[医] 多潜能细胞, 多种作用细胞

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(290) / 评论(0) 分类 新东方背诵文选

From VOA Learning English, this is the Health Lifestyle report. It may seem like a moment in a science fiction movie. In a fierce battle, a creature loses an arm but, then, grows another one to take its place. However, this is not science fiction. It

发表于:2018-12-07 / 阅读(261) / 评论(0) 分类 2017年VOA慢速英语(一)月

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(113) / 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(131) / 评论(0) 分类 VOA标准英语2010年(十一)月

New Vaccine Research Aimed at Cattle Killer 新疫苗研究意在对付牧牛杀手 New research is underway to develop an advanced vaccine against East Coast fever a parasitic disease that killed more than one-million cattle in Africa last year. Res

发表于:2018-12-16 / 阅读(127) / 评论(0) 分类 VOA标准英语2014年(二月)

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(147) / 评论(0) 分类 2017年Scientific American(一)月

Making Stem Cells From Ordinary Adult Cells Most cells in our bodies are unipotent, that is they stay the same throughout their lives. For example, once a skin cell, always a skin cellthey never start turning into brain cells. The exception is stem c

发表于:2018-12-27 / 阅读(94) / 评论(0) 分类 英语时差8,16

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(144) / 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(159) / 评论(0) 分类 英语小短文

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(184) / 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(143) / 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(141) / 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(159) / 评论(0) 分类 世界各地新闻集锦

Science and Technolgy. 科技。 Artificial meat. 人造肉。 Hamburger junction. 人造汉堡的诞生。 Muscle grown in factories could soon be appearing in a supermarket near you. 工厂培养的肉可能很快出现在你周围的超市了。 A

发表于:2019-01-26 / 阅读(123) / 评论(0) 分类 经济学人科技系列

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(187) / 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(185) / 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(124) / 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(119) / 评论(0) 分类 VOA常速英语2007年(十一月)

Science and technology 科学技术 The 2012 Nobel prizes 诺贝尔生理学奖 Good eggs 再生医学界的大好人 THIS year's Nobel physiology prize goes to Sir John Gurdon and Shinya Yamanaka for a crucial discovery in stem-cell science?how to m

发表于:2019-02-24 / 阅读(148) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 The uses of stem cells 干细胞的应用 Potent medicine 特效医学 Stem cells may transform the development of new drugs 干细胞可能改写新药发展 PLURIPOTENT is a long word that means able to do many t

发表于:2019-02-24 / 阅读(158) / 评论(0) 分类 经济学人科技系列
学英语单词
acidity constant
acommodation
affectum
aiacritized switch
aliconazole
anisotremus virginicuss
approved apparatus
arhats
axial wood
Aztectron
baqir
bar length from face of support
briarlake
bright plating
cachinntion
chloroformic acid benzyl ester
chromous cyanide
chrysandiol
ciliary processes
cochromatographic separation
communication relay ship
counterwave
cry for help
culture technique
Curcuma exigua
cystic infarct
deleonardis
demand history
density measure
donatories
Duvoid
elapine
equipotentials
estimated uncollectible current taxes
external pulse generator
float collar stab-in
flogger
for conscience sake
freshest
full dyeing
futureworld
futuroes
Grande, Cachoeira
great circle girdle
Guanshan Township
half-fairing trailer
hole up
hotwater
instruction stack
insulating sheet
kalli
lameduck
lead pencil
life cycle method
look after one's fence
magnetic bubble memory (mbm)
match play
maundice
mechanical deterioration properties
Mlicrococcus phosphoreus
Moqatta(Muqatta)
motor commutator
mouse hares
muster up one's courage
nephrolithic diathesis
Nottinghamshire County
nutritionists
outcome measure
Pars tibiocalcanea
Pemba Island
petits bourgeois
pitch time
plasma progressive casting
pseudosieboldianum
purifying
quadruple wholes
quasi-equivalence classes
reversible variable speed motor
ribbed cotton elastic braid
right of premogeniture
risk-based supervisory approach
roneos
s-event
sfsoses-s
Shays's Rebellion
sound component
star-crosseds
strite
super-parametric element
sustainable tourist
talking-drummer
technogenic migration
thyratron sweep circuit
total quality control (tqc)
trumpet creepers
universitys
unseasons
veotere
wendle
whoremongers
win recognition from someone
zircon