能量转化效率是评价农业资源利用效率的一个综合性指标。
Energy change ratio is a synthetical index to evaluate the utilization efficiency of agricultural resources.
但是目前EHD等离子体发生器的能量转化效率仍然很低。
However, until now the converting efficiency of EHD plasma actuator is quite low.
线粒体的功能可以用能量转化速率和能量转化效率来评价。
The coupling of oxidative phosphorylation and rate of mitochondria ATP synthesis could be used for evaluating the function of mitochondria.
分析计算了固态电源各组成部分的运行效率和能量转化效率。
And the operation efficiency and total energy efficiency of each part were calculated and analyzed.
研究了PEMFC的电极过程特性以及对电池能量转化效率和热源的影响。
The characteristics of the electrode process and its effects on energy transfer efficiency and the heat sources of PEMFC were studied.
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。
The results show that the function of the land ecosystem is low, the energy conversion efficiency and the stability is not high.
该团队将尝试探测电子传导的电流并制作基于热电子传导的太阳能电池板，即使其能量转化效率仍然很低。
The team will now attempt to detect the transferred electrons as current and make solar cells that exploit hot electron transfer, even if the efficiency is still low.
质子交换膜燃料电池（PEMFC）具有较高的功率密度和能量转化效率，最有可能成为电动汽车的动力源。
The proton exchange membrane fuel cell (PEMFC) is one of the most promising power sources for future electric vehicles due to it's high power density and energy conversion efficient.
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 principle of the solar chimney power plant systems, analysis on the output power and the energy conversion efficiency of the systems has been presented.
在当今世界，环境污染和能源危机已引起了全球关注，人们越来越重视能量转化效率高的而且环境友好的燃料电池。
Nowadays, environmental pollution and energy crisis has caused global concern. There is a growing attention to efficient energy conversion and environmental friendly fuel cells.
新型的小规模热电联产机组，能够将燃料中大约一半的能量转化为电力，其效率已与大型发电机的效率相若。
New types of tiny combined heat and power plants are able to turn about half the energy in fuel into electricity, almost matching the efficiency of huge generators.
但由于镭射光束是有一单一波长的光组成，它的转化就要比拥有多种光波的太阳能转化成能量效率更高。
But because the laser beam is comprised of a single wavelength of light, the conversion to electricity is much more efficient than converting multiple wavelengths of sunlight to energy.
科学家说此设备将阳光转化为能量的效率可达30%。
The scientists say that their device has a 30 percent efficiency in converting sunlight into power.
科学家们称，如果这些热电子能够在转化成热能浪费掉之前被捕获，光电能量转化可以达到最高66%的效率。
If the energy of these hot electrons could be captured before it is converted into wasted heat, solar-to-electric power-conversion efficiencies could be increased to as high as 66%, say scientists.
结果表明，饲料显著影响刺参的摄食率、排粪率、食物转化效率和表观消化率，因此影响到刺参的生长和能量分配。
Results showed that the diets significantly affected food ingestion rate, feces production rate, food conversion efficiency and apparent digestive ratio, hence the growth and energy budget.
氢是一种十分理想的载能体，它具有能量密度高，热转化效率高，清洁无污染等优点。
As an ideal energy carrier, Hydrogen has advantages of high energy density, high convert efficiency and cleanness.
主反应器中部分炭转化为氢的系统冷煤气效率可达90%，分析揭示了系统中的热集成情况和能量平衡。
The cold gas efficiency is above 90% for the case that only part carbon is converted in the main reactor. The heat integration and energy balance are analyzed and uncovered.
适当降低冷却水温度，增加放电频率也可提高合成过程中的氧转化率、H2O2收率及合成H2O2能量效率。
The increase of discharge frequency and decrease of cooling-water temperature at a certain extent also favored the improvement of O2 conversion, H2O2 yield and energy efficiency.
适当降低冷却水温度，增加放电频率也可提高合成过程中的氧转化率、H2O2收率及合成H2O2能量效率。
The increase of discharge frequency and decrease of cooling-water temperature at a certain extent also favored the improvement of O2 conversion, H2O2 yield and energy efficiency.
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