脉冲激光器微功率探测仪

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 英伦广角

AS IT IS 2015-05-11 Preventable Carbon Monoxide Still Claims Many Lives 可预防的一氧化碳中毒每年仍夺去许多生命 Many areas around the world suffer from frequent loss of electrical power. People often must use other sources of power,

发表于:2019-01-12 / 阅读(41) / 评论(0) 分类 2015年VOA慢速英语(五)月

AUDIE CORNISH, HOST: Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for malarial infection would be extremely helpful in combating the disease. As NPR science correspond

发表于:2019-01-16 / 阅读(68) / 评论(0) 分类 2018年NPR美国国家公共电台5月

By Sean Maroney Washington 15 December 2006 Astronauts from the U.S. space shuttle Discovery have successfully rewired half of the International Space Station to run on its permanent power system. VOA's Sean Maroney reports from Washington with deta

发表于:2019-02-03 / 阅读(121) / 评论(0) 分类 2006年VOA标准英语(十二月)

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(52) / 评论(0) 分类 经济学人科技系列

There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质,其硬度比钻石还高

发表于:2019-02-18 / 阅读(36) / 评论(0) 分类 阅读空间
学英语单词
activases
aged column
Agence France-Presse
agro-type
antitetanic serum ATS
arorw-head
average profit
battery driven motor
bit feed
bloodthirstily
boundary stratotype
Bulgarieae
Burlingame, Anson
by or on behalf of the ship's owner
cannabis seed pill
careermen
CCC1
cementum resorption
cold-cathode gas-filled tube
common steel
compensatory movement
critical quenching rate
crossfoot
cut off meander core
cylinder head sector
Dampier Arch.
disseminated sclerosis
divergent streams
drivetrain
dynamic stochastic content
electron emitter
electronic calculation punch
expletion
eye band
eye-point distance
feature key
filling matter
fire-pan
flanger bearing bush
flexible factor
four-channel magnetic head
galvanized iron barbed wire
genus cardueliss
gibbon
gill diseasec
Group of Eight
hardening liquid
heavy paraffin hydrocarbon
heteronuclear RNA
Hiuchi-nada
horseboxes
house speaker
Industrial Training Board
ineffective strain
integrating wheel
iodouracil
isotonic solution
Joint Agent
LC-412
leg-spinners
ligustrums
loosened rock
Machilus salicoides
Magnolia liliiflora
meroon
metal back tube
microcombustion method
officiums
outdweller
oxygen facial
phonatory
plastic cover
populum
Poval
Prides goes before a fall
push-button starter
regulation-making power
removable rim
respiratory frequency transducer
reterritorializes
retropleural
rocking link
Rukbah
salesclerks
Schopper folding machine
Schwäbische Alb
ship-breakers
shipping port
structural member
styraxes
sunday i. (raoul i.)
superposition of signals
telescopic range finder
the sinews of war
V-cylinder
Valdepenas
valve rock arm
video code
wake-in turbine enclosure
warp let-off motion
whole brother
Yamagua, R.