At last , we also make some analysis on the ullage of energy of the system 最后我们还对耦合系统的能量损耗进行了分析
3.
Safety height of ullage 油面安全高度
4.
An intelligence pressurization technology of high pressure and small ullage at low temperature tank 小气枕低温贮箱智能增压技术
5.
Ships - ullage holes 船舶.漏损洞
6.
And experiment was based on the simulation , the results show that charge circuit and uplifted circuit both was adopted the same circuit , which can realize energy bi - directional flow , also have low switch ullage and high dynamic response 在此基础上进行了实验研究，仿真和实验结果表明，该装置升压和降压只采用同一个主电路，即可实现能量的双向流动，且具有低开关损耗和较高的动态响应。
7.
Zmd catena of self inhale magnetic force pumps adopt structure of electrical engine direct link form , by centernog prop up , the structure is tightly , teardown and maintenance is convenient , adopt high - powered magnetism stuff nd fe boron to make inside and outside magnet . isolationsheath assembled make of import nonmetallic material , avoid magnetism backset ullage of the run - of - mill pumps have drastically Zmd系列自吸磁力泵采用电机直联式结构，由中间支架支撑，结构紧凑，拆卸维护方便，采用高性能磁性材料“钕铁硼”制造内外磁体，隔离套采用进口非金属材料，彻底消除了一般磁力泵具有的磁涡流损耗，可输送高浓度，密度大于1 . 84 t m
8.
A novel bi - directional dc / dc converter was introduced in the dissertation , which based on refer much converter data . the soft switching , phase - shifted pwm and bi - directional dc / dc converter hang together , depress circuit switch ullage and noise effectively , which provide condition to increase switch frequency , efficiency and reduce size and weight for the converter ; at the same , the converter have the virtue of structure compact , voltage and current stress small etc such as ordinary hard switch converter 本文作者在查阅国内外大量双向dc dc变换器资料的基础上，采用一种新型双向dc dc变换器的拓扑结构，把软开关技术和移相控制pwm技术以及双向dc dc变换器技术有机结合在一起，有效地降低了电路的开关损耗和开关噪声，为变换器装置提高开关频率、效率以及降低尺寸及重量提供了良好的条件。
9.
To improve the capability of the bearing - less slice permanent motor , to reduce the ullage of the motor and the badly additive torque , i design optimization the structure of the rotor pm , and two projects are proposed . one is four pieces rotor pm which is the same magnetized and the other is eight pieces rotor pm which is different magnetized direction 为了进一步改善片状无轴承永磁电机的动态性能,减小电机的损耗及有害的附加转矩,优化设计了转子永磁贴片的结构,提出了四片同向充磁和八片正反向充磁两种方案。
