• Anderson then told the southerners, "If you do not shell us to pieces, hunger will force us out in a few days."

    VOA: special.2009.08.06

  • Because that will take care of all of the electrons that are capable of reacting, none of the inner shell electrons.


    麻省理工公开课 - 固态化学导论课程节选

  • And you've got the Shell Tower behind you,


    关于伦敦眼的回忆 - SpeakingMax英语口语达人

  • Founding partners in the alliance include governments and United Nations agencies,nonprofit groups and the energy company Shell.

    VOA: special.2010.09.27

  • So, from going from the shell of n equals 2, let's say, to the shell of n equals 3.


    麻省理工公开课 - 化学原理课程节选

  • It was the turtle shell which the Mute Singer used as a beggar's cup for money.

    VOA: special.2011.02.19

  • In other words, just want to know where the electron is somewhere within the shell radius of the ground state of atomic hydrogen anywhere.


    麻省理工公开课 - 固态化学导论课程节选

  • More than fifty restaurants, seafood dealers and other businesses have joined the Oyster Shell Recycling Alliance.

    VOA: special.2010.12.07

  • Now, we get to draw some lessons out of this thing, so everybody who's feeling a little bit shell shocked from having been doing algebra and calculus and drawing pictures and feeling like they've been cheated into taking a class that looks far too much like economics, calm down we're going to actually talk right now.


    耶鲁公开课 - 博弈论课程节选

  • For example,he created a triangle-shaped walkway of steps that sits inside a rounded concrete shell.

    VOA: special.2009.12.13

  • So. Starting with the shell, I can type in expressions.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • A heavy mortar roared, sending a shell high over the harbor at Charleston,South Carolina.

    VOA: special.2009.08.13

  • The reason is because we already have a full valence shell for our hydrogen, it doesn't want any more electrons.


    麻省理工公开课 - 化学原理课程节选

  • Grant surrounded the fort and let the navy gunboats shell it.

    VOA: special.2009.09.03

  • Step three in our Lewis structure rules is to figure out how many electrons we would need in order for every single atom in our molecule to have a full valence shell.


    麻省理工公开课 - 化学原理课程节选

  • Shell after shell smashed into the fort.

    VOA: special.2009.08.13

  • But still, when we're talking about the radial probability distribution, what we actually want to think about is what's the probability of finding the electron in that shell?


    麻省理工公开课 - 化学原理课程节选

  • That's how I'm trying to play him and I think he's coming out of his shell a bit in Eclipse."

    VOA: standard.2010.07.07

  • So if you think of a shell, you can actually just think of an egg shell, that's probably the easiest way to think of it, where the yolk, if you really maybe make it a lot smaller might be the nucleus.


    麻省理工公开课 - 化学原理课程节选

  • "The Gulf of Mexico response plans for ExxonMobil,Chevron, Conoco Phillips and Shell are virtually identical to BP's, and just as deficient."

    VOA: standard.2010.06.15

  • You can see that there is no value in studying inner shell electrons to ask questions about bonding.


    麻省理工公开课 - 固态化学导论课程节选

  • The leaders of ExxonMobil,Shell, ConocoPhillips and Chevron, as well as BP America, testified before a House of Representatives committee Tuesday.

    VOA: standard.2010.06.15

  • So let's do a quick clicker question, and you tell me how many valence electrons does fluorine have? Remember, valence electrons are different from core, they're only the outer-most electrons in the outer-most shell.


    麻省理工公开课 - 化学原理课程节选

  • "Everyone is half-dead. It does not matter if you shell them because you are shelling a dead body."

    VOA: standard.2010.01.02

  • So, basically what we're saying is if we take any shell that's at some distance away from the nucleus, we can think about what the probability is of finding an electron at that radius, and that's the definition we gave to the radial probability distribution.


    麻省理工公开课 - 化学原理课程节选

  • "I though it was a good response from the team, we did not just fall back into our shell and just let it all go out the window,"

    VOA: standard.2009.06.07

  • And, these outer shell electrons are termed valence electrons.


    麻省理工公开课 - 固态化学导论课程节选

  • The Movement for the Emancipation of the Niger Delta (MEND) says armed with assault rifles and heavy machine guns raided an oil facility jointly operated by Royal Dutch Shell and Chevron in Rivers state.

    VOA: standard.2009.12.21

  • That's kind of your shell that we're discussing.


    麻省理工公开课 - 化学原理课程节选

  • So, let's take a look at one of these rows in more detail to think about why this might be happening, and it turns out the reason that these glitches occur are because the sub shell structure predominates in certain instances, and that's where these glitches take place.


    麻省理工公开课 - 化学原理课程节选

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