contamination of atmosphere
21Liste d'accidents nucléaires — Chemins de contamination radioactive par l air vers l être humain Sommaire 1 Introduction …
22food preservation — Any method by which food is protected against spoilage by oxidation, bacteria, molds, and microorganisms. Traditional methods include dehydration, smoking, salting, controlled fermentation (including pickling), and candying; certain spices have… …
23Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …
24Radioisotope thermoelectric generator — A radioisotope thermoelectric generator (RTG, RITEG) is an electrical generator which obtains its power from radioactive decay. In such a device, the heat released by the decay of a suitable radioactive material is converted into electricity by… …
25Methods of detecting extrasolar planets — Any planet is an extremely faint light source compared to its parent star. In addition to the intrinsic difficulty of detecting such a faint light source, the light from the parent star causes a glare that washes it out. For those reasons, only a …
26Colonisation de l'espace — Pour les autres significations, voir colonisation de l espace en fiction. Habitat spatial en construction de type tore de Stanford, Dessin d artiste pour la …
27Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
28Accident nucléaire — Chemins de contamination radioactive par l air vers l être humain. Un accident nucléaire, ou accident radiologique, est un événement qui risque d’entraîner une émission de matières radioactives ou un niveau de radioactivité susceptible de porter… …
29Europe (lune) — Traduction à relire Europa (moon) → …
30Radioactivité — Pour les articles homonymes, voir Radio. Pictogramme signalant un risque d irradiation. (☢) La radioactivité, phénomène qui fut découvert en 1896 par Henri …
