共振拉曼效应

Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 揭秘联邦调查局

India and Pakistan Commit to Building Gas Pipeline 印度与巴基斯坦合建天然气管道 India and Pakistan say work on a gas pipeline linking Iran to India via Pakistan could begin next year. Of

发表于:2018-12-08 / 阅读(167) / 评论(0) 分类 VOA2005(下)--全球经济要闻

分集介绍:本集主要是对与会人士致以问候和欢迎,并表示感谢。首先感谢会议组织者,特别提到事先告知成本值得其他同事借鉴,其次感谢各位学者的文稿,再特别感谢公司人士的出席。另

发表于:2018-12-09 / 阅读(362) / 评论(0) 分类 第二届金融与统计学大会

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(188) / 评论(0) 分类 VOA2003(下)-环境与健康

By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(271) / 评论(0) 分类 2007年VOA标准英语(三月)

54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-04 / 阅读(286) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. Olive oil producers generally guess the best time to harvest their olives by checking the fruits color. The olive has to hit that perfect spot where they

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(五)月

Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(十)月

If all goes well, the inventors hope to develop the idea and make the sections entirely from recycled plastic. 如果一切顺利,那么投资者希望开发此想法并完全利用回收垃圾制造这些节段。 Paths, car parks and railway plat

发表于:2019-01-26 / 阅读(258) / 评论(0) 分类 经济学人科技系列

58 对赌博时大脑活动情况的研究 DATE=6-14-01 TITLE=SCIENCE REPORT ?Gambling and the Brain BYLINE=George Grow (Start at 0'11

发表于:2019-01-30 / 阅读(191) / 评论(0) 分类 科技之光

By Anjana Pasricha New Delhi 06 June 2008 India is coping with huge energy shortfalls as a growing economy raises demand for power. But as Anjana Pasricha reports from New Delhi, the government has pledged to cover the gap in five years. Electrician

发表于:2019-02-03 / 阅读(154) / 评论(0) 分类 VOA标准英语2008年(六月)

A new study has shown that we tend to remember the bad times better than the good. The study, from Boston College psychologist, Elizabeth Kensinger and colleagues, has suggested that we retain and bear in mind events that carry negative emotional bur

发表于:2019-02-04 / 阅读(182) / 评论(0) 分类 阅读空间

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(190) / 评论(0) 分类 英语每日一词

India has signed its first contract to build nuclear power plants after the international community lifted an embargo on civilian nuclear trade with the country. The deal marks the end of India's nuclear isolation. Chairman and CEO of Areva, Anne La

发表于:2019-02-07 / 阅读(164) / 评论(0) 分类 VOA标准英语2009年(二月)

Why smells from childhood mean so much Why does the hint of certain smells instantly transport you back to childhood? It may be because the first smell you associate with an object is given privileged status in the brain Yaara Yeshurun and colleagues

发表于:2019-02-11 / 阅读(254) / 评论(0) 分类 阅读空间

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(238) / 评论(0) 分类 英语单词荟萃

India is coping with huge energy shortfalls as a growing economy raises demand for power. The government has pledged to cover the gap in five years. 由于国内不断增长的能源需求,印度正在面对一场严重的能源短缺。印度政府希

发表于:2019-02-14 / 阅读(165) / 评论(0) 分类 VOA双语新闻 2008年6月

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(193) / 评论(0) 分类 英语新闻

Joe Hollier, a 25-year-old former skater turned technology entrepreneur, describes the moment of transcendental calm when he gave up his smartphone. Mr Hollier had started going light, leaving behind his high tech pocket companion and disconnecting f

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 英语新闻

The European Union budget 欧盟预算 The gourmands of Brussels 布鲁塞尔的贪食者 The EU may be spending less, but the cost of running it is rising 欧盟也许会削减开支,但是运营成本在增加 THE European Union is on the verge o

发表于:2019-02-24 / 阅读(199) / 评论(0) 分类 经济学人商业系列
学英语单词
acumine
agency liability
Ainsliaea henryi
albuminate tannin
antihalation
balance carried down
bank scale
beta-ray excited x-rays
biradial cleavage
bleeder current
branched disintegration
Briticisms
bronzed pottery
bronzing and dusting machine
bulgingly
bullyproof
channeled gate array
chlorate discharge
code specification
coincidence lattice
comparability
confucius institute
Cox's Bazar
cranialis
cuzcoes
demagnetizer
dibenzothiazine
diffusibility of gases
disastrous interruption
East Guripāra
eccentric bit
electrical performance test
electrophoretically
endozoite
enzyme treatment
exponential regression
family-work
first rate
Freixiel
Friedlander's disease
gloea
greenboard
greenhouse climate controller
head-up display remote panel
high - end market
identification groove of drill pipe
interstellar trajectory
isoprofen
Kartagener syndrome
Khrami
letter of agreement
license on a case by case basis
low melting point alloy
lungoute
Lyonnet's glands
matronymics
medalling
Metosteron
moisture-holding
Mucor racemosus
no matter whether
partially secured creditor
percentage of success
peties
phlogosin
photographic image contrast
polarity sensing element
pongol
pressure suits
pseudophilosopher
pygidium (pl.pygidia)
quick access storage
quick fitting
racial difference
rational metamathematics
real time system
receiving centre
receiving current sensitivity
reproductive organ
reprogrammes
rodlets
rubino
segusoes
senile melancholia
shape segmentation
Spezia
St Gregory, Mt.
tangana
terrestrial scintillation
truncated cone shape
umping
unknown aerial target
unrutted
untimeously
uppsalas
verist
waxahachie
Wechsler intelligence scale for children
whigging
worldspan
yelton