GenBank核糖苷酸序列资料库

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(244) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(252) / 评论(0) 分类 数学英语

发表于:2018-12-12 / 阅读(176) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(306) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(241) / 评论(0) 分类 2014年ESL之商务英语

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(337) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(285) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(265) / 评论(0) 分类 Scientific American(五)月

By Steve Herman Tokyo 29 May 2006 The World Bank is questioning the value of large-scale power-generation projects of the type it has funded in Africa and other parts of the developing world. Paul Wolfowitz World Bank President Paul Wolfowitz is pre

发表于:2019-01-11 / 阅读(231) / 评论(0) 分类 2006年VOA标准英语(五月)

New Brain-Image Database Could Assist Chronic Pain 新的脑图像数据库能帮助治疗慢性疼痛 From VOA Learning English, this is Science in the News. Im Christopher Cruise. And Im Faith Lapidus. Today we tell about a World Health Organizatio

发表于:2019-01-12 / 阅读(280) / 评论(0) 分类 2014年VOA慢速英语(二)月

By Deborah Block Washington, DC 24 January 2006 watch Bird Flu Database report A computer database in the United States is helping researchers find a human vaccine for the bird flu virus -- a disease

发表于:2019-01-13 / 阅读(307) / 评论(0) 分类 2006年VOA标准英语(一月)

SCOTT SIMON, HOST: Police departments across the U.S. are using electronic databases to store intelligence on gang activity. These databases have been heralded by police as a crime fighting tool. But some activists in Chicago claim they do more harm

发表于:2019-01-16 / 阅读(233) / 评论(0) 分类 2018年NPR美国国家公共电台1月

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(210) / 评论(0) 分类 阅读空间

BEIJING, Sept. 26 (Xinhuanet) -- Fu Ming'ai was reunited with his family on Sunday after 22 years. He is one of the more than 1,400 abducted children who were helped by a national DNA database, which helps match trafficked children and their parents.

发表于:2019-02-02 / 阅读(218) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(278) / 评论(0) 分类 英语新闻

By Jim Teeple Jerusalem 14 June 2007 Palestinian President Mahmoud Abbas late Thursday dismissed the three-month-old Palestinian unity government and declared a state of emergency as Hamas militants consolidated their control over the Gaza Strip. Mor

发表于:2019-02-08 / 阅读(332) / 评论(0) 分类 2007年VOA标准英语(六月)

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(199) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(179) / 评论(0) 分类 英语听力练习题

The director of the United Nations Industrial Development Organization has met with Kenyan finance officials to discuss the launch an African-wide database designed to help governments promote investment in their countries. The database contains info

发表于:2019-02-18 / 阅读(177) / 评论(0) 分类 英语新闻

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(263) / 评论(0) 分类 柯南脱口秀
学英语单词
analucin
anterior apophysis
arenarious
arteanoflavone
arteriolohyalinosis
arthrocenteses
bimaculatus
bourgueticrinid
c axis
cantilever erection
complete object
cooperative teaching
copper smith
counterworks
cyrus
DBF (design basis fire)
diphenyl methyl bromide
dog and bones
encoppicement
erskine caldwells
export subsidy
familial multiple telangiectasis
floating frame-bearing
form random impulses white noise
frequency-shift keyer
front slot airfoil
fructus aurantii immaturus
funbreak
gas-sensitive leak detector
genus pithecolobiums
Groucho
Heisenberg uncertainty relation
ilay
index numbers of construction cost
intercalary band
kethib
larwood
liquid core
malvalic
mandibular joint
marsh treader
meizoseismal curve
monotopism
morency
Moseley series
moustick
multiple strand cable
multiplication comparator
negative value of error
neutrophilic
nioboanatase (niobanatase)
non-dispersive X-ray fluorescence
Notoedres cati
nutrient preserving capability
one's pound of flesh
oral physiology
overbelling
Pamphylian
pardon me
pathologic fourth heart sound
phosphoribosyl-5-aminoimidazole-4-carboxamide
policy subregion
proteolytic quotient
pseudo-tetrad
Ptilodus
quantity increment percent
rajhara
real-time enterprise
reheater
remote apron
restated
roller card
rushworth
Salvia fragarioides
self cognition
semisub
sgns
shallow draught
Simple Authentication and Security Layer
single-phase winding
singular divisor
smackdown
sodium abietate
solar cell panel
stated salary
study in small sections
swing block four bar linkage
taker-in
thallous sulphate
thalmelatine
Thanetian Age
the rule of thumb
transitive construction
tritiation
two-woman
under-skin
vacuum (distilling) column
variable-precision coding compaction
vertical convergence
vertical discharge pipe
vitaler
write addressing