尾形上皮细胞

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(326) / 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(160) / 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(167) / 评论(0) 分类 VOA标准英语2010年(十一)月

Now, the idea is not as crazy as it sounds. 其实,这个想法并不像听起来那么恐怖。 I started a contest four years ago called Dance Your Ph.D. Instead of explaining their research with words, scientists have to explain it with dance. 四

发表于:2018-12-19 / 阅读(150) / 评论(0) 分类 TED演讲教育篇

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(196) / 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(169) / 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(217) / 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(268) / 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(203) / 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(211) / 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(173) / 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(176) / 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(193) / 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(219) / 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(237) / 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(162) / 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(146) / 评论(0) 分类 VOA常速英语2007年(十一月)

伤口护理 wound management 伤口 wound 一、伤口的性质 Nature of Wound Bed 1、 健康肉芽形成 healthy granulation 2、 上皮形成 epithelialisation 3、 腐肉 slough 4、 黑色或棕色坏死组织 black/brown necrotic tissue 5、 其他(具体说明) specify 二、渗出液 Exu

发表于:2019-02-03 / 阅读(172) / 评论(0) 分类 英文语法词汇

Hi. My name's Jessica and I'm an artist. And today we're going to sketch a cat. So take your pencil or a pen or whatever you have and just start to draw your shape. So, you've got the round top for the head, a couple of little triangles for ears, and

发表于:2019-02-03 / 阅读(145) / 评论(0) 分类 英语万花筒

LESSON 21 第21课 creatures 生物 drones 无人驾驶飞机 inside 里面 hive 蜂房 idle 空闲 defense 防御 driven 驱动 killed 杀 cells 细胞 size 寸 workers 工人 queen 女王 stings 蛰伤 shape 形状 wax 蜡 THE BEE 蜜 蜂 Bees live

发表于:2019-02-11 / 阅读(133) / 评论(0) 分类 美国语文第二册
学英语单词
adjustable thrust bearing
ajudged
allocation of investment
allochronic
artifcial wool
Balmer formula
bathing machine
Bayes machine
bending resistance
bent beam ionization gauge
bilateral segmentation
black peas
brain bank
buckwheat families
chokeinput
common pitch
condensing water pump
condition and exceptions
corticosterone
dorkified
eccentric pump
elastic membranes
eucalyptus maculata citriodoras
feed hopper magazine
ferrocoke
fibrecraft
field enumeration
frozen mercury process
gohar
good-weathers
have an appointment at
have someone at one's mercy
helminthosporium siccans drechsler
Horizontal Cross-Connect
HS-PDSCH
individual testing
john lennons
Journal of Nutrition
justen
knackwursts
knaidels
leave sth out of account
ledas
level totalizer
line keystone correction
Lorenzo dressing
magnetic paint
matchgirl
Miss Molly
mixer circuit
Monach Is.
narod
Neelys Landing
new red sandstone
nicola
non-specific T-cell suppressor factor
objectively attractive
oleanoside
once-fired ware
out-active
oxidized milk
packet filtering
paired frequencies
paulissen
phenoxybutyl penicillin
photomagnetic memory
plough-in
Potrerillo, P.de
preheating evaporator
premature fuze action
preventive maintenance management
propagurus miyakei
pueblo bonito
pulling plug
radiation resistant material
right anterior oblique position
roller rock arm
rotor timing gears
sea gown
seamless
skylight hood
Sourdille operation
special bill
special function of hypergeometric type
spot test analysis
tarabuluss
tatol evapotranspiration
the opposite number
threaten the existence of
three-courses
three-deck washing classifier
torina
train crew room
transfer data
transoceanic aircraft
transport flight
tropic pigeonwings
ultrasonic detector for density of mixed fuel
under water setting coating
untrowing
voker
wheel in