This quantity is exactly zero for an ideal gas and we'll discover why eventually it has to do with what we mean by an ideal gas it turns out.

对理想气体它是零,这点我们接下来会知道是,为什么，这与为什么我们叫它理想气体有关。

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So this will be the monopoly quantity for Firm 2 and this is the competitive quantity of Firm 1.

这里表示公司2的垄断产出,这里是公司1的完全竞争产出

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And if you do so, you will end up with 1.312 mega joules per mole for this quantity K.

这样做之后，对于K常量你就能得到2,1。312百万焦耳每摩尔。

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In other words, we're taking advantage of the fact that we now know that quantity. In the case of the ideal gas we just have a simple model for it.

换句话说，我们可以利用我们已经,了解这个物理量的这个优势,对理想气体我们有一个简单的模型。

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All those things have to happen in an orderly fashion, in enough quantity in order for a particular cell to make a protein.

所有的步骤必须按部就班,保质保量地进行,让一个特定的细胞合成特定的蛋白质

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So let's look at the demand for Firm 1, which is going to end up being the quantity that they sell.

公司1产品的需求量,即,它所销售的数量

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But you could also just split the monopoly quantity, for example, half half at this point here.

但也可以把垄断产量分开呀,比如一家生产一半

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For example, if Firm 2 shut down and Firm 1 produced its monopoly profits, that is, a monopoly quantity, that would maximize firm profits.

比如公司2停产而公司1生产垄断产量,垄断产量会使行业利润最大化

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What's the name, going back to economics 115, what's the name for this quantity?

在经济学115的课程里面,这个量的学名叫什么呢

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I won't bother to write it separately for Firm 2, it's going to be the quantity it sells times the price it gets for that quantity, minus that quantity it sells times the cost it incurs in producing that quantity.

我不用另外写公司2的收益了,收益是销量,乘以对应的价格,减去销量乘以产品,的生产成本

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So, in particular, what we're going to do to find out what quantity q1 maximizes this profits for each choice of q2.

所以我们要算出来在不同的q2下,q1取什么值才能最大化利润

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We have an interpolation scheme between zero and 273.16 with two values for this quantity, and we have a linear interpolation that defines our temperature scale, our Kelvin temperature scale.

的两个值做线性插值,就得到了开尔文温标,直线的斜率等于水的三相点,也就是这一点处的f的值,再除以273。16，这是这条直线的斜率，这个量，f在三相点处的值。

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So again, for Firm 1 it's the quantity it sells times the price, This is its revenue, minus the quantity it sells times C, the cost, this is his cost.

再次,公司1的收益是其销量乘以价格,即,收入,减销量乘以C,它的成本

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So basically the idea is that the more these firms produce, so the more the total quantity produced q1 + q2, the lower is the price in the marketplace for this product.

核心思想就是两家企业生产得越多,即产量,q1 + q2,越大,该产品的市场价格就越低

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OK, but in order to relate turning these physical knob to this quantity here, which we don't have a very good feel for, we've got to have a feel for the slopes.

热量是怎么进一步改变的,但是为了把这些物量同我们，不是很理解的焓联系起来，我们对微分已经有了一定的了解。

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