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- noise spectral power density 噪声功率频谱密度
- spectral power density 光谱功率密度
- maximum spectral power density 最大功率频谱密度
- Average linear power density in the core is 161W/cm. 堆芯平均线功率密度为161W/cm;
- 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。
- Illuminant: A body that gives out light of a definite colour temperature or spectral power distribution. 照明体:发出一定色温或光谱强度分布的光的物体。
- Illuminant A body that gives out light of a definite colour temperature or spectral power distribution. See Light source. 发出一定色温或光谱强度分布的光的物体。参阅光源。
- 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。
- 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。
- 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。
- 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。
- 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。
- It is emphasized that the main characteristic of explosion is high power density. 摘要综述爆炸的含意，强调高功率密度是爆炸的主要特征。
- Moreover, in the same power density, different frequency correspond to different luminous intensity. 同一功率密度条件下，不同超声频率发光强度不同。
- Since the early 1990's, GRAFCELL technology has played a critical role in improving fuel cell power density and performance. 在九十年代以来,GRAFCELL技术在改进燃料电池能量密度和性能方面扮演了重要角色。
- This allows the power density to be increased with a 12-V rail voltage topology in ac or dc switchmode power supplies requiring redundant circuitry. 在需要冗余电路的交流或直流开关模式电源中,这可实现通过12V的轨电压拓扑结构增加功率密度。
- Ultrasonic motor is a new type direct drive motor emerging with the development of high power density piezoelectric materials. 超声电动机是随着高功率密度压电材料的发展而出现的一种新型直接驱动电机。
