- 1. Here's yB. The gas mole fraction.
- 这是yB，气相摩尔分数。
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- 2. So that's our mole fraction of B.
- 这就是B的摩尔分数。
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- 3. Very small mole fraction.
- 摩尔分数很小。
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- 4. The gas mole fraction.
- 气体摩尔分数。
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- 5. B so it's got some mole fraction of B.
- 其中有一些摩尔分数的。
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- 6. So this is the mole fraction of the liquid.
- 这是液相的摩尔分数。
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- 7. Well it's the mole fraction of a in the gas.
- 这是气体中a的摩尔分数。
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- 8. So what's the mole fraction of B in the gas phase?
- 那么B在气相中的摩尔分数是多少？
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- 9. So, here is the liquid mole fraction at temperature two.
- 好，这是二点温度下的液态摩尔分数。
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- 10. PROFESSOR: No. Because, so it's the mole fraction in the gas phase.
- 教授：不，因为这是气态中的摩尔分数。
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- 11. And you'll have some different mole fraction than you started with before.
- 你会和之前开始的时候，有不同的摩尔分数。
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- 12. OK, so we're going to look at temperature and mole fraction phase diagrams.
- 好，让我们看看温度,和摩尔分数相图。
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- 13. So this is the one that's showing us the mole fraction in the liquid phase.
- 这是告诉我们,液相摩尔分数的曲线。
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- 14. You decrease the mole fraction of the less volatile material in the gas phase.
- 更不易挥发的物质，在气相中的，摩尔分数减小了。
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- 15. So that means just reading off it, this is xB, that's the liquid mole fraction.
- 直接读出来，可得是xB，是液相摩尔分数。
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- 16. Now, of course, since this is a mole fraction, it's always between zero and one.
- 现在，当然，由于这是摩尔分数，它总是处于零到一之间。
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- 17. And if we go over here, this is telling us about the mole fraction in the gas phase.
- 如果我们到达那，它告诉了我们气相的摩尔分数。
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- 18. And for each component we have to describe its mole fraction in that particular phase.
- 对每一个组分我们都要知道，它在各个相中的摩尔分数。
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- 19. That the vapor pressure of the solute is related to the mole fraction in the solution.
- 溶质的蒸汽压，和溶液中溶质的摩尔分数成正比。
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- 20. The higher mole fraction of hydrophobe, the stronger viscosity enhancement effect.
- 且疏水单元摩尔分数越高，盐增黏效应越显著。
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- 21. If you look and see, well, now we should be able to determine the mole fraction in the gas as well.
- 如果你看，好，现在我们也可以确定，气相中的摩尔分数。
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- 22. It's not easy to calculate a priori what it's going to do all the way across the phase diagram for any mole fraction.
- 对于任一摩尔分数，去预计它穿越相图，会做什么并不容易。
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- 23. The constraint is that the sum of all the mole factions has to be equal to one That's what it is, to be a mole fraction.
- 约束条件是,所有摩尔分数之和等于1。,这就是摩尔分数的意义。
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- 24. x So the mole fraction at any time is n minus x divided by the total number of moles, x which we just calculated as n plus x.
- 任何时候的摩尔分数是n减,除以总摩尔数，就是我们计算的n加。
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- 25. Now, you can draw the same diagram in, instead of pressure, mole fraction, you can draw the same diagram in terms of temperature.
- 现在，我们画相同的相图，但是不是压强和摩尔分数，而是温度的相图。
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- 26. The highest gasification efficiency reached 109% and the mole fraction of hydrogen in product gas could be in excess of 40%.
- 气化率最大可以达到109%，气体产物中氢气的体积含量可以超过40%。
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- 27. Average relative deviations between calculated values and experimental data of gas phase mole fraction were all less than 0.78%.
- 汽相摩尔分数的实验值和计算值的平均相对偏差均小于0.78%。
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- 28. That means I could follow the same sort of procedure that I indicated before when we looked at the pressure mole fraction phase diagram.
- 这意味着我们可以用，之前压强摩尔分数，相图里类似的方法。
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- 29. And the point is, now we're going to start, since the mole fraction in the gas phase that we're starting from is the same number as this was.
- 我们从这一点开始，因为气态的摩尔分数不变，我们从之前相同的数字开始。
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- 30. Modified meta-aramid(PMIA) copolymer with TPC mole fraction of 0.05~0.15 was prepared by low-temperature-solution polycondensation in DMAc.
- 采用低温溶液法共缩聚反应合成了对苯二甲酰氯（TPC）摩尔分数为0.05~0.15的改性间位芳香族聚酰胺（ PMIA）共聚物。
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