3-羟基-N-甲基吗啡喃

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(64) / 评论(0) 分类 Scientific American(六)月

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(52) / 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(88) / 评论(0) 分类 农业与发展

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2012年(三月)

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

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(53) / 评论(0) 分类 英语新闻
学英语单词
acceptance houses
air cleaner body
air-to-close
analytic homomorphism
androcentrism
apostema
beilschmiedia assamica meisn.
bench man
bobruysk (bobruisk)
bowel obstructions
bulemic
candacia elongata
capsula externa
carrotting agent
cashway
coaldust
conjurators
constative
contra-gamba
corrugated mirror
crop someone's feathers
cross ink
data placement
decidable proposition
derivatively
devaluation of pound
dimethyl acetophenone
embouchures
empty-jury-chairs
engrosses
error free channel
ether petroleum
ethical truth
expansa
FAC (final acceptance criteria)
ficifolia
flaysome
fringepod
full-row rank
Gokase-gawa
great sciatic notch
Grote, George
house-sit
hyaluronic acids
hydrocarbon method
india-rubbers
indirect water filling aquifer
inert region
intermittent pre-excitation syndrome
inwardly opened casement
kailas ra. (gangdise shan)
linked list search
lollopy
longifolane
loose pin
loose rockfill
mean lower water
Mort, L.du
mountain watercresses
niftiest
nuclear instrument module
oligomictic rock
one-point pick-up
one-side information source
ophthalmovascular choke
Ozzano Monferrato
Paso de las Piedras
pericardial sinus
personal data terminal
phase modulated transmitter
probenzamide
pumping ability
ragged fringeorchid
rancid milk
reenforcement classes
reversing bloomer
santorums
Scydmaenus
sea going tug
Seller's cone coupling
sememes
sinistral transcurrent
steering mechanisms
stone breaker
supercalifragilisticexpialidocious
supplementary valence
suspended-solid contact equipment
take the examination of sb
telluric-current method
tetra-n-heptyltin
theological liberalism
to be expected
touch glasses
triple-grid tube
unavailable device
unshameless
v.m.
vice commodore of convoy
VideoPlus
Wolsey
Yamala
ypsiloid cartilage Y