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You have extensive properties and intensive properties The extensive properties are the ones that scale with the size of the system.
广延量,和强度量,广延量的值,随着系统的规模变化。
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However, the thing to remember is, when you look at heats of reaction under those conditions it's all well and good.
相反，需要记住，当你需要知道反应中放出的热量时,这些量是很有用的。
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It can mean a measuring rod. And so it comes to be a list that accounts as authoritative in early Christianity.
量杆的意思，所以它是一列书目,它在早期基督教里是权威的。
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Cut the problem in half. Cut the problem in half again. And that's a typical characterization of a log algorithm.
是每次除以特定的量,将问题减一半，再减一半,如此，这就是对数算法的典型特性。
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And in contrast, in the lower left hand part of the periodic table, these 2 quantities are low, so also what we're going to see is low electronegativity.
相反地，在周期表的左下部分，这两个量的值都很小，因此我们会看到这里的电负性也很低。
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Here's my last slide The National Association of Homebuilders surveys its membership to ask them what is the traffic of homebuyers?
最后一张幻灯片,全美房屋建造协会调查了它的成员,询问他们购房者参观量的情况
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You regulate your breathing rate in order to accomplish that and we'll talk about this in a couple of weeks.
人们调节呼吸的频率来获得足量的氧气,我们过几周会讲到这方面内容
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I draw a graph here of the amount by which I pull the spring versus the force it exerts.
我在这里画个图,纵轴是弹簧的拉伸量,横轴是力的大小
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Clearly, if I did nothing more, but I took every car, doubled its fuel economy, its emissions would go to 50% of what they are now, no other changes being made.
显然，如果我什么也不做，但是我把没量车的汽油价加倍，汽车废气排放量就会是现在的一半了，别的不会有什么改变。
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fancy restaurant Right, because you waste your money if you're buying these little portions of healthy food.
宰人的高档餐厅,很好,因为一旦你购买了这些量很少的,健康食品你就是在浪费金钱
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In particular, they increase the amount of norepinephrine, a neurotransmitter that's responsible for just general arousal.
具体来说,安非他命会引起,去甲肾上腺素释放量的增加,去甲肾上腺素,是种负责一般性唤醒的神经递质
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So I should cheat and pick the quantity on my best response line that's much farther out so I'll produce more than my quantity.
我会违约选择我最佳对策的产量,我会生产出远远多于协约量的产品来
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That's very an odd qulification: or nearly so.
这是个非常奇怪的量的修饰：，几乎。
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And we saw that in fact in this case delta S of mixing, we calculated it, saw that it is positive.
实际上如果我们计算气体混合过程中,熵的变化，我们会发现这个量是正的。
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You calculate how much heat is released in the reaction. And then what's going to matter is what's the heat capacity of the whole, of the calorimeter?
就是计算在反应中,放出了多少热量,接下来关键的是,整个量热计的热容是多少？
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So, if we think about the second case here where we have c n minus, now we're talking about a molecule with a net charge of negative 1.
那么，如果我们考虑的是第二个例子,也就是氰离子，那么现在我们讨论的是一个净电荷量为负一的分子。
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How do we go from that experiment to H the terms that we're trying to get, these slopes.
我们怎样从实验得到我们想要的量？,记住，我们想要得到Δ
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Obviously-- and that's a bad way of saying it, I said constant the previous time-- in the linear case, it's subtract by certain amount.
这么描述很不准确，我之前在，线性算法中也说了常数,它是每次减少固定的量。
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We learned that a vector is a quantity that has a magnitude and a direction.
我们已经知道矢量是一个,既有大小又有方向的量
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Let's just say it's the Kellogg's Frosted Flakes and three quarters of a cup is about how much you had, and so these serving sizes are listed here.
假设这里就是家乐氏香甜玉米片,你大概吃了四分之三杯,这里同时列出了每份的量
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Well that process of control to maintain a constant environment inside our body, whether it's an environment of constant mass or constant composition, or constant temperature, is called homeostasis.
这个控制过程维持着,体内环境的恒定,不论是内环境中物质的量的稳定,或者成分的稳定,或温度的稳定,这种状态叫做内稳态
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But still, the amount of words we know is staggering.
但我们所掌握的词量依然令人吃惊
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Clearly, this isn't twice that.
很明显这儿不是两倍的量。
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These are physical knobs that are available us as experimentalists. And so when we turn these knobs on our system, we want to know how the enthalpy is changing for that system.
这些都是我们做实验可,以得到的物理变量,所以当我们在系统中,改变这些量的时候。
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But what you should be able to do is take a look at a list of answers for what we're saying z effective might be, and determining which ones are possible versus which ones are not possible.
但是你们应该能够做到的,是看一下这个可能的,有效电荷量的答案列表，并且确定哪些是可能的,哪些是不可能的。
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The first is this the z effective, or how much charge is actually in the nucleus that's felt, Z or the I guess we would say the z, how much the charge is on the nucleus that holds it close together.
第一个是有效核电量，或者说实际感受到的核电荷量，又或者我想我可以说就是，使它们保持在一起的,原子核的电荷量。
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Not only are we taking away an electron here, but we're also going to decrease shielding, so the electrons that are already in there are going to feel a higher z effective and will be pulling and the atom will be getting smaller.
这不只是因为我们拿走了一个电子，还因为我们这样做会减小屏蔽效应，这样留下的电子,将会感受到更大的有效核电量,也就会感受到更强的吸引力，使得原子变得更小。
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And so, again, we see a temperature increase, and we know the work, and the temperature increase, it's a constant pressure thing.
好，我们看到温度升高了，然后我们有做功量和温度的升高量，这是一个恒定压力下的值。
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In the first spot, I'm going to store something that says, here's how far you have to jump to get to the next element.
我们存下下一个,元素的地址偏移量,然后，用之后连续的几个单元。
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