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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(247) / 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(238) / 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(221) / 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(276) / 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(267) / 评论(0) 分类 万物简史
学英语单词
adjurations
alongshoremen
anomalistic(al)
ashbrook
asperns
auxiliary power supply circuit breaker
azoxymethane
balsam of Peru
barams
baryspira mammilla
bead contour
bek budi (karshi)
boiler structural steel
borow
Cape Verdean Creole
confirmity
continuous shifting
control bulb
cornucommissural uclei nucleus
coumaric
crash-locator beacon
crocheting machine
dead-heartedness
deutocerebral
diagonal check
dorsal flesh
double dissolution
enriched uranium
episcopalisinine
executive privilege
fall in with
FFER
field sales
file condensation
final purchaser
final-game
fine stern
flat plate shoe
Foramina cribrosa
gametocytocide
genarians
genderists
give someone the benefit of the doubt
gonidiogenous
half-stage
herd complex
high-temperature effect
Hirara
humeral head
hyhoproteinemia
immaterialising
inhomogeneous excitation
ketric
kinetecs
Koivumäki
latus superius
legg
LIN-1403
mabuya multicarinata multi-keeled mabuya
manipulated warfare
mendicable
microwave sample digestion system
migre
MSAT
multi-target well
musson
Ménil-sur-Bélvitte
nacreous cloud
non-navigable river
non-regulateds
nousles
on-premises
order phalangidas
our hands are tied
outboob
outstays
particularised
Pickrell spray
polygonum perfoliatum l.
post-trauma
powder for anesthesia
pseudo-thermostatic
rational knowledge
short-term public loan
skepticized
spunyarns
stinkbushes
strugnell
swingboat
TopText
touch of the tar brush
truthed
tusshe
twelve hundred
twist tester
vadium vivum
venous alveolar air
Wallace, Alfred Russel
watermelon radishes
waterside police
yeast-like budding