Complicated volume changes of high performance concrete (HPC)is one of significant causes which results in its early-age cracking.
高性能混凝土复杂的早期体积变化是导致其易发生早期开裂的重要原因之一。
参考来源 - 多因素复合作用下高性能混凝土体积变化的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
And we combine this with first law, which for the case of pressure volume changes we write as this.
结合第一和第二定律,对于压强体积功我们可以这样写。
And you already saw last time there was this relationship between the temperature and volume changes along an adiabatic path.
是条绝热路径,而上次你已经看到,沿着绝热路径温度和体积,的变化有这个关系。
This is an example where the external pressure here is kept fixed as the volume changes, but it doesn't have to be kept fixed.
在我们举的这个例子中,外界压强不变,气体体积改变。
"We see that men have greater volume loss, the men have greater changes in their white matter,"
VOA: standard.2009.12.19
And we combine this with first law, which for the case of pressure volume changes we write as this.
结合第一和第二定律,对于压强体积功我们可以这样写。
And you already saw last time there was this relationship between the temperature and volume changes along an adiabatic path.
是条绝热路径,而上次你已经看到,沿着绝热路径温度和体积,的变化有这个关系。
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