嫌色细胞

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(301) / 评论(0) 分类 新东方背诵文选

北京奥运28大项 参与,竞争,分享,进步 Synchronized Swimming 花样游泳 英文原文 The events of Synchronized Swimming are Solos, Duets, Teams and Free Combination. Competitors in Synchronized Swimming younger than fifteen (15) years of age (on December

发表于:2018-12-05 / 阅读(208) / 评论(0) 分类 奥运28大项比赛

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(123) / 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(141) / 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(163) / 评论(0) 分类 2017年Scientific American(一)月

北京奥运28大项 参与,竞争,分享,进步 Synchronized Swimming 花样游泳 MUSIC ACCOMPANIMENTS 音乐伴奏 英文原文 The Sound Centre Manager shall be responsible for the securing and properly presenting the accompaniment for each routine. For FINA competiti

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 奥运28大项比赛

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(152) / 评论(0) 分类 原版英语小短文

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(250) / 评论(0) 分类 英语语法 Grammar Girl

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(181) / 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(246) / 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(194) / 评论(0) 分类 2011年VOA慢速英语(二)月

Every year around Christmas, Stockbridge, a small town in western Massachusetts, puts on a display unlike any other in the US. The celebrated American artist Norman Rockwell, who passed away some 30 years ago, used the New England town as the setting

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 VOA标准英语2009年(十二月)

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 VOA标准英语2010年(九)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(152) / 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(154) / 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(167) / 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(193) / 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(204) / 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(139) / 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(127) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
accumulation value
Actiniaria
Anglical
ankle strap
areial mycelium
ass-hole
at any risk
Baltar
Belisha beacons
Billesdon
bioderived
ceropria induta
CMMA
codium fragile
conjugated bond
copy negative
cortiphyron
crainte
dead-time element
double pleurisy
double-mode cyclotron
elvehjem
employee turnover
error by good faith
extra-fill
extraction packed column
fan page
feedback discipline
foodprint
gauge invariance
genus phylliums
gladstone
gpals
grain - size distribution
grapnel traveling crane
gunnellichthys curiosus
hedonists
heliophotography
imbue
impatiens davidii franch.
in the list
indexed mode
insolvent laws
Internet counseling
La Crucita
limbus spiralis
local equilibrium theory
Maurier
mercurialized sera
mesogean sea
moldweorp
mulberry yellow awarf
negotiable instruments drawn in sets
nictitates
non fission neutron capture
nonsorted polygon
nuclear mine
oligomerisation
one and a half breaker scheme
operand sum
periodicities
phaseisolated busbar
photosensitizing pigment
processing speed
prong-horned
protection measure
purchaseless
qualitative uncertainty
Rami capsulae internae
real-time concurrency operation
recoil line
reserve ratio requirement
ridgepoles
sapphirelike
satguru
scaling chip
secondary flow afterburning
Sendim
sequential unconstrained minimization technique
serial rights
sexual union
shipment to branch office
sinusoide
solid state microwave amplifier
spinal nucleus of the bulbocavernosus (snb)
Staryy Kistrus
sumti
supramaximal
them.
thermoluminescence curve
triconodonts
triple-cylinder gasket
Truphylline
typomorphic element
up-draft boiler
wandering waltz contra
wauve
wave theory
whitewashers
yankee's lifter
Zanthoxylum esquirolii
Zanthoxylum rhombifoliolatum