most of the quantum cutting systems hitherto is fluoride, which have no practical value due to their low stability, low absorbability and low energy conversion efficiency under vuv exciting.
科学家们已经证实的量子剪裁体系多为氟化物，由于它们在vuv下的不稳定性和氟化物的活性，以及氟化物基质在vuv波段的弱吸收、能量转换效率低，所以没有实际应用价值。
so it is necessary to stock more direct-feeding species and apply much supplementary feed in order to achieve higher energy conversion efficiency and fish production.
为提高池塘的能量转换效率和鱼产量，必须增加「直食性」鱼类的放养量、减少「滤食性」鱼类的放养量。
improving the traditional tracking control circuit and power combination to improve the system's energy conversion efficiency about 7 to 10 percentage points, with high stability.
改进传统的控制电路与功率跟蹤相结合，提高系统的能量转换效率7到10个百分点，具有较高的稳定性。
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%。
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。
with the increment of operation temperature, the maximal energy conversion efficiency and optimal loaded resistor will be changed.
随着电池温度的增加，光伏系统中的最大能量转换效率和最佳的负载电阻也将随之改变。
using the tio2 electrode prepared, we have photoelectrolyzed water by sunlight with an energy conversion efficiency of 1.2%.
用制得的电极在日光下分解水制氢，能量转换效率为1.2％。
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）。
energy conversion efficiency testing conducted according to european standard en 50530 yielded a very high efficiency grade of 98.7%.
根据欧洲标準en50530能源转换效率测试显示，该逆变器的转换效率高达98.7%。
fuel cell power was considered as the first choice power generation technology in 21st century because of its high energy conversion efficiency and lower pollution.
燃料电池发电因其具有高的能量转换效率、无污染等优点，被认为是21世纪首选的洁凈、高效的发电技术。
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。
based on the potentials of energy utilization and the state of energy flow, measures for raising energy conversion efficiency have been put forward.
据此提出了提高康集生态农场能量利用效率的调控措施。
with the development of the solar cell technology and semiconductor refrigeration technology, solar energy conversion efficiency and cooling efficiency of the semiconductor have been greatly improved.
随着太阳能电池技术和半导体制冷技术的发展，太阳能光电转换效率及半导体制冷效率都有了很大的提高。
it is found that both the momentum coupling efficiency and the overall energy conversion efficiency from light energy to kinetic energy are greater for shorter laser pulses.
实验测得的动量耦合系数和能量转换效率均随脉沖宽度的减小而增大。
final ly, the overall energy conversion efficiency of dssc with pani50%(in weight) acetylene black electrolyte is 48% of that of liquid dssc.
最后，加入50％乙炔黑的聚苯胺电 解质的电池光电转换效率达到了液态电池的48％。
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。
the results of simulation show that the output power and energy conversion efficiency of the said chimney increase along with increasing the area of heat-collecting shed and the height of the chimney.
数值模拟结果表明，太阳能烟囱的输出功率及能量转换效率随集热棚面积和烟囱高度的增加而增加。
however, how to reduce its cost and improve its energy conversion efficiency is the most important issue in pv industry.
降低成本和提高转换效率是目前光伏行业迫切需要解决的问题。
the results show that the function of the land ecosystem is low, the energy conversion efficiency and the stability is not high.
结果表明，该县土地生态系统功能低下，系统的能量转化效率及稳定性较低。
however, the electro-optical energy conversion efficiency of dssc is still less than 10% now, which falls behind large-scale industrial production.
但目前dssc的光电能量转换效率仍然不到10%，还远没有达到大规模工业化生产的地步。