This paper introduces the data management system in the computer 'system for raw material handling plant of Tangshan Iron and Steel Company, and describes its functions, structure and realization.

本文介绍唐钢二炼铁厂原料场计算机系统中的数据管理系统，对该系统的功能、构成和实现等作了简述。

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The cooker discharge, percolator, press, grinders and other equipment in the finished product area shall be entirely separate from the charging and other raw material handling areas.

成品区的蒸煮锅卸料、渗滤器、压榨、磨具和其它设备，应与卸料区和其它原料装卸区完全分开。

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This article analyzes and studies the raw material handling, growth technology, crystal structure, character and defect of the ytterbium doped natrium yttrium tungstate laser crystal.

本文对掺镱双钨酸钇钠晶体的原料处理、生长工艺及晶体结构、性能和缺陷进行了研究分析。

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