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- The lighting power density (LPD)of general lighting in room or place is taken as the criterion of energy efficient lighting. 针对冶炼厂电解铜车间照明存在的问题,提出了照明节能改造的必要性和改造方案,并分析了节能效益。
- the confirmation of the illuminance standard and lighting power density(LPD); 合理确定照度标准及照明功率密度值;
- energy-saving; illuminance standard; lighting power density（LPD）; obtrusive light; 关键词：节能;照度标准;照明功率密度值;光污染;
- lighting power density 照明功率密度
- IES Guidelines for Unit Power Density(UPD) for New Roadway Lighting Installation：1990. 高效率照明技术开发四年计画，经济部能源局。
- Average linear power density in the core is 161W/cm. 堆芯平均线功率密度为161W/cm;
- On the other hand, porous silicon with silica gel can emit blue light afterirradiated by laser with given power density. 采用一定功率密度的激光处理覆盖有二氧化硅凝胶的多孔硅的方法,获得了在不影响其机械强度的前提下的多孔硅的蓝光发射。
- We should make good use of light power, which is renewable. 我们要充分利用光能这个可再生资源。
- A power density 1207 W/kg was obtained with an energy density of 5.7 Wh/kg. 3. 在功率密度为1207 W/kg 时;其能量密度为5.;7 Wh/kg。
- The main problems for MFC are low electron transfer and power density. 当前MFC技术的主要限制因素是电池输出功率低。
- How to Make Time Delayed Switch to Supply Sufficienly Lighting Power? 怎样使延时自熄开关向照明灯供电充足些?
- The results indicate that it can obtain the laser beam with less spot and more power density, which could use in LM. 结果表明，经过这种传输变换后可获得光斑直径较小的、功率密度较高的、可用于激光加工的激光束。
- In recent years, high power density beam powder surfacing techniques have been developing rapidly,such as plasma arc surfacing,electron beam surfacing,laser surfacing and focusing light surfacing. 近年来,高能束粉末堆焊技术凭借其特有的优势得到了迅速的发展。
- The power density spectra and cross spectra of PCA/RXTE data of Cir X-1 in different observational periods are studied. 利用 RXTE在不同时期的观测数据 ;分析了 Cir X-1功率密度谱和交叉谱 .
- This paper mainly research on the heat and cooling of the high power density induction motor. 重点研究该高功率密度电机的发热与冷却问题。
- However, there exit three key problems in their applications, which are power density, EMC, and cost. 但是双向DC-DC功率变换器要在电动汽车、航天等许多应用场合获得实际应用仍面临三大问题，即双向DC-DC功率变换器的功率密度、电磁兼容性和成本问题。
- He has a bicycle with lights powered by a dynamo. 他自行车上的灯由发电机提供能源。
- The Eelctromagnetic Field and Power Density Vectors on Spheres in Near to Far Field from Time Harmonic Currents. 弦变电流源在近场至远场球面上之向量电磁场及向量功率密度。
- The light power of the composite system is equal to the ratio of the two single light power's. 组合系统的光力则为两个单个光力之比。
- Brushless DC motor of high speed and high power density is the key in the system. 为解决无刷直流电动机设计中的非线性优化问题，提出了使用遗传演算法进行优化设计。
