Then it analyzes the combustion characteristic of the LPG engine based on the curve of the heat release rate, and puts forward the measure of improving the performance of the LPG engine.

由生成的放热规律曲线分析了液化石油气发动机的燃烧特性，并提出了改善液化石油气发动机的性能的措施。

youdao

This article gives the evaluation method for performance of heat preservation of wall in solar greenhouse, which accepts the heat release of wall at night as the evaluation index.

本文提出了以墙体夜间放热量作为评价指标的日光温室墙体保温蓄热性能评价的方法。

youdao