四溴化碲

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(144) / 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(129) / 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(165) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

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AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

发表于:2019-01-30 / 阅读(138) / 评论(0) 分类 农业与发展

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

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学英语单词
3-Hydroxybenzaldehyde
abnormal attribute
accelerated growth phase
acetonformaldehyde
adjacency effects
Agenaes
ammon(i)ate
an obtuse angle
Aplectana
be on the danger list
brixia (brescia)
caput breve
cardioid pattern
cerastium arvenses
chonophyollum
code-behind file
coffee-times
conveyor air-lock
coupon for bond
crotales
culturales
cXML
dethroners
development index
distrycin
downrush
DSTM
dynamic pile driving formula
dynamizing
eddy zone
ekpweles
excommunicated
executive park
field artilleries
finger rings
for want of a better
fore-denounced
gas projectile
gengshengmycin
Gentiana maeulchanensis
get down off one's high horse
GGSN
Gornozavodsk
gpg
halled
highlight
hydraulic rotary transmission
ideal-gas temperature scale
ideological struggle
in written form
in-core manipulator
istesso tempo
jihadisms
KIERAN
knar
laser chain
leukemic granulocytic cell
liability for payroll taxes
macular corneal dystrophy
malcon
maximum sky brightness
mcinally
middle initial
multiplication by variable
negotiation room
Neumann boundary condition
neurofilamentous
northwick
ouest
overmasters
para-acetylaminophenyl salicy late
parallel conjugation
Pauly's point
pot roasting
pre-mkt
reasonable value
renigat
Revolution Day
Rājauli
second person
see anchor
semmelweiss
shared-memory
skill or technique lack
slow butt welding
Sonora, Estado de
soufan
stapes prosthesis
swellmeter
teh ch'i
temperate forests
throttle ice
to mack
toxic discharge
trichohyalins
ultimate boundedness
uncoach
under-expanded nozzle
vivary
wax pinning
worm shaft and nut type