[化] 异戊基硫醚; 二异戊基硫醚; 硫化异戊基

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(210) / 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(131) / 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(177) / 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(156) / 评论(0) 分类 TED演讲国际问题篇

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(159) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(229) / 评论(0) 分类 60秒科学

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(198) / 评论(0) 分类 Scientific American(三)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(137) / 评论(0) 分类 VOA慢速英语2007年(一)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we tell about Alzheimers disease. More than a century after its discovery, Alzheimers disease is still destroying peoples bra

发表于:2019-01-12 / 阅读(200) / 评论(0) 分类 2011年VOA慢速英语(二)月

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(214) / 评论(0) 分类 2016年VOA慢速英语(十二)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(241) / 评论(0) 分类 2006年VOA标准英语(五月)

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(177) / 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(221) / 评论(0) 分类 2017年NPR美国国家公共电台1月

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(250) / 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(296) / 评论(0) 分类 2006年VOA标准英语(九月)

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(140) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(154) / 评论(0) 分类 英语听力文摘 English Digest

HEALTH REPORT - New Method to Find Alzheimer's Disease By Jerilyn Watson Broadcast: Wednesday, February 04, 2004 This is the VOA Special English Health Report. A computer picture of a brain affected b

发表于:2019-01-30 / 阅读(182) / 评论(0) 分类 健康与经济

HEALTH REPORT - New Alzheimer's Drugs Tested By Cynthia Kirk Broadcast: Wednesday, August 04, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. Researchers say two experimenta

发表于:2019-01-30 / 阅读(129) / 评论(0) 分类 健康与经济

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(173) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
A. C. D. solution
Agrostis sozanensis
bdi
bioinformaticists
birds-foot
bowl calender
bromoanilide
capsule stack
cardinal numeral
cargo all risks clause
cargo shorts
Caroli disease
cat burglar
cess pipe
Challex
characteristic size curve
Cochlioda
congenital loco
critical electric field
daily consumption
demodulator sensitvity
descend from sth
dial condenser
digital target
dijkstra's guarded command language
Dyson swarms
ecklund
eohypochthonius crassisetiger
estenson
ethylene alkylation
fibre radio burst
first epistle to the corinthianss
fluorescence-activated cell sorter
framing disable
go-as-you-please
goupils
Gropius
helix coil
hiss-and-tell
hopper dryer
hypothalamocortical fibers
i wonder at you
inland arc
isomeric compound
Karnātaka Coast
Le Puy
lex loci delictus
light-bending
lock and lock lift
Lotus SmartSuite
lovins
low-altitude flight
machine stripping yield
malplaquet
mechanical injector
mechanostable
membrane pterygoid
mexitils
mirrorball
moral reasoning
my
nascent line
nickel defense
ophthalmomeningeal vein
pal(a)eobiogeography
pattern grammar
pes planus
Pirbright
preincubated
pro-education
pterodactyle
Ptilocercus
purse-bearer
recurrent sequence
roentgen sickness
rossby waves
seaplane basin
self-diagnose
self-potential log
settling column
show itself
space partition
stamp upon
styriate
susurruss
swath aerator
SWO-38
terminal edge
thorium decay series
threonucleic
thrustmeter
tiger frog
tuum
Uno Chiyo
unownable
urophlyctis trifolii(passerini)magnus
ventilation casement
volume of world trade
wide-band pulse amplifier
wildfire rash
windex
wittler