[医] 霍夫包尔氏细胞(绒毛膜)

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(254) / 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(100) / 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(103) / 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(122) / 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(125) / 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(123) / 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(203) / 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(142) / 评论(0) 分类 2007年VOA标准英语(三月)

HOST: Welcome to AMERICAN MOSAIC, in VOA Special English. (MUSIC) I'm Doug Johnson. On our show this week: We answer a question about an American television show ... Play some music from a new album by Norah Jones ... And report about an extremely po

发表于:2019-01-11 / 阅读(116) / 评论(0) 分类 VOA慢速英语2007年(二)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(151) / 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(121) / 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(119) / 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(136) / 评论(0) 分类 世界各地新闻集锦

Topics: The Joy of Cooking by Irma Rombauer; Famous songs: Little Bunny Foo Foo; science of versus knowledge of; good versus not bad Words: cookbook recipe a wide spectrum of cuisine hand motion to scoop up to bop goon poof moral play on words hare s

发表于:2019-01-22 / 阅读(99) / 评论(0) 分类 美语听力 English Cafe

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(164) / 评论(0) 分类 60秒科学

AMERICAN MOSAIC - The Story of How a 1907 Painting by Klimt Just Sold for a Record $135 MillionBy Dana Demange, Sarah Randle and Nancy Stienbach Broadcast: Thu, 6 Jul 2006 16:00:00 UTC HOST: Welcome t

发表于:2019-01-30 / 阅读(103) / 评论(0) 分类 2006年慢速英语(七)月

> 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(105) / 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(91) / 评论(0) 分类 VOA常速英语2007年(十一月)

The lawyer for two Americans jailed in Iran says he needs the signature of one more judge on bail papers before his clients can be released. Masoud Shafiei said Saturday he hopes Iran's judiciary will clear the way for the payment of $1 million bail

发表于:2019-02-18 / 阅读(109) / 评论(0) 分类 英语新闻
学英语单词
aberwind
adrenergic neuroeffector junction
aerial stack
analyzability
arguello, point
astatines
besacolin
bibio
bottom width
bypass procedure
Camellia nitidissima
Camermanite
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canonical schema
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cart way
ciborium
civilta
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daropate
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diopt(r)ometer
dockage
doss
dssp
Dutendorf
E-rosette
eastling, eastlin
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enterprise service
eyeblow
first equation of Maxwell
floating channel
fully connected list
Hadersdorf
hair curler
halide complex
hash method
helix angle tester
herpestes urva
hustle up
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infrayellow
infuser
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josu
Kaesong
laplace probability
lingualis inferior
livia
mama jama
manual interrupt
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Markov model of learning
mcgahan
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morich
mossland
moving original exposure type
mysoline
newly-
notch pin
olistherochromatin
open general license
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Parishville
part-load transhipment station
penrose diagramm
permanent longitudinal magnetism
pleasers
problem-riddens
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repnin
rocking out
root locus angle
Salentine
scotoiolite
Shere Hills
shreddin'
smake
smectic
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thread mill
thrutty
tobiko
Torros
triplex film applicator
truth will out
tube drainage
variable section schottky barrier gate
vena pulmonalis inferior
vesuvine R
Wismar