[化] 四氯苯; 四氯代苯

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

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 Scientific American(八)月

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(116) / 评论(0) 分类 英语新闻

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(66) / 评论(0) 分类 阅读空间

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(88) / 评论(0) 分类 VOA标准英语2010年(一月)
学英语单词
'Aïn Zitoun
abrasive damage
acoustic plate-wave oscillators
alta floresta
amorphous structure
ANCOA
autofeed
autostabilizer unit
balisage
belem (para)
blow of hammer
brassolids
brazilianization
break in grade
caput articular
chemical and metallurgical report
Christiansted
church fathers
cyanein
debug the system
dialysable
dianthus chinensis l.var.lanciniatus koern
Dicraneae
diesel generator breaker
ejection testing
el carmen (carmen)
epithelioma of conjunctiva
error free running period
essential singularity
foreign bill bought
forsook
funnylooking
Geidam
goong
Grimthorpe
gyroscopic
heating treating film
hydrogenoid constitution
hypothetic reserves
Ilbeshausen
ingwersen
initialization routine
late-replicating x chromosome
leading screw
local heat loss
low stress brittle fracture
low-tension switch
Megalectil
mid-iron
midsystolic
millihelens
millimicrosecond
muchisimo
multipass weld
N-alkylation
Naponoy
non-riparian
nonvisitors
ocytocic
oedeme mucosum
onestop
panorpa sonani
pattern varnish
pecheux
petrol inlet
photographic data memory
Plant-sociology
Porro's operation
portmapper
preopercle
pressure range
Propertius
ptru
puh-leeze
Quixeramobim
recycle feedstock
remarriage
ricegrass
right-hand page
rough export ware
roundheels
salinity metre
Salpingidae
seaward
shell attachment
show-cases
shunt wound coil
skin stimulus
spread rim
stal
stulty
tharra
thiokol polymer
thun-hohenstein
titano-obruchevit (yttrobetafit)
vertebrate foot
Waimakariri R.
weismiller
whelen
with flowing sheets
zodiacal dust