【化学】碳—13 (碳的稳定的同位元素)[亦作 carbon-13 ]

1. The Iowa caucus on Monday, the first official contacts of the 2016 presidential race. Democrat Hillary Clinton and Bernie Sanders are in the very tight race. Meanwhile, Donald Trump and Ted Cruz are expected to lead the republicans. 2. Super junio

发表于:2018-11-27 / 阅读(1572) / 评论(0) 分类 美联社新闻一分钟2016(二)月

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(238) / 评论(0) 分类 Explorations

国际应对气变协议即使达成如何实施引关注 The main expectations from the two-week United Nations Climate Change Conference about to begin in Paris are that the outcome should be a concrete plan with achievable goals from every nation

发表于:2018-12-02 / 阅读(135) / 评论(0) 分类 VOA双语新闻 2015年11月

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(190) / 评论(0) 分类 世界各地新闻集锦

Andrew Wilkie says hes received death threats because of his push for pokies reform. The independent MP says theres(口误,应为thereve) also been threats to release compromising photos of him. Clubs Australia has launched a multi-million dollar c

发表于:2018-12-11 / 阅读(138) / 评论(0) 分类 澳洲ABC新闻快递2011年

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(126) / 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(156) / 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(129) / 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(156) / 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(148) / 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(150) / 评论(0) 分类 VOA常速英语2007年(十一月)

SCIENCE IN THE NEWS - Mangrove Forests Among the Most Carbon-rich Forests in the World BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. This week, we will tell how coastal forests

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2011年VOA慢速英语(五)月

Voice 1 Thank you for joining us for Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 When I moved to a n

发表于:2019-01-19 / 阅读(109) / 评论(0) 分类 环球英语 Spotlight

If you've gone shopping for a car lately, you might have noticed that fuel economythe number of miles per gallonis creeping up. One reason is a more efficient type of fuel injection, called gas direct injection. Its a feature of half the new cars sol

发表于:2019-01-20 / 阅读(122) / 评论(0) 分类 2016年Scientific American(八)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(143) / 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(176) / 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(157) / 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(108) / 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(159) / 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(205) / 评论(0) 分类 英语新闻
学英语单词
.dbx
a couple of months
a shank
aliasing frequency
at a steady pace
aviation liability insurance
barrier action
be well up to the average
blast-furnace process
blastoconidia
bonus circulation
braking bench
breaking the seal
buckling test
buffoon (england)
cash solvent
chung ss?
cockren
coder-decoder
coherent light beam
copper-constantan temperature
crasis
Creggs
cycloolefins
davros
debenture-holder
design vessel type
develop and import scheme
Deyeuxia turczaninowii
diaphragram lens
dimensional analysis in conceptualization
dimplings
diplopodias
discrete element method
disequillibrium of balance of payments
dissecting aneurysm of aorta
duplex spot weld
ellsworthite (betafite)
exchangest
exogenous infection
external event port
felixmuller
flat wooden pallet
Gasparian
generic card set
gravidism
groening
header cap
hyperacutely
identical permutation groups
injection tip
intermediate credit bank
international silence
jaam
john c fremont
julianes
Keeshonds
Keetey cure
kochin
Kstovskiy Rayon
Kuder-Richardson reliability
land mine warfare
langurs
local static reflexes
mammalogies
Man the boat!
Mazaef method
modde
Morkia
newspaper columnist
organization of operation
patch cord
Poole, Mt.
premature-ignition
primary pore
principles of instruction
pyrophoric powder
re-hires
remote support facility
scaligers
shunting contactor
Sierra Blanca
spadish
specialist block purchase
strain gage bridge
stroke someone's hair the wrong way
sugar-coat
synonymiae
tajis
terrain intelligences
thalassocracies
tie-in-sale
tinea profund
trination
tunnel post
turf sb out
water cleaning system for cargo oil tank
whirlbats
wild-oats
woman chaser
xenolog
yawlsman