[激光 分化] 激光发光光谱分析

以字母O开头英语绕口令: 1.On a lazy laser raiser lies a laser ray eraser. 1.在一个反应迟钝的激光器上放了一个激光消除器。 2.Old oily Ollie oils old oily autos. 2.油腔滑调的奥利给老油汽车抹油。 3.One-One

发表于:2018-12-03 / 阅读(207) / 评论(0) 分类 英语绕口令大全

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(69) / 评论(0) 分类 揭秘联邦调查局

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(86) / 评论(0) 分类 VOA常速英语2008年(四月)

1. A judge has found 3 New York Police detectives not guilty in the shooting death of an unarmed man. The officers shot Sean Bell 50 times just hours before his wedding. Rev. Al Sharpton has called for a federal investigation. 2. An eight-mile stretc

发表于:2018-12-15 / 阅读(121) / 评论(0) 分类 美联社新闻一分钟2008年(四)月

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(76) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(60) / 评论(0) 分类 VOA标准英语2014年(二月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 2015年Scientific American(一)月

Conversation 1 A: They are state-of-the-art computers. Would you like to see how it works? A:这些是最尖端的电脑。您想看看它是如何操作的吗? B: Yes, please. B:好的,麻烦你了。 A: OK. Let me just have it all set up in

发表于:2018-12-25 / 阅读(57) / 评论(0) 分类 最In导购口语

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(78) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this

发表于:2018-12-31 / 阅读(142) / 评论(0) 分类 商务英语演讲课

In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel

发表于:2018-12-31 / 阅读(160) / 评论(0) 分类 商务英语演讲课

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 2017年VOA慢速英语(七)月

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(六)月

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 2005年NPR美国国家公共电台

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(121) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(87) / 评论(0) 分类 2012年VOA慢速英语(一)月

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(177) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(105) / 评论(0) 分类 VOA常速英语2007年(十一月)

As many women know only too well, finding a dress that fits like a glove is no easy task. 许多女人都很明白吧,想要找一条和手套一样合适的裙子可不是容易事。 But a new dress, created using a 3D printer, may be the answer

发表于:2019-02-07 / 阅读(46) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(84) / 评论(0) 分类 经济学人科技系列
学英语单词
Abū 'Alaq
according to priority
acetone-benzene dewaxing
acoustic pattern
adaptive man-machine nonarithmetic information processing
ADP (acoustic data processor)
alarm
all service vehicle
anti-air warfare axis
antigonadotrophin
Baksheyevo
bartowsky
biliary canaliculi
Bodenham
Bradford, William
briniest
British royal mint
bulged blade
chauldron
chewier
Conites
continuous oxygen analyzer
conventional necessary
crossed one's arms
csicseri
Danielssen
delayed miscarriage
diastaltic
direct manipulation
double shed insulator
ducking machine
ego-control
ejector motive steam
elastic temper
endophlebitis hepatica obliterans
exposure ratemeter
extensor muscles
fiber cleaving
foreign tongue
free-space maximum range
giro banks
glacial river
harbo(u)r research vessel
hearing acuteness
hell yeah
highway deicing salt
idoheptulose
inclined grid tray
Lachman, Cape
laxitex
lime grout
literatuer
live by one's pen
Lyssacina
made her way
maleki
mid-autumn
Monclar-de-Quercy
morrissette
nasal diphthery
Nei Mongol
nobay
normal plane of space curve
o-
Ontarians
outing cloth
overhead wire
oxaceprol
pathological conditioned reflex
Phlorimycin
plug contact
plural phase subcarrier
pumping tie
reactivity of host
rebt
recolet
reginned cotton
resubstantiate
rope-a-dopes
Rosebrae bed
semi automatic furnace
Serious Organized Crime Agency
sheeting test
sight cap
sloughable
spring guide bushing
stable manifold
staghorn sumac
stress accommodation
surface gravity wave
surface heat flux rise
taintment
the beginning of the end
Trapp's factors
true aryl nitro-compound
ulcerousness
ustilago esculenta
Vena pulmonalis dextra superior
vice-regents
water soluble film
Weichbrodt's test
white expansion