[化] 氨基己醛糖

By Jordan Davis Dakar 31 December 2006 Senegalese officials say they are investigating the killing of a top politician El-Hadj Oumar Lamine Badji (File photo) in the country's southern Casamance region. Separatist groups in Casamance have waged a tw

发表于:2018-11-29 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(十二月)

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(125) / 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(129) / 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(119) / 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(97) / 评论(0) 分类 Scientific American(四)月

图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 数学英语

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(107) / 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(112) / 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(92) / 评论(0) 分类 Scientific American(九)月

By Barry Wood Washington 27 April 2006 Federal Reserve Chairman Ben Bernanke told the Congressional Joint Economic Committee Thursday that economic data will be particularly important in guiding centr

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 2006年VOA标准英语(四月)

Haiti's First Lady Champions Social Causes Sophia Martelly, the wife of Haiti's new president, Michel Martelly, is juggling the care of four children and a change of lifestyle from when she was simply the wife of a popular musician, her husband's pre

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2011年(十一月)

Former U.S. Vice President Al Gore is in Australia launching a new environmental pressure group made up of scientists and civic and business leaders. Safe Climate Australia demands emergency action to address warming temperatures and has plans to he

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2009年(七月)

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(167) / 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(150) / 评论(0) 分类 经济学人科技系列

Javier: I saw Terry cozying up to you this morning. What was that about? Floriane: He was just offering me some advice on my first proposal. Javier: Sure, he was. What were his true intentions? Floriane: I think he was being upfront about wanting to

发表于:2019-02-07 / 阅读(94) / 评论(0) 分类 地道美语播客

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(126) / 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(108) / 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(89) / 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(364) / 评论(0) 分类 阅读空间
学英语单词
a gleam in someone's eye
andre derains
anticlined
Ashmont
aspirating screen
auditor's consent letter
baby of the family
Barrier Act
bench
bet the farm
biflow
Boulgou
broken colour
calling up of capital
chiro
coherent rotation
concentrated expression
contact sound filter
cornmeal mush
creaseproofing
critical course and depth monitor
Cysticercus cellulosae
D-uped
data carrier failure detector
data set serial number
de-centre
digram encoding
discoasted
double acting bucket
downshift
Eadward
EAGGF
eitam
equal installment system
extorsive
factory inspector
family curculionidaes
fire-smothering steam
fish something out
gaities
gallstone sound
general bathymetric chart of the oceans
genus ateless
glanum
Green Cove Springs
half brightness effect
Hemipiliopsis
ilkla' moor (england)
immunohematology
instantaneous reclosing
international mail
journalism
lens focus
long test run
lorusin
love feast
man-modified
manganese power
Microstigma brachycarpum
miscellaneous revenue account
mispackaged
missing solar neutrino
needle hole
non-linear energy transfer
ntwf
on the arm
one-hundred-year storm
osmotic effect
pallial epithelium
pervigilation
phenol resin adhesive
phosphate rock uncalcined
poling switching
pre-mission
program evaluation and review technique
pyramidal error of prism
resites
rip somebody off
rudkan (rod khan)
Rungwa
seriesparallel
sincheong-ni (omoro-dong)
slow set-back
snotty-nosed
stabilizer setting
strabismus after convulsive seizure
stringy-bark
Subject Matter of Arbitration
Tavas
the reins of government
thermonosus
thymidine kinase
time varying reactivity
tool-using
training programs
twenty-two
UHF Doppler system
vacuum tube millivoltmeter
valency
villus folds
wheezle
white mullet