物性数据及其推算对于化工过程模拟、优化、设计具有重要意义。
The property data of compound and its estimation are very important for chemical process simulation, optimization and design.
借助制冷剂物性数据图表，计算制冷剂物性，繁琐，费时，误差大。
With refrigerant physical properties data graph to compute physical properties is tedious, time-consuming, and error-large.
石油化工用换热器传热计算大量涉及烃类及其混合物物性数据的计算。
The thermal conduction calculation of heat exchanger used in petrochemical engineering is largely related to physical data of hydrocarbon and its mixture.
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