But solar energy photovoltaic power cost is high and its conversion efficiency is low.
但太阳能光伏发电存在成本较高和能量转化效率较低的问题。
Some factors effects on energy conversion efficiency have been analyzed, which give some support for the next application and development of solar chimney.
对影响整个太阳能热转换效率的几个因素进行了研究分析，为下一步太阳能烟囱技术的进一步推广应用打下基础。
A volume phase and off-axis holographic Fresnel lenses was developed for matching the corresponding solar cells with different band gaps. The conversion efficiency of energy increased by two times.
用激光制作了离轴体积位相全息菲涅耳透镜，并把它们和相应的具有不同能带隙的太阳电池匹配，其能量转换效率提高了两倍。
The invention relates to a supermolecule type organic solar battery material and a preparation method thereof, and provides a new way for enhancing energy conversion efficiency.
超分子型有机太阳能电池材料及其制备方法为提高能量转换效率提供一种新的途径。
As a major way of solar power generation, whether solar photovoltaic power generation can improve the photoelectric conversion efficiency, cost-effective use of solar energy is a priority to resolve.
作为太阳能发电的主要的发电方式，太阳能光伏发电能否提高光电转换效率、经济高效地利用太阳能是首先要解决的问题。
Based on the principle of the solar chimney power plant systems, analysis on the output power and the energy conversion efficiency of the systems has been presented.
研究了“水花生和麦麸—黄粉虫—鳝鱼”食物链各个环节的物质能量转化效率以及整条食物链的物质流和能量流。
It could absorb solar energy and improve the efficiency of solar energy photothermal conversion.
在太阳能热利用中，它能把太阳能富集起来，提高太阳能光热转换效率。
Polycrystalline silicon solar energy cell, low cost, the highest conversion efficiency is 18% in the lab, is 12% in the industrial production.
多晶硅太阳能电池，成本低廉，其实验室最高转换效率为18%，工业规模生产的转换效率为12%。
The invention provides an up-conversion luminescent material used for improving the energy conversion efficiency of a silicon-based solar battery and a preparation method thereof.
本发明提供了一种可用于提高硅基太阳能电池能量转换效率的上转换发光材料及其制备方法。
Combining the characteristic of the high energy conversion efficiency of a flexible thin film solar battery, the invention lays the flexible thin film solar battery (6) on the wing (4).
本发明结合柔性薄膜太阳能电池具有高能量转换效率的特点，在机翼(4)上铺设柔性薄膜太阳能电池(6)。
The thin film of the invention is provided with wider energy band gap, and solar cells provided with the thin film can significantly improve the photoelectric conversion efficiency and stability.
本发明的薄膜具有更宽的能带隙，具有这种薄膜的太阳能电池能够显著提高光电转换效率和稳定性。
The measured solar-to-fuel energy conversion efficiency — defined as the heating value of the fuel produced divided by the solar radiative power input — reached 0.8 per cent.
测量的太阳能与燃料转换效率（产生的燃料加热值与太阳辐射输入功率之比）达到 0.8%。
High conversion efficiency, have 85% with the fluorescent lamp. Save the cost of solar and wind energy.
高转换效率，在带日光灯负载情况下，可达85%的转换效率，节省了太阳能、风能的投入。
High conversion efficiency, have 85% with the fluorescent lamp. Save the cost of solar and wind energy.
高转换效率，在带日光灯负载情况下，可达85%的转换效率，节省了太阳能、风能的投入。
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