光谱碳棒

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is

发表于:2018-12-01 / 阅读(175) / 评论(0) 分类 Explorations

【今日基础词】Aspect 【Transcript】 A woman was singing. One of the guests turned to a man by his side and criticized the singer. What a terrible voice! he said, Do you know who she is? Yes, was the answer, She is my wife. Oh, I beg your par

发表于:2018-12-05 / 阅读(71) / 评论(0) 分类 听基础单词练听力

Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d

发表于:2018-12-16 / 阅读(80) / 评论(0) 分类 VOA标准英语2012年(一月)

Why Diamonds Really Are Forever Diamonds are forever they say, and this is why: diamonds are the hardest substance known to exist. Nothing would scratch or damage a diamond,While a diamond can scratch any other material on the earth. Everything is

发表于:2018-12-27 / 阅读(47) / 评论(0) 分类 英语时差8,16

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(148) / 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(166) / 评论(0) 分类 商务英语演讲课

Some state lawmakers are pushing to ban(1) potentially(2) cancer-causing(3) chemicals from children's products and sofas. The two flame retardant(4) chemicals are known as TCEP and TDCCP and are found in car seats, strollers(5), changing pads(6), oth

发表于:2019-01-01 / 阅读(82) / 评论(0) 分类 英语博客 A cup of English

How big is your carbon footprint? Neil: This is Real English from BBC Learning English. I'm Neil. Lily: 大家好,我是杨莉。 Neil: This is the programme in which we look at words and phrases that you may not find in your dictionary. Lily: 地道英语和大

发表于:2019-01-02 / 阅读(96) / 评论(0) 分类 地道英语在线听

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(76) / 评论(0) 分类 VOA2004(下)--健康科技

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(七)月

By Tom Rivers London 19 November 2007 British Prime Minister Gordon Brown is urging all nations to rise to the challenges of combatting global warming, which he compared to the challenge of recovery after World War II. For VOA, Tom Rivers in London r

发表于:2019-01-11 / 阅读(84) / 评论(0) 分类 VOA常速英语2007年(十一月)

News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and

发表于:2019-01-13 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(二月)

DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als

发表于:2019-01-20 / 阅读(125) / 评论(0) 分类 2016年Scientific American(九)月

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(249) / 评论(0) 分类 英语时差8,16

HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to

发表于:2019-02-08 / 阅读(123) / 评论(0) 分类 英语新闻

NEW DELHI, Feb. 14 (Xinhua) -- BASIC countries including China, India, Brazil and South Africa have jointly expressed objection to European Union' s carbon tax on airlines flying into Europe during the 10th BASIC Ministerial Meeting on Climate Change

发表于:2019-02-19 / 阅读(53) / 评论(0) 分类 英语新闻

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(116) / 评论(0) 分类 英语听力文摘 English Digest

BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i

发表于:2019-02-25 / 阅读(107) / 评论(0) 分类 英语新闻

BEIJING, March 1 (Xinhua) -- China on Thursday called on the European Union (EU) to take seriously the concerns of the international community on its carbon emissions charges, warning the 27-nation bloc not to complicate the matter. Chinese Foreign M

发表于:2019-02-26 / 阅读(143) / 评论(0) 分类 英语新闻

What Is Fire? 火是物质燃烧过程中散发出光和热的现象,是能量释放的一种方式。火焰分为焰心、中焰和外焰,温度由内向外依次增高。燃烧过程必须有可燃物、燃点温度、氧化剂三项并存,缺一

发表于:2019-03-09 / 阅读(255) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a-n signal a-n
Aboriginalisation
allybromide
annular counter
Arantangi
as fresh as a rose
authoritarians
basigenous
Bloody Sunday
bottle gourds
bromo-benzoyl chloride
cell spin
CFIDO
cladocerans
Clematis chiupehensis
clutch release finger
colored compound
complementary emitter follower
convergent iterative procedure
coordinate system paper
cutting-plane symbol
day-biters
demarcated
desquamates
direct electric process
disengage tracer
Doppler constant
Drag-lizard
durda
dysyng
effluent tax
emphasizers
enzyme digestion
epitonium melior
expiated
extinctors
Femara
file sending application
fishrib
frozen-core approximation
fungisterols
g-adaptation illusion
generalize for
Gregory of Nyssa, Saint
Gulf of California
have an interest in
high - pressure selling
high-rate cutting
hopologists
hydropexic
injection spray pipe
job's completion queue
levy war upon
LIMEDS
marking convention
merville
methylscopolamine
mimulus
minsh
multiple lamp holder
ocunterparty
omalo-
orlov
Palaeocene
Pedicularis dissectifolia
phthalophenone
phylloscopus inornatus
pliablest
pollen segregation
Pong Rok, Stung
pounces
refuge
rehanged
Retrop
reverse transmitter
salt-mud combination log
scoliopleura tumida
scuttle-butt
secreted
selenium(iv) oxyfluoride
self assertive behavior
semen cannabis
semi-polar liquid phase
siuslaw
Spiradiclis xizangensis
Stationary Office
stock minded
stoplog hoisting equipment
sweet cherry bark
tile roof
tongues wag
Trochus pyramis
turbulent atmosphere
unfearfully
United Nations Commission on the Status of Women
ventricular ectopy
vertical member
volume control block
Wallacia
welded seam can
wilch
zincoid