beta thickness gauge

См. также в других словарях:

• beta gauge — noun Etymology: beta (I) : a device for measuring the thickness of a material by its absorption of beta rays * * * beta gauge, an instrument that measures the thickness of paper, cloth, rolled steel, or other substance, by measuring the… …   Useful english dictionary

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• Aluminium foil — (known as aluminum foil in North America) is aluminium prepared in thin sheets with a thickness less than 0.2 mm / 0.008 in, although much thinner gauges down to 0.006 mm are commonly used. [http://www.alufoil.org/eng/alufoil 343.html European… …   Wikipedia

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• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

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