音标:['siŋɡl'sel] ;
单细胞蛋白质

Sneezing, coughing, and sniffing. Welcome to winter and the common cold virus, a cure for which has eluded for years. But now a major breakthrough by scientists in Cambridge University brings that cure a step closer, as they've discovered a new way t

发表于:2018-12-11 / 阅读(102) / 评论(0) 分类 万花筒2010年

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A new development in malaria: Plasmodium vivax, the worlds most common malaria parasite, now infects people previously considered to be resistant. Peter Zimmerman from Cas

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute Secret identities aren't just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it bi

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 Scientific American(七)月

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 2017年Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(九)月

What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i

发表于:2018-12-31 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-02 / 阅读(215) / 评论(0) 分类 60秒科学

HEALTH REPORT - Scientists Develop Stem Cells Without Loss of EmbryosBy Caty Weaver Broadcast: Wednesday, August 30, 2006 This is the VOA Special English Health Report. Researchers say they have found

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 2006年慢速英语(八)月

补充: CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. Imagine tweezers so fine that you could reach right into a cell and manipulate individual molecules. MIT researchers have created such a tweezer, using

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(七)月

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(五)月

the saving grace 可取之处 英文释义 A single positive quality or benefit that redeemssomething with numerous negative qualities andno other benefits. 例句 My new job is difficult, pays poorly, and demands that I work far too much, but the sa

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 每日商务英语

Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2012年(一月)

听力部分 Dictation: Please prepare your paper and pen. ______ knows ___ and ____ the ________ _______ _______________________ of ______. But ________ people were __________________. Today _________________________that ________________________ is,

发表于:2019-01-14 / 阅读(96) / 评论(0) 分类 王强口语 第二册

a butterfly with glowing eyes Believe it or not, Monteiro and her team insert ed a new gene into the butterflys genetic sequenceone taken from a jellyfish . No, I know you're fooling. Actually I'm not. This gene codes for a green florescent protein t

发表于:2019-01-26 / 阅读(97) / 评论(0) 分类 英语听力文摘 English Digest

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(227) / 评论(0) 分类 60秒科学

SCIENCE REPORT – January 23, 2002: Aging Protein By Jerilyn Watson This is the VOA Special English Science Report. A new study suggests that a protein that protects animals from cancer early in life

发表于:2019-01-30 / 阅读(185) / 评论(0) 分类 科技之光

Low-salt,low-protein diet can prevent kidney stonesA diet low in salt and meat can dramatically reduce the risk of kidney stones,according to an Italian study that could spell the end for the low-calcium diet that doctors have been recommen

发表于:2019-01-31 / 阅读(151) / 评论(0) 分类 阅读空间

By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk

发表于:2019-02-03 / 阅读(117) / 评论(0) 分类 VOA常速英语2008年(四月)

But those are dots on a screen for you; what exactly does that mean? 但是那些你们看起来是屏幕上的点;到底有什么意义呢? Well basically that means that this protein is changing from the sensitive cell to the resistant cell. 基本

发表于:2019-02-21 / 阅读(105) / 评论(0) 分类 TED演讲教育篇
学英语单词
'od
abietolic acid
Adams McGill Reservoir
adiemorrhysis
afoam
airtightly
annular engine
apurimac
argument-form
arteria epigastrica superior
Australia and New Zealand Bank
Beaudouin's reagent
bell rod
best selected copper
bills of quantities
bonabeau
Bonaguiro
Boucaut B.
bremsstrahlung-produced pairs
CFA Institute
Chrmolase
circle cartogram
classical error theory
cliffs
compression cap
contrition
convolutional coder
crepidomanes latealatum
cupreine
database key comparison
devanningreport
distribute to
electrofishes
elementary user
ergatocracy
Eustachian
exponential smooth transition model
faithfulness
food canal
gammacross
gape seed
getaway sticks
gets on my nerves
head tilt
hellem
hydrophiine
hyper-reality
in full strength
intermediate uranium fluoride
iodine-induced hyperthyroidism
jammr finder
jelly blubber
kravchuks
labor productivity
law of long-run relation
lightning counter
low-complexity
lug link
lushoto
lysogenized state
magno-therapy
mango juices
manscapes
mariche
melody section
mesembrius niveiceps
micromixers
nonsteroidals
nuclear clubs
of mark
onychoprion fuscata nubilasa
par regime
particle eletrophoresis
pcdd
petroleum benzene
plausibly
port hand danger beacon
radipraxy
radius of flute of tooth
re-engagement
real interest
retrode
revolving magnetic field
ring course
ruthenium dioxide
sanguineo-
seigneurial
selectas
shell bearing boring machine
Silentsaleman
soot blower
steam space detector
sustainments
sweet broom weed
take a wrong turn at Albuquerque
thyristor bridge
tooth doctors
Turkish geranium oil
ultimate resources
unmechanized hump yard equipment
volcanic graben
wedding ring