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The accord states that limiting temperature increases to no more than two degrees Celsius is necessary to stop the worst effects of climate change.
VOA: special.2010.01.19
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Now, you can have a change of temperature without any heat being involved.
不进行热量传递也可以改变温度,想象有一个热绝缘的盒子。
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We can change of temperature.
我们可以改变温度。
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The crispers can get too cold, and the temperature of the walls can change.
VOA: special.2010.02.24
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Now, the coefficient that relates the amount of heat in to the temperature change is obviously going to be different for these two cases.
在这两个例子中,很显然联系热量和温度变化的系数,是不一样的。
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You know, we've done a bunch of thermochemistry, and we've kind of seen that the energy of mixing, your energetics don't change too much as a function of temperature.
我们做过很多的化学热力学习题，某种程度上我们发现混合的能量，并不随着能量,发生大的改变。
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In other words, how much does the temperature of the whole thing change when you put an ordinary amount of material in there and run a reaction, right. Well, what do you do?
当你放入通常数量的材料,并进行反应时,整个装置的温度,改变有多少，你要做什么？
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So we don't really need to put in a certain amount of heat and change the temperature of the products and the calorimeter and so on.
所以我们实际上并不需要输入,一定的热量，改变生成物,和量热计的温度之类。
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Heat capacity relates the amount of heat that you add to the system to the change in temperature, and this is the relationship.
热容联系起给系统提供的,热量和温度的变化，关系式是这样的：
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Now let's change the pressure and temperature and sweep through a whole range of pressures and temperatures and measure the volume in every one of them.
然后改变气压和温度,并且让气压和温度,取便所有可能的数值,测量相应的体积。
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It's just how much heat is involved when we change the temperature. Now, the products have some heat capacity associated with them right, it takes a certain amount of heat if we make their temperature change, to either put it in or take it away, depending on which direction the temperature is changing.
问题就是当我们改变温度时,有多少热量发生了转移,生成物具有一定的热容,如果我们改变,它们的温度，就要输入或,提取一定的热量,这取决于温度改变的方向。
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