本文分析了我国某些炼厂的气体尚未合理利用的主要原因，并提出了七条具体建议。
Seven proposals concerning the reasonable utilization of refinery gases are presented based on the analysis of the present situation of refineries in China.
利用MATLAB的数值回归分析功能，得到了几种常见理想气体定容比热容与温度的线性回归公式，数理统计分析的结果证明了这些回归公式的合理性，回归公式的最大相对误差低于5%。
Several linear regression equations of the specific heat at constant volume for ideal gas based on MATLAB were proposed and proved by mathematical statistics, with maximum relative error less than 5%.
不仅如此，捷豹路虎更以实际行动在运营中持续降低温室气体和废物排放、合理利用自然资源。
In addition, JLR adopts an active CSR programme aiming to continuously reduce greenhouse gas and waste emissions from its operations as well as make full use of natural resources wherever possible.
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