通过实验，分析了菲涅尔透镜在提高太阳能利用率时的各种损失因素。
Various loss factors which may occur when the Fresnel lens is used to improve the utilization of solar energy are analyzed experimentally.
提高太阳能发电系统的太阳能利用率、降低发电系统建造成本是太阳能应用领域面临的两个主要难题。
How to improve the utilization of solar power station and how to reduce the costs are the two major problems.
太阳能电池板的平均利用率还不到12%，风电的利用率也就是23%。
The average capacity factor for solar-generating arrays is no more than 12%, while wind farms manage around 23%.
但是太阳能具有间歇性和不稳定性的特点，必须使用蓄热材料来提高太阳能的利用率、降低使用成本。
But the solar energy has intermittent and instability characteristics, so the heat storage material must be used to improve the utilization of solar energy to reduce the cost.
全玻璃真空太阳集热管内外玻璃管夹层间真空度的保持情况对有效降低热损、提高太阳能的利用率、延长集热管的寿命都有至关重要的作用。
The vacuum degree between the inner and cover glass tubes plays a very important role in heat loss and the life time of all-glass evacuated collector tube.
具有该膜层的太阳能电池能够减少入射光在基板表面的损耗，从而提高光利用率和光电转换效 率。
The solar cell provided with the film layer can reduce the loss of incident light on the substrate surface, thus improving light utilization and photoelectric conversion efficiency.
具有该膜层的太阳能电池能够减少入射光在基板表面的损耗，从而提高光利用率和光电转换效 率。
The solar cell provided with the film layer can reduce the loss of incident light on the substrate surface, thus improving light utilization and photoelectric conversion efficiency.
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