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 sixty-four dollar question
active steering means
adaptive metallurgy
afterdrying
agreements
alarm gun
As affairs stand
asymmetric stretch
Australian blight
beat something out of someone's head
behm canal
belamcandas
brusquest
bullwort
card image transaction
carrier-current relaying
cassate
cinderellas
coaitis
coherent phase
collection and preparation
compendiousness
compression-type refrigerator
conservise
consubstantiated
continental marginal terrain
contour follower
control an diagnostic unit
correlated characteristic
custodian of postal effects
dabiq
data noise
decoy ship
diameter of wheel rim
diet nourishing
Dowra
drags in
Duchrow
external cache
extreme pressure oil
forewamer
free piston gasifier
genus gaduss
genus Gavia
Helophilus
Hemispherium cerebrale
high-contrast pan film
imprest cash
irritate
ladies'-eardrops
legendizing
lens slide
let the world slide
lickin'
linear motion
lineseat
lobed rotor compressor
loizos
magazine filler
marginal gland openings
metrechon
middle latitude air mass
neogeramine
niggerlings
non-life insurance
nuclear power industry
operational monitoring
oppurtunity
ossa multangulum minus
personnel protective equipment
pinworm
planitgrady
poisonous snake
poysoning
prerenal albuminuria
probabilistic fracture mechanics
putrefactiveness
quick-acting door
radar fusing
receiving orifice
red-short
restructing algorithm
rouging
samarium poisoning
Sculptor System
shop instruction
shut-down cost
snow melt water
Spanish tourniquet
streit
subfibril
suffusion
sympycnus laetus
teatherator
tertiums
twin edger
undifferentiated acute leukemia
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wmk.
yoeme