[化] 磷酸三异戊酯

INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are on a train going to Washington, D.C. Ellen Stewart is taking Alexandra Pappas to visit the nations Capital. They are, in many ways, like other tourists. They want to visit the Air and Space

发表于:2018-11-30 / 阅读(117) / 评论(0) 分类 欢乐美语

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(94) / 评论(0) 分类 VOA标准英语2008年(八月)

What about sleep? In slow-wave deep sleep, our glial cells rinse cerebral spinal fluid throughout our brains, 关于睡眠呢?在慢波深度睡眠时,我们的神经胶质细胞冲洗着我们大脑中的脑脊液, clearing away metabolic wast

发表于:2018-12-18 / 阅读(61) / 评论(0) 分类 TED演讲国际问题篇

So what happens when amyloid plaques accumulate to this tipping point? 所以当淀粉样斑块积累到临界点后会发生什么? Our microglia janitor cells become hyper-activated, releasing chemicals that cause inflammation and cellular damage

发表于:2018-12-18 / 阅读(73) / 评论(0) 分类 TED演讲国际问题篇

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(67) / 评论(0) 分类 TED演讲国际问题篇

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(84) / 评论(0) 分类 医务英语

By Lisa Schlein Geneva 08 October 2007 Sudan's infant malnutrition and mortality rates are among the highest in the world. Wherever international aid agencies operate, they make a difference in saving lives and creating healthier babies. Lisa Schlein

发表于:2019-01-07 / 阅读(64) / 评论(0) 分类 2007年VOA常速英语(十月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(三)月

By David Gollust State Department 14 June 2006 Secretary of State Condoleezza Rice defended Bush administration policy in Iraq, and American engagement abroad, in an address to a major Christian group. She told the convention of Southern Baptists in

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 2006年VOA标准英语(六月)

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today we tell about Alzheimer's disease. One century after its discovery, the cause of the disease is still unknown. (MUSIC) VOICE ONE:

发表于:2019-01-11 / 阅读(55) / 评论(0) 分类 VOA慢速英语2007年(一)月

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(五月)

Infant Dren and SARAH POLLEY as Elsa Kast in Warner Bros. Pictures and Dark Castle Entertainments science fiction thriller SPLICE, a Warner Bros. Pictures release. Genetic research can yield new treatments for deadly diseases and foods that are more

发表于:2019-01-13 / 阅读(66) / 评论(0) 分类 VOA标准英语2010年(六)月

New research suggests a relatively simple blood test might make it possible to predict who is at a higher risk for developing dementia. The most common form of dementia is Alzheimer's Disease, and currently, it can only be definitively diagnosed in a

发表于:2019-01-14 / 阅读(80) / 评论(0) 分类 VOA标准英语2011年(一月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(120) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Hip-hop in the summer 夏日嘻哈 Don't be a bummer, babe 宝贝别让我败兴 White lies and black beaches 白光黑色沙滩(吸毒后的幻觉) Miles in between us 我们相隔千里 Is this love or lust or some game on repeat? 这到底是爱

发表于:2019-01-17 / 阅读(112) / 评论(0) 分类 听歌学英语

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(106) / 评论(0) 分类 英语语言学习

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(196) / 评论(0) 分类 2006年VOA标准英语(九月)

By Kurt Achin Seoul 13 June 2008 Japan says it is lifting some of the sanctions it imposed on North Korea following Pyongyang's nuclear test about two years ago. The announcement comes amid apparent progress in talks on the North's abduction of Japa

发表于:2019-01-31 / 阅读(78) / 评论(0) 分类 VOA标准英语2008年(六月)

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p

发表于:2019-02-13 / 阅读(85) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
a low profile
Achorion quinckeanum
acoustic telemetry bathythermometer
Adrenomimetics
aeverett
African lethargy
anechoic
antiquest
antischistosomal drug
appellate judge
approach-to-obstacle marking
arab-
as quick as wink
Bacillus venenosus
belittlingly
bleues
blocking
Bode relation
branch tag bit
branchiate
bullcalf
carriage forward
cedilla
chauvin
coil ignition system
complex trust
COMPUSEC
convertible sedan
credit reference
cti color television system
Eastern Farsi
epigrammatarian
epirelief
Esteed
evergreen blueberries
evidential of proof
exampies
Excer process
extended scatterer
extinction-angle
fault tolerant computing system
filippino
frumkin
gear thicking gauge
general nonlinearity
genista aetnensis d .c.
ghrus
guided missile fuze
high-level graphical programming language
isotactic polypropylene
jacobius
karl menningers
keratinize, keratinising
Kezhemskiy Rayon
kootz
Körsu
limone
livestock product
Lone Oak
magnetist
manifest heterotropia
material index
mattifier
mechanical-lubricator
musculus rectus
narrow-band process
nega-
no big woop
non-copyrights
obstacle-course
oestringens
open capillary zone
Open Government Directive
ordez
out-in of the arm
patchways
pharyngeal slit
propylene diamine
proximal intertarsal sac
punishable offence
Sage Creek
scroll molding
sensory function
sinker butt
solder bump
spanes
spiral type core
spring-tooth drag
Standard Samples
start-up line
state of trade
statement in the instrument
Stellaria pusilla
Strandquist
suspected grafter
suturae symperitonealis
system settings
textspeak
Tourette syndrome
triangle meshes
universal digital interface
womanisms