You can put B up here, and then you will get the answer here.
把B放在上面这里,然后答案写在这。
Here we have vector a and here we have — let me write this down here — B and here we have vector B.
这里是矢量a,然后-,写到这里来…,这里是矢量。
So if I have this special mixture here, of A and B, at this point here, I form what's called an azeotrope.
如果我们有这样子特殊的A和B的混合物,在这个点,我们得到了所谓的共沸混合物。
Here B.B.King plays Lucille on his famous recording of "The Thrill Is Gone".
VOA: special.2010.05.12
He has two electrons here with the same set of quantum numbers. B but these are two separate hydrogen atoms.
因为我写了两个量子数,一样的电子,但这是在两个不同原子中啊。
So what we'll have here is a trigonal planar case, and you can see that we only have three electrons that are set for bonding, so we'll add three hydrogens, and for b h 3, we'll get a stable structure here.
让电子劲量远离的时候,不用考虑它,这个例子是平面三角形,你可以看到,只有3个电子可以成键。
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