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Geometallurgy tries to predict the instability the behavior of ores caused by variability in the geological settings, and to optimize the mineral value chain. Understanding the ore variability and subsequently the process response are considered to be the most important functions of an accurate geometallurgical study. In this paper, the geometallurgical index is presented as a new tool to...

This report describes the representation of variant rich process models and the derivation of concrete process models using variability mechanisms. Therefore based on a study of existing variability mechanisms, architecturally relevant variability mechanisms are identified and their transfer first onto generic processes and then onto UML Activity Diagrams, UML State Machines, BPMN, and Matlab/S...

The types of process variation causing device mismatch are investigated. A set of test structures intended to examine a broad range of device and mismatch causes has been fabricated. Some sample results obtained by statistical processing of electrical measurements are presented. 1.0 Introduction Mismatch is defined as the difference in the value of a device parameter among identically designed ...

Process capability of a process is defined as inherent variability of a process which is running under chance cause of variation only. Process capability index is measuring the ability of a process to meet the product specification limit. Generally process capability is measured by 6 assuming that the product characteristic follows Normal distribution. In many practical situations the product ...