Determining accurately the index of heating consumption in residential building is one of essential methods for verifying investigation and generalization of energy saving techniques in buildings.
准确确定建筑物的采暖耗热量指标，是检验建筑节能技术研究与推广的重要手段。
2
This article discusses the acidic potassium permanganate method of permanganate index from the following aspects: heating time, titrate temperature and titrate speed, end point of titration.
前言：文章对高锰酸盐指数加热时间、滴定温度、速度、滴定终点的控制进行了探讨。
3
The main factors that affect the grain refinement are heating and cooling rate, holding time and cycle index.