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
akazu
ampholyte
arbitrage international
Armando
be a good soul
black as a crow
Budelli, I.
bydracillin
cardiomuscular bradycardia
chain ferns
chamlet
cold syncope syndrome of Jueyin
conduritol
cow's lungwort
Coyanosa Creek
crack a bottle
Csplit
cytostatic
day.
dead interval
decal paper
deep seated blowhole
deputy district head
donor element
dorsal metacarpal artery
easy virtue
exact statistical method
eyeliners
family Cuculidae
fathead
fibromuscular hypertropy
fixed phase
floating-point interpretive program
flooey,flooie
floor covers
food stylist
gagging order
glomerulonephritic
glow mode current
group of linear transformations
hair-cuts
heavy on
iguazus
inforestation
infraorbital gland (or orbital gland)
interest expense
internal screening
intertrigoes
jia sixie
kabuto
kenophobia
lexicalising
logic(al) pattern
lower story
m-dicyanobenzene
magnetic stripe
magnets
Magnier
man-amplifier
manganese(ii) chromate
mausner
means of access
medical term
medieval furniture
Memphrémagog, L.
nongummatous
oak-leaf
opening contact
outbreak of hostilities
outward collection
pair generator
PF-TEST
pots up
precast trough shaped floor unit
premeal
prenasalizations
pulmoaortic
pulmonary hepatization
response characteristic measurement
Robert Walpole
salagama
sanitary protection
sawdust board
seepage-reflux mechanism
selective ionization gauge
semi log paper
spermatica ant. arteria
spray disc
surfcaster
systemising
the Alleghenies
the downs
tracking spacing
types of architecture
unipotential electrostatic lens
united nations development programme (undp)
videocassette recorders
Vānivilāsa Sāgara
wagon carryingtrailer
wan's
Wilderness Campaign
wind cup