dust-explosion protection
51Fireworks — Firework redirects here. For other uses, see Fireworks (disambiguation). Pyrotechnics portal …
52Potassium nitrate (data page) — Potassium nitrate is an oxidizer so storing it near fire hazards or reducing agents should be avoided to minimise risk in case of a fire. Product Identification Synonyms : Saltpeter; Niter/Nitre; Nitric acid potassium salt; Salt Peter CAS No. :… …
53space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
54ГОСТ Р ЕН 1127-2-2009: Взрывоопасные среды. Взрывозащита и предотвращение взрыва. Часть 2. Основополагающая концепция и методология (для подземных выработок) — Терминология ГОСТ Р ЕН 1127 2 2009: Взрывоопасные среды. Взрывозащита и предотвращение взрыва. Часть 2. Основополагающая концепция и методология (для подземных выработок): 3.28 безопасный экспериментальный максимальный зазор; БЭМЗ (maximum… …
Словарь-справочник терминов нормативно-технической документации
55Depleted 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… …
56BMP-1 — at US Bolling Air Force Base, 1 October 1986. Type Infantry fighting vehicle Place of origin …
57List of Dragonlance locations — The List of Dragonlance locations tries to enumerate the most important cities, towns, castles and villages found in the world of Krynn, from the Dragonlance setting.=Ansalon=The continent on which most of the books and stories in the Dragonlance …
58United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
59Dates of 2008 — ▪ 2009 January As we meet tonight, our economy is undergoing a period of uncertainty.… At kitchen tables across our country, there is a concern about our economic future. U.S. Pres. George W. Bush, in his final state of the union address, January …
60HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …
