upper explosive limit concentration

  • 91Mars — /mahrz/, n. 1. the ancient Roman god of war and agriculture, identified with the Greek god Ares. 2. Astron. the planet fourth in order from the sun, having a diameter of 4222 miles (6794 km), a mean distance from the sun of 141.6 million miles… …

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  • 92publishing, history of — Introduction       an account of the selection, preparation, and marketing of printed matter from its origins in ancient times to the present. The activity has grown from small beginnings into a vast and complex industry responsible for the… …

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  • 93Jubilee (comics) — Superherobox caption=Jubilee as Wondra. Art by Paco Medina. comic color=background:#ff8080 character name=Wondra real name=Jubilation Jubilee Lee species=Human Mutant publisher=Marvel Comics debut= Uncanny X Men #244 (May, 1989) creators=Chris… …

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  • 94Nickel — This article is about the chemical element. For other uses, see Nickel (disambiguation). cobalt ← nickel → copper ↑ Ni ↓ Pd …

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  • 95Himalayas — Himalayan, adj. /him euh lay euhz, hi mahl yeuhz/, n. the, a mountain range extending about 1500 mi. (2400 km) along the border between India and Tibet. Highest peak, Mt. Everest, 29,028 ft. (8848 m). Also called the Himalaya, Himalaya Mountains …

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  • 96South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… …

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  • 97Champagne (wine) — This article is about the Champagne, which comes from the Champagne region of France. For other uses, see Champagne (disambiguation). For all sparkling wines, see Sparkling wine. Champagne, a festive wine Champagne (French: [ʃɑ̃.paɲ]; …

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  • 98Battle of Navarino — Infobox Military Conflict conflict=Battle of Navarino partof=the Greek War of Independence and the Russo Turkish War of 1828 1829 caption= The Naval Battle of Navarino (1827). Oil painting by Carneray. date=20 October 1827 place=Navarino, Greece… …

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  • 99Architecture and Civil Engineering — ▪ 2009 Introduction Architecture       For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)).        Beijing was the centre of the world of architecture… …

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  • 100Chicxulub crater — Imaging from NASA s Shuttle Radar Topography Mission STS 99 reveals part of the 180 kilometer (112 mi) diameter ring of the crater; clustered around the crater s trough are numerous sinkholes, suggesting a prehistoric oceanic basin in… …

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