5-甲-2-己酮

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(66) / 评论(0) 分类 2016年VOA慢速英语(十)月

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(117) / 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(114) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(67) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee 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 research presented

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 60秒科学

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(116) / 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(149) / 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(118) / 评论(0) 分类 VOA2003(下)-环境与健康

Jonah Hex. Are these the boys you wanted? You surely have done us quite a favor. A transaction is all it was. I'll collect my hundred dollar bounty on them and be on my way. From Superman and Spider Man to Josie and the Pussycats, Hollywood has a lon

发表于:2019-01-13 / 阅读(121) / 评论(0) 分类 VOA标准英语2010年(六)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(141) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(100) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
aba
actinonerritis
Akademii, Zal.
Alchloquin
army epidemiology
Aspidites
avowry
azel mounting
azoxymethanes
Baileyville
barge to barge transfer
battles of monmouth court house
be not on
bedrock fact
bent crystal x-ray spectrograph
bosentan
cab over engine truck
cassetted
categorists
catty-wampus
chaun
Chinese strawberry tree
chovy
clearcoat
commencified
commercial department
considerant
contemplatory
continuous darkness
crossing current
days of yore
deal breakers
dialcom electronic mail
diodora suprapunicea
emergency order
equin-
error induced grammar
fibrillin-2
foxiness
g.m.s
geometric probability theory
gilbreth basic element (gbe)
green corn
Gunnaur
hanni
heptadecyl
high common low relay
impeded eruption
interest-earnings
international steam table
inversed population
isoamylenoxypsoralen
lateral divide
light-balancing filter
liparis auriculata blume
load effect
looked into
low copper nickel matte anode
make nothing of
marie jeanne becus
meningocele
mesioclination
methylene creosote
mirror-writing
Mor dict.
mossbauer
multistar
neoagarotetraose
noise-like signal
obstruction by slime
orifice-column mixer
outplant system
overcaution
page set-up
Pełczyce
prisco
professional-training
pudent
quasi-derelict
Raft R.
railroad compass
reasoningly
right-laid
rotary-milling machine
septal cartilage
Sonneratia hainanensis
steel swarf
strictly convex space
subsidizing
tagliabue
ten million
theory of subjective value
tidal report
toggle-lever arm
toord
transverse-film bolometer
traverse transit
tricasts
Triptil
unconformable interface
yin syndrome
zigzag contour reflection