• The directions also advise people to limit caffeine products and to drink only half the bottle if they want a moderate amount of energy.

    VOA: special.2009.07.22

  • I want to go back to our energy level diagrams and see if I can rationalize energy level diagrams.

    让我们往回看,回到我们的能级图表,来看看我是否能使能级图表合理化些。

    麻省理工公开课 - 固态化学导论课程节选

  • In other words, if we don't have to worry about entropy or volume equilibrium is achieved when energy is at a minimum.

    换句话说,如果我们不担心熵,和体积的平衡,那么能量就得是最小的。

    麻省理工公开课 - 热力学与动力学课程节选

  • He showed his personality and energy in his famous shout: "If you are an American or you're just a human being and got any blood going through your veins -- AHHOOWW! I feel good!"

    VOA: special.2010.05.16

  • Well, if we look on the chart, the first ionization energy is what is reported in your Periodic Table.

    如果我们查阅图表,一级电离能,已经在元素周期表上标示了。

    麻省理工公开课 - 固态化学导论课程节选

  • If properly managed, clearing and replanting trees in a 30-year cycle creates both a renewable source of energy and maximum rubber production.

    VOA: standard.2009.09.13

  • And we can actually better visualize this if we plot how that energy changes as a function of internuclear distance.

    而我们就能更清楚地看到这些,如果我们画出,能量随核间距的变化曲线。

    麻省理工公开课 - 化学原理课程节选

  • "If we had a clean energy economy powered by wind and solar and tidal power we probably would not be here having this discussion today."

    VOA: standard.2010.07.31

  • We might be able to understand some of the weird, anxious energy behind this stanza if we think of the phrase that Milton uses here: the phrase "Infant God."

    如果我们想一下这些句子,也许能够明白,这一段中古怪和焦急的心情,弥尔顿在这用到“圣婴“这个词语“

    耶鲁公开课 - 弥尔顿课程节选

  • The International Labor Organization estimates that renewable energy could generate up to 20 million new jobs, if it were to represent 30 percent of the worldwide energy output.

    VOA: standard.2010.02.24

  • So if I tell you that the energy for single hydrogen atom is negative 13 12 kilojoules per mole.

    如果我告诉大家单个氢原子的能量,是负的,1312,千焦每摩尔。

    麻省理工公开课 - 化学原理课程节选

  • One key to breaking the current impasse on climate and energy legislation, says the League's Gene Karpinski, will be if the public demands stronger leadership from members of Congress and from the White House.

    VOA: standard.2010.02.25

  • And if you want to run a furnace and provide energy that's an extremely important thing to be able to calculate.

    如果你点燃壁炉,提供能量,计算这个量,是非常重要的。

    麻省理工公开课 - 热力学与动力学课程节选

  • Sana'a University Economics Professor Taha al-Fusail says the energy sector may be a lifeline, but Yemen needs to diversify its economy if it wants to grow in a way that will fund the government and feed the people.

    VOA: standard.2010.04.20

  • Whereas under these conditions, these quantities, if you look at free energy change, for example at constant temperature and pressure, H you can still calculate H.

    但是,在这些条件下,这些物理量,如果我们考察自由能的变化,例如在恒定的温度和压强下,我们仍然可以计算。

    麻省理工公开课 - 热力学与动力学课程节选

  • (Sound) Amid loud acclamations of approval, top hardline Iranian cleric, Hojatoleslam Ahmad Khatami warned the West that Tehran will produce its own high-grade uranium for a medical research reactor, if the UN International Atomic Energy Agency refuses to provide the fuel.

    VOA: standard.2009.11.28

  • And if we experimentally know z what the ionization energy is, we actually have a way to find out what the z effective will be equal to.

    我们实际上就有了一个办法,去找出有效的,等于多少,我们可以使用这里的方程。

    麻省理工公开课 - 化学原理课程节选

  • And in this case we're going to look at silicone, and we'll say if you can point out to me which requires the least amount of energy.

    这次我们要做的是关于硅的,我们来看看大家是不是,能够为我指出那一项需要消耗的能量最少。

    麻省理工公开课 - 化学原理课程节选

  • If the bonding energy is very strongly negative, thermal energy isn't great enough to disrupt those bonds and allow those bonds to be broken and then have fluidity.

    如果键能非常强,热能并不足以,打破这些化学键,破坏这些化学键,并使它们液化。

    麻省理工公开课 - 固态化学导论课程节选

  • So if we think about what we would do to actually write out this configuration, we just write the energy levels that we see here or the orbital approximations.

    如果我们考虑我们所做的去,实际写出电子构型,我们只是写出我们看到的能级,或者是轨道近似就可以了。

    麻省理工公开课 - 化学原理课程节选

  • It turns out everything around us moves energy around in one way or the other If you're a biological system, you're burning calories, burning ATP.

    我们周围的一切物质,都以这样那样的方式传递着能量,如果你是一个生物系统,你会燃烧卡路里,燃烧。

    麻省理工公开课 - 热力学与动力学课程节选

  • Now, if this incident energy is great enough it will take an electron out of the ground state and promote it.

    现在,如果入射能足够的话,它会将一个电子从基态中释放出来,并且加速它。

    麻省理工公开课 - 固态化学导论课程节选

  • If we have a higher z effective, it's pulled in tighter, we have to put in more energy in order to eject an electron, so it turns out that that's why case 2 is actually the lowest energy that we need to put in.

    而如果有效核电量更高,原子核的束缚也就更紧,我们不得不输入更多的能量来打出一个电子,这就是第二种情况,所需要输入的,能量更少的原因。

    麻省理工公开课 - 化学原理课程节选

  • If you get some of these in the upper atmosphere, a photon, an ultraviolet photon, has the energy capable of breaking this bond.

    如果你把它放到大气层上,一个光子,一个紫外光光子,有能量可以破坏它的化学键。

    麻省理工公开课 - 固态化学导论课程节选

  • If something has a high ionization energy, it means that it really, really, really does not want to give up an electron.

    如果某个东西有很高的电离能,这意味着它非常非常,非常不愿意失去一个电子。

    麻省理工公开课 - 化学原理课程节选

  • And that will be associated with a wavelength if it releases the energy in terms of a photon.

    是用光子的形式放出来的话,它会和光的波长相关。

    麻省理工公开课 - 化学原理课程节选

  • If you looked at heteronuclear molecules and you wanted to compute the bond energy, you might start with the bond energies of the two constituents.

    如果你看那些相同电子的分子,你想计算共享能,你也许会从,两个组成部分的总能量。

    麻省理工公开课 - 固态化学导论课程节选

  • So, if you could make automobiles with a high magnesium content, you would reduce the mass, reduce the energy required, and thereby reduce the environmental impact.

    所以,如果你能用含镁量,很高的材料来制造手机,你就能减轻手机的质量,减少制造所需能量,因此减轻了对环境的破坏。

    麻省理工公开课 - 固态化学导论课程节选

  • Let's quantify the energy value. If you go through and solve for energy, you will get this equation.

    我们来确定一下能量值,如果你试图寻找,解决能量问题,你能得到一个方程式。

    麻省理工公开课 - 固态化学导论课程节选

  • If I want to take the average energy of all of those, what I can do is go over to my data set.

    如果我想得到这所有电子能的平均值,我就得去看一下我的数据库。

    麻省理工公开课 - 固态化学导论课程节选

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