[医] 内中胚层细胞

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(279) / 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(108) / 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(116) / 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(137) / 评论(0) 分类 2017年Scientific American(一)月

I had lots of pen pals. Very few of my pen pals have met because they live abroad. I got a phone call from Jenny, my Dutch pen pal, since she will live in my house next week. How interesting will be to me someone that I knew through letters! I can n

发表于:2019-01-02 / 阅读(119) / 评论(0) 分类 不用背句型学英语

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(136) / 评论(0) 分类 原版英语小短文

SCIENCE IN THE NEWS - October 22, 2002: Nobel Science Prizes By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program a

发表于:2019-01-04 / 阅读(221) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS -May 7, 2002: Humans and Chimps: What's the Difference? / Thousands of Ancient Remains Found in Peru / Rice Genes Mapped VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 科技之光

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(144) / 评论(0) 分类 英语小短文

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(218) / 评论(0) 分类 2006年VOA标准英语(八月)

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(165) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Stephanie Ho Washington 24 August 2006 The MacArthur Foundation, better known for offering so-called genius grants each year to individuals, will now recognize small non-profit organizations. The groups are diverse and are in different countries,

发表于:2019-01-13 / 阅读(201) / 评论(0) 分类 2006年VOA标准英语(八月)

'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(133) / 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(134) / 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(149) / 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(177) / 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(177) / 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(116) / 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(102) / 评论(0) 分类 VOA常速英语2007年(十一月)

Deafness 'Cure' is a Goal for Science The New York Academy of Medicine recently (October 3) hosted a research summit sponsored by the Hearing Health Foundation to promote a cure for deafness caused by damaged hair cells in the ear. An estimated 37 mi

发表于:2019-02-12 / 阅读(167) / 评论(0) 分类 VOA标准英语2011年(十月)
学英语单词
aids-free
Albagiara
anacolutha
apostolico-giancarlo algorithm
apparent stress
art theatre
assemble debugging system
atomic orientation
audience-participation
authentique
autonomously
avmas
azimuth window pulse
back partition
ballast condenser
belamcandas
biocides
black-scholes
blanket prohibition
blend stock
blind fault
bottom inner casing
buzzardet
c(h)amomile
caldesmon
casting character
Chase Manhattan Asia Limited
Chloralate
clam-shell excavator
commutating machine
compensation of employees
deer's-ears
die structure
diphenacyl
distributed fault-tolerance
duplex envelope paper
echinothurioids
ecobuoy
encloses
evaluators
extended harmony
firstness
force-feed nonsplash lubrication
full military honors
goldern
griffy
hierogrammatist
inconstantly
indian meals
inner capsid
internal tunic of eyeball
intersesamoidean ligament
Kharabali
mean drying rate
nitroexplosive
non avenu
Otero de Bodas
outhunts
parallel-arc furnace
pepper sth with sth
phosphatidylchline
pitot bomb
polymorphic leaf
portable radio station
preferred customer
PTCB
pump-back system
quadrature amplifier
quasi-isotropy
quick-release box
resalting
resorcitol
Rhododendron denudatum
riglers
rough-forging
schwantes
sicklaemias
silicate impregnated asbestos
Simaria Ghāt
single-trip multivibrator
spacer contact
statutory budget
sting of centipede
stockkeeping
sumbers
supervened
swarming migration
system of static equation
target publics
Taxillus chinensis
tide-pool community
to be taken before bedtime
to can
tolylenediamine
top casting process
Touton
Uphaz
veirs
vindaloo
water-dropper
with through drive gear
yeast beer