[医] 视网膜细胞

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(262) / 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(101) / 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(106) / 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(128) / 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(130) / 评论(0) 分类 原版英语小短文

Two studies of perception: the retinas of depressed people are far worse at responding to contrast; people doubt statements more when the speaker has a foreign accent. A couple of studies on perception. First, theres now visual data to back up the id

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 60秒科学

A couple of studies on perception. First, theres now visual data to back up the idea that everything looks kinda gray when you feel blue. Researchers examined how the retina responds to different black-and-white contrast situations. They did the test

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 Scientific American(七)月

When people suffer from a migraine, they often retire to a cave-like dark room. But exactly why does bright light hurt the migraine sufferer? A possible answer was published this week in the online issue of journal Nature Neuroscience. A big clue was

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(一)月

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(130) / 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(206) / 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(156) / 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(125) / 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(121) / 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(143) / 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(167) / 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(166) / 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(108) / 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(93) / 评论(0) 分类 VOA常速英语2007年(十一月)

TOKYO, Feb. 1 (Xinhua) -- Japan's Ministry of Health, Labor and Welfare on Wednesday approved transplant of retinal cells to treat patients using induced pluripotent stem (iPS) cells derived from another person. According to Japan's public broadcaste

发表于:2019-02-03 / 阅读(106) / 评论(0) 分类 英语新闻

Idiom: Run before you can walk( be patient ) Hit the book: Retinal detachment Macular degeneration Cataract Light sensitivity Blurry Side effect Randomly Respectively Optical And high myopiawhere the eyeball stretches and becomes too longisn't just

发表于:2019-02-16 / 阅读(187) / 评论(0) 分类 趣味青春英语
学英语单词
acauliss
acid ammonium tartrate
air driven
alcohol-abuse
ammonium hexachloropalladate(iv)
An'kovo
automobile tire gauge
bioxyl
biuy
blutene chloride
building using party
by the lake
candles per unit area
Candollea
carnifications
cause offence
chlorine logging
churen himal
circumlunar trajectory
conductions
coordinated-axis control
cover one's ass
crabwise
crop economy
crossfire technique
cryodose
deglutible
direct-broadcast
explosion laser
free paper
Gastro-conray
Gentiana formosa
get a rise out of sb.
glandulae cervicales
Gorutuba, R.
guard wire
hardstep
hoards up
imparler
in pocket
index of sequence
input power of runner
internation seismological summary(iss)
irremovability
jaeckel
Jehovah's Witnesses
Lancret, Nicolas
Levinthal-Coles-Lillie bodies
locate function
locomotor process
logical course
long-lived radioisotope
magnetic metal impurity
mesothrid
more slowly
non-cumulative genes
normal interlocking
number-crunchers
NWM
odor free
parazone
Patroklou, Nisis
pay period
personed
pesic
photocell indicator
pithecellobium dulces
prectolact
pressure-fed
primary business activity
quadriceps muscle
quango (quasi autonomous non-governmental organization)
ratio (Rto)
resolution (fort resolution)
restaurance
roughhearted
sandbies
seniles
series-field winding
short-sale rule
side-looking
single dominant gene
smart-alec
snoot
Sollit's alloy
strawberryade
suirs
Supral
terminal vanning
thylacosmilus
time-domain matrix
trachyte vicoite
tronic
unbounded wave
union piece
user's coordinate space
vies for
vildrac
vogelzang
wage equivalent subsidy
white mulberry scale
wind of change