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power density造句
1. The motor possess characteristically high power density and the gap magnetic field closes to square waveform. 2. The power density is about a factor of ten lower than in the light water reactor. 3. On the basis of carrier noise power density rate (C/N0) of GPS receiver, it analyzed the influence of suppressed jamming to carrier phase measuring accuracy of GPS receiver. 4. Soft-switching technique can help improve the efficiency and power density of the converter by reducing switching losses. 5. This equivalent computation method of noise power density has a good instructional meaning to noise analysis and proper system modeling of RF receivers. 6. They achieve a significantly higher power density than standard medium wave heaters. 7. In order to increase the irradiation power density of local view point, the low loss Teflon microwave lens focusing energy of microwave is used near the irradiating horn. 8. This paper also studied the influence of acoustic power density, temperature and other parameters on the ultrasonic cleaning through experiment. 9. It is clear that the average power density increases drastically with altitude. 10. Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment. 11. Methods: The peak power density of microwave field was measured and monitored using diode detection technique. 12. While burning power density is weak, hole depth will be exponentially dependent on burning time. 13. With the rapid development of the power electronics technology, control processor and control theories, the high quality and high power density switch mode power supplies begin to be used widely. 14. In order to reduce the volume and achieve high power density, frequency should be applied. 15. According to the optimization of the machine and load, this paper designs the gearless permanent magnetic synchronous machine of high efficiency and power density. 16. The level of minor lobes is usually expressed as a ratio of the power density in the lobe in question to that of the major lobe. 17. We have derived the formulas of harmonic spontaneous emission power density, small signal gain of this undulator FEL and the coupling coefficients between the electrons and the radiation field. 18. The changes of peak pressure depending on the laser power density were studied. 19. However, the temperature rise in SRM is serious because of its high power density, small radiate area in concentrated winding and high heat loading. 20. Proton membrane fuel cell(PEMFC) with its advantages such as high power density, rapid start and pollution-free becomes the first-selected clean energy system in 21st century. 21. Benefiting from the absence of the exciting current and the excitation loss, the efficiency and the power density have increased. 22. With the absence of the exciting current losses, the power density and the efficiency have been increased correspondingly. 23. Consequently, the metal interconnects of VLSI have smaller sectional area and carry increasing power density, which made the electromigration become one of the main latent damage modes. 24. However, there exit three key problems in their applications, which are power density, EMC, and cost. 25. The advanced photon source, especially the synchrotron radiation photon exited from undulator is equipped with extremely high power density. 26. This paper mainly research on the heat and cooling of the high power density induction motor. 27. Mode conversion efficiency has been calculated as functions of acoustic frequency, interaction length, guiding layer thickness, and acoustic drive power density. 28. High - speed generators have benefits such as high power density, small volume, high efficiency and so on. 29. Affected by electromagnetism and structure, the rotor shaft of big length to diameter ratio high power density asynchronous motor shows low intensity and bad rigidity. 30. Direct alcohol fuel cells have gained amount of attentions within the last years due to its high power density, simple operation, and portability.