The study work of this paper as follows:(1) Price forecast model for chemical product is established and verificated which is based on grey system theory.
本文进行的研究工作如下：（1）基于灰色系统理论的化工产品价格预测模型的建立及验证。
According to Grey Forecasting theory, this paper presents two sets of Grey System Model which can be applied to forecast heating load — GM (1, 1) and Grey Correction Model.
本文根据灰色预测理论，提出了两种适用于供热负荷预测的灰色系统方法——GM(1,1)法和灰色校正模型法。
By forecasting a case and comparing it with the method of grey system forecasting model, we can see that the forecast results are very close.
通过实例预测并与灰色系统预测模型方法进行比较，结果表明，其预测值相当接近。
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