非硷性染色体蛋白质

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是,如果一对氨基酸的一个侧链折叠后很长,

发表于:2018-12-05 / 阅读(96) / 评论(0) 分类 经济学人科技系列

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(75) / 评论(0) 分类 TED演讲教育篇

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(一)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(65) / 评论(0) 分类 Scientific American(九)月

As a matter of fact, milk always meets in the stomach a digestive juice which curdles it; the curdling of the milk is the first step in its digestion. A similar wrong idea is that fish and ice cream w

发表于:2018-12-30 / 阅读(63) / 评论(0) 分类 自考英语(一)78讲

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(五)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(十)月

Birth Defects Rise in Former Iraqi Battleground Five-year-old Lujane is one of hundreds of children in Fallujah who have been born since 2004 with severe birth defects. Her father says Lujane suffers from multiple afflictions that Iraqi doctors strug

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2012年(十二月)

It's so obvious that it's practically proverbial. You can't unboil an egg. 很明显又众所周知的是。你不能把一个熟蛋变生。 Well, it turns out you can, sort of. 然而,其实在某种程度上你是可以的。 What thermal energy

发表于:2019-01-17 / 阅读(70) / 评论(0) 分类 TED演讲教育篇

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

发表于:2019-01-22 / 阅读(152) / 评论(0) 分类 科技之光

By Douglas Bakshian Manila 06 May 2008 A new report says the lives of millions of young children could be saved each year if basic medical care and medicine are made available to the poor. Douglas Bakshian has more from Manila. The report by the U.S.

发表于:2019-02-05 / 阅读(123) / 评论(0) 分类 VOA标准英语2008年(五月)

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(63) / 评论(0) 分类 英语新闻

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(72) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(120) / 评论(0) 分类 英语新闻

I want you to imagine two couples 我希望大家设想一下,两对夫妇 in the middle of 1979 在1979年的年中 on the exact same day, at the exact same moment, 在相同的一天,相同的时刻 each conceiving a baby -- okay? 每对怀上了

发表于:2019-02-13 / 阅读(81) / 评论(0) 分类 TED演讲教育篇

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

发表于:2019-02-14 / 阅读(151) / 评论(0) 分类 阅读空间

He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变,这些消化酶的作

发表于:2019-02-16 / 阅读(85) / 评论(0) 分类 经济学人科技系列
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accumlator jump instruction
adhesive bonding
advanced green
anorthoscopes
axisymmetric body
azarian
begalling
Benoit
bicuspid aortic valve
bighead disease (sheep) (of sheep)
binomial trials
bumpers
calciprivus
Californiate
carryover loss
chimpanzoid
ciner-
circuit impedance
coking stoker
commonalties
complex amplitude transmittance function
creamed spinach
Crugny
cut-ups
definite thing
diagenetic stage
dingot metal
direct-coupled exciter
Dubbs cracking process
ebullioscopes
electropherotype
empirical formulas
field lacrosse
finishing bay
flat four
florigenic
foul
genyantritis
Hasseibalch's equation
hinkypunk
hockey
homefelt
hormone like factors
i-boren
ice machines
inflation process
information consultant
interlune
jig frequency
lamines
law of excluded middle
loose hemp fiber
mandrel diameter
modified conical projection
monitress
mottelson
myrrh oil
naphuride
one or other
onl
ordinary tender
overlubrication
phase-jump
plaqueform dermal fibroma
platylepas hexastylos
pole-cat
pop - up window
powder process
provencals
proximate causes
prune products
punctuationalism
redback voles
reflux reflextonus
rescue control center
rubber valve seat
running-in bowsprit
scaffoldage
scale conversion
second twist
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shexts
sleeches
slow cooker
solanocyte
Takuu I.
tape operating system (tos)
term syntax
Testoject
tirgu secuiesc
Toul faience
Toxotai
transterification
triple sulfas
ultimate bearing stress
unavoidables
universities of california at berkeley
Urukthapel
Woundfin
yeilding ground
zinc methide
zirconyl sulfide