problems and associated societal costs.
Butler, G.   +5 more
core  

Concentrations of Polychlorinated Biphenyls (PCB’s), Chlorinated Pesticides, and Heavy Metals and Other Elements in Tissues of Belugas, Delphinapterus leucas, from Cook Inlet [PDF]

open access: yes, 2000
Tissues from Cook Inlet beluga whales, Delphinapterus leucas, that were collected as part of the Alaska Marine Mammal Tissue Archival Project were analyzed for polychlorinated biphenyls (PCB’s), chlorinated pesticides, and heavy metals and other elements.
Becker, Paul R.   +9 more
core  

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