abrasion test

  • 41elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …

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  • 42photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …

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  • 43Diamond-like carbon — A ta C thin film on silicon (15 mm diameter) exhibiting regions of 40 nm and 80 nm thickness …

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  • 44diagnosis — /duy euhg noh sis/, n., pl. diagnoses / seez/. 1. Med. a. the process of determining by examination the nature and circumstances of a diseased condition. b. the decision reached from such an examination. Abbr.: Dx 2. Biol. scientific… …

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  • 45materials testing — Introduction       measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… …

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  • 46Projet:Médecine/Index — Articles 0 9 1,2 dibromo 3 chloropropane · 112 (numéro d urgence européen) · 1935 en santé et médecine · 1941 en santé et médecine · 1er régiment médical · 2 iodothyronine déiodinase · 2,4,6 trichlorophénol · 2005 en santé et médecine · 2006 en… …

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  • 47Liste des articles de médecine — Projet:Médecine/Index Articles 0 9 112 (numéro d urgence européen) · 2 iodothyronine déiodinase · 2,4,6 trichlorophénol · 3000 Scénarios contre un virus · A A. J. Cronin · Aaron Esterson · Aaron Temkin Beck · Abacavir · Abascantus · Abasie ·… …

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  • 48Diving cylinder — Diving cylinders to be filled at a diving air compressor station …

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  • 49Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …

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  • 50Motorcycle helmet — A collection of motorcycle helmets worn by Moto GP racer Valentino Rossi A motorcycle helmet is a type of protective headgear used by motorcycle riders. The primary goal of a motorcycle helmet is motorcycle safety to protect the rider s head… …

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