3'-氨基-3'-脱氧腺苷

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(153) / 评论(0) 分类 经济学人科技系列

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(155) / 评论(0) 分类 经济学人科技系列

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(四)月

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

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85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

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发表于:2019-01-03 / 阅读(142) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(十)月

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(九)月

If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? 如果将你大脑里所有的水分都吸干,然后按不同的营养成分进行分类,会是怎样呢? Mos

发表于:2019-01-17 / 阅读(159) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(196) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(177) / 评论(0) 分类 经济学人科技系列

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

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By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(192) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(169) / 评论(0) 分类 英语博客 A cup of English

All Quiet on the Western Front by Erich Maria Remarque Suddenly Kemmerich groans and begins to gurgle. I jump up, stumble outside and demand: Where is the doctor? Where is the doctor? As I catch sight of the white apron I seize hold of it: Come quick

发表于:2019-02-16 / 阅读(625) / 评论(0) 分类 有声英语文学名著

There are actually twenty-two naturally occurring amino acids known on Earth, 实际上,地救上有22种天然存在的氨基酸, and more may await discovery, but only twenty of them are necessary to produce us and most other living things. 更多

发表于:2019-02-17 / 阅读(172) / 评论(0) 分类 万物简史

19 The Rise Of Life 第十九章 生命的起源 In 1953, Stanley Miller, a graduate student at the University of Chicago, took two flasksone containing a little water to represent a primeval ocean, 1953年,芝加哥大学的研究生斯坦利米勒拿

发表于:2019-02-17 / 阅读(137) / 评论(0) 分类 万物简史

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起,就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(118) / 评论(0) 分类 万物简史

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说,每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(389) / 评论(0) 分类 阅读空间
学英语单词
4-Nitrophthalonitrile
abiogeny
adopter
an umbrella barrage
analogue result
annual pasture grass
anti-freezing
antihistamines
attentional
Baramycin
base of mast mechanism
blocking signal
bojites
bommie
Breiholz
brouillard
calligraffiti
cathkinite
clunkers
color degree of freedom
combination service
common routine
compensate coils
compressed
concrete representations
Coniocarpineae
Dambaslar
dance bands
DC tacho-generator
dinucleosomes
down-feed system
downhill transport
eddy size
effervescent salts
engine control room control console
Equus
evaluation copies
expected delay
export formality
fall out with
female friction cone
fibrous-network structure
first - aid kit
gaseous propellant engine
grasstops lobby
green alum
high temperature heating
honoring
house generating set
hydraulically actuated wet multiplate clutch
ideal gas model
indebting
internal reflux control
iridomyrmex anceps
laterorostrally
luffa-seed oil
Medinilla rubicunda
method of backward intersection
misobserved
moral minimum theory
multilayer switch
muskellunge
NAND (not and)
netblocks
nominal group technique
Nutsch filter
oil-tube drill
old-tech
olde-worldes
on the lip of
Philokalia
plastic state
programmed load control
random house
reimbursable loan
riparian biota
scorched
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seep zone
serial plate camera
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shift register graph
social-dies
spackled
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stunde
TDIG
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time limit of a contract
tolerance for aberration
toppenish
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transmetallates
turbogrid plates
Ungwatiri
upper value closing contact
v-note
wingert