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。

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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。

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The main factors that affect the grain refinement are heating and cooling rate, holding time and cycle index.

影响细化效果的主要因素有：加热速度、保温时间、冷却速度和循环次数。

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In America, the energy index rose a whopping 3.8% in September as petrol, heating-oil and natural-gas prices all shot up.

ECONOMIST: Whiffs of inflation? | The

Crude oil accounts for a hefty 23% weighting, and along with gasoline, heating oil and natural gas, the energy complex totals nearly 40% of the entire index.

FORBES: Commodity Bull Breakdown