[化] 咖啡因; 甲基可可碱

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(100) / 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(156) / 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(154) / 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(120) / 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(174) / 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(157) / 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(191) / 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(156) / 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(183) / 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(168) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
across-the-aboard
active equivalent network
adjacency-list representation
adorant
Alchornea trewioides
amplification range
angle of exit
bireactant reaction
Brunico
bulk weigher
catalogue price
CGIAR)
cloud-dragon
Coluria oligocarpa
combustible fuel air mixture
contemptedly
contra-rudder
corylophillin
crystallizing power
cumulative heat treatment
Cyathea medullaris
dahlak kebr (dehalak deset)
darsenas
decet
decherd
deviation of compass
dimmer pedal
dried vegetables
drug analysis
electronic component assembly
elementary necessaries
eleutherodactyline
erythroclosis
fissioner
floorset
fluid mechanic
forb
gas pressure sintering
Gaura parviflora
genus oreamnoss
GrayBalance
high resistance receiver
hirable
horizontal tubular boiler
in the bud
in the wood-pile
infanteer
instantaneous-reading tape
jogging bottoms
Justicia diffusa
kalmykias
Landing L.
laser-guided missile
lead ball
Lie, Trygve Halvdan
liv-
marlstones
mesopore
met enkephalin
mind-rapes
miter cut ring
monolithic processor
montanous
motor advance
nancs
near neighbor mesh network
NUPPS
omphacite-ecogite
other-sex
paraclone
per calendar month
portal vein thrombosis
proportional-plus-integral-plus-derivative action
punctule
real-time dynamic projection display
resettlement housing
resolubilized
retention period check
sacri
semi-cubic
semmes
SgtMaj
shade and shadow
shock excite
signal operation instructions
Sky-Fi
stereomixer
superconductor cavity
swinging screen
table cut
table development
Taswegians
teleaction
to the windward of
Torralba del Burgo
total commitment value
traffic-jammed
transsystemic
unbalance amount indicator
unbundion
ungroups
valence electrons