3-硝-4-胺茴香醚;3-硝-4-胺苯基甲基醚

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(89) / 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(93) / 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(70) / 评论(0) 分类 Scientific American(四)月

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

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 科技之光

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(326) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(320) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(58) / 评论(0) 分类 Scientific American(九)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 英语对接游戏

If only you could see the tears In the world you left behind If only you could heal my heart Just one more time Even when I close my eyes There's an image of your face And once again I come to realise You're a loss I can't replace Soledad It's a keep

发表于:2019-01-10 / 阅读(72) / 评论(0) 分类 好听的英文歌曲

好听英文歌曲:Soledad--westlife(紫藤花英文版) if only you could see the tears in the world you left behind if only you could hear my heart just one more time even when i close my eyes there's an image of your face and once again i co

发表于:2019-01-10 / 阅读(114) / 评论(0) 分类 欧美绝对经典 U2

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(138) / 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(117) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(110) / 评论(0) 分类 健康与经济

Soledad 这是收录在WestLife第2张专辑《Coast To Coast》里 soledad 1.是一个女孩的名字 2. 是西班牙语孤单的意思 If only you could see the tears In the world you left behind If only you could heal my heart Just one more time E

发表于:2019-02-05 / 阅读(107) / 评论(0) 分类 好听的英文歌曲

孤独,自从你走那天,我的悲伤没有止尽,为何要离我而去,你是我心中的唯一...几个男孩用唯美的嗓音把这首歌演绎得深情动人。与西城男孩一些红极一时的金曲不同,《Soledad》没有大红大紫过,也没有在各个电台泛滥过,但它能为听到这首歌的人带来一次感动。 Soledad by

发表于:2019-02-05 / 阅读(158) / 评论(0) 分类 音乐咖啡厅

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(74) / 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(52) / 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(331) / 评论(0) 分类 阅读空间

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(89) / 评论(0) 分类 听播客学英语
学英语单词
5 pillars
abnormal fixation
airoven
allium sativums
Altamira, Sa.de
amplified spontaneous emission
application for prospecting
back hand
basic vibration mode
be greedy for gain
biofoulings
block cutting
boomsayers
bypass control
Callitriche peploides
cam gear
candida-sake
central processing unit operation
chain indicator
CHINADDN,CHINA DDN
closed in spaces
coefficient of radial distortion
combat food
daphne (dhafni)
DC electromotive force
demilune
dermatitises
efferent nerves
electric-powereds
epitheliolysis
epitympanic
expected value of sample information
FAQ fair average quality
Farley maidenhair
farm machines
fibre concentrator
financial regulation
flyswat(ter)
Gaffkya
galvanized angle steel
gens du monde
heathenization
hide behind
highest-resolution
historical coenogeography
immature spirits
immunosuppressive virus
industrial customer
instantanous center
irresuscitably
isobutyramide
lagging circuit
Lauje
law of periodic development
leifheit
lever arm principle
lighting vehicle
Lobeton
love team
mardia
metazoic
nonagesime
nose gear well looking forward
OEG
orbital magnetic moment
outer shield
patrolperson
peddlery
pericystium
permanently discontinued business
plant quarantine
polymer crystal
polytopic(mayr 1963)
port of anchorage
preemptive construct
production figures
production-oriented diversification
punchier
real - time visibility
remelting process
roller sizing machine
shiatsu
shrunken raster
sizzlings
staphyline glands
stony-hard
strangle option
subch.
tap-shoe
thecaspore
thomson
three-chord
tongue color
unbutted
unit feedback
urinary incontinence
vane variable capacitor
viburnum formosanum hay.
virescences
water treatment biocide
well-digested
well-respected