副神经元性细胞

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(150) / 评论(0) 分类 VOA2003(下)-环境与健康

We humans dont always make the best choices. But now a study in the journal Neuron demonstrates that maybe our brains do make the best possible decisionsbut only if its done unconsciously. Alex Pouget at the University of Rochester takes a look at un

发表于:2018-12-02 / 阅读(106) / 评论(0) 分类 Scientific American(十二)月

第六篇 神经系统 Section 6 Nervous System 第一章 总论 Chapter 1 Introduction association neuron 联络神经元 astrocyte 星形胶质细胞 axon 轴突 bipolar neuron 双极神经元 central nervous system 中枢神经系统 chemical synapse 化学突触 cortex 皮质 dendrite

发表于:2018-12-05 / 阅读(243) / 评论(0) 分类 医学英语

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(131) / 评论(0) 分类 国家地理2008年

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 60秒科学

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(五)月

By Melinda Smith Washington, DC 22 June 2006 watch Stem Cell report A new medical treatment injecting embryonic stem cells and other drugs into paralyzed mice has researchers wondering if it could eventually help humans suffering from Parkinson's an

发表于:2019-01-09 / 阅读(132) / 评论(0) 分类 2006年VOA标准英语(六月)

A: Nice to see you; how have you been feeling lately? B: I have been feeling great, Dr. Smith. A: I am happy that you have decided to come in for your annual physical. B: Yes, I am going on a cross-country bike ride on vacation and want to make sure

发表于:2019-01-11 / 阅读(99) / 评论(0) 分类 英语情景对话-健康

A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 英语情景对话-健康

A: Good morning, how are you doing today? B: I have been feeling pretty good, Dr. Smith. A: So, I can see by your chart that you are here for your annual physical. B: Yes, I am playing on the tennis team this year, and they are requiring me to get a

发表于:2019-01-11 / 阅读(93) / 评论(0) 分类 英语情景对话-健康

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(172) / 评论(0) 分类 2006年VOA标准英语(八月)

This is the VOA Special English Health Report. How important is your mobile phone, better known to Americans as a cell phone? MAN: I use my phone all the time. I'm always on my phone. WOMAN: It's kind of pretty much important to me because it's like

发表于:2019-01-12 / 阅读(94) / 评论(0) 分类 2011年VOA慢速英语(三)月

Power Your Laptop by Taking a Walk Scientists at the University of Wisconsin-Madison have developed a technology that turns human motion into electricity. In this week's journal Nature Communications, they describe how to power a cell phone or other

发表于:2019-01-14 / 阅读(111) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists Point to Possible Health Effects of Cell Phones This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association f

发表于:2019-01-14 / 阅读(98) / 评论(0) 分类 VOA标准英语2011年(八月)

DAVID GREENE, HOST: Scientists have taken one more small step toward understanding what makes the human brain unique. As NPR's Jon Hamilton reports, they've identified a type of brain cell that exists in people but not in rodents. JON HAMILTON, BYLIN

发表于:2019-01-17 / 阅读(108) / 评论(0) 分类 2018年NPR美国国家公共电台8月

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(109) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(233) / 评论(0) 分类 英语新闻

By Amanda Cassandra New York 09 November 2006 Movie star Robert Redford's Sundance Film Festival is teaming up with global cell phone operators to bring short films to cell phones to give people around the world access to independent films. Robert R

发表于:2019-02-05 / 阅读(114) / 评论(0) 分类 2006年VOA标准英语(十一月)

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(214) / 评论(0) 分类 趣味英语

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 英语新闻
学英语单词
abomasa
absolute electrical units
acropora donei
air intake system
annunciating
anti elitism
arrayment
as one might say
attraction meter
Ba Chuc
baharal
Baklanikha
baynards
bolshoy uzen
bozo sort
cinchonifine
clay-backed cutworm
cobelli
communication test
consumptive defibrination syndrome
counter-productive
crf(vc)(virtual path connection-related functions)
Dagwood sandwich
decaplets
Delmoneurina
derrick wagon rane
developmental tasks
doggier
endarterectome
Faleata Dist.
formed bellows
foxtrotting
free filter
friction type high strength bolt
gallium nitride materials/devices
genus conocliniums
Godhafoss
gymnogeophaguss
Hewelsfield
Hubener-Thomsen-Friedenreich phenomenon
Idria columnaris
impreg
insulinotropin
International Maritime Pilots association
Ipnosed
isopropyl tri(dioctylpyrophosphato) titanate
ixtli
Joux, L.de
kangabar
lamp-base cement
light-to-dark current ratio
magnitude of a voltage fluctuation
magrittes
malotky
material index
MCA
megaphoning
melampodium leucanthums
meliola symplocacearum
muscular contractions
non-reversible control
number plate stud
nutrient absorption
online catalogue
ophionin
output frequency
p.r.c
personal cheques
picroliv
pignappers
Pike-Conger
pinky sworn
piston ring pliers
pleuronectids
plocinine
premobilization
producing reserves
put on the game face
quard
ragdolls
relay underreaching protection
Rhodobacteriales
Robben I.
rock-forming element
rotary awner
routing expression
sanclomycin
self supporting tank
solids feed rate
specific heats
spica bandage
sports fans
state audit
steam break accident
tandem mirror fusion-fission hybrid
tele gauge
tensor geometry
text name
thimblewit
trough of flame
turn-rounds
zero momentum