[有机化学] N-甲基

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(84) / 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
5-isoandrosterone
a lamb
active area of solar cell
agnich
alfred lothar wegeners
allowable tensile stress at design temperature
anagyrus sawadai
as good as one's word s
attatched
auroral hiss
Ban Na Chiang
bathymyrus simus
bentone lubricant
bilogical
binda
boat landing platform
body slitting machine
bound labour
butterwoods
cardinali
chain breast coalcutter
cheval-vapeur
chromatic component
ciono-
co-beneficiary
commodity valuation at cost
compensation capacitor
concordant fold
connector node
controling measure
coo-
counter ring
countersink depth
current of rest
damping-force
discoverd
disk-and-doughnut
effluent quality
embargo act
environment of plans
factor X
fibrex
forcep
general patent
genus Pyrethrum
globular shape
glycosylceramides
GM_it-s-or-its
Hall of Famer
heat pipe solar water heater
hexitol
hunter
idiochromatic mineral
indirect oration
internalness
international master
iteration element
jumble bale collector
lateral buckling of beam
lever safety valve
lithium vanadate
maintenace bypass line
manuss
martensite cold working
Martoli
mazdoors
munida psamathe
musters-out
non fertile material
nonintrusive
nutritionals
pokin
polyaxon spicule
pronoid
quercetins
Rafford
real-voice response
regulator system
rhabdoweisia laevidens broth
riding index
roistered
Sebastiano del Piombo
sensitised door mat
sheaf of ideal
sowing point
standardization of maritime document
stickbaits
stiffening ring
stop short of doing
subcooling boiling
Talmudists
Tanis
theorem of polyhedron
tirrito
tsampouna
two-panel
urban green coverage rate
veritical gradient freeze method
vertical retort method
wlb
zebra butterfly
zonulitis