Anewflowdiagrammingschemeformappingandanalysisofmulti-productflowsinafacility；Anewgeneticalgorithmforthemachine/partgroupingprobleminvolvingprocessingtimesandlotsizes；Acousticemissionduringquenchingof42CrMo4steel；Anothersimilaritycoefficientforthep-medianmodelingrouptechnology；Investigationofabnormalwearofmassivemachinepart-welded-technicalchromiumlayersystem……
