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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

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(87) / 评论(0) 分类 农业与发展

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

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
adiabatic compression ratio
administrative setups
Ahlu Quran
ala cinerea
Albanella
Andric
anticorrosive lining
asp vipers
astronomises
authigenic element
be bold to
binary alphabet
biscuit check(ing)
card feeder
circled subset
comparison test
compensation condenser
courtyard
Craonne
critling
Dermatina
design brief
direct adaptation
dynamic ordering procedure
electrical accessory
estimate in dynamic model
excavating holes alongside the wreck
exercise directing staff
fractional variation
free Abelian group
Fukuda Takeo
get on your soapbox
glyoxime
good-faith
gorbis
hamartomata
hemolysis index
hox gene
immunoglubulin
institute cargo clauses-fpa
interface of fresh-saline water
interregna
keratoacanthoma
kismet
launching stress
lay-reader
lays on
leitner
letter box.
line of projection
lithiases
lithics
lithocarpus viridis rehd. et wils.
Madai
maladera formosae
maximum rated conductor temperature
measure tank
modified conical projection
modum
Money Lenders Act
multisampling
musculotropic
nonlinear mechanics
odorise
oil-resistant plastic
onramps
orbit number
outdoor lighting
over-rope
Overrack
oversweet
page access time
pimetoma
Pipmuacan, Rés.
plicae pubovesicalis
poly-8-amino caprylic acid
Poriyya
pulling guard
raffish
recovery arrangement
resolution test bar
safety pipette filler
severums
sieva beans
single channel analyzer
snout-bow
sokoes
St-Florent-des-Bois
styloglossus
Surface computer
thermal distillation
thraulite (hisingerite)
transmission of energy test
uncinarial dermatitis
us letter
Vaishnav
valve element
vdw coding system
Venotripsy
William Golding
year-to-year percentage increase