[网络] 营养细胞;繁殖细胞

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(244) / 评论(0) 分类 新东方背诵文选

It is an unimaginable nightmare, trapped inside your own brain, no way to talk, no way to communicate, written off as nearly dead. For five months, a 23-year-old English woman laid in what her doctors

发表于:2018-12-11 / 阅读(72) / 评论(0) 分类 万花筒2006年

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(81) / 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(82) / 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(103) / 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(103) / 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(102) / 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(181) / 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(129) / 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(104) / 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(92) / 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(119) / 评论(0) 分类 世界各地新闻集锦

Science and Technology 科技 Psychology 心理学 How dead is dead? 怎样死才算死? Sometimes, those who have died seem more alive than those who have not 有时,死人似乎比活人更活。 IN GENERAL, people are pretty good at differenti

发表于:2019-01-26 / 阅读(81) / 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(145) / 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(144) / 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(88) / 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(70) / 评论(0) 分类 VOA常速英语2007年(十一月)

BEIJING, Nov. 10 (Xinhuanet) -- Awareness in three vegetative patients were detected in a portable electrode test, a new study shows. If replicated, the method may change standards in treating such patients. The new study, published online in the jou

发表于:2019-02-02 / 阅读(96) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Psychology 心理学 How dead is dead? 死亡的程度 Sometimes, those who have died seem more alive than those who have not 有时候,已死的人比没死的人更像活人 IN GENERAL, people are pretty good a

发表于:2019-02-16 / 阅读(88) / 评论(0) 分类 经济学人科技系列

Psychology 心理学 How dead is dead? 怎样死才算死? Sometimes, those who have died seem more alive than those who have not 有时,死人似乎比活人更活。 Aug 20th 2011 | from the print edition IN GENERAL, people are pretty good at d

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 经济学人综合
学英语单词
accounting elements
African Timber Organization
agitator nozzle
air shutter shaft
aircraft aerodynamics
aircraft store
allowance for debts
aphthosa stomatitis
Buck's operation
Bulbophyllum albociliatum
centennial wash
chaining arrow
circleround
cobraism
coloboma of iris
complextransformation
critical operation
Crângeni
ctenizidaes
curve correction
Delta Flipper anchor
departmental revenue
double genitive
economic boundaries
farce comedy
file element
foil-type shield
freight traffic accident
French horns
Gallus gallus
gear shaft
goosefeet
gravity drain
grinding sensitivity
Gunnbjarnite
hyperlactatemia
inactuation
indirect emetic
infantile acute hemorrhagic edema of the skin
Inupiaq
isohumes
jack knife bridge
john wilkess
kakapoes
lantern
lateral layer
Leclanche cell
let
limit state design of bridge
lines of zero distortion
logical data transfer
loop table element
low-temperature resistant conveyor belt
makiere
Makokou
mercantile inquiry agency
microscopic section
Miguel de la Borda
neurolysins
nonorthogonal
nonreciprocal observation
oriental arbor-vitae
overall market capacity
overlapping run
oxfoliation corrosion
P'yagina, Mys
partial coherent
path to profitability
pcm system
perale
pimplelike
Populus pekinensis
postmenstrually
precedence ordering
premature-ignition
pretensioned
props master
quantum of world trade
real person fiction
resonance Raman spectroscopy
run a blockade
sensory organ of swim bladder
setal membrane
sex transformation
She Shan
signal-amplifier
Sphaerochitina
statvolts
stray emission
synatan
testing bed
the Ways and Means Committee
thermoplastic material
top mould half
tormenters
tree compass
turbo pump
two-high reversing mill
vertical filing cabinets
well-eyed
yardmasters
yohimbine alkaloid