[机] 氨基二苯氨

Congressional leaders are reporting progress today in talks aimed at fashioning a bailout of the country's financial markets. NPR's Debbie Elliott has more. Negotiations jump-started after House Republicans joined the talks. Minority Leader John Boe

发表于:2018-12-02 / 阅读(81) / 评论(0) 分类 2008年NPR美国国家公共电台九月

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(74) / 评论(0) 分类 经济学人科技系列

书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica

发表于:2018-12-12 / 阅读(105) / 评论(0) 分类 医学英语

This is the VOA Special English Agriculture Report. Melamine is an industrial chemical. So how and why did it get into pet food that caused kidney failure in cats and dogs? And what might be the risk to the human food supply? These are questions tha

发表于:2018-12-15 / 阅读(65) / 评论(0) 分类 VOA慢速英语2007年(四)月

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(85) / 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(65) / 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(143) / 评论(0) 分类 科技之光

发表于:2019-01-03 / 阅读(64) / 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(81) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(三)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(54) / 评论(0) 分类 Scientific American(九)月

高考英语作文开头技巧大集合 一篇文章通常可分为三个部分,即开头、正文和结尾。这三个部分安排是否得体,直接影响到文章的质量。 文章的开头一般来说应尽量做到开门见山,用简单明白

发表于:2019-01-17 / 阅读(150) / 评论(0) 分类 英语作文

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(89) / 评论(0) 分类 世界各地新闻集锦

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(128) / 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(107) / 评论(0) 分类 经济学人科技系列

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(82) / 评论(0) 分类 英闻天下

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(70) / 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(47) / 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(322) / 评论(0) 分类 阅读空间

日本名护市市长开始竞选 TOKYO, Jan. 12 (Xinhua) -- Candidates started their official campaign on Sunday to compete for the mayor of Nago, an election which may affect the relocation of a U.S. military base in Okinawa. It will be a race betw

发表于:2019-02-19 / 阅读(87) / 评论(0) 分类 英语新闻
学英语单词
absorption cells
alkeno-derivatives
allergy diet
amlodipine besylate
Anadyomenaceae
angioradiographic system
avosentan
benzo chrome brown g
boastest
Bremen blue
buckrake hay stacker
bupkus
bursatti
cesarevitches
Champigny-sur-Veude
clydesdale
coast guarders
condensation
copper amalgam
cosmography
course per gyro compass
covered clamp
crankshaft key
curbing inflation
curculigoside
Dharmavamsa
dihydroxide
diinsoor (dinsor)
director-general of fair trading
disapproves
displacement comparison
dodecamers
econoes
electric vacum cleaner
ellsworth
embarkers
extravagations
fiservs
g.d
generating unit tripping
germanitrine
gravitational forces
headfold
holist view of nature
hypovolemia
Icteria virens
industrial and commercial fund
input interface adapter
ion-exchange concentration
isopentyls
joint cross
kinked rail
know-that
light filler
lingered over
load on axle
low sided wagon
malingeror
manual automatic
mathie
mental trauma
Mintezol
mogil
negative capacitance amplifier
nonconjugated diene
odontanthias chrysostictus
oil permit
one-thirty-seconds
oophorosalpingitis
oscar ii
pedophagy
Perls' bodies
phototachymeters
physical output device
piston mass loading
plead the cause for
postconsumer
rated data test
reason for interrupt
reeled paper
reflex irritation
Royal Opera House
security criterion
semi-automatic master fixture
Semper's cell
sewage farming
short-circuit breaking
slezak
small company
structure of the soil itself
super-emitron
SYMPATHICS
tendriled
thermophilic bacterial protease
triebelina lata
tubular turbine
tuning-fork type
Unfla
uprating
vigils
wage-book
wheat black chaff