[医] 成血管细胞

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(442) / 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(285) / 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(251) / 评论(0) 分类 VOA标准英语2010年(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For decades, scientists have used an imaging technique called functional magnetic resonance imaging, or fMRI, to chronicle the brain in action. But a stu

发表于:2018-12-24 / 阅读(234) / 评论(0) 分类 Scientific American(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(308) / 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(291) / 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(349) / 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(352) / 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(317) / 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(335) / 评论(0) 分类 2011年VOA慢速英语(二)月

Study: Stop-Smoking Aid Ups Cardiovascular Risks An analysis of more than a dozen drug studies finds that smokers who take the drug Chantix to help them kick the habit face significantly higher risks of cardiovascular problems including stroke, heart

发表于:2019-01-14 / 阅读(347) / 评论(0) 分类 VOA标准英语2011年(七月)

'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(273) / 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(294) / 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(330) / 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(331) / 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(565) / 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(305) / 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(253) / 评论(0) 分类 VOA常速英语2007年(十一月)

Olivia: Dad, can I ask you a question? Dad: You just did. Olivia: I mean, can I ask you another question? Dad: Ask away . Olivia: Where do babies come from? Dad: What? Where did you come up with that one? Olivia: I don't know. Dad: Let me tell you .

发表于:2019-02-05 / 阅读(275) / 评论(0) 分类 地道美语播客

RACHEL MARTIN, HOST: Even with all the VA clinics and hospitals, that $180 billion budget for the U.S. Department of Veterans Affairs, even with all those resources, the day-in-and-day-out care of disabled veterans often falls to their own family mem

发表于:2019-02-13 / 阅读(350) / 评论(0) 分类 2017年NPR美国国家公共电台4月
学英语单词
affirmativenesses
after-the-fact approval
amsale
ant(i)acid
antenna-conducted interference
anti-status detector
appias olferna peducaea
archival record
as sure as nails
aucuba japonica thunb.
autocholecystectomy
balek
bare pole charter
black coast
blood coagulation factors
boulder strip
cardiette
chilika l. (chilka l.)
city block
clinker aggregate
collingual
complex dielectric
constant dollar values
continuous polymerization
convection pass
copy group
dientomophilous flower
Du Quoin
electro-hydraulic valve train
electrosistoscopy
eriksen
family Scarabaeidae
farbetween
fast-cycling synchrotron
First Earl of Orford
flow cell compartment
folded diploe
forced-choice test
fossa sphenomaxillaris
gaff-topsail yard
generation overlap
generic UNBIND
germicides
glistelone
gnemonosides
go to ... glory
gridworks
growth increment in weight
hardware source
Harezm
has definite proof
huipil
illuviations
inventory of the property
itza
kick back of chain saw
kringle
lereses
life event
light crude
mattauch's rule
maximum detection range
montecristo
murderbots
national aeronautics and space administrations
noncivilians
normal geodesic line
not heat-treated steel wire
Oligoclase-chladnite
operative error
osteoinduced
owner record
papadam
parkdale
physical restorations
post-hypnotic
powderblower
present climate
protoniums
radiate green space
rebaselines
reboots
regular bus
repeated transmission
reprunes
Rhodiola atuntsuensis
scuticaria tigrina
someone is walking on my grave
spandy
started out
STM
supracotyloid
transistor Gaussiun-pulse power rating
transom stern
truncus arteriosus
tsamikos (greece)
twobedroom
Unwinese
vecchione
ventle-trap
weight-balanced abutment
zero-duty bindings