Standard Practice for Collection of Channel Samples of Coal in a Mine Ingestion-build-156411 It also provides detailed discussion

It also provides detailed discussion and advice on applying a set of project processes that are common to both the software and system life cycle as covered by ISO/IEC 12207:2008 (IEEE Std 12207-2008)

each covering the frequency range in steps with a frequency ratio of approximately 1

This expectation can be assessed by exposure of the specimen to a range of simulated environmental parameters controlled in the laboratory

It is hoped that this code of practice will encourage and assist the good management of the manufacture

ISBN 0 580 48182 4

Standard Practice for Collection of Channel Samples of Coal in a Mine Ingestion-build-156411 It also provides detailed discussion