[医] 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(221) / 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(188) / 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(59) / 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(62) / 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(63) / 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(76) / 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(51) / 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(77) / 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(49) / 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(74) / 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(107) / 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(110) / 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(83) / 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(69) / 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(80) / 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(103) / 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(117) / 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(119) / 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(66) / 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(47) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
all-out effort
ammonia cooler
ampa
appointed member
Arouet
aseptic myocarditis of newborn
assquake
atomweight
bacchanalias
Ban Hai
be roses all the way
Beaujeu
blessed with
Buronzo
canalis carpalis
capsule assembly
Carex wawuensis
cigar-shaped
ciliopagurus strigatus
classification of waste
closing to meeting maneuver
court of common pleas
crossey
crowd-control
cuttlebones
cystosarcoma
degenerative myopia
diatectite
Diebougou
drum magnetic separator
duplex output
eliminate unemployment
empiric(al)
epilating forceps
fermiophobic
fine struction
flash one's eyes at
formate butyl
French Standard
game fishes
genus cairinas
geological structure
HDMI CEC
hearth plate
honours degree
idiolysin
idiopathic detrusor dyssynergia
imperia
inkfish
insatisfactorily
jus pascendi
keyword item
laser printers
man-machine interaction equipment
maximum bit rate
mistion
more replenishing soil moisture reserve
motion planning
motion-pictures
Nal detector
Nervus medianus
non-exclusion
non-linear molecule
nonulcerated
nyy
okwui
open end V-belt
passets
Phichit, Changwat
pick up and delivery service
pinch-faced
polygonometric network
prima donnas
quality bonus
radiation gasdynamics
reexhumation
replacement length
rubber paint
sadhanas
scissor-tailed
seen eye to eye
signal bridge
single-state recycle
slotted screen
snowmobiles
spam act
Spittal of Glenshee
spring of cylinder lubricator plunger
strip-searches
sudden cough
sufflations
supersonic particle sizer
surface of constant pressure
talipes calcaneus
termination and suspersion of contract
theory mapping
unsanctimonious
urnsful
user program status display
webtalk
wtb
xenotime