5-羟甲基尿嘧啶

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(57) / 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(104) / 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(103) / 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(58) / 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(132) / 评论(0) 分类 60秒科学

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

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(108) / 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)

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(136) / 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
学英语单词
addiction-related
Adonis vernalis
alarmest
alfred alistair cookes
almsgiver
altitude correction factor
amphotropic virus
aparigraha
argipressin
attribute name
backtalk
base chord
bearbaiter
beer garden
bobcat
bridgetowns
business applications
carbide tip
carry point
casting tolerance
communication check
cranial capsule
cutting-out for individual cylinder
Dangur
delocalized electrons
depot level
diphenylethylenes
disorganized schizophrenias
Don Pong
eight-thousand-dollar
electromagnetic vibration sand screen
equilibrium flash vaporization
expected receipts
extended electron beam
feed circuit
fifth-inning
firewarning
flacons
forespeakings
Gyrodactylosis
hard hearted
historical review
hobby horse dance (england)
hot machining
hubli-dharwar
imped
infrared beam-riding system
Intermag conference
intirnal sizing
inventory-final
inverities
investment representative
ischemic necrosis of femoral head of adult
Juramento
ketohexonic acid
knotgrass
Kotorski Zal.
Lappi
Let my girls hang
limonia (melanolimonia) aurita
liquid crystal displays
manpower allocation procedure
masuda
matricizes
metalastik
meter board
metrological performance
miliukov
negative-pressure
neutron death
neutron densuty distribution
Ngaparou
one-speed neutron
period of oscillation
Phrymaceae
post-procedure
pure line (johannsen 1903)
put out fire
radial g
rapid radioactive contamination indicator
reparation commission
respirators
s.b.s.
sampradaya
sciatic dislocation
sensationalness
solid body rotation
solid-fuel ramjet (sfrj)
stage fluctuation
sublimit
syphon(pipe,tube)
tally plan
teichoic acid
Thomas-Fermi atom model
Tredemide
unja
unrushed
voucher account
whirl instability
with a good countenance
yak hair
ZEG, Z. E. G