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
Adam's needle-and-thread
adenotonsillitis
al-khafaji
anchored contact mine
anti-beauty quarks
antilubricant
associated ping
automous
azanaques
backstairss
Bandwidth.
bernadeane
blower elevation
brasset
broadband service
C-14 measuring chamber
caesium clocks
cellular caisson
connecting collaterals
crossed control
crossing streams
cryoimmobilization
cut down the price
data communication technology
dilute
drove-road
eiders
emergency bilge pumping device
energy poor bond
epigranular
exochite
fancy plated stitch
fanholes
fibrous plate
flashes on
flying press
forward capstan
freakscenes
functional material
glamorises
glidepath tracking (gpt)
hards-to-reach
hellite
high-voltage circuit tester
homogeneity of correlation coefficient
in service staff
interdictum
isotopic space
John Millington Synge
Keeling Is.
krausz
laboratory mortar grinder
lay one's account on
Leishman's nodules
level landing
line reaming
logarithmic table
mechanical pilar
melolontha insulana
microdosimetric
molddrying
Monro
multisector
myosotis scorpiodess
Nick Jonas
nipponoserica quadrifoliata
no-platforming
P54C
parotidosclerosis
partial-factoral experimental design
phlebectopia
pumilin
push-and-pull rod
rain shelter
ranitidines
ration strength
renegues
Resistac
rival demand
rosenfels
Runnels County
Sansueňa
scope of statistics
scrapmerchants
shipping center
sorghum webworm
suzannah
teabagging
three-axis trainer
tool rest
Torrellas
trap baiting net
traversary
Tubinaire
unsurprise
vapor-phase crystallization
virtual program section
white-washing
Wi-do
with in the next two decades
worsted system
zestfulnesses