[化] 甲基丙酮

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(90) / 评论(0) 分类 2016年VOA慢速英语(十)月

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(93) / 评论(0) 分类 VOA标准英语2015年(一月)

Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma

发表于:2018-12-24 / 阅读(115) / 评论(0) 分类 2016年Scientific American(八)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(137) / 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(137) / 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(93) / 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(161) / 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(141) / 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(177) / 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(143) / 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(165) / 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(137) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
A1B
ABC, abc
accelerating trend
aft-sheer
agreement on telecommunication service
Algorithm Language
Ambjörnarp
anarcho-individualism
anisotropicsubstance
at a splitting pace
bac-
be a fool to oneself
be similar
beetly
big enterprise
brake inspection depot
Bullet Bond
calkin
call barring
compact disc - rewritable
constring
costreptomycin
crusty bread
cutter spindle sleeve
CV method
defect management
determine the nature of an offence
diplomatick
dissection block
do sb brown
electronic formula
ellings
equivalent rate
fancisco
flatworms
folic acid
footer
format classification
forty-niner, Forty-Niner
gorettis
gunnery target
Hard starboard!
hunger-strikes
hypergeometric series
hypothetical resources
indexing specificity
infectious hemoglobinuria
ingravidate
interdimer
jump target
Kroyer
largy
latent heat of fusion
lunisolar motion
mee-maw
method of replica plating
Moloma
mudfish
multipair
natural coolant circulation
naysaying
nonrefractory
Odets
otv
outring
packetswitched data network
Palestinianess
PARAZENIDAE
paulita
peraquinsin
pickthall
plastomere
pseudohymenium
psychoacoustic model
pulsating sphere
pumpido
radioscans
rale bubbling
rare-wrap connection
rashts
rearm
reflectometers
rice planter
root suberization
runway roll-out guidance
Saltwick Bay
score test
single-phase critical flow
smoothing planer
sounding machine check
SQ-16360
stranguria due to disturbance of qi
symbol manipulating language
tetracarbonylcobalt
the state council
turn-to-turn voltage
uninitialised
verae lumbalos
vinylal
violufoside
Wijnegem
work loose