[医] 被盖细胞

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(248) / 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(88) / 评论(0) 分类 VOA慢速英语2008年(六)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(90) / 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(112) / 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(113) / 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(110) / 评论(0) 分类 英语小短文

SCIENCE IN THE NEWS - December 3, 2002: Diabetes By Oliver Chanler VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about rece

发表于:2019-01-11 / 阅读(118) / 评论(0) 分类 科技之光

By Nancy Steinbach HEALTH REPORT -June 26, 2002: Diabetes Research Update This is the VOA Special English Health Report. American medical researchers say that a new drug has been shown to stop the pro

发表于:2019-01-11 / 阅读(72) / 评论(0) 分类 健康与环境

SCIENCE IN THE NEWS - Diabetes and Alzheimer's / Treatment for Alzheimer's / No Link between Vaccine and Autism By Broadcast: Tuesday, May 25, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Speci

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 科技之光

President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest

发表于:2019-01-11 / 阅读(97) / 评论(0) 分类 VOA标准英语2009年(三月)

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(192) / 评论(0) 分类 2006年VOA标准英语(八月)

By Carol Pearson Washington 27 March 2007 watch Heart Stem Cell report It is being hailed as a major medical breakthrough: cardiologists are using adult stem cells, not the controversial embryonic stem cells, to rejuvenate the hearts of patients who

发表于:2019-01-11 / 阅读(132) / 评论(0) 分类 2007年VOA标准英语(三月)

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(137) / 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(112) / 评论(0) 分类 VOA标准英语2011年(八月)

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(101) / 评论(0) 分类 VOA标准英语2013年(七月)

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(127) / 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(154) / 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(156) / 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(96) / 评论(0) 分类 健康与经济

By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced

发表于:2019-01-31 / 阅读(79) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
a baker's dozen
alcoholising
Ali-Youssef
all wood
Aru, Tg.
audio system
automagically
avalaka
back vent
berth owner
Bertrand qualifying equation
blindman's watch
blustering
Bourgmont
break sb's spirit
cannel shale
capture effect
carbonitrile
Chaetonotoidae
cheerer
cladautoicous
coil ignition
command-levels
conscious level
continuous stocktaking system
current linkage segment register
cutter arbor collar
diphenylphosphines
Don't cross a bridge till you come to it
draw-in air
eccentricity
equivalent annual cost method
erdmannite
ethylvinylether
execute summarilty
floccular degeneration
fourth-floor
framjee
genus phaethons
gone-by
green-belt area
gunk-holing
haiff
have someone in one's power
hgen
horizontal sulcus of cerebellum
in germ
insertion activity
interest rate sensitivity
Irish pennant
khabar
knock test engine
Komsomolskaya Pravda
maximum peak inverse volts
mitered
Montg
Mosterton
mudslum
muslim-americans
neoprene glove
New York City Police Department
nonautocorrelation
Noncash charge
nonimitation
not worth a fillip
obey the order
opdoes
Penialmen
photovoltaic concentrator solar array
piaya
pitch change
polascik
privatisation
pseudogramma polyacantha
puinsai
racenicity
rashid hotel
relative angular momentum
Return Premium Clause
rhombohedral enantiomorphic hemihedral class
roastmasters
rod removal
rujak
salt burn
saran
school planning
sepdumag
sicklaemias
simple surface
single-bond energy
so funny
sol iletsk
solot
space charge wave
Spilsby
subsea production system(sps)
supplementary linear sets
surface rejuvenation
tetartohedral form
tracheobronchoscopy
valetudinarianisms
Yubara