Process KPIs are based on the general characteristics described above, and break down into two areas: volatility and volume.
过程K PI基于上面介绍的一般特征，并且分为两个部分：易变率和容积。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
基于钻孔过程中瓦斯动态涌出的基本特点，建立了钻孔瓦斯动态涌出量的理论计算模型。
A standard control chart based on probability integral transform theory is given, which can be used to control process mean and variance efficiently in the low volume manufacturing.
用概率积分变换理论，给出了控制过程均值、过程方差的标准化控制图，适用于小批量生产环境下对过程均值、过程方差的有效控制。
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