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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(282) / 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(270) / 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(249) / 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(348) / 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(325) / 评论(0) 分类 万物简史
学英语单词
accidental drift angle
angie
animal communications
Arinos, R.
asepticising
Bad Wimpfen
balanced line system
berht
betoxicaine
Boolean complementation
BTA
Bulman Gorge
bursa of coracobrachial muscle
calculability
callanthiids
canadian bacons
case to move for new trial
characteristic curve of flowmeter
Chicago dog
chlorobenzal
chlorophenylalanine
colegraves
color glaze brick
commercial organization
dialectic materialism
dilate
Diodoquine
duplicaria spectabilis
emulsion degreasing
engulfer
fan-leafed
flashfire
floating policy
four-cable crane
genus Colubrina
give oneself up
go out of ... mind
guesting
GZT
halfcourts
have trouble with
How did you break your leg
Insarskiy Rayon
intensity of photosynthesis
internal charge
internal packing
ion loss
isochromocentric
Italian tile
Lasiocampidae
light-complexioned
line, gradient
Liner's Freight Tariff
litterbag
load capacity of lubricant
metallic monetary system
naturally occurring poison
negative ion
NJP
pare expenses
pepe installation
poplar flower
Populisms
PRARS
pretensioning
primordium of thymus
railroad chronometer
red tea
right angle clamp
rockbed
rosette copper
ruturning materials to storeroom
sanitary apparatus
ScanPST
see through
Selfex
seniculture
shit disturber
small neighbo(u)rhood
spectrographic control analysis
spicinesses
star dyeing machine
strobilae
subcommissural organ (sco)
super spike
synklit
taking-up finger
terminal name
the sting of a bee
three wire measurement
track (tr)
tranny chaser
turn'd
up-time
very, very
Vineuil
wehi
work up period
WYTM
yhu
zone short