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In this article, from the view point of establishing the estimatingcriterion of gradation reliability of sample inspection of raw silk,the fundamental relational formula between gradation reliabilityand sample size,as well as the parameters of grade intervals hasbeen derived;in accordance with the principle of uniformity inreliability in each grade,the supposed method in grade limitvalue of the same grade of raw silk is given.Finally,the criterionfor different specification indexes of raw silk of the same gradeare proposed.The above-mentioned results provided systematic,fundamental theory for the establishment of gradation standards insample inspections.
In this article, from the view point of establishing the estimatingcriterion of gradation reliability of sample inspection of raw silk, the fundamental relational formula between gradation reliabilityand sample size, as well as the parameters of grade intervals hasbeen derived; in accordance with the principle of uniformity inreliability in each grade, the same method in grade limit value of the same grade of raw silk is given. Finally, the criterion for different specification indexes of raw silk of the same grade recommended. These above-mentioned results provided systematic, fundamental theory for the establishment of gradation standards insample inspections.