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In the process of collaborative design, a large number of versions are produced. Storing and accessing versions is very frequent, so version storage in the process of collaborative design has become the core issue of version management. In recent years, how to reduce the storage space and improve the retrieval efficiency has become a research hotspot, however the research of version security is still...
In order to solve the problem of temperature measurement applied to hot metal of the blast furnace under smoggy and dusty environment, an optical and electronic integration sensor which is passable ray and airtight cavity by sheet iron was devised. Based on the sensor, a portable thermometer was designed and made. The detection for temperature of hot metal with the technology has characteristics of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.