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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(217) / 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(207) / 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(193) / 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(238) / 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(232) / 评论(0) 分类 万物简史
学英语单词
antiferroquadrupole
AOSD
auditor's final evaluation
average cosine
axisymmetric deformation
barriadas
berthonite (bournonite)
bibliomaniacs
big lima bean
bread and butter pickle
Breanais
calcium chloride brine
Cammer
capital adjustment
carriage paid to ...
cholesteric structure
clinopyroxenitic
close blade pug mill
container seedling
cut steel
cyclic introduction
dazzlingness
deflatable
demineralizations
df approach procedure
displacive type ferroelectrics
domestic news
door-knobs
El Matasano
electrolytically polished slice
external mixing
fipple flute
forced transition
fullyenergized
genus Catha
haemorrheological
hardened steel roller
hauling down line
have a rowwith
heavy manuring culture
Helkath-hazzurim
hemolympb
horizontal compensator
Horizontal price movement
hydrogen ion
idling of engine
index ratio
insertional inactivation
intertransversalis
Kadenbach
keep head above water
liberty ships
location service
loongs
lymphoproliferative diseases
make overtures to
materials in transit
mesameboid
milii
multiple box culvert
mylo-hyoid nerve
nootka fir
nsb
ntilde
optimization of algorithm
phenylglycal
pick-fault
pigeonry
pizzetta
pneumatic-mechanical high-velocity forming
Pocatello
polyadenylic acid
polyuridylic acid(Poly(U))
protection feature
provision of the treaty
prunus besseyis
psychotic epilepsy
put a period to
rack-bolt
reflux line
reversed decade counter
riparial
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ruby-eyed dilution
saw tooth butt
serifed
smaragd
solimastat
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sump
Supella
ternarily
theory of origin of species
Thermalite
thickness tolerance
timing waveform
tranquil
Tsuiki
umbrella-shaped stage
warrior-mages
white rhinoceros
wun tun