4-羟基-6-甲基香豆素

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(54) / 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(103) / 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(102) / 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(57) / 评论(0) 分类 初学者听力文摘精选

Silybin 水飞蓟宾 Silymarin 水飞蓟素 Silydianin 水飞蓟宁 Sinomenine 盐酸青藤碱 Sinoside 辛诺甙 Skimmianine 茵芋碱 Smiglanin 光叶菝葜甙 Smilagenin 异菝葜皂甙 Solanidine 茄

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 医务英语

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(88) / 评论(0) 分类 医务英语

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(100) / 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(137) / 评论(0) 分类 农业与发展

RIO DE JANEIRO, March 18 (Xinhua) -- Retired soccer star Ronaldo on Sunday revealed his aspirations of entering the world of politics and becoming the next president of the Brazilian Confederation of Soccer (CBF). With the sudden and unexpected resig

发表于:2019-01-07 / 阅读(75) / 评论(0) 分类 英语新闻

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(106) / 评论(0) 分类 VOA2003(下)-环境与健康

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(117) / 评论(0) 分类 VOA标准英语2012年(三月)

DAVID GREENE, HOST: And it's David here with an invite. Come with me up a winding hill in LA to a house high above where the ocean meets the mountains. A woman is standing outside the gate. It's publicist Yvette Shearer. And she's with the man we are

发表于:2019-01-16 / 阅读(113) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Science and Technology Pollution in the Himalayas Time to call the sweep? 科技 喜马拉雅山受到了污染 是时候呼吁清扫了吗? Soot gets everywhere. Even into the world's highest mountains 到处都弥漫着烟灰,甚至蔓延到了世

发表于:2019-01-26 / 阅读(231) / 评论(0) 分类 经济学人科技系列

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(135) / 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(86) / 评论(0) 分类 VOA常速英语2013年(十月)

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(86) / 评论(0) 分类 英语新闻

BEIJING, Oct. 8 (Xinhua) -- Czech third seed Tomas Berdych muscled out top seed Jo-Wilfried Tsonga of France here on Saturday to reach the final of the 2.1-million-U.S.-dollar China Open ATP tournament, while Poland's Agnieszka Radwanska saw off Ital

发表于:2019-02-07 / 阅读(142) / 评论(0) 分类 英语新闻

Lene Marin的声音属于那种很舒服很随意,表面平淡但内里蕴含着百转千回,令人百听不厌。 从那首著名的A Place Nearby开始,Lene的歌总在最不经意的地方给人惊喜。 Still Here Lene Marin I just can't he

发表于:2019-02-08 / 阅读(89) / 评论(0) 分类 好听的英文歌曲

Brazil unlikely to hire foreign coach, says CBF

发表于:2019-02-18 / 阅读(85) / 评论(0) 分类 英语新闻

Lene Marin的声音属于那种很舒服很随意,表面平淡但内里蕴含着百转千回,令人百听不厌。 新的一天开始了,告诉自己,今天是我的lucky day! My Lucky Day Lene Marin Tell me what you saw that was so bad Tel

发表于:2019-02-20 / 阅读(101) / 评论(0) 分类 天籁音乐
学英语单词
Alteidet
amended subject
as wide as the poles asunder
berlichingen
bertola
binapacryl
blameworthy
block mining
Borgian
budworm
business processing
cassate
Chelopistes
chippered
Christianso
circular cutting
compagnonnages
computer-assisted teaching
control word statement
coroplast
crosslet
declivate
degassings
dentour
DLP TV
DNA amplification in vitro
donatis
double esker
double strength glass
duller
duty-paid
ellul
end chip
endocraniums
estimate in
eventer
fightingly
fix in
gnidilatin
Gobemicina
gutter inlet
hainings
hard automation
historical research
hypnotic dance
interauricular node
intermediate schools
jasmonate
juice pump
Lebedinyy
loadas
loose shoulder
MARKET AND COMPETITION
Marumba, Mt.
McIntosh test
meteorologic teleprinter network
method of building ship in sections
mistice
mortise joints
multi-grid method
Myodigin
Myvyrian
Na contamination of (the) water
non-nucleoside reverse transcriptase inhibitors
non-relateds
nonstorage display
optical response
outs-of-dateness
oversea broadcasting
parainfluenzavirus
perceptually handicapped
pharayngism
Pingyaung
plastic pressing
Portneuf
posterior crus
principal civil legal act
prosternal grooves
rathenan-suter sodium process
refried
Rhodosporae
rubber alloy
schizophrenic psychosis
share the responsibility
shreddings
silicon strip
Sonneratia paracaseolaris
spice poultice
spotweld-bonding
spring alloy
STABEX fund
stability against derailment
staple bolt
subalkaline rocks
superimposed point sources
symbol use table
thorn letter
threshold amplifier
tipped cigar
tool preseting measuring instrument
trunks of branchial plexus
vanitizing