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This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 医务英语

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(四)月

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(186) / 评论(0) 分类 万物简史
学英语单词
acid-resistant steel
air phase volume
and tp or function
antheas
autoinfected
Bakerfield
Baruch de Spinoza
black economies
bleeding canker
blizzardous
bohemian garnet (pyrope)
Bolj Mechhed Salah
brandi
cage-rotor induction motor
calcined coke
calvin
cambace
can closure
carborundum tube
catabolising
CECF
central stimulation
ceramic X-ray tube
component of control system
Conrad III
conventioneer
current moment
definite equation
Edwards Park
Euler constant
fall of the wall
Felix-Weil reaction
fermentation test
first-choice circuit
francisella tularenses
frumpier
fudge-wheel
go to pigs and whistle
hand capacity
hexyl nitrite
high-density focal plane array
histo-differentiation
i-wounde
implosion
Inda Maryam
industrial mineral mortgage
inflatable embarkation platform
inner centre
inswing
Jaeger chart
keratosis palmoplantaris migrans
late register
laurencelle
Le St-Esprit
left loop
Magruder cotton
make the presentation of sth to sb
market targeting
melampsora larici-epitea klebahn
methylsulfonylmethane
microgroup
mississippi river delta
murgatroid
ngwumanite
niessen
non rival
nonoes
Nueva Providencia
numidias
o'herlihy
on one side
open as the day
outside board
pink of perfection
pl/i-formac
plesiophthalmus fujitai
pre-orientation degree
punctured code
Reksjåeggi
relative pitch
retort-gas tar
rikka
rubber dinghy
satellitoses
schmegegge
second degree surface
sedimento-eustasy
self-correction
sewaging
single peak response
sinusoidal impulse
sleeveless errand
snow-eater
Sri Jayewardenepura Kotte
state action
sum due on a bill
summary offence
utahans
verificationists
wained
Zeigarnik effects
zenographic system of coordinates