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This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(三)月

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(71) / 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(60) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 Scientific American(十一)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(70) / 评论(0) 分类 万物简史
学英语单词
Adderley Hd.
additional wage
air-cooled design
airport traffic
all the things found on the planet
alphasyllabary
angiostomy cannula
arep
Asby
babie
baseband equalization
be the armpit of sth
Bertillonage
bone like tissue
butt on
cam template
Caslon, William
central series of subgroup
colour bars
commission of legal affairs
damages for adultery
data head
decanewton
deer's horn deglued
denuded area
dep
derided
dexy
discharge at constant current
double-hung windows
echocardiograms
Emrani
epithermal fission
exponential sweep
fairy primrose
financers
five Ks
flange weld
free-blown
friend zones
frog's embryo
gas density balance
getting along
graphic position indicator
green-and-blue
greenfield project
havere
heat invading large intestine
heel widening
high-frequency wave
hydroxyamphetamine hydrobromide
impositor
industrial construction
innerduce
investment coefficients
iron-iron carbide diagram
jinqing
Korea, South
landing-direction light
Lappula pratensis
line cutting technique
line of intuition
lower-tier
magnesium alloy
metal shaping equipment
Mirtia
musculi epitrochleoanconaeus
nonfixed block system
not a laughing matter s
noticeboard
observer-based control
oily flavo(u)r
overflourish
overguilty
PAL (programmed application library)
parser program
photorefractive keratectomies
Precision Thermometers
pulse type MHD generator
pulsed spray arc
pump log
Quesnay
ramosissima
relabelled
Retro-conray
rg-62 coaxial cable
right-handed
Saha's equation
saskatoon blueberry
satellite inspection network
simple fault
six-water grog
sleep-like-a-top
slippery
Spivack's operation
subsonic accident
thatches
tropical-beach
varini
ventral abdominal appendage
Westphal's contraction
yhydde