去甲基核黄素

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(49) / 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(96) / 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(97) / 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(51) / 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(126) / 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(90) / 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(131) / 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(99) / 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(127) / 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(78) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a cooling off period
A small leak will sink a great ship.
abstract totality
accurately machined
aegyptopithecuss
air-blaster
amyasthenic
antitragic
Antsondrodava
arsoniumsalt
artificial reservoir
as far as anything goes
aspect-oriented languages
BAFTAs
ball room
beet bug
big smile
bursa-equivalent
butterfin gers
by the gross
caradons
cardiovanil
Cassiope selaginoides
chained line
claim for financial loss
club nine
cut down one's expenditures
cylindraceo-
De Hoek
decision table
diarylations
disconsolations
escrima
eugene wigners
extra-fascicular
factory payroll taxes
filiform lapilli
fine granular cast
Fiske-SubbaRow method
functional group
goverment bonds outstanding
group counting method
guidance and control area
harness an animal to a cart
heliantemum soongoricum schrenk
intercom master set
isoetids
jumping collar
junghuhnia nitida
lay an ambush for
legendmaker
Lewisham
loubser
magrnatic rock
mambu
Mandi District
memorials
microbial ecology of foods
minced luncheon specialty
Moresby Canyon
neon voltage indicator
non-vibrating coil
noursles
oil-field brine
Orebites
original language
orlovibairdia formosana
pepito
photon-coupled pair
place of taking in charge
prefix to a melody
premaxilla medio-dorsal precess
radon
rajniti
recommixture
required pressure
retinohypothalamic
roll cutter
rollings-out
rostrals
sasser
security network
session command and responses
single-commutation direct-current signal(l)ing
singular vector decomposition (svd)
sky parlor
smash in
sod plug cutter
Storuman
subminiature capacitor
tea plucking machine
the pot calling the kettle black
third engineer
triangular coordinate
tricyclicss
tsim sha tsui
twist in same direction
unification-based grammar
vaginulus plebeius
vmg
washover string
Woodmancote