It is often and protein and mineral elements, forming complexes and influence both availability, reduce use efficiency.

它常与蛋白质和矿物质元素形成复合物，而影响二者的可利用性，降低利用效率。

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Increased energy efficiency and the use of renewable energy would provide a roadmap to reduce fossil fuel demand, thereby reducing CO2 emissions from the largest us source: Electrical Power Plants.

提高能源的利用效率和使用可再生能源将提供一个可以减少化石燃料需求的路线图，从而来自美国最大能源公司：electrical Power Plants的二氧化碳排放。

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With the continuous use of humidifier, evaporator core (browser) will continue to reduce the efficiency, capacity humidification also been declining.

随着加湿器的不断使用，蒸发芯（器）的效率会不断降低，加湿量也随之不断下降。

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Of the six sectors needing transformation to increase efficiency and reduce oil use -- cars, trucks, planes, fuels, finance and military -- three or four are near or past their tipping point and starting to get easier.

CNN: Freeing America from its addiction to oil

Existing techniques and technologies in energy efficiency retrofitting can reduce energy use by up to 40 percent per home and lower total associated greenhouse gas emissions by up to 160 million metric tons annually.

WHITEHOUSE: THE WHITE HOUSE

It says the way to reduce paper use lies in cutting consumption in industrialised countries, improving papermaking efficiency, and using more recycled paper and materials other than wood in manufacture.

BBC: Half paper waste 'could be saved'