persistent pesticides

См. также в других словарях:

• persistent — adjective Etymology: Latin persistent , persistens, present participle of persistere Date: 1826 1. existing for a long or longer than usual time or continuously: as a. retained beyond the usual period < a persistent leaf > b. continuing without… …   New Collegiate Dictionary

• persistent — per·sis·tent tənt adj 1) existing or continuing for a long time: as a) effective in the open for an appreciable time usu. through slow volatilizing <mustard gas is persistent> b) degraded only slowly by the environment <persistent… …   Medical dictionary

• Persistent organic pollutant — State parties to the Stockholm Convention on Persistent Organic Pollutants Persistent organic pollutants (POPs) are organic compounds that are resistant to environmental degradation through chemical, biological, and photolytic processes …   Wikipedia

• persistent — Chemicals with a long inactivation or degradation time, such as some pesticides. Persistent substances can become dangerously concentrated in the tissues of organisms at the top end of a food chain …   Glossary of Biotechnology

• persistent organic pollutant — noun an organic compound, as used in pesticides, plastics, solvents, etc., which accumulates in the environment; viewed as a threat to health in affecting reproduction, the immune system, the kidneys, and other biological processes. Abbrev.: POP …  

• Environmental effects of pesticides — Use of pesticides can have unintended effects on the environment. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, including nontarget species, air, water, bottom sediments, and… …   Wikipedia

• Stockholm Convention on Persistent Organic Pollutants — The logo of the Stockholm Convention Secretariat Type United Nations treaty Signed 23 May 2001 Location Stockholm, Sweden Effective 17 May 2004 Condition Ninety days a …   Wikipedia

• non-persistent — non persisˈtent adjective (of eg insecticides and pesticides) decomposing rapidly after application and not lingering in the environment • • • Main Entry: ↑non …   Useful english dictionary

• Pollution in eloor — ENVIRONMENTAL POLLUTION Environmental pollution is the addition of any substance or form of energy (e.g., heat, sound, radioactivity) to the environment at a rate faster than the environment can accommodate it by dispersion, breakdown, recycling …   Wikipedia

• pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …   Universalium

• Dieldrin — IUPAC name (1aR,2R,2aS,3S,6R,6aR,7S,7aS) 3,4,5,6,9,9 hexachloro 1a,2,2a,3,6,6a,7,7a octa …   Wikipedia