[医] 平滑肌纤维细胞, 可收缩纤维细胞

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(327) / 评论(0) 分类 新东方背诵文选

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. VOICE TWO: And I'm Mario Ritter. Today, we will tell about the two thousand nine Nobel Prizes for discoveries in science. We also will tell about progress against acqui

发表于:2018-12-15 / 阅读(285) / 评论(0) 分类 VOA慢速英语2009年(十二)月

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(161) / 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(168) / 评论(0) 分类 VOA标准英语2010年(十一)月

Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 2016年Scientific American(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(196) / 评论(0) 分类 2017年Scientific American(一)月

Unit 52 Dietary Changes That Will Lower Your Cancer Risk Some foods actually contribute to the development of cancer; other foods lessen the risk. The following anti-cancer diet greatly lowers your risk of colorectal cancer and nearly all other types

发表于:2018-12-30 / 阅读(146) / 评论(0) 分类 英语流行话题阅读:语境识词4500

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(170) / 评论(0) 分类 原版英语小短文

In the space that used to house one transistor, we can now fit one billion. 在以前,可以放置一个晶体管的空间,现在可以放10亿个。 That made it so that a computer the size of an entire room now fits in your pocket. 这导致曾经

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 TED演讲科学篇

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(218) / 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(212) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Melinda Smith Washington 18 July 2007 We are going to find out about two studies on breast cancer. One studied whether a diet very high in fiber and low in fat could reduce the risk of recurring breast cancer. Another study focused on women with a

发表于:2019-01-12 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(七月)

'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(175) / 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(177) / 评论(0) 分类 VOA标准英语2013年(七月)

RACHEL MARTIN, HOST: The Food and Drug Administration is set to decide soon on a matter that could help you rethink fiber. Yeah, we're talking about fiber. We're told to eat a whole lot more of it. It's good for us, right? But what exactly counts as

发表于:2019-01-16 / 阅读(189) / 评论(0) 分类 2017年NPR美国国家公共电台10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(194) / 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(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(241) / 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(164) / 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)
学英语单词
alopecia serpiginosa
alum sludge
Americaphobes
anionogenic element
antijamming blanking
apologizin'
appear for
argon laser therapeutic machine
atheoretically
blind-man-buff
bone remodeling
bus semi-trailer
camardella
capital growth share
changeover governor
changing locomotive
circuit media
CNST
coating powder
combinatorial optimization
contract of hazard
conveyer crusher
copenhagen interpretation
core mat
cultural sovereignty
dejectures
density interferometer
Diapitan B.
direction of strata
Doges' Palace
drilling string
dust bin
endoscopic lithotripsy
Ensete
environmental mathematics
exhaust-loss
fair trade price
field-conventicle
frequency attenuation
frosh
fungosa arthritis
geldart
glenz
glycinate
goyer
Grimari
had much in common
infective stricture of rectum
Institute of Export
international forwarding agent
Kecimeton
kinesiphony
leman (mediaeval england)
lifter slide
Malimba
minicircular
modersohn-becker
national good quality product
nildes
nonprotagonists
one-drop
optimum switching function
overcast sky
Pantagruel
pheumatometry
plain-milling
purplish
pyenylacetaldehyde
rack and pinion
raisinlike
reentrant control state
rhizobiotoxine
risk-sharing principle
ROI return on investment
Rottondin
ruin pub
salame
Schuhplattler
sexual-misconduct
short-circuit characteristic curve
sinicising
spouse renal transplantation
standard isobaric surface
swirl air register
symbol(in the instruction handbook)
tailing chute
teaching-oriented
tent stitch
terminal vocabulary
the principal
the sagger makers
Tientsin
transferred sensations
transportabilities
Traypak
triangular matrices
unununium
us joy
valmet
valvulae pylori
verify quantity of the goods
weld seam pipe