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yong shu li tong ji fang fa kong zhi shu liao zhi liang
Author(s): 
Pages: 26-29
Year: Issue:  1
Journal: Yunnan Building Materials

Keyword:  熟料质量数理统计方法熟料标号三月份抗压强度控制图因果图饱和比标准偏差单值;
Abstract: <正> 我厂1981年一季度熟料质量较好,三月份两窑平均标号达635号,但是以后熟料质量逐渐下降,到六月份两窑平均标号才达561号.熟料质量下降主要是抗压强度7~28天增长率低,28天抗压强度上不去.为了尽快扭转被动局面,我厂专门组织成立了《提高28天熟料强度攻关小组》.本文就我厂这次攻关的一些实际情况,谈谈水泥厂全面质量管理中用数理统计方法控制、分析熟料质量的一些尝试及收效.
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