As we know, everyone always hope to be respected by others. There are many reasons for...

IP属地:山西
As we know, everyone always hope to be respected by others. There are many reasons for...
热和功 热和功是系统发生变化时与环境进行能景交换的两种形式。也就是说,只有当系统经历某过程时,才能以热和功的形式与环境交换能量。热和功均具有能量的单位,如J,k等。 热(Q)...