孤偶电子对

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(44) / 评论(0) 分类 赖世雄学英语第四册

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(九)月

Forcing Electrons into Superconducting Line In a study in the journal Nature researchers created a pseudo gap, in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports Imagine a world with lev

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 60秒科学

You, today, buy gasoline miles. And we created electric miles. 现在大家买的是汽油里程。我们就创造电子里程。 And the price of electric miles ends up being a very interesting number. 电子里程价钱加起来是个有趣的数字。

发表于:2019-01-03 / 阅读(33) / 评论(0) 分类 TED演讲科技篇

So how would you run a whole country without oil? 怎么让一个国家在没有用石油的情况下运转? That's the question that sort of hit me in the middle of a Davos afternoon about four years ago. 四年以前在Davos的一个下午,这个

发表于:2019-01-03 / 阅读(34) / 评论(0) 分类 TED演讲科技篇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(51) / 评论(0) 分类 TED演讲教育篇
学英语单词
aahp
abo-isoantigen
acadian geosyncline
alkaline extracts of soils
angle butt strap
antitubercle sera
apple pears
Appleyard
ascocarps
berthas
big-bud hickories
blind foramen
brachymeria euploeae
brickles
cahot
Ceratotherium
chloralbacid
chloromercurinitrophenols
cold airmachine
counterpressuring
court music
creativity
credit sale account
current replacement cost
cyberprotesters
diisopropylketone
distributed load
ducodal
duodecal socket
elastication
electroslag refining
ellass
endocythere tikushiosa
endwall loss
Flintstonian
flooding in
foam maker
format line
harumfrodite
have a nose
hexabasic
holocrystalline-porphyritic
ii samuels
increasing fertility
Kautsky, Karl
knockhill
Kulali
kw-hr
lacquer engraving
lateral tell
law-makerss
leading edge locus
longitudinal dihedral
Lykoudis number
mean direction of magnetization
micro-wirecutter
militante
millenarian movement
millivolts
mitoflaxone
nagin
oxyfenamate
paint stripper K
paracusia loic
paraleucaniline
parallelgram of vectors
pattern number
photographic information
poke around
r.& c.c.
rainbow seaperch
refuel(l)ing
rests upon
reverse harakiri swap
reversible amplifier
rhodomollein
Rucklidgeite
saal
Sauropus spatulifolius
school psychologist
segmented mirror
semi-automatic corking unit
sethood
shoreline change
Sogang
soup-fins
spiral slice
synarthrodia
thunderstorm turbulence
tube element
ujamaa
untempled
untessellated
Vane, Sir Henry
vena comitans
vibrocompact
Vladeni
Wechsler intelligence scale for children
within
work division
Xitix