TED演讲：气味背后的科学(10)

Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America. 香豆素是香水中一个十分平常的原料，从来自南美的豆子中提炼出来的。 And it is the classic syntheti

TED演讲：气味背后的科学(5)

And...but...but...we have to go a little beyond that. 我们需要进一步深入。 Now let me explain why vibrational theory has some sort of interest in it. 现在我来解释为什么震动理论有一定的道理。 These molecules, as you saw i

TED演讲：气味背后的科学(7)

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

TED演讲：气味背后的科学(9)

And every single part of this mechanism is actually plausible in biology. 实际上，这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲，我

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SSS 2011-10-26

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Chinese energy chief stresses coal consumption control

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Conserve Your Energy :5 Things Not to Sweat

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英语歌曲:Energy

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