[化] 醋酸甲氧乙酯

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(三)月

β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安

发表于:2019-01-03 / 阅读(64) / 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(83) / 评论(0) 分类 农业与发展

LOURDES GARCIA-NAVARRO, HOST: After a momentous week in news, let's tune out of politics for just a moment and tune into The Puzzle. (SOUNDBITE OF MUSIC) GARCIA-NAVARRO: Will Shortz is the puzzle editor of The New York Times and WEEKEND EDITION's puz

发表于:2019-01-16 / 阅读(33) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(57) / 评论(0) 分类 经济学人科技系列
学英语单词
4-Dimethylaminocinnamaldehyde
a.c.-d.c.receiver
acepiphylline
acid-resisting iron
admission days
agounni jefal
anti-Stokes light
aphidozer
ark shells
astrogeological
Atori
be in safety
bearing corrosion
bearthite
binaural listening
biospherians
cable compass
cable-angle indicator
cash-flow to capital-expenditure ratio
celebreality
cirsium suzukii
coachfellows
compsoptesis rufula
corajo
cow equivalent
decay signal
densitograms
detached job
doughnut tube
earth resources technology satellite
east antarctic shield
eastnors
eco-city
emergency budget
feeler connecting rod
fort frederica national monument
gain flatness
hardware logic translation system
hemiparalytic
high powered money
high-frequency instantaneous variation
i-songe
inferotemporals
informal programming language
inherits
inter-American
isentropic (analysis)
jallouds
knawing
knicked
louekoski
low self - esteem
magnesium
mediatorial
microsomal antibody
mobile tag
multi combination meter
multiplier discrimination
Nemocardium
net-knot
new foreign bond issues
parts company
pneumotherapeutic
POW camp
pressure critical
protective shield
protoceratids
puncturing
racing-driver
railes
Ranunculus angustisepalus
rellice
resource constrained
saltillos
Samurai bonds
Saxifraga nigroglandulosa
scleral encircling operation
shunt-peak circuit
solanidin
special factory
spiral balance
stack flare
strawberry pigweeds
suppletorily
test on internal overvoltage
thermoelectric property
torsion bar safety valve
toscanoes
trade hazard
trade preparatory class
transguys
trebant
Trigonostemon huangmosu
videocamere
viscoelastic properties
wartzman
wet-steam fog-cooled reactor
wispish
worm lock
X.25 protocol
zoologize