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阳极焙烧炉是铝用颓焙阳极生产的关键工艺设备之一，其一般设计寿命为8年，但目前许多焙烧炉使用不足8年，即由于能耗高，填充料烧损严重，以及阳极质量差，运行成本增高，而不得不进行大修，或中间过程中的小修。成为抬高生产成本的一个重要原因，是焙烧工业中急需解决的关键问题之一。造成焙烧炉使用寿命缩短的原因很多，现只就砌筑工艺的影响进行如下探讨。 相似文献
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According to the political system of our country, the administrative power operation has a strong tendency of expansion and arbitrariness, squeezing the citizens private right . How to supervise the expansion and arbitrariness of administrative power？ How to operate administrative power well？ The news public opinion would be the valid mechanism to supervise administrative power operation. Involving a practical case. This article starts with the valid function and encountered problem meeting of news public supervision, elaborates the reason and legal principle of the supervision news public opinion to administrative power operation, reviews and comments actualities and prob- lems of the news pubic supervision in our country, explores valid mechanism about supervision of news public opinion to administrative power operation, then tries to put forward some measures to improve and enhance our news public supervision. 相似文献
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