"It was a very simple wooden table with a fitted bulb that would adjust based on the baby's temperature, and had it constructed and implemented in her hospital.
VOA: standard.2009.12.18
It's really as if the game is being played where the only choices available on the table are 1 through 67.
就如同这游戏的可选项只有,1到67之间的数字了
So, if we look on the periodic table, comparing, for example, s to o, if we have s it's below o, what happens to ionization energy as we go down a table?
那么,如果我们看周期表上,比较,比如,硫和氧,硫在氧下面,当我们沿着表向下看的时候,电离能是怎么变化的?
It's a little distracting using the cups since they don't fit on table and also, you can't see what they previously looked like.
在这儿并不太适合再用杯子,因为你们不能看到它之前是什么样的。
I look at the plate on my kitchen table, it's not perfectly round, it's got imperfections; but suddenly I start thinking about circles, perfectly round objects.
我看着我餐桌上的盘子,它不是正圆的,它不完美,但是我马上就可以想到圆圈,正圆的东西
And this is the same periodic table that you're going to get in your exams, so it's good to practice doing your problem-sets with that periodic table so you're not relying on having the double check right there of seeing what the electron configuration is.
这也是你们考试时会用到的相同的表,这样你们就不会,所以使用周期表来做问题集,是很好的练习,这样你们就,不会依赖于再次确认,电子构型是什么了。
The only thing that's different is that they're one down on the periodic table, potassium is down one row, so it's going to be a little bigger, but when we're thinking about size, it maybe does not seem that significant to talk about the size.
它们唯一的不同点,就在于其中一个在周期表的下面,钾在下一行,因此它要稍微大一些,但是当我们考虑尺寸的时候,似乎讨论尺寸的意义不大。
And that's all that's big enough to pass through or small enough to pass through. And if we go up even just one row on the periodic table to potassium, what we actually see is now that it's going to be too large, and, in fact, a potassium solvated with one water molecule won't go through our channel.
就是这样刚好大到它通过,或者说刚好小到它通过,即使我们再沿着周期表往下走仅仅一行到钾离子,我们看到的就将是它的个头太大了,实际上,溶解于一个水分子的单个钾离子,不能穿过我们的通道。
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