[医] 两侧细胞(神经细胞轴索分支到脊髓两侧)

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(281) / 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

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(91) / 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(117) / 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(138) / 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(137) / 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(147) / 评论(0) 分类 英语小短文

THIS IS AMERICA -August 5, 2002: Presidential Medal of Freedom By George Grow VOICE ONE: President Bush recognized twelve people at a White House ceremony last month. The twelve were officially honore

发表于:2019-01-08 / 阅读(299) / 评论(0) 分类 This is America

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(165) / 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(219) / 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(162) / 评论(0) 分类 2013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(166) / 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(135) / 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(150) / 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(135) / 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(150) / 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(178) / 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(117) / 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(103) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
Anastrophia
annual expenditure
automatic program interrupt
bearing moment
Betahydroxyfentanyl
blemisher
body-shake
bought-and-paid-for
bypath pipe
cephalopod
cloud system of positive vorticity center
coie
common subexpression
competitive subsidization
corpus lutein cyst
crists
dataless
depressor urethrae
discussion groups
disk unit supply
divergent sequences
Dostyk
drag resistance
effect a lodge
El Yunque, Loma
ellenberg
epyxes
estovina
euthycarcinoid
evaporator outlet pipe
Fedahist
fixed - income securities
fledged
food for long voyage
foot operating lathe
foreign office certificate
G-quartet
GC-SYN
genus sinanthropuses
gotten done with
grown ups
Gunter's line
have a shave
hiduous
Huanggang
hydro-planing
induced disease
instill a spirit
intermaxillary segment
intermittent irrigation
irle
jean cocteaus
judgement call
kilovar instrument
LAN Local Area Network
lee trevinoes
love-philtres
luff tackle
magnetic tape loading program
maximum pump pressure
mebhydroline
mesh range
methyl carbonic acid
mexican teas
milewide
mylonitized
neikrug
order lepidodendraless
osmious
out-flatter
palmach
pelvic tuberculosis
plain bracket
potentiostat
presbyterian
process air
psalmodize
pump for sludge tank
qutb
re-generated
reel-twist crimping
reservoir management log
reversal cost
scavenging of steam system
seek'st
silent satellite
sperrins
stoker combustion rate
Stolbovoye
subgelatinous
tjitji inma (central australia)
transverse stationary wave
tunnel top
type-case
uppent
volumetric theory
wheatflakes
wood-creeper
xenohistocompatible
Xingping
yhode
Yonsu-ri