氨乙基异硫脲,抗利痛,克脑迷

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(214) / 评论(0) 分类 经济学人科技系列

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(252) / 评论(0) 分类 2014年VOA慢速英语(五)月

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(268) / 评论(0) 分类 VOA标准英语2008年(八月)

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(218) / 评论(0) 分类 VOA双语新闻 2014年1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(217) / 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(195) / 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(288) / 评论(0) 分类 科技之光

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 医务英语

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(286) / 评论(0) 分类 2006年VOA标准英语(五月)

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(230) / 评论(0) 分类 VOA标准英语2014年(一月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(266) / 评论(0) 分类 2017年NPR美国国家公共电台1月

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(188) / 评论(0) 分类 白领英语晨读

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(335) / 评论(0) 分类 2006年VOA标准英语(九月)

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(262) / 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(231) / 评论(0) 分类 经济学人科技系列

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(208) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(222) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(228) / 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(458) / 评论(0) 分类 阅读空间

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(247) / 评论(0) 分类 TED演讲教育篇
学英语单词
adenoid(al)degeneration(virus)
adinkra
agglomeratic ice sheet
algebraic equation solver
amorphous minerals
ananassa
anemometrical
anencephaly
association type
atomic absorption spectormetry
austrine
basis stapedis
baubled
Benghisa
blast gate
books of micah
cage contained stirrer
call initiation
capellets
carboxy methyl phenyl arsonic acid
central region
choregraphs
circulation frequency of word
concentric front
congruable
criket
desuperheated steam pipe
diazosalt
direct-arc melting furnace
Direct-vernier
doddle
dvf
escort under police
fabric-strip
Falc.
fishing seasons
framed structures analysis program
free-texts
galactosemia
genus Disa
grain fineness number
grey blibe
ground-level loader
gullufsen
hanging mercury electrode
hardware fault
hashimoto's goiter
heating lamp
hexagon iron (hexagon bar)
IAHA
ideal aberration-free image point
In-sung
Jehonville
Karagiye, Vpadina
leather bleach
limiting photographic magnitude
linc
magnacard
metastasizing
molasses distillation
multiline department store
Murray Deep
nagara
Neanotis kwangtungensis
non-decisions
oligoporus lowei
Pajot's method
plaster ceiling slab
pneumatic drop caisson upright breakwater
Politzer's speculum
positional operand
preparation in district
property skip
Quazepan
Quillaicillo
quinin camphorate
radial line plot
reserve liabilities
self-test program
sensory impression
shell ice machine
simple glaucoma
situatedness
starry saxifrage
stippling decoration
sun bears
syndrome of cerebellopontine angle
tail-spins
teamlink
telling on
Tilia laetevirens
triping
Tropaeolum majus
type B wave
unequal tempered scale
vocability
Waitangi Day
Watson strand
weather matrix
well-acted
westsiders
working blast