The second source of carbon dioxide lies outside Europe.
第二个二氧化碳的来源在欧洲之外。
Energy consumption is the main source of carbon emissions.
能源消费是碳排放的主要来源。
Tropical fires are, nevertheless, a significant source of carbon dioxide.
森林大火仍是二氧化碳的重要来源。
There could also be good news for transport, the next biggest source of carbon emissions.
对于运输—二氧化碳排放的第二大来源，也是好消息。
A second source of carbon monoxide is Alberta, Canada, where large wildfires are burning.
另一个一氧化碳污染源在加拿大阿尔伯塔省，那儿正燃烧着熊熊大火。
Steel is an alloy of iron and carbon. Coking coal is a source of carbon in the smelting process.
钢是铁与碳的合金，焦煤便是熔炼过程中碳的来源。
Methyl formate becomes more and more important as a new source of carbon in the carbonyl synthesis.
甲酸甲酯作为新的碳源，在羰基合成化学中的作用越来越受到重视。
As the car depending so heavily on fossil fuels, it is a major source of carbon dioxide that causes global warming.
由于汽车对化石燃料的严重依赖，汽车尾气正成为导致全球气候变暖的二氧化碳的主要来源。
The atmosphere is a rich source of carbon dioxide, as millions of tons of this gas settle into the ocean every year.
大气中富含二氧化碳，而每年从大气沉降到海洋中的二氧化碳多达数百万吨。
Australians ever since have enjoyed cheap power from this dirty source of carbon-dioxide, the main culprit of global warming.
自此澳大利亚人就利用这种产生大量二氧化碳的燃料获取廉价能源，而二氧化碳恰恰是全球变暖的罪魁祸首。
Power generating plants are the single largest source of carbon dioxide (CO2), a greenhouse gas that traps heat and makes the planet warmer.
发电厂是二氧化碳(CO2)最大的来源，而CO2是一种温室气体能够捕获热量并使全球气候变暖。
This always surprises people, but the global food production system is a really important source of carbon dioxide and other greenhouse gases.
这说来总是令人诧异，但事实上，全球的食物生产是二氧化碳及其他温室气体排放的一个重要来源。
More than 37% of the world's land is used for agriculture, much of it ground that was once forested--and deforestation is a major source of carbon.
全世界超过37%的土地是农田，而其中很大一部分原来是森林，森林的砍伐成为碳源增加的一个主要原因。
The conversion would turn a profit, but the conversion itself, even before the fuel is used, can be a major source of carbon dioxide emissions.
这种燃料的转化将会使得公司转亏为盈，但转化本身即使是在燃料使用之前都是二氧化碳排放的主要来源。
Forest management is seen as key to the climate talks because it is the biggest source of carbon credits and the biggest potential source of mitigation.
森林管理办法被看作是气候对话的关键，因为林木是碳信用额度的最大来源，在缓和气候变化方面的潜力也是最大的。
Conclusion: Sucrose, selected as source of carbon is more favored for the callus growth and the synthesis of saponins than glucose and maltose are.
结论蔗糖作为碳源最有利于黄芪愈伤组织生长和黄芪黄酮的生物合成。
The biological oils are preferably produced by heterotrophic fermentation of one or more microorganisms using cellulose-containing feedstock as a main source of carbon.
生物油优选采用含纤维素作为主要的碳源的原料，由一种或多种微生物经异养发酵进行制备。
Biomass biomass boiler precipitator fuel is a renewable source of carbon, with great production, wide distribution, low sulfur, low nitrogen, fast growth, low carbon dioxide emissions.
生物质锅炉除尘器生物质燃料是可再生的碳源，具产量巨大、分布广泛、低硫、低氮、生长快、二氧化碳排放低的特点。
Land use change is still a major source of carbon dynamics emission due to burning and cultivation, which caused to decline soil organic carbon contents in soils and degrade soil quality.
因烧垦而引起的土地利用变化仍然是碳素释放的主要来源，从而导致了土壤有机碳含量下降和土壤质量退化。
Different forms of carbon isotope values reflect the changes of carbon in the river between the karst areas and the non-karst areas, which provides a foundation to study the source of carbon.
不同形态的碳同位素值反映了岩溶区和非岩溶区河流中碳的变化，为研究碳的来源提供了一定的依据。
The results were summarized as follows: One bacterial strain capable of utilizing carbendazim as sole source of carbon and energy was isolated from soil sample, Huajiachi campus, Zhejiang University.
主要研究结果如下：从浙江大学华家池校区土壤筛选到一株能够以多菌灵作为唯一碳源和能源进行生长的细菌。
Such an environment would have to contain the basic ingredients of life — including water, organic carbon and a source of energy to sustain the microbes' metabolism.
这样的火星环境也许包含了一些基本的生命要素——包括水，有机碳和维持微生物新陈代谢的能量源。
Dust is a major source of iron, which is vital for plankton and other organisms that draw carbon out of the atmosphere.
灰尘是铁的主要来源。而铁对于浮游生物和有机物来释放二氧化碳是至关重要的。
The discovery reverses what was thought of as a carbon sink into a carbon source.
相反那些被发现的碳类物质进入到地下使碳汇变成碳源。
Carbon dioxide is a source of plant food.
二氧化碳是植物食物的来源。
The most obvious source of extra cash is the carbon market, or preferably a carbon tax.
最明显的筹集额外款项的地方是碳市场。或者还有更好的方法，即征收碳税。
Cutting that source of black carbon could help reduce the estimated 1.5 million premature deaths per year attributed to biofuel soot, Jacobson said.
减少这种黑碳来源有助于减少由于生物燃料烟尘导致的每年大约150万过早死亡，雅各布森说。
Cutting that source of black carbon could help reduce the estimated 1.5 million premature deaths per year attributed to biofuel soot, Jacobson said.
减少这种黑碳来源有助于减少由于生物燃料烟尘导致的每年大约150万过早死亡，雅各布森说。
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