氨基铬,胺铬,氨基色素,胺色素

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(157) / 评论(0) 分类 经济学人科技系列

He stopped at the motel. It was late at night. It was almost midnight. He asked the motel clerk, Do you have a vacant room? She said she had a vacant room. He asked how much it was. She said it was $100 for the night. But the night is half over, he s

发表于:2018-12-07 / 阅读(137) / 评论(0) 分类 超级简单英语阅读

Want to Choose Better Words? Our words matter. Our words have always mattered, but they matter more now that the Internet gives us the power to make our words permanently public. Words might help or hurt someone. Our words may have more power than we

发表于:2018-12-16 / 阅读(131) / 评论(0) 分类 2016年VOA慢速英语(四)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(六)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(163) / 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(138) / 评论(0) 分类 Scientific American(四)月

bauxite, ['b?:ksait] n 铝土矿(铝的基本矿石) 【记】1)Baux是法国地名,xite=site场所。Baux因产铝而知名。 2)baux读:宝库,xite场所。产铝的宝库

发表于:2018-12-30 / 阅读(126) / 评论(0) 分类 不择手段背单词

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(220) / 评论(0) 分类 科技之光

How to Fix Your Facebook News Feed 如何修复你的Facebook新闻提要 Has your Facebook News Feed become a mess of political stories, unwanted videos and angry rants? Are you wishing for the days when your feed was filled with posts from friends

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 2017年VOA慢速英语(二)月

5 Reasons to Try Firefox Quantum Browser Mozilla has released a new update of its Firefox browser that it says is much faster and provides a better overall user experience. But can the new version called Firefox Quantum compete with the worlds curren

发表于:2019-01-03 / 阅读(215) / 评论(0) 分类 2017年VOA慢速英语(十一)月

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 医务英语

Google Services for Your Daily Life 谷歌服务已渗入你的日常生活 Google has many services to help people and businesses. Some you may use every day. Others you may not have discovered yet. The more commonly known services include Gmail, Ch

发表于:2019-01-12 / 阅读(149) / 评论(0) 分类 2016年VOA慢速英语(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(200) / 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(181) / 评论(0) 分类 经济学人科技系列

Browser wars 浏览器之战 Chrome rules the web 谷歌浏览器掌控网络 What Googles browser has in common with Queen Victoria 谷歌浏览器跟维多利亚女王的共同点是什么? Aug 10th 2013 |From the print edition 20130810_WBM200.pn

发表于:2019-02-06 / 阅读(152) / 评论(0) 分类 经济学人商业系列

让你的电脑健步如飞 开始察觉到你的台式机或笔记本电脑变的有那么点儿不好用了?只用了几个月,你的PC或MAC就失去了它的锐气,感谢硬盘驱动器中的某块碎片吧,这可能是因为太多程序同

发表于:2019-02-07 / 阅读(198) / 评论(0) 分类 实用英语

saddle leather鞍皮[革] saffian leather山羊革; 摩洛哥革 scrap leather废皮; 碎皮 semi-aniline leather半苯胺革 semi-chrome leather混合铬鞣革 sheep leather(绵)羊革 shrink leather皱

发表于:2019-02-07 / 阅读(133) / 评论(0) 分类 英文语法词汇

SAN FRANCISCO, May 11 (Xinhua) -- Google on Wednesday introduced a series of notebook computers based on its Chrome operating system, stepping up its competition against Microsoft. Google unveiled the Chromebook at its annual developers conference(会议

发表于:2019-02-08 / 阅读(164) / 评论(0) 分类 英语新闻

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(395) / 评论(0) 分类 阅读空间

While reports of major hackings continue to make news, the sites you visit are safer than ever before. 虽然关于网络黑客的报道仍旧屡见不鲜,但事实是你所访问网站的安全系数比以往任何时候都高。 In fact, the web

发表于:2019-02-20 / 阅读(161) / 评论(0) 分类 英语新闻
学英语单词
a-swoon
acrocoracohumeral ligament
allister
anteorbital
array-based replication
arrupe
artery of labyrinth
Aureobacterium
back-boundary cell
benbonyathe hill
bridge cover
camcorders
Channel Service Unit
charging coefficient
coaxcial wire armored cable
complex number type
cotton cakes
court-case
crabbers
cyotoxin
derogators
dissimilar computer
drum factor
DT (down time)
El Campillo de la Jara
exogastrulation
field border planting
Fisher correlation-coefficient transformation
fissurated ulcer
flow sender
gee gee
grade builder
guanidiniums
hardware selection criteria
higher mammal
hubble-bubbles
huygen's eyepiece
hydropsychotherapy
ideal power output
impression of muzzle
inner route
insensitivenesses
integrable system of differential equations
interfirms
intra-individual differences
Isobenzan
ivermectin
jockey stain
labyrinthine congestion
lanatigonin
local switch board
long wave FM radio telephone
lower ... sail
memory scheduler
microlepidotous
military meteorological satellite
minimal cover
mysid
neutral theory of molecular evolution
oil scupper
opaque mirror
oral histology
palaeosubspecies
parcel post package
penis vesicle
percentage makeup
physical characteristics
piked reverse hangs
plumbogummite
PP5
Pseduomonas-aeruginosa
punkt
Pyrethia
reactivate association
request checking
risk estimate
road dust
rules of the exchange
Rungia chinensis
saltatory tic
sarmentosine
scotchguarded
senats
shear mechanism
shocks and awes
short-run fluctuation
shou hsing tui
side-car
slide vane compressor
sportfish
sugar-coateds
ta kuan wu
tape coiling
thiamin(e) base
Treves's fold
twites
Uhde sulfur recovery process
unreputable
ustulina zonata
xanthorrhiza
zincobotryogen