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And shielding is a little bit of a misnomer because it's not actually that's the electron's blocking the charge from another electron, it's more like you're canceling out a positive attractive force with a negative repulsive force.
屏蔽有一点点用词不当,因为它事实上不是,电子阻挡了来自另一个电子的电荷,它更像你在用一个负排斥力，抵消一个正吸引力,但是屏蔽是考虑这个问题,的很好的方式。
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And if you're thinking negative, it means you will be always a loser.
如果你一直想法消极，就意味着你将一直是个失败者。
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So, what we're saying is that we have n equals to 4, and m sub I being equal to negative 2.
我们说的是ｎ等于４,ｍｌ等于－２
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And if you're below this temperature here, this quantity, p times v it would be negative.
压强与体积的乘积将变成负数，这可能吗？
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It could be that in thinking about the nature of the combination we're led to see that in certain ways the combination-- the interaction effects--are negative, are bad ones.
可能在考虑这种组合的本质时,我们看到了再某些方面这种组合-,相互影响，是负面的，是不好的。
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There's the weird diets but hard to classify: Detox Diet, The Rave Diet, so if you're into raves you can go do that, and The Negative Calorie Diet, so these -the Negative Calorie Diet are ones that- where you eat food that have negative calories, so you consume it but it burns off more calories than it actually has.
这些是难以归类的减肥法,排毒法,锐舞减肥法,如果你对锐舞感兴趣,就可以照着做,还有负热量减肥法,负热量减肥法是指,吃具有负热量效应的食物,当你吃它的时候,消耗掉的热量比食物本身所含热量还多
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They're going to move from a negative pole to a positive pole, so they're going to move through this gel.
它们会从负极移向正极,会通过这块凝胶板
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Let's put zero here because these are not gross returns these are returns, so they're often negative.
这里做零点,注意这不是总收益,而是年度收益,有可能是负数的
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They're not bad, bad, they're not nightmares, but most dreams are from a scale of one to ten with five and a half in the middle they're on the negative side.
说它们不好，并不是说它们是噩梦，如果用1到10来评分,5。5为中间分值,大部份梦都是在5。5分以下。
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When t is equal to 10,000 years or 10,000 seconds, you're going to find y is some huge negative number.
当t为一万年或一万秒时,我们得到y是一个极大的负数
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So this is not going to be a favorable process, we're going to find that the electron affinity is actually a negative 7 kilojoules per mole for nitrogen.
因此这并不是一个容易发生的过程，我们会发现氮的电子亲和能,应该是负的，7，千焦每摩尔。
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So if we have a negative change in energy for any reaction as it's written, what that actually means is we're giving off energy as the reaction proceeds.
如果我们像这里写的这样,在任何一个反应过后，得，到的能量变化为负值,这就意味着我们在这个过程中放出了能量。
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So, if we think about the second case here where we have c n minus, now we're talking about a molecule with a net charge of negative 1.
那么，如果我们考虑的是第二个例子,也就是氰离子，那么现在我们讨论的是一个净电荷量为负一的分子。
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If we want to talk about two hydrogen atoms, then we just need to double that, so that's going to be negative 2 6 2 4 kilojoules per mole that we're talking about in terms of a single hydrogen atom.
而要讨论两个氢原子，我们只需要把它乘以二，因此应该是负的，2624，千焦每摩尔,这就是单个的氢原子的情况。
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10 Even if your content subtotal was negative ten, that doesn't mean you're not better off alive, because negative ten plus the extra hundred points for the mere fact that you're alive is still going to give you a positive total, 90 plus 90.
就算你的生活内容部分总和是，那也不意味着你活得不够好，因为-10加上额外的100分说明了,你活着得到的总和仍然是正数，超过。
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And since we have two bars that are together like this, once they're both loaded up with electrons there's going to be negative charges that repel, so the electrons will want to get as far away as possible, and they're on their slow way to doing that, to getting as far away from each other as possible.
因为我们有两个棒像这样在一起，一旦它们加载了电子,就会因为有负电荷而排斥，所以这些电子就会,互相离开的尽可能远，它们的这个过程很慢，离开的尽可能远。
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Because we've got one q1 and then we're adding q2 over q1 to it, but we've got negative q2 is a positive number.
这是因为这里有个,然后加上了q2除以，但是我们知道负的q2是个正数。
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And it turns out that when you constructively have two p orbitals interfere, and when I say constructively, I mean they're both either positive or they're both the negative lobes, that's when you got bonding.
当两个ｐ轨道,相长干涉时，我说的相干相长，意思就是说它们要么都是,正的叶瓣要么都是负的叶瓣，这时就能成键。
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We have the minus because we're adding a negative charge from the electron.
有这个负号的原因是,我们得到一个电子后增加了一个单位负电荷。
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Infinity is the force when we're thinking about it and our brains, negative infinity is when we actually plug it into the equation here, and the reason is the convention that the negative sign is just telling us the direction that the force is coming together instead of pushing apart.
说力有多大时，我们想到的,是无穷大，而方程解出来的,是负无穷，这是因为习惯上,我们用负号表示力的方向,是相互吸引而不是相互排斥的,所以我们可以用库仑定律。
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putting all those things together, if you looked at this question again we'd get 100% on it, 0 9 that our only option here is 0. 9, and that it's not the negative, it's the positive version, because we're talking about how much energy we have to put into the system in order to eject an electron.
把这些放在一起，你们再看一下题目,大家100%都能选对，我们唯一的选择就是这个，它不是负数，它是正的，因为我们说的，是要,把电子激发出来,需要提供的能量。
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So we know that we can relate to z effective to the actual energy level of each of those orbitals, and we can do that using this equation here where it's negative z effective squared r h over n squared, we're going to see that again and again.
我们知道我们可以将有效电荷量与,每个轨道的实际能级联系起来，我们可以使用方程去解它,乘以RH除以n的平方,它等于负的有效电荷量的平方,我们将会一次又一次的看到它。
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So if you had a high temperature, this a small compared to b. If you're negative which means that dT/dp at constant H is less than zero.
高于反转温度，这一项相比于b很小,意味着H恒定时,偏T偏p小于零。
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Negative 1 plus 0 should add up to negative 1, if in fact, we're correct for the c n anion.
负一加上零应该等于负一，如果是这样，我们对于氰离子的结果就是正确的。
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If the balance was negative, you're saying your future holds more pain overall than pleasure.
如果结果是负意味着,未来有更多痛苦，多于快乐。
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So, what we're looking at here is the force when we have two charged particles, one positive one negative -- here, the nucleus and an electron.
我们现在研究的是,一正一负俩个带电粒子之间的,作用力-在这里。
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And when we're looking at the probability density graphs, it doesn't make a difference, it's okay, It has no meaning for our actual plot there, because we're squaring it, so it doesn't matter whether it's negative or positive, all that matters is the magnitude.
它的概率密度图的时候,两者没什么区别，这是可以的，它对我们画这个图，没有什么意义,因为我们是取平方，所以它的正负，无所谓，只和幅值有关，但当我们说到。
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psi2 1 -1 We can re-write this as psi 2 1 negative 1.
我们可以重新写成。
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So instead of being equal to negative z squared, now we're equal to negative z effective squared times r h all over n squared.
这里不再等于-z的平方，现在我们等于-有效的z的平方,乘以RH除以n的平方。
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We could say-- you could imagine somebody saying, Williams" "Oh yes, you're right, Williams, " the contents get negative, " but that's still outweighed by the mere fact that you're alive.
我们可以说-,可以想象有些人会说，“你说得对，“生活内容的部分总和是负数，“但它还是会被你活着这个事实超越。
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