【分析化学】汞池电极

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发表于:2018-12-01 / 阅读(186) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(184) / 评论(0) 分类 Scientific American(十二)月

Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer

发表于:2018-12-07 / 阅读(130) / 评论(0) 分类 2012年VOA慢速英语(七)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(225) / 评论(0) 分类 2009年NPR美国国家公共电台7月

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(141) / 评论(0) 分类 有声杂志阅读

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(132) / 评论(0) 分类 彭蒙惠英语

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(355) / 评论(0) 分类 60秒科学

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(193) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(161) / 评论(0) 分类 Scientific American(八)月

HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con

发表于:2019-01-07 / 阅读(141) / 评论(0) 分类 健康与环境

VOICE ONE: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mercury. Today, Tony Riggs and Larry West tell about the beg

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 VOA慢速英语2009年(六)月

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

发表于:2019-01-12 / 阅读(129) / 评论(0) 分类 2013年VOA慢速英语(四)月

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(270) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(152) / 评论(0) 分类 英语新闻

The U.S. space agency NASAs Messenger probe(正直的,廉洁的 ) is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp

发表于:2019-02-05 / 阅读(134) / 评论(0) 分类 英语新闻

The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

发表于:2019-02-05 / 阅读(130) / 评论(0) 分类 英语新闻

Ever wanted to be an astronaut? Imagine it was you, who was heading to the hot zone of the two inner planets, where would you go? What would you see? And how would you survive? The latest robotic machines have revealed more about these worlds than ev

发表于:2019-02-05 / 阅读(179) / 评论(0) 分类 自然百科2012年

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(202) / 评论(0) 分类 VOA常速英语2008年(二月)

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(261) / 评论(0) 分类 自然百科2012年
学英语单词
ad hockeries
Adenophora liliifolioides
ammonium cobalt(ii) chloride
ang moh
annotining
antirational
antithetic correlation
award sb with a medal
Barre-Guillain syndrome
bloody vesicle
bonds issued in Renminbi
booster doses
brown lung(disease)
cantilever traffic sign
cartilage growth-promoting peptide
center chord
characteristic conoid
chemical drying machine
chrome-dolomite brick
correction of leeway
cumulated doule bond
Dainava
dentinal matrix
deny oneself to
differentiation mapping
dilutive securities
dispauperize
dive bomb
double besom pocket
EFH
emergency auxiliary power
endemic acute barium poisoning
fall guy
fibrillen
files out
flight area mark
flight controls
flumedroxone
genus cardueliss
gianlucas
haanas
heat homing guidance
hermother
hold oneself ready to
home fried potatoes
hunter-driffield curve
imf-led
improvisates
jointed shaft
krautheimer
Kuwaiti dirham
lack of reproducibility
Lake Saint Clair
LLTP
Lobinin
magneto-optical phenomena
Marcello Malpighi
meaningful whole
megatherial
monitor-drain system
mooring attachment point
musculi serratus posterior inferior
narow
New Brockton
nitrocellulosic
ocular dominance column
orangoid
organization for product design
Pachacuti Inca Yupanqui
pars frontalis capsulae internae
peptidoglycan
pisga
Plexus subclavius
pound calone
precontact equipment check
primary recovery rate
primary refraction
principal stress line
round-robin story
runaround
Saint Boniface
seepage zone
serous arthritis
standard square
Stiegel, Henry William
synchronization contraint
tackle burton
tai lues
taurus-littrow
Tenryu-gawa
terreer
thorpy
throw my bread upon the water
tight-shut
tropoelastins
twin corner
unbowelling
upper tween deck
virtual path
wade into
waxed plastic sheet
wildren