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molybdenum-disulfide powder

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  • Molybdenum disulfide — Molybdenum disulfide …   Wikipedia

  • molybdenum disulfide — Chem. a black crystalline powder, MoS2, insoluble in water, used as a lubricant and as a hydrogenation catalyst. Also called molybdenum sulfide. [1930 35] * * * molybdenum disulfide, a black powder that is a compound of molybdenum and sulfur,… …   Useful english dictionary

  • molybdenum disulfide — Chem. a black crystalline powder, MoS2, insoluble in water, used as a lubricant and as a hydrogenation catalyst. Also called molybdenum sulfide. [1930 35] * * * …   Universalium

  • molybdenum — /meuh lib deuh neuhm/, n. Chem. a silver white metallic element, used as an alloy with iron in making hard, high speed cutting tools. Symbol: Mo; at. wt.: 95.94; at. no.: 42; sp. gr.: 10.2. [1810 20; < NL, alter. of earlier molybdena < L… …   Universalium

  • Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …   Wikipedia

  • Dry lubricant — Dry lubricants or solid lubricants are materials which despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid media. Such lubricants, including materials such as …   Wikipedia

  • Lubricant — A lubricant is a substance introduced to reduce friction between moving surfaces. It may also have the function of transporting foreign particles and of distributing heat. The property of reducing friction is known as lubricity. A good lubricant… …   Wikipedia

  • Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh …   Wikipedia

  • Internal ballistics — Internal ballistics, a subfield of ballistics, is the study of a projectile s behavior from the time its propellant s igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of… …   Wikipedia

  • Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …   Wikipedia

  • Rifle — A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ( rifling ) cut into the barrel walls. The raised areas of the rifling are called lands, which make contact with the… …   Wikipedia

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