Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.
可再生能源只占全球主要能源消耗的一小部分，化石能源仍然占主导地位——煤炭和石油各占30%，天然气占25%。
Natural gas is clean primary energy.
天然气是清洁的一次能源。
In China, coal is taken as the key primary energy.
我国是一次能源以煤为主的国家。
Energy can be divided into primary energy and secondary energy.
能源可分为初级能源及次级能源。
National primary energy production reached 1.34 billion tons of standard coal.
一级能源生产达到13.4亿吨标准煤。
Japan still imports 82% of its primary energy, down only five percentage points in 35 years.
日本主要能源的82%仍要进口，在35年里，只下降了5个百分点。
The coal, the petroleum and the natural gas are primary energy mineral resources in Shaanxi.
煤炭、石油和天然气是陕西的主要能源矿产资源。
The proportion of commercial renewable energy to the structure of primary energy keeps rising.
商品化可再生能源量在一次能源结构中的比例逐步提高。
And he said: Coal will continue to be one of the world's primary energy sources for the next 50 years.
和他说：煤炭将继续成为一个世界上主要的能源来源，为未来的50年。
Because eating frequent meals prevents dips in blood glucose, the primary energy source for the brain.
因为多餐制可以预防血糖下降，血糖是大脑原始能量的提供者。
The OECD consumed less primary energy last year than 10 years ago, although GDP since then has risen by 18%.
OECD去年消耗的一次能源比10年前更少，尽管其GDP从那时起已经增长了18%。
It is stated that the primary energy efficiency of DFAC is higher than ASHP under the rating condition.
指出在额定工况下，直燃机一次能效率要高于风冷热泵。
The results show, when heating, the primary energy ratio of GEHP is 1.76 and exergy efficiency is 29.12%.
结果表明：燃气机热泵在供热时的一次能源利用率为1.76，(火用)效率为29.12%。
Natural gas, as a clean primary energy, has been becoming more and more important in the national economy.
天然气作为一种清洁能源，在世界一次能源消费构成中的比例不断增长。
Oil is primarily used as fuel oil and gasoline, which make up one of the world's most important primary energy.
石油主要被用来作为燃油和汽油，燃料油和汽油组成世界上最重要的一次能源之一。
The author calculated the carbon emission of the primary energy consumption of Henan province from 1978 to 2009.
笔者计算了1978年- 2009年河南省一次能源消耗的碳排放量。
Primary energy efficiency and impact on environment of different cold sources have been compared in this article.
本文对不同冷源的一次能源利用效率进行了比较，并且比较了它们对环境影响的情况。
One is the life-cycle primary energy balance, or how much net energy the facility would provide over its lifetime.
其中一个能量指标就是生命周期的主要能量余额，或者说是设备将会在使用期内提供多少净能量。
The International energy Agency points out that global primary energy demand could rise by another 50 per cent by 2035.
国际能源机构(International Energy Agency)指出，到2035年，全球初级能源需求可能还会再增长50%。
The primary energy consumption of a DSHS with a coal-fired boiler supplement source is compared with that of a WSHP.
进而对以燃煤锅炉为辅助热源的太阳能直接供暖系统与水源热泵的一次能源消耗进行了对比分析。
As one of the world's primary energy suppliers, Canada plays a pivotal role in promoting a positive outcome in Copenhagen.
作为世界上一个主要的能源供应国，加拿大在促成根本哈根会议取得积极进展上扮演关键的角色。
True, "renewables" contribute 8 per cent of primary energy in the US, nearly as much as nuclear, but read the fine print.
诚然，在美国的一级能源中，“可再生能源”的占比达到8%，与核能相近。但是请看看细节。
Based on the climate and energy price in Shanghai, gas engine driven heat pump can save about 23% primary energy and 11.3% running cost.
根据上海地区的气候条件和能源价格，燃气机热泵比电动热泵能节约至少23%的一次能源和11.3%的运行费用。
Results of the first law thermodynamics analysis, exergy analysis and energy grade theory show that the primary energy ratio of GEHP is 1.
对燃气机热泵的热力学第一定律、分析和能级平衡理论分析结果表明：其一次能源利用率可达1。
WORLDWIDE demand for primary energy will increase by 36% between 2008 and 2035, according to the International energy Agency's latest forecasts.
根据国际能源机构最近预测，从2008年到2035年，世界对主要能源的需求将增加36%。
The technology of combined cold, heat and power (CCHP) could improve primary energy utilization efficiency, and reduce environmental pollution.
冷热电联产(CCHP)技术可提高一次能源的利用率，降低环境污染。
The technology of combined cold, heat and power (CCHP) could improve primary energy utilization efficiency, and reduce environmental pollution.
冷热电联产(CCHP)技术可提高一次能源的利用率，降低环境污染。
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