spontaneous heating

См. также в других словарях:

• spontaneous heating —    Also known as spontaneous combustion. Initially, a slow, exothermic reaction at ambient temperatures. Liberated heat, if undissipated (insulated), accumulates at an increasing rate and may lead to spontaneous ignition of any combustibles… …   Forensic science glossary

• Spontaneous combustion — is a type of combustion which occurs without an external ignition source. How spontaneous combustion occurs # A substance with a relatively low ignition temperature begins to release heat, which may occur in several ways, such as oxidation or… …   Wikipedia

• Spontaneous glass breakage — is a phenomenon by which toughened glass (or tempered) may spontaneously break without any apparent reason. The most common causes are::* Minor damage during installation such as nicked or chipped edges which later develop into larger breaks:*… …   Wikipedia

• Spontaneous combustion, or self-heating, of coal —   A naturally occurring process caused by the oxidation of coal. It is most common in low rank coals and is a potential problem in storing and transporting coal for extended periods. Factors involved in spontaneous combustion include the size of… …   Energy terms

• Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …   Wikipedia

• Pyrophoricity — A pyrophoric substance will ignite spontaneously; that is, its autoignition temperature is below room temperature. Examples are iron sulfide and many reactive metals including uranium, when powdered or sliced thinly. Pyrophoric materials are… …   Wikipedia

• Magnesium — Not to be confused with Manganese. sodium ← magnesium → aluminium Be ↑ Mg ↓ Ca …   Wikipedia

• Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… …   Wikipedia

• Fire sand bucket — A fire sand bucket or fire bucket is a bucket filled with sand which is used to put out fires. They are often kept next to ovens, barbecues, and other areas where fires can occur. They are also commanly found in hyperbaric chambers. Because oil… …   Wikipedia

• Pyrophoricité — La pyrophoricité du plutonium peut le faire apparaitre comme une braise dans certaines conditions. La pyrophoricité (ou le pyrophorisme) est la propriété de certaines substances de s enflammer spontanément aux températures ambiantes, d où le nom… …   Wikipédia en Français

• Selbsterhitzung — (f) eng spontaneous heating …   Arbeitssicherheit und Gesundheitsschutz Glossar