نتایج جستجو برای: factory
تعداد نتایج: 13719 فیلتر نتایج به سال:
This paper describes a virtual factory in which almost any manufacturing process can be deened, modelled, and then carried out. The results of this are designs of the components manufactured (in the form of geometric models) and part programs and process plans for their manufacture. Both of these can subsequently be reloaded into the virtual factory and amended and enhanced, or|in the case of t...
چکیده ندارد.
background: heavy metals (hms) are one of the most important polluting substances emitted to the environment during cement production. tehran cement factory located in the southeastern of tehran, iran, closer to agricultural lands cultivates alfalfa, barley, and maize as feed. the objective of the study was to determine the concentration of hms in agricultural soils. methods: thirty six soil sa...
In this era of digital technology and network communications, paper-based data management can be a bottleneck, slowing factory-wide information transfer. This study explores the evolution of paperless communication in a factory environment and reviews some of the key technologies that contribute to the implementation of a paperless system including digital communication, the virtual factory, co...
A virtual factory integrated manufacturing system combined with system simulation and virtual reality is introduced in this paper. We describe the system architecture and development methodology, provide the working principle of process simulation and monitoring in virtual factory, and then explain the detailed applications of virtual factory integrated manufacturing system. With the visualizat...
Collaborating autonomous agents are becoming an increasingly attractive alternative to traditional hierarchical control architectures, offering better support for robustness, scalability, reconfigurability, and reusability, especially in systems where problem solving and decision making must be distributed. This is particularly true for the Virtual Factory [11] model of factory integration. In ...
OBJECTIVES We carried out a detailed exposure assessment of benzene and toluene in two shoe factories in Tianjin, China. Our goal was to identify workers with a broad range of benzene exposures, for an epidemiologic study relating exposure to early biologic effects. METHODS A comprehensive exposure survey program was initiated. Over a period of 16 months, 2783 personal solvent exposure sample...
Part of software maintenance consists in applying program transformations system-wide. In a number of recent papers, a factory approach has been advocated in which one program after another is fed to an assembly line that consists of a sequence of transformation tools. The general feeling seems to be that such factories have to be constructed and operated by specialists (the ‘vendors’). We thin...
BACKGROUND The yeast Saccharomyces cerevisiae is increasingly used as a cell factory. However, cell factory construction time is a major obstacle towards using yeast for bio-production. Hence, tools to speed up cell factory construction are desirable. RESULTS In this study, we have developed a new Cas9/dCas9 based system, SWITCH, which allows Saccharomyces cerevisiae strains to iteratively al...
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