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When pure, thorium is a silvery white metal which is air-stable and retains its lustre for several months. When contaminated with the oxide, thorium slowly tarnishes in air, becoming grey and finally black. Thorium oxide has a melting point of 3300°C, the highest of all oxides. Only a few elements, such as tungsten, and a …
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Tin is a soft, pliable, silvery-white metal. Tin is not easily oxidized and resists corrosion because it is protected by an oxide film. Tin resists corrosion from distilled sea and soft tap water, and can be attacked by strong acids, alkalis and acid salts. Applications Tin is used in for can coating: tin-plated steel containers …
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tin (Sn), a chemical element belonging to the carbon family, Group 14 (IVa) of the periodic table. It is a soft, silvery white metal with a bluish tinge, known to the ancients in bronze, an alloy with copper. Tin is widely used for plating steel cans used as food containers, in metals used for bearings, …
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Tofu, also known as bean curd in English, is a food prepared by coagulating soy milk and then pressing the resulting curds into solid white blocks of varying softness; it can be silken, soft, firm, extra firm or super firm. Beyond these broad textural categories, there are many varieties of tofu.
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Tundish nozzle is an important part of continuous casting production.Molten steel flows from the tundish into the crystallizer through the tundish nozzle.In this process, the outlet hole will be eroded and widened, the amount of molten steel in unit time will increase, and the surface of molten steel in the mold will increase, so it …
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Tungsten is a lustrous and silvery white metal. The bulk metal resists attack by oxygen, acids and alkalis. Tungsten has the highest melting point of any metal. Applications Tungsten is used in filaments in incandescent light bulbs, it is also used in electric contacts and arc-welding electrodes. Tungsten is used in alloys, such as steel, …
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Dioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam. The tubers are usually a vivid violet-purple to bright lavender in color, but some range in color from cream to plain white. Yams versus Ube Both look like a root and are narrower than a …
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Unsalted butter is produced from fresh sweet cream which has been pasteurised, churned and worked in continuous butter making machines, to produce a premium quality butter. Unsalted Butter is uniform in composition, yellow in colour with a clean nutty flavour typical of butterfat.
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Uraninite, a major ore mineral of uranium, uranium dioxide (UO2). Uraninite usually forms black, gray, or brown crystals that are moderately hard and generally opaque. A variety of uraninite ore that is dense and found in granular masses with a greasy lustre is called pitchblende. Uraninite is radioactive and is the chief source of uranium.
