The thesis comes from a project that is to design a new automatic control system on a Calcium Carbide closed furnace in a chemical plant.

本文的研究背景为某化工厂的大型密闭电石炉自动化技改项目。

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In view of the requirements of the project, the thesis mainly studies the control model and the control strategy of the Calcium Carbide closed furnace.

本文针对该项目控制系统改造的要求，重点进行了控制模型建立和控制算法的探讨研究工作。

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A flash empurpled all the facades in the street as though the door of a furnace had been flung open, and hastily closed again.

火光一闪，把街旁的房屋照成紫色，好象有个火炉的门突然开了一下，又立即闭上似的。

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The sculpture was made using the last slab of steel produced at the plant before it closed and the first to roll off after the furnace was relit by Mr Waterfield's son Wills last year.

BBC: Geoff Waterfield sculpture unveiled at steelworks