Research Article

Thermodynamic Characteristics of Methane Adsorption of Coal with Different Initial Gas Pressures at Different Temperatures

Table 2

The test scheme.

SamplesFree gas pressure (MPa)Free gas content (L)Temperature (°C)

#130, 40, …, 90
30, 40, …, 90
30, 40, …, 90

#230, 40, …, 90
30, 40, …, 90
30, 40, …, 90