[医] 边缘细胞

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(336) / 评论(0) 分类 新东方背诵文选

Friday June 28th, 2013. Welcome to the Beijing Hour, coming to you live from the Chinese capital. Coming up on our program this evening. South Korean president calls for closer business ties with China. Egypt braces for mass rival protests ahead of M

发表于:2018-12-02 / 阅读(154) / 评论(0) 分类 The Beijing Hour 新闻纵贯线

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(170) / 评论(0) 分类 VOA标准英语2010年(十一)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(175) / 评论(0) 分类 原版英语小短文

By Sonja Pace Diyarbakir, Turkey 01 November 2007 Turkey has just hosted an international conference on how best to stabilize Iraq despite being on an increasingly poor footing with its eastern neighbor. Ankara accuses Iraq of sheltering separatist K

发表于:2019-01-07 / 阅读(164) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(222) / 评论(0) 分类 英语小短文

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(213) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Challiss McDonough Cairo 23 January 2008 Residents of the Gaza Strip have flooded across the border into Egypt to stock up on food and other supplies after militants blew a huge hole in the border barricade, eventually opening the wall completely.

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 VOA标准英语2008年(一月)

'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(176) / 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(179) / 评论(0) 分类 VOA标准英语2013年(七月)

By Chad Bouchard Mae Sot, Thailand 03 October 2007 Communities along Thailand's border with Burma are closely watching for signs of a new wave of refugees following violence in Rangoon over the past week. As Chad Bouchard reports from the Thai border

发表于:2019-01-16 / 阅读(242) / 评论(0) 分类 2007年VOA常速英语(十月)

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(197) / 评论(0) 分类 世界各地新闻集锦

By Nico Colombant Dakar 06 March 2008 A deadly incident in the border region between Chad and Sudan in which a French soldier was apparently killed is highlighting the challenges of peacekeeping in the refugee-flooded, violence-wracked region. VOA's

发表于:2019-01-20 / 阅读(184) / 评论(0) 分类 VOA标准英语2008年(三月)

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(221) / 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(246) / 评论(0) 分类 科技之光

Greg Flakus The U.S. Border Patrol is implementing a new initiative on the Mexico border with the state of Arizona called simply

发表于:2019-01-30 / 阅读(227) / 评论(0) 分类 VOA2004(上)--国际时事

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(164) / 评论(0) 分类 健康与经济

US Officials Announce Tighter Border Security in Iraq Laurie Kassman U.S. administrator in Iraq Paul Bremer says border security will be tightened following Tuesday's terror attacks on Shi'ite worship

发表于:2019-01-31 / 阅读(216) / 评论(0) 分类 VOA2004(上)--各类新闻

By Greg Flakus Houston 16 October 2007 Mayors of several Texas towns on or near the US border with Mexico are filing legal actions to stop the federal government from building a planned security fence to deter illegal immigrants and drug smugglers. A

发表于:2019-01-31 / 阅读(217) / 评论(0) 分类 2007年VOA常速英语(十月)

By Sonja Pace Habur Crossing, on the Turkey-Iraq Border 06 November 2007 Tensions again loom along the Turkey-Iraq border with a Turkish military incursion into northern Iraq and economic sanctions still a possibility despite diplomatic efforts to ca

发表于:2019-02-04 / 阅读(179) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
acetylhydroperozide
aerial prospecting
anti-wedge ring
augmentation of variability
Baker Lake
Blajeni
bliss point
burn index
captive-breds
carboxymethylcellulose
changin'
chop back
citraconic anhydride
clerid beetle
collapsed
counterthesis
cryptopsychism
cytoablation
daggone
data quality control
de Broglie waves
deformable
depository receipt (dr)
device control 3
didikai
doddridges
duplex power feed type motor
endocoid
English pale
epigenetic geochemical anomaly
firewatchers
flexible multi-body system
gabbiano
glycoallergens
golly-gee
Gondelsheim
goonda
griseococcin
heptyl ether
high-stepped
historic area
Holtgast
hybrid relay
incipient crack
industrial cycle
internal friction
janitor's room
jecorin
jollux
Kasumigaura
Kwikluak Passage
Kāmoke
leaky protein
Lex Loci Delicti
lithium fluoride thermoluminescence dosimeter
lubrano
Mark Clark
meiofaunal
mermithids
microphot0meter
movable hinge support
multi-arm robot
myotonias
Nauders
no-parallax viewfinder
nomero
nonextended logical address space
official petitioner
operating policy
Perry Matthew Calbraith
physarum stellatum
plunger core machine
positioning disc
post-era
powder photograph
range coverage
raptery
reticular formation of brainstem
Sejen
Shel'tinga
six-phase connection
sizing device
skill craft
small field radiometer
snugness
sorance
spearfished
straight point scriber
subsequent condition
suction flap
Suffolk County
tentacled
thienamycins
TOVC
transcription turntable
uncoalesced
underwater cutting process
unit package cable joint
wake structure
Wellington boots
white hogs
XY-type