A tax on upstream carbon sources is one easy way to put a price on carbon emissions, although some countries may wish to use other methods, such as emissions trading schemes.
对上游碳资源征税是为碳排放定价的一种简单方法，尽管一些国家可能希望使用其他方法，例如碳排放交易计划。
The supply of carbon credits comes principally from two sources.
碳信用的供给主要有两个来源。
And if cars switch from oil to electricity, the demand for power generated from carbon-free sources will increase still further.
如果汽车由石油驱动改为电驱动的话，对于碳素燃料所产生的电能的需求将会增长许多。
Environmentalists, on the other hand, blasted Obama's announcement, saying it was a step in the wrong direction and that the United States needed a quicker transition to carbon-free sources of energy.
而另一方面，环境保护主义者更是对奥巴马的决定进行轰炸，指出其努力方向是错误的。美国急需的是迅速转向无碳能源的开发。
Novomer prioritizes carbon sources based on purity and concentration of CO2.
Novomer公司更看重纯净度更高的碳来源以及集中于二氧化碳上。
Most of the price hikes are a consequence of rising energy costs, in part because coal and gas are replaced by more expensive low-carbon sources.
价格上涨是由于能源成本上涨的结果，部分原因是煤和天然气被较昂贵的低碳能源所取代。
Despite the upfront costs, proponents say offshore wind power is worthit if it can reduce the reliance on carbon-intensive sources ofelectricity like coal.
虽然有前期成本，但支持者表示，如果能减少对煤电之类碳密集型电力资源的依赖，海上风力发电依然有价值。
To meet this goal, industries will have to slash fossil fuel consumption, and low-carbon power sources will have to massively expand.
为了实现这个目标，工业将不得不削减化石燃料的消耗，大规模使用低碳能源。
Zoellick told ministers of the East African Community in Kigali to get ready to tap into the money that will be set aside by rich nations for low carbon energy sources.
佐利克在基加利呼吁东欧共同体国家部长做好准备，以利用发达国家为开发低碳能源而安排的资金。
In the push to tackle climate change, most attention is devoted to ditching fossil fuels for low-carbon power sources.
在推动应对气候变化的行动中，大多致力于放弃化石燃料而寻求低碳能源。
The study on treatment contain other carbon sources of hydroxyl benzene wastewater has certain significance.
该研究对处理含有其它碳源的含酚废水具有一定的意义。
Myth 4: nuclear power is cheaper than other low-carbon sources of electricity
谬论四：核能比其他低碳电力资源更廉价
The PHBH resin is derived from carbon sources such as sucrose, fatty acids or molasses via a fermentation process.
该PHBH树脂是来自碳来源，如蔗糖，通过发酵过程脂肪酸或糖蜜。
The variation of denitrification potential and denitrification rate after addition of external carbon sources through SBR reactor intermittent test was studied.
通过SBR反应器间歇试验，研究了投加外碳源后系统的反硝化潜力和反硝化速率的变化。
The more suitable carbon sources for mycelial growth in liquid medium (mycelial dry weight) were fructose and maltose.
液体培养时，以果糖为碳源时菌丝干重值最大，麦芽糖次之。
A complete aerobic denitrification function can take place when there are enough degradable organic carbon sources.
当存在足够的易降解有机碳源时，能发生完全的好氧反硝化作用。
Soluble hexoses (fructose and glucose), not starch and sucrose, were the major carbon sources for nocturnal malate accumulation in the chlorenchyma.
可溶性已糖（葡萄糖和果糖）是绿色组织中夜间苹果酸累积的主要碳源。
Glycerol and commercial sugar as carbon sources could contribute to the synthesis of free radical scavenger.
混合碳源试验结果表明，蔗糖与甘油搭配，有利于自由基清除剂产量的提高。
The decomposition of litters is important to the nutrient cycling of the ecosystems and also is the one of the carbon sources of the ecosystems.
土壤凋落物的分解不仅是生态系统养分循环的重要环节，也是生态系统碳释放源之一。
Effects of various carbon sources and nitrogen sources on production of xylanase and protease by strain WL-11 were studied.
结果表明，碳源对WL-11木聚糖酶的合成具有诱导或抑制作用，对其蛋白酶的合成影响并不显著；
The results showed that different carbon sources could affect the isolate toxigenicity significantly.
结果表明：不同碳源对菌株产毒性影响显著。
The effects of extracellular carbon sources and intracellular storage polymer utilization on the simultaneous nitrification and denitrification (SND) in aerobic granular sludge have been researched.
研究了好氧颗粒污泥利用外源碳源和胞内储存物质对同步硝化反硝化（SND）的影响。
Carbon nanospheres were synthesized by an inorganic chemical reaction with calcium carbide and chloroform as carbon sources in a sealed autoclave.
以碳化钙和四氯化碳为碳源，反应物通过无机化学反应在密封高压釜中制备了纳米碳球。
Carbon nanospheres were synthesized by an inorganic chemical reaction with calcium carbide and chloroform as carbon sources in a sealed autoclave.
以碳化钙和四氯化碳为碳源，反应物通过无机化学反应在密封高压釜中制备了纳米碳球。
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