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The effect of microstructure on the toughness of ferritic nodular cast iron

โœ Scribed by S. Nishi; T. Kobayashi; S. Taga

Publisher
Springer
Year
1976
Tongue
English
Weight
1013 KB
Volume
11
Category
Article
ISSN
0022-2461

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## Chinese abstract5 population mean with confidence level y (say, 90%). The acceptable percent error 6 is usually S%. It is obvious from the above-mentioned expression that if one wants to find the sample size n, he will have to follow a trial-and-error procedure. By referring to some test data