氧甲基烟酰胺,利胆素,羟甲基烟酰胺

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(63) / 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(59) / 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(87) / 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(67) / 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(58) / 评论(0) 分类 经济学人科技系列
学英语单词
abnegates
absorber sections
alias name
antikinase
antikissing
assembler delimiter
bar iron crane
bar-chart
basic labour day
berrets
bit/second
bite me!
buttress foot
C instruments
calm central eye
Cardamine rotundifolia
chautunquan series
chondrichthyans
cially
cic (compensate ion chamber)
clearly-defineds
compound interest formula
conversion of viscosity
cornua minus
correction rate of defect
cowhands
crotonal
culmommarasmin
cut clearance
daphnella semivaricosa
degree of humification
dibujo
dogmatic
dynamic response curve
foregainst
gunungan
half speed shaft
hard tube
high-powered low-speed marine diesel engines
hockey moms
holistic-health
homopropagation
horribility
hot-wire current meter
Humiriaceae
hydraemia
i miss you very much
idleton
instantaneous water heater
length breadth ratio
lip-guided
Londrina
loucheness
loveth
maize mushroom
Mannitrin
marion's disease
Matapani
nanomol
over-compensation
overarticulating
overspreads
performance verification test
piedra colomboica
Piedras Albas
primary elevator
primary logical unit
proportional allotment
radar tracker
rated temperature-rise current
re-marks
residual vibration auto-spectrum analysis
saltfoot
saucer spring
scutala
sectional position
self-confrontation
silk scouring
skenitis
solar blind photocathode
Sorbus rufopilosa
stage-set
Stagg
subjective forecasts
superior intercostal veins
take the wind out of someone's sails
Tamazula
the Bank for International Settlements
the dark side
three-dimensions
till doomsday
trav
upcurl
vanadous chloride
vena bulbi penises
venereal sore
veselka
wall switch
Waterplantain
whether in berth or not
wormlions
wrong form