甲醇

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

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(58) / 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

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

发表于:2019-01-11 / 阅读(66) / 评论(0) 分类 VOA2003(下)-环境与健康

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
abandoned channel deposit
adrenalinogenesis
agricultural worker
algaeda
all-transistor circuit
anemic hypoxemia
antisubmarine ship
approximate synthesis of linkage mechanism
argintic
axfords
badiner
blown-sponge
break the skin
Bryansk
building reconstruction
carbon potential meter
cascade menus
casuistically
cembra nut
check-engine
checking-code time
cineasts
cobalt complex
colburns
conventional behavior
digitalized
disk emulator
disk packs
downcoiler
drying strength
Dulwichians
dynamic standard strain device
eco-audit
enzymatic browning
euro dollar
Falcataria moluccana
family Siluridae
firedamp explosion
fixed-carbon ratio
folded dipole reflector
four-note
gallein
garnet jade
gated ff
geared-down engine
halophils
Hofstetten
hundred year flood
hypothetical event
immortgage
infertile land
jolt squeeze turnover pattern draw machine
kaniker
Koppang
Kuhn-Tucker nultiplier method
lamellae branching in pearlite
lightly armoured
livefire
maladies
marginal cost and revenue
maximum allowable operating temperature
moisture retentive
monotectic point
multiple loop feedback
najibs
nonprocedural-oriented language
olly
overwake
paediatric urology
periscii
photondensitometry
piston valve ring
prehension
pseudomicroseism
pull up a pew
pyncyanin
pyrotartaraldehyde
quack-quack
radiodontal
reclusiveness
Registry hive
reliability deviation
reproducing property
riding-master
roll type stripping unit
roundleaf
sanitary paper
scale radix
scratch for
show-goer
smear case
sofias
specing
sprinklered area
steel casement window
switch lattice
tinea corporiss
toxinicide
unadjust
underhand
wax-berry
worshipfuls