gas sintering

  • 31Nitrogen generator — Nitrogen generators and stations are stationary or mobile air to nitrogen production complexes. In advanced economies, membrane nitrogen plants have almost ousted alternative processes of nitrogen generation in all cases where nitrogen is not… …

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  • 32Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh …

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  • 33Gaseous diffusion — is a technology used to produce enriched uranium by forcing gaseous uranium hexafluoride, UF6, through semi permeable membranes. This produces a slight separation between the molecules containing uranium 235 and uranium 238. By use of a large… …

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  • 34Recovery boiler — is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor. In the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. The heat is usually used… …

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  • 35lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …

    Universalium

  • 36Samarium — promethium ← samarium → europium ↑ Sm ↓ …

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  • 37Molecular diffusion — This article is about spontaneous dispersion of mass. For a more generic treatment of diffusion, see Diffusion. Diffusion from a microscopic and macroscopic point of view. Initially, there are solute molecules on the left side of a barrier… …

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  • 38Manganese(IV) fluoride — IUPAC name manganese tetrafluoride Other names manga …

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  • 39Texada Island — is the largest island in the Strait of Georgia, British Columbia, Canada. Its northern tip is located about convert|8|km|mi southwest of the city of Powell River in the Powell River Regional District on the Sunshine Coast. A former mining and… …

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  • 40conductive ceramics — Introduction       advanced industrial materials that, owing to modifications in their structure, serve as electrical conductors.       In addition to the well known physical properties of ceramic materials hardness, compressive strength,… …

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