拉曼引致之折射率改变

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(106) / 评论(0) 分类 揭秘联邦调查局

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Researchers at Ohio State University studied exercise-induced asthma among top athletes at the school. Ohio State football players practice earlier this year.

发表于:2018-12-07 / 阅读(119) / 评论(0) 分类 VOA慢速英语2007年(十)月

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(105) / 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(305) / 评论(0) 分类 第二届金融与统计学大会

饶舌:Gym Class Heroes - Peace sign index down 相关介绍 :来自纽约的Gym Class Heroes(以下简称GCH),起源于1997年负责说及唱的Travis Schleprok McCoy与鼓手Matt McGinley在高中一同上体育课而结识为好友,两位以嘻

发表于:2018-12-13 / 阅读(243) / 评论(0) 分类 英文爵士乐

AS IT IS - The Social Progress Index Welcome to AS IT IS from VOA Learning English. Im Mario Ritter. Today, we hear about a different way to measure economic growth, the Social Progress Index. We also hear from the author of a book about institution

发表于:2018-12-16 / 阅读(127) / 评论(0) 分类 2013年VOA慢速英语(四)月

By Barry Wood Washington 16 January 2008 The latest annual index of economic freedom ranks Hong Kong and Singapore on top for the 14th consecutive time. VOA's Barry Wood reports the Heritage Foundation survey shows economic freedom has improved sligh

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 VOA标准英语2008年(一月)

[00:04.28]Discuss the following questions with your partner. [00:10.34]1 Can you guess what someone is thinking or feeling [00:20.58]by looking at his or her body language? [00:30.62]2 Do people from different parts of the world use different body la

发表于:2018-12-18 / 阅读(185) / 评论(0) 分类 高中英语人教版高一

And we believe that these responses in higher-order areas are induced or become similar across listeners 我们认为,听众这些相似的大脑高层次区块反应, because of the meaning conveyed by the speaker, and not by words or sound. 是由

发表于:2019-01-18 / 阅读(125) / 评论(0) 分类 TED演讲科学篇

An Iron ore index has now been launched here in China. As CRI's Wei Tong reports, it's designed to give Chinese companies a bigger say over the pricing of the key component in the production of steel in the international market. The index consists of

发表于:2019-01-19 / 阅读(136) / 评论(0) 分类 世界各地新闻集锦

Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet

发表于:2019-01-30 / 阅读(167) / 评论(0) 分类 60秒科学

让人无语的电脑失忆症 各种电子设备用久了,我们好像都习惯了打拼音、选汉字。真正要拿笔写字的时候就会出现提笔忘字的情况,有关专家把这种现象叫做电脑失写症。 你有电脑失写症吗?

发表于:2019-02-02 / 阅读(135) / 评论(0) 分类 实用英语

The Hang Seng(香港恒生银行) China Enterprises Index on the Hong Kong Stock Exchange rose 52.69 points, or 0.45 percent, to close Monday's trading at 11,673.37. The H-shares index, initiated in August 1994 and readjusted(重新调整) on

发表于:2019-02-04 / 阅读(138) / 评论(0) 分类 英语新闻

Air quality in New Delhi will deteriorate to severe levels this week when Indians set off firecrackers to celebrate the Hindu festival of lights, a government scientist said, leaving many at risk of respiratory problems. 印度人民为庆祝排灯节纷

发表于:2019-02-07 / 阅读(106) / 评论(0) 分类 英语新闻

Now the other thing you'll notice about the top 10 there is, 另外一件你注意到的前十名的事情是, of course, they're all, apart from New Zealand, Western European nations. 当然,除了新西兰以外,它们都是欧州国家。 Th

发表于:2019-02-13 / 阅读(155) / 评论(0) 分类 TED演讲国际问题篇

Finance and economics 财经 Markets: Boo! 市场:哈! After a long period of calm, investors get a shock. 一阵平静过后,投资者们受一重击。 Every good horror-film director knows the secret of the jump scare. 每位优秀的恐怖片

发表于:2019-02-17 / 阅读(119) / 评论(0) 分类 经济学人财经系列

price category 价格分类 price change 价格变动 price cheating

发表于:2019-02-17 / 阅读(141) / 评论(0) 分类 财会英语

The tech-heavy Nasdaq index has closed at a record high, surpassing a level it last reached in 2000 at the height of the dot com bubble. 以科技股为主的纳斯达克指数再创历史新高,超过了其2000年互联网泡沫的高峰期的水平

发表于:2019-02-17 / 阅读(93) / 评论(0) 分类 阅读空间

China's business climate index falls in Q3 BEIJING, Oct. 18 (Xinhua) -- China's business climate index, a major gauge of the country's macroeconomic outlook, continued to fall in the third quarter, according to a latest survey. The quarterly index dr

发表于:2019-02-18 / 阅读(292) / 评论(0) 分类 英语新闻

4 Ways to Measure Your Standard of Living Standard of living should not equate to amount of spending. When I sat down to write an article on the countries with the highest standard of living, I thought it would be easy. But, how do you define standar

发表于:2019-02-18 / 阅读(188) / 评论(0) 分类 阅读空间
学英语单词
1-dodecyne
5-(dimethyltriazeno)imidazole-4-carboxamide
allatively
American bollworn
Anomodontia
antiparasitic medication
auxiliary report
Barkhausen interference
Bessemer ladle
bisdehydromarrianolic acid
bit serial
bon ami
bradley method of childbirths
branched secondary amine
Bryn'
cardinal tongue
cash in till
cephalohaematoma neonatorum
change-wheel
concyclothem
congenital redio-ulnar synostosis
crack willows
crenulation cleavage
cyano
data translation equipment
dive brakes
driving fitting
ECUM
effective number of allele
elollactone
esperduct
glaze-body interface
great changes
hepatogenous pigment
hollerbaches
homoplasmonic
hydro-massages
hypopepsinia
IMCS
impact test properties
interperiodic
it is so laugh
karcheffe
kool aid
Krautrock
lateral plane
lead pursuit course
leadman
low pressure gas burner
lung-cancers
macrandry
Mahauhau
marnhams
membrane skeleton
Meteor Rise
Microdrili
microgram atoms
mytilidase
N-P-N type semiconductor triode
Nollcn
nonexercisable
nonpoints
nonpositive definite form
nutsest
nytril fibre
offset plate
Orff
overall majority
overall stability
parliamentary secretary
pasteurella ureae
phase control of grid voltage
polypous colitis
pseudo-rate-increment control
put a stop to sth.
realskin
reckoned up
right projection
scatophagus argus
scrap rail
screen and roll
seaman's act
Slavicists
spray nozzle header
st tropez
stageside
storage swapping
subprefect
sweat lodge
Synotis sciatrephes
Talossan
that-a-ways
Titius
travesty of justice
troina
unappropriated deficit
under-sergeant
Underwritten offering
undocumented immigrant
uniflow tank
unket
wiener's pore