苯乙醇酸甲酯

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(65) / 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(66) / 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(60) / 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(92) / 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(68) / 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(59) / 评论(0) 分类 经济学人科技系列
学英语单词
acutes
aress
back twisting
barber
biopreneur
brute force
butterbutts
carrier return character
cat-scratch fever
Cava de' Tirreni
cellular convection
change over make before break contact
charger sensitivity
clepes
clinging root
Com. B.
condemnation matrix
conventional PCI
density-tensimeter
depolarized
differential fusion
diffusion
enterprise-wide
evidence for the defence
exhausted air
false cheek
fired away
flatterous
flux recovery
focus mask
food and clothing
french fifth republic
fuddler
Gavidae
glyed
gobe
gold preheating loop
Grims
hairspring stud
Hexastannite
high-energy and low-energy gamma-ray astronomy
hill shading method
historical analysis
isoconjugant
isotopically enriched ion
lapidates
lepra alba
linearity coil
Massingerian
meliha
metal-metal multiple bond
monohyeric phenol
nacho
noctiluca miliaris surir
off-chip
oil performance in engine
ore-carrier
parent-and-subsidiary relationship
Period of Carriage of Passengers by Sea
petalochlamys vesta
phase slowness
phosphate builder
Phultala
Podunk
Pontiac
post-synaptic potential
prepones
pseudobulbarpalsy
quercus garryanas
recycle slurry
remote training
restarter
Rhododendron punctifolium
saint-gaudens
samuel jackson sneads
sandblaster
scorpaenopsis cotticeps
sharp-edged intake
she's unconscious
sketch clock
Slovenians
South Pacific mahogany
stainand
statistical operator
sub-titled
sulphocarbonates
tactical communication satellite (tacsatcom)
the fair value
the last but one
ticket touts
tongue-tips
triggerer
triptycene
tuberoid body
underground storeroom
versene disodium
viburnum macrocephalum var.keteleeri nicols.
viscolloid
water-insoluble
Yonpo
zero-order holds
zym-