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자유아카데미 고분자화학 입문 3판 솔루션 (Polymer Chemistry An Introduction , Malcolm P.Stevens)

등록일 : 2012-03-17
갱신일 : 2012-03-17


  [솔루션] 고분자화학 입문 3판 (Polymer Chemistry - An Introduction, Malcolm P.Stevens - 자유아카데미)[2].pdf   [size : 3,644 Kbyte]
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고분자 입문 3판 Malcolm P. stevens

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PROBLEM 1.1 FIND: Explain the hierarchy of standards. Explain the term standard. Cite example. SOLUTION
The term standard refers to an object or instrument, a method or a procedure that provides a value of an acceptable accuracy for comparison. A primary standard defines the value of the unit to which it is associated. Secondary standards, while based on the primary standard, are more readily accessible and amenable for use in a calibration. There is a hierarchy of secondary standards: A transfer standard might be maintained by a national standards lab (such as NIST in the United States) to calibrate industrial “laboratory standards”. It is costly and time-consuming to certify a laboratory…(생략)
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