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- Furthermore, the novel field-orientated control algorithm was achieved by generating phase current references in the three phase stationary frame. 在此基础上,给出一种直接在三相静止坐标系中产生相电流命令的磁场定向控制算法。
- A reversed phase stationary phase of HPLC made by covering a porous copolymer of ethyl-styrene with divinylbenzene on the surface of silica gel is reported. 当代应用最广的HPLC固定相中,硅胶基质填料化学稳定性较低,并且由于残存硅羟基而表现所谓第二效应,特别使碱性化合物的峰形拖尾;
- First, we substitute linear Hall sensor signal for general FOC which can directly produce various phase current commands in three phase stationary frames. 霍尔元件讯号由查表的机制可计算得到马达转子位置,进而能得到转速讯号,以达到速度控制的目的。
- The principle of separating components, the process of the stationary phase and the experiment process were given. 给出了这种固定相对氢、氦组分的分离原理、制作方法和实验过程。
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。
- They have decided to phase in the new techniques. 他们已决定逐步引入新技术。
- The windshield wipers are out of phase now. 挡水玻璃刮水器现在动作不协调。
- METHODS TLC method was applied,the stationary phase was GF_(254). 方法使用薄层色谱法,以硅胶GF254为固定相。
- Methods:TLC method was applied,the stationary phase was GF254. 方法:使用薄层色谱法,以硅胶GF254为固定相。
- A phase or an aspect of a logically developing process. 契机一个按逻辑发展过程的阶段或方面
- The separation of Grob mixtures by calixarene as chromatography phases stationary 环酰胺杯芳烃聚硅氧烷固定相分离Grob试剂的研究
- British Leyland has announced plans to phase out some of its cars next year. 英国雷兰德汽车公司已宣布他们明年将逐步淘汰某些型号的汽车的计划。
- The army plans to phase out the equipment as it becomes obsolete. 军队计划淘汰这些设备,因为它们已经报废了。
- It is proposed that selective intermolecular force can be used as a new parameter for; selecting stationary phase in order to separate the isomer but not the" polarity similarity principle". 本文通过选用十一种具有极性梯度的不同固定液,探讨桂皮酸顺反异构体硅烷醚衍生物分离与选择性分子间引力的关系,并从分子结构的角度来阐述选择相应固定液进行异构体分离的可能性。
- New development of ion chromatography stationary phase was reviewed. 介绍离子色谱固定相的最新研究进展。
- The disease was discovered in an early phase. 病在早期已被发现。
- These two sinusoids are nearly out of phase. 这两个正弦波几乎是反相的。
- What phase of mathematics are you studying now? 你在学习哪一方面的数学?
- Fumigants are pesticides acting in gaseous phase. 熏蒸剂是以气体形式作用的农药。