In fact, if any electron comes in their midst, they'll capture it because the binding energy is so high.
事实上,如果电子从中间进来,它们会捕获它,因为束缚能很大。
This is why Russia will continue its efforts to promote a legally binding agreement on international energy co-operation.
这也就是为什么俄罗斯将继续努力推动国际能源合作签订合法的有约束力的协议。
When we talked about binding energy, we just had one quantum number.
当我们说到能量时,我们只要一个量子数。
His comments came on the same day that the UK's energy and climate secretary, Chris Huhne, played down the prospects of a legally binding agreement at the talks, which open on Monday.
就在伊沃·德波尔作此番讲话的当天,英国能源与气候变化大臣克里斯·休恩(ChrisHuhne)表示,对下周一开始的气候变化大会会谈上能否达成具有法律约束力的协议不抱太大希望。
On May 17th Chris Huhne, the embattled energy secretary (see article), set legally binding targets for Britain's greenhouse-gas emissions from 2023 to 2027.
5月17日四面楚歌的能源部长(见文章)克里斯·胡纳(Chris Huhne)为2023年到2027年英国温室气体排放规定了具有法律约束力的指标。
Previous work has shown that CtBP senses the amount of energy in a cell by binding to a small molecule called NADH.
之前的工作表明,CtBP蛋白质通过结合一种叫做NADH的小分子来感知每个细胞中的总能量。
What is the binding energy of the ground state electron in hydrogen?
氢在基态的情况下,它的电子结合能是多少?
So if we can figure out the binding energy, we can also figure out how much energy we have to put into our atom in order to a eject or ionize an electron.
所以如果我们可以计算出结合能,我们也可以计算出,我们需要注入多少能量到原子中,去逐出或电离一个电子。
And what we call the binding energy is this is what we saw on the last slide.
我们所说的束缚能,这个我们在上一张幻灯片中已经见过了。
We know that binding energy is always negative, ionization energy is always positive.
我们知道结合能,总是负的,电离能总是正的。
And, in fact, if any electron comes in their midst, they'll capture it because the binding energy is so high.
事实上,如果电子从中间进来,它们会捕获它,因为束缚能是如此之大。
Right, because when we think of an energy diagram, that lowest spot there is going to have the lowest value of the binding energy or the most negative value of binding.
对因为当我们考虑,一个能量图时那里最低的点,是具有最低的结合能,或者最不活跃的结合能。
So, what we call this is the third ionization energy, or the negative of the binding energy, again of the 2 s orbital, but now it's in boron plus 2 to we're starting with.
那么我们称它为第三电离能,或者负的束缚能,还是,2,s,轨道的,但现在我们是从正二价硼离子开始的。
And it should make sense where we got this from, because we know that the binding energy, if we're talking about a hydrogen atom, what is the binding energy equal to?
很容易理解,我们怎么得到这个的,因为我们知道,结合能,如果,对氢原子来说,结合能等于什么?
And we know what that's equal to, this is something we've been over and over, ionization energy is simply equal to the negative of the binding energy.
而且你知道它等于什么,这是我们说过一遍又一遍的,电离能就等于,负的束缚能。
The ionization energy, of course, is just the negative of the binding energy.
电离能,我们知道也就是,负的结合能。
We're going to be looking at the solutions to the Schrodinger equation for a hydrogen atom, and specifically we'll be looking at the binding energy of the electron to the nucleus.
我们将研究下氢原子薛定谔方程的解,特别是电子和核子的结合能,我们将研究这部分。
It's an easy calculation — we're just taking the negative of the binding energy, again that makes sense, because it's this difference in energy here.
这个计算很简单-我们,只需要取结合能的负值,同样这很容易理解,因为这就是这的能量差,所以我们得到的就是结合能,当它取负值,电离能就是5。
So, for example, in a hydrogen atom, if you take the binding energy, the negative of that is going to be how much energy you have to put in to ionize the hydrogen atom.
例如在氢原子里面,如果你取一个结合能,它的负数就是。
So we know that we're in the n equals 5 state, so we can find what the binding energy is here.
我们知道,我们在n等于5的态,我们可以找到结合能是多少。
The greatest amount of nuclear binding energy per nucleon occurs for nuclei in the vicinity of iron.
按每个核子计,最大的核结合能量出现在铁附近的核中。
So for n equals 2, what would the binding energy be?
对n等于2,结合能是多少?
So we have the operationon the wave function in terms of r, theta, and phi and remember this e is just our binding energy for the electron, and we get back out this wave function.
我们用r,θ,φ来表示,将算符作用于波函数,而且记住e仅仅是电子结合能,然后后面加上波函数。
The same weak binding could also make electrides useful in solar energy converters and as cathodes in batteries.
这种结合微弱的特性同样可使电子晶体对太阳能转换器和电池的阴极很有用。
It is found that the polaron binding energy increases with pressure.
结果表明:极化子结合能随外加压力增加。
The results show that the impurity phonon interaction is important and the phonon contribution to the binding energy is negative.
结果表明,杂质-声子相互作用显著且声子对结合能的作用为负。
The results show that the impurity phonon interaction is important and the phonon contribution to the binding energy is negative.
结果表明,杂质-声子相互作用显著且声子对结合能的作用为负。
应用推荐