碳自由基

carbon radical的用法和样例:

例句

  1. Effects of porosity on the material performance of chopped high modulus carbon fiber reinforced carbon composites and carbon materials were studied.研究了短切高模碳纤维增强碳复合材料和碳基体材料气孔率对材料力学性能的影响。

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(254) / 评论(0) 分类 Explorations

To better know their carbon footprint, a group of Australian landowners are doing their own calculations on what climate change could mean for them. They're looking at ways to improve yields and efficiency in their respective industries while lowerin

发表于:2018-12-02 / 阅读(195) / 评论(0) 分类 世界各地新闻集锦

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(六)月

We have to do something about pollution. Even though there are warnings about global warming, companies dont do anything to reduce pollution. Our sky, air, rivers, beaches and countryside are becoming rubbish dumps. The air is so polluted it is givin

发表于:2018-12-26 / 阅读(132) / 评论(0) 分类 纯正英语一分钟

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(167) / 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(138) / 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(168) / 评论(0) 分类 Scientific American(七)月

BBC Learning English Weekender Carbon Footprints Jackie: Do you throw your bottles in the bin, drive a big heavy car, or leave the lights switched on when you go out? Im Jackie Dalton and, as part of National Science Week in Britain, we are going to

发表于:2019-01-11 / 阅读(154) / 评论(0) 分类 Weekender

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(159) / 评论(0) 分类 VOA常速英语2007年(十一月)

The Australian government is facing mounting opposition to its pioneering carbon trading scheme after it unveiled legislation it hopes to pass by the middle of this year. Australia is proposing what could be the most sweeping cap-and-trade system in

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2009年(三月)

By Mandy Clark London 11 May 2007 watch London Pollution report New York is hosting a Climate Change Summit next week (May 14th to 17th). Leaders from the world's largest cities will discuss how to reduce pollution. London will likely be held up as

发表于:2019-01-30 / 阅读(137) / 评论(0) 分类 2007年VOA标准英语(五月)

By Lisa Bryant Paris 24 October 2007 France is hosting a high-level environmental summit Wednesday and Thursday, aimed to turn the country from laggard to leader in the fight against global warming and pollution. From Paris, Lisa Bryant reports the s

发表于:2019-01-31 / 阅读(123) / 评论(0) 分类 2007年VOA常速英语(十月)

A leading U.S. advocate for combating climate change has unveiled an ambitious plan to drastically slash global carbon emissions over the next 12 years, saying aggressive action is both necessary and feasible. VOA's Michael Bowman reports from Washi

发表于:2019-02-04 / 阅读(140) / 评论(0) 分类 VOA标准英语2008年(七月)

By Tom Rivers London 17 November 2007 Reacting quickly to the latest UN climate change report, Prime Minister Gordon Brown is pledging that Britain will lead the world in reducing carbon emissions. For VOA, Tom Rivers reports from London. In what is

发表于:2019-02-08 / 阅读(101) / 评论(0) 分类 VOA常速英语2007年(十一月)

BEIJING, Nov. 13 (Xinhua) -- A Foreign Ministry spokesman on Tuesday said China approves of a possible freeze for the carbon emission tax on airlines proposed by the EU Commission. We have noticed a relevant official's remarks and we welcome the free

发表于:2019-02-08 / 阅读(148) / 评论(0) 分类 英语新闻

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(179) / 评论(0) 分类 英语新闻

Drivers in the eastern United States may soon start paying for the pollution made by their motor vehicles. Nine eastern states and Washington, D.C. are launching a system of pricing the carbon dioxide produced from burning gasoline and diesel fuel. M

发表于:2019-02-14 / 阅读(165) / 评论(0) 分类 2019年VOA慢速英语(一)月

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(122) / 评论(0) 分类 英语新闻

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(164) / 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(211) / 评论(0) 分类 英语新闻
学英语单词
aim-inhibited
altruistic love
armied
bail up
blastomyces farciminosum
calcium dihydric pyrophosphate
calx
cascade transition
catamaran-stern hull
clubtooth escapement
conic refraction
contour horizontal distance
coxalgia coxodynia
creatable
deltaretrovirus
dismissibility
downstart
driftfishes
e-h
electric potential
electric vacuum drying oven
empty-jury-box
eveland
extra price
fall guys
fankle
feel like making love
fruit quality
glasswashers
gnrh-a
greenhouse culture
growth ration
height of the tide
hopshackle
independent departureness
internal experience
international standard meter
intersecation
kjus
labour time value
late frost damage
lawn sprinkler system
lupoid ulcer
motive type sand slinger
mug-shots
multistemmed
myself
n.f.b.
natural circulation water cooling
neurobasicranial
oenochoe
oil-gas contact
one box car
out-mount
P'yǒnggang-gun
Passarge
peppering
pteropodous
pulsed magnetic field
pupillomotor
purchase orders closed
reciprocal exclusive dealing
recovered acid
reductionist
regular-lay right lay
relative centre/center-point curve
reprivatising
revolving block engine
Savonians
saw tooth signal
secular misic
self-avoiding random walk
slamdunks
software reliability
Sorbus americana
Sosa, Cerro
sounding line correction
spathulas
sphaerotheciella sphaerocarpa(hook.)fleisch.
spherify
Stewartia brevicalyx
substractive color mixing
surveillance mechanism
testing of soil
thermoprene cement
three-axle trailer
three-level costate prediction
Tikopia
to tur
top fermentations
tous
traffic bulletin
unenthralling
Veticillin
Vibeden
weasels
wineiest
wish you were here
x ray small angle scattering
yerd-hunger
ytterbic sulfate
zero-one method