振动扰动

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

发表于:2018-12-19 / 阅读(31) / 评论(0) 分类 TED演讲教育篇

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

发表于:2018-12-19 / 阅读(33) / 评论(0) 分类 TED演讲教育篇

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,

发表于:2018-12-19 / 阅读(50) / 评论(0) 分类 TED演讲教育篇

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

发表于:2018-12-19 / 阅读(21) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(十)月
学英语单词
abrasive file
acystidiate
additive gene
agate ball
aggregating equivalent in current US dollar
allegorises
amortized computation
anchor comes home
array manipulation built-in function
ARRIPIDAE
atactiform
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blue-graier
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class Cephalopoda
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congenital defect
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crawford
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diplectrona cuculata
disinheritor
disorder parameter
edibility
elastic cell
ethoxy ethylene
experimental petrology
export decument
fivepence
free rheological law
fresh water radioecology
Gauss optics
gear wheel sequence
gerretts
great blue lobelia
Green L.
Grigorovo
half-armor
Hassberge
health service record
hillas
indiscrete pseudometric space
interracial marriage
involument
koax
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Ljungstrom steam turbine
low energy hydrophobic surface
Lärbro
Marudu, Tk.
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mipus mamimarumai
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mwezi
nerve-energy
Nipissings
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odontogenesis imperfecta
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outer pack
PMSD
polycholia
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pre-approval letter
property of all the people
punctiliars
Queen's Sewer
quick-setting instrument
rate of loading/discharging
rockoon sounding
sagital
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seaweed wax
self-restoring coherer
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Sims's position
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space-optic
speak highly of sb
Spesicor
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tarantelle
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tray down-spout
Tremadocian Stage
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Verde, Pta.
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Vologda
well kept