metal pouring temperature
51Magnetic nanoparticles — are a class of nanoparticle which can be manipulated using magnetic field. Such particles commonly consist of magnetic elements such as iron, nickel and cobalt and their chemical compounds. While nanoparticles are smaller than 1 micrometer in… …
52Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …
53lithium — /lith ee euhm/, n. 1. Chem. a soft, silver white metallic element, the lightest of all metals, occurring combined in certain minerals. Symbol: Li; at. wt.: 6.939; at. no.: 3; sp. gr.: 0.53 at 20°C. 2. Pharm. the substance in its carbonate or… …
54Glass casting — is the process by which cast glass objects, either functional or artistic, are produced by allowing molten glass to solidify in a mould (a process called casting). This technique has been used since the Egyptian period. Modern cast glass is… …
55Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
56Cornbread — For other uses, see Cornbread (disambiguation). Cornbread baked in an iron skillet …
57MythBusters (2005 season) — Country of origin Australia United States No. of episodes 26 (includes 7 specials) Broadcast Original channel Discovery Channel …
58Traditional Chinese medicine — Alternative medical systems Traditional Chinese medicin …
59Mate (beverage) — For other uses, see Mate (disambiguation). Mate Mate in a traditional calabash gourd. Type Infusion Country of origin Paraguay, Uruguay, Argentina …
60Ceramic glaze — Composite body, painted, and glazed bottle. Dated 16th century. From Iran. New York Metropolitan Museum of Art. Glaze is a layer or coating of a vitreous substance which has been fired to fuse to a ceramic object to color, decorate, strengthen or …
