角质化细胞

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(222) / 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(62) / 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(63) / 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(79) / 评论(0) 分类 2017年Scientific American(一)月

Fingernails. Theyre good for scratching, biting, clipping, and polishing. But what are they, in fact? 手指甲可以被用来划,咬,剪,磨。但是事实上,它们究竟是什么呢? Although nails may look simple, they actually have var

发表于:2018-12-28 / 阅读(50) / 评论(0) 分类 初学者听力文摘精选

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(81) / 评论(0) 分类 原版英语小短文

Paracrine - cell messengers also called cytokines which are locally acting, produced by neighbouring cells or the extracellular matrix, as distinct from as distinct from endochrine or hormonal messeng

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 医务英语

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(77) / 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(109) / 评论(0) 分类 2011年VOA慢速英语(二)月

Police in Sweden say they believe they have identified the man who blew himself up in the country's capital on Saturday. The man is Taimour Abdulwahab, a Swedish citizen who has been living in Britain for the past decade. Sweden's Chief Prosecutor To

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2010年(十二)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(87) / 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(70) / 评论(0) 分类 VOA标准英语2013年(七月)

Young Muslims Radicalized Online LONDON Young Muslims are being radicalized in their bedrooms through direct contact with Islamic State fighters via the Internet, according to terror experts. There are growing concerns authorities and Internet provid

发表于:2019-01-14 / 阅读(77) / 评论(0) 分类 VOA标准英语2015年(三月)

RACHEL MARTIN, HOST: All right. Over the years, hundreds of people left the U.S. to go fight with ISIS in Syria and Iraq. Only 14 of them came back. Two of them are women with extraordinary and similar stories. Both say their husbands forced them to

发表于:2019-01-17 / 阅读(83) / 评论(0) 分类 2018年NPR美国国家公共电台8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(105) / 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(118) / 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(123) / 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(68) / 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(50) / 评论(0) 分类 VOA常速英语2007年(十一月)

I'd like to sit around and dream you up a perfect miracle 我愿静坐一旁,与你一同设想一个完美的奇迹 I'd part the clouds and have the sun proudly shining on you 我愿驱散层云,让旭日之光芒骄傲地照耀着你 I'd take t

发表于:2019-02-01 / 阅读(87) / 评论(0) 分类 听歌学英语
学英语单词
accolades
Al Musallamīyah
Arctous
auto-transformer
Baboquivari Peak
Ban Huai Phai
bies
Blistergard
bolosaurids
Brugmansia
buckbuck
Bugs Bunny
calyx inferior
cargoluxes
chamber-pot
coigne of vantage
company-sized
cornsalad
crestmoreite
curing tape
death ethics
deeper cracking
deflection distortion
design automation of digital system
dry etching
Du Bois-Reymond Paul
electric sector
evening trumpet flower
fault-avoidance
fir-tree blade fastening
flavenol
frequency coding
geostrophic wind velocity
given rise to
high power pile
hoplia latesutulata
isoplere
janik
liny
lorpas
loss rate
maaed
modulo-11 technique
money-market instrument
move one's bowels
multiple beams array
muskiest
never-fail
nitrate radical
North American Cellular Network
Oilgate
onuphids
over cut
parity of pay
Pelletier, Pierre Joseph
perfection image
pittses
pivoted detent
plethodonts
plug-and-pray
pressure below the atmospheric
primary aircraft authorization
profuser
pythiosis
quadrilateral directional distance relay
realize the value
regulatory offence
retrocolic
ricimer
rock layout
Rt Hon
secondary performance
seven-food plan
sewing silk
sex-segregated
short interest theory
silo bunker
single acting centrifugal pump
single engined
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spider bug
standard testing sieve
start-stop signal distortion tester
stavrogins
stopylle
surface reaction
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trigger events
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tunable filter
turbulent skin friction
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valley of the dolls
viablest
visual evoked potential (vep)
wave crest
weisure
xephons
zichies