contamination of atmosphere
51vacuum technology — Introduction all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …
52Gouvernance environnementale — L’environnement et les ressources naturelles doivent être considérés comme des biens communs mondiaux, qui appartiennent aux catégories spécifiques des biens non manufacturés qui, lorsqu’ils sont partagés, peuvent être soit divisés soit… …
53Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …
54Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
55Césium 137 — Le césium 137, noté 137Cs, est l un des 39 isotopes connus du césium, élément qui a le plus grand nombre d isotopes après le francium. Diagramme présentant les retombées des 10 principaux essais nucléaires qui ont le plus exposés la population… …
56pollution — /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… …
57Corby toxic waste case — The Corby toxic waste contamination ruling was an official proclamation delivered by The Hon. Mr. Justice Akenhead at the High Court of Justice, London, on 29 July 2009 in the case of Corby Group Litigation v. Corby Borough Council [2009] EWHC… …
58Chernobyl disaster effects — The Chernobyl disaster triggered the release of substantial amounts of radiation into the atmosphere in the form of both particulate and gaseous radioisotopes. It is the most significant unintentional release of radiation into the environment to… …
597440-41-7 — Béryllium Pour les articles homonymes, voir Béryllium (maladie professionnelle). Béryllium …
60Berylium — Béryllium Pour les articles homonymes, voir Béryllium (maladie professionnelle). Béryllium …
