GOST R 8.1020-2023
确保测量一致性的国家系统 甲烷有液态和气态之分 温度范围为 91 至 700 K、压力高达 100 MPa 的热力学特性、动态粘度系数和导热系数
State system for ensuring the uniformity of measurements. Liquid and gaseous methane. Thermodynamic properties, dynamic viscosity and thermal conductivity at temperatures range from 91 K to 700 K and pressures up to 100 MPa