丁二酸甲酯

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(90) / 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
-plinerved
aero operating pressure
alpha function
altitude correction of zenith difference
antiferment
archive file
bailouts
be an a fool for one's pains
bearma r.
bez
bicarbs
bridge data
Buprestoidea
butterfly lung
call-waiting
capillary feed
cholecystenteric
chromaffinity
common tangent
complicated fit
Corcoran
criorhina formosana
Davidge
dimethoxy-phenecillin
drag model
dynamic dark space
engineering ship
fluidic element
fluxionary
fornicarer
forward shifting
frosk
greatgranddaughter
group column
haemad
handling of plants
heat-resistant
high power type dry cell
highly effective
hobby column
Hygrophoreae
inner hearth
intelligent measuring instrument
interpreting matrix
it refers to
Jeshimon
Kbal Romeas
ladder escape
lineate
llong (wales)
louri
Lower Loteni
M-regulator
mad-scientist
mallota hysopia
manufacturing milling machine
megalotocepheus japonicus
meliboeus takashii
method of measuring potential
mixed tocopherol concentrate
motherboards
mustard-plaster
naphtha-reforming process
newpassword
nitronic
nonetheless
not exceeding
numerical character
onodi
open charter
open discussion into
painting therapy
Pan-American Day
parotid chondroma
personal accident policy
platitudinarian
preferential solvents
protometamorphism
Ramos
reflective tape
Rio Martin
rollers and races contact
rubble discharging
run ... ragged
Sharezer
single instruction multidata organization
Sitkalidak Strait
skepsful
soft clay
spreafico
sugarish
swen
tersely
Thalassiomycetes
tradein
tray-system
ultrafiches
underassessment
universal constant
vacuum fumigation
window cloud
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