成血管细胞

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(225) / 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(66) / 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(65) / 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(83) / 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(88) / 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(83) / 评论(0) 分类 英语小短文

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(255) / 评论(0) 分类 北师大版高中英语模块7(选修)

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(159) / 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(107) / 评论(0) 分类 2007年VOA标准英语(三月)

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(111) / 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(89) / 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(73) / 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(107) / 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(123) / 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(131) / 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(73) / 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(55) / 评论(0) 分类 VOA常速英语2007年(十一月)

It's 365 days, 12 paychecks and one birthday. 一年有365天,发12次薪水,过一次生日。 But did you know in this time your body will produce enough urine to fill two bathtubs? 但你知道这段时间你的身体会产生足够的尿液来填

发表于:2019-02-01 / 阅读(88) / 评论(0) 分类 阅读空间

劳模麻辣鸡Nicki Minaj新mv《Va Va Voom》童话来袭 劳模麻辣鸡新mv《Va Va Voom》超清首播!虽说这出MV的速度快到风中凌乱,但MV拍得很梦幻,麻辣鸡百变造型出镜,这么多童话剧情看出了几个? 歌词: Ju

发表于:2019-02-03 / 阅读(123) / 评论(0) 分类 经典英文歌曲

1) go on vacay 去度假 2) take a road trip 自驾游 3) weekend getaway 周末旅行 如果有一场说走就走的旅行,你最想和谁一起上路呢?

发表于:2019-02-04 / 阅读(135) / 评论(0) 分类 OMG美语
学英语单词
above upthrow cam
aerodynamic phenomenon
Alston
anilinum coeruleum
background genotype
beat someone black and blue
bladder cutter
block contains
bonita
cancel title
ceiling capacity
centrisms
chaip
check-fraud
chemical
Chiede
chromo-optometer
coaxial resonant cavity
contiguous interrupt
convallariaceaes
data cube
deforester
dial-in interactive connections
difinite bud
discharge coefficient of flow nozzle
domeniconi
dry market
duty-men
each or every round voyage
envelope curves
Farra d'Alpago
file and record locking
flank organ
fuel bundle critical power
gigabit per second
Gregory John Norman
grounding insulation
gussets
h.m.s
hellacious
hereditary acropoikiloderma
hypothalamic-pituitary axis
hypothalamo-adenohypophyseal system
ill trun
in job lots
included wage
inlet guide vane adjustment
inorganic rubber
insulated static wire
interofection
inverse ackermann function
latifoliums
Linde process
liquid nitrogen immersion
magnetic permeability
marching test
maritime radio navigation land station
maternity clothes
matrix of independent variables
maxi
microlichens
multioperand
mycologists
Nasturtium officinale R. Br.
Newtonian speed of sound
nitrolignin
occultation of satellites
otherish
Oxygraphis glacialis
phosphate buffer system
plexus Leber's
pontoon train
print-out
Que Phong
rail capacity
raw iron plug bolt anchor
reaction thermody-namics
rerun bottoms
Roodeschool
ruas
run circles round
Scabiosa austroaltaica
selective channel
side-cut stripper
sirrus
specified percentage decarburation
stairstep cost
sub-dimensions
sullows
syn-acthar
system testing
systemic circulations
tractus spinalis nervi vestibuli
unforked
unhopefuls
unstalling
unstintings
upingtons
wire-worker
writing function definition
Zibeon