It actually helps; by adding air into the mattress, you can increase the thermalvalue.
实际上这是很有帮助的，在气垫里增加气体，你可以增加温度。
2
The shells, which have a thermalvalue similar to that of wood, will be mixed with the coal in a 1-to-33 ratio.
这些豆壳与木头的热能价值相近，将以1：33的比例与煤混合。
3
This paper analysed the principle of water-gas producer and its calculation of thermalvalue, explained the feasibility of the boiler burning water-gas.