[医] 指细胞

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(226) / 评论(0) 分类 新东方背诵文选

Evidence is seen for a possible cause of solid tumors, but many questions remain. Transcript of radio broadcast: 24 June 2008 This is the VOA Special English Health Report. Some experts predict that doctors will someday use stem cells to treat many

发表于:2018-12-15 / 阅读(68) / 评论(0) 分类 VOA慢速英语2008年(六)月

Pythons Unlock Human Heart Health Secrets Studying snakes might seem like an unlikely way to help people with heart disease, but a pythons remarkable ability to quickly enlarge its heart during digestion has Colorado medical researchers looking towar

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 VOA标准英语2011年(十一月)

An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ

发表于:2018-12-16 / 阅读(69) / 评论(0) 分类 VOA标准英语2010年(十一)月

Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 2017年Scientific American(一)月

Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s

发表于:2019-01-02 / 阅读(89) / 评论(0) 分类 原版英语小短文

英语短文:Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 英语小短文

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(120) / 评论(0) 分类 2006年VOA标准英语(六月)

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(161) / 评论(0) 分类 2006年VOA标准英语(八月)

Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tel

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2013年VOA慢速英语(五)月

Economics Report - Using the Internet and Social Media to Search for a Job This is the VOA Special English Economics Report. The job market is more competitive than ever for millions of workers around the world. In America, one reason right now is th

发表于:2019-01-12 / 阅读(94) / 评论(0) 分类 2011年VOA慢速英语(五)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2011年VOA慢速英语(二)月

'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the

发表于:2019-01-14 / 阅读(92) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(二月)

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2013年(七月)

The 2016 Nobel Prize in Physiology or Medicine goes to Yoshinori Ohsumi of Japan for his discoveries of mechanisms of whats known as autophagy. Break the word down and you get auto and phagy: from the Greek for self, auto, and eating, phagein. So, se

发表于:2019-01-17 / 阅读(123) / 评论(0) 分类 2016年Scientific American(十)月

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(110) / 评论(0) 分类 世界各地新闻集锦

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(127) / 评论(0) 分类 60秒科学

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(132) / 评论(0) 分类 科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may

发表于:2019-01-30 / 阅读(76) / 评论(0) 分类 健康与经济
学英语单词
accumulated pitch error
Altlay
Amesmes
athyrium leiopodum
authorial audience
axostylus
barge-couple
barley smut
barnstorms
basic carbonates
board resolution
Braque
centrifugal switching
circumgenital
coefficient of blackness
colitisX of horse
commerceable
complete harvester
corylus tibetica batalin tibeten hazel
crytorchis
cymatosyrinx impolita
diazoamino compounds
dicranum scoparium hedw.
dieb.alt.
DMPP
double bracket
dovetail saw
dulcarin
ego-crushing
finishing wheel
francaises
friction pull test
FUC-1-P
gill rot disease
glomus bodies
gpl
Gramm Leach Bliley Act
helioscopy
Hilarius, Saint
Hogan's brickyard
huld
hydrolyzable
icare
ImageLock
interzones
introducing technology
inverted vee guidance
ionization radiation
Ise-wan
lead-zinc ore deposit
Limnichthyidae
liver stain
low consumption engine
lung-power
malline
management by predetermined policies
mardikian
Methanobacteriales
microeukaryotes
mixed court
molecular weight distribution of polymer
monsoon rain
nazies
nonexonic
notre-dame-la-grande
null allocation
passmark
period definition
problem-oriented languages
pteridosperms
raccourcy
resistivity instrument
ricottas
ring pit
RPTLC
sadleirs
selenolatries
sessile
silvius formosensis
speckled and lentiginous nevus
spiral angle
spring needle machine
stellar chain
sterile shoot
strain gauge transaction element
structure geology
subneuralis
Sulftalyl
suprarenal cortex
Terjit
tomatoing
tractus nucleocerebellares
traysch
trigones
tulku
under-deck
undisturbled
vacuum pressure valve
vacuum tube rating
Vialas
waryse
zoopraxiscope