Proposes that the role of traceability in manufacturing systems is to
enable the history of events to be followed and compared with scheduled
plans and predefined goals. Tracing techniques can be used to detect
system status (status tracing), analyse system performance (performance
tracing) and support decision making (goal tracing). Manufacturing
systems are conceptualized as having the levels of strategy, planning
and design, and operations. There is a need for all three forms of
traceability at each manufacturing system level. The traceabilities
approach provides a structured, holistic way of thinking about and
designing manufacturing information systems which is not constrained by
the physical system or by the narrower requirements of a computer
management system.
Nanometer-scale magnetite particles were prepared in a dispersing system with a dispersant at a very low concentration. The mean sizes of the particles prepared under optimum conditions were determined using transmission electron microscopy (TEM) to be approximately 3.8 nm. X-ray diffraction and electron diffraction pattern showed that the particles' phase was consistent with magnetite. The magnetic characteristics were studied using a vibration sample magnetometer (VSM). The dried samples exhibited approximately superparamagnetic behavior.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.