| 1. | What is an efficient way to inject spin - polarized currents , or spin currents , into a semiconductor
如何有效地将自旋偏极化电流注入半导体内？ |
| 2. | One solution employs a ferromagnetic metal to inject a spin - polarized current into a semiconductor
解决这种问题的办法是，利用铁磁金属将自旋偏极化的电流注入半导体内。 |
| 3. | Simultaneously , the big current needed for lasing also can pass through an organic thin film , showed by an experiment
在薄膜中也证明可以实现发射激光所需的大电流注入。 |
| 4. | Bci road vehicles - component test methods for electrical disturbances from narrowband radiated electromagnetic energy - bulk current injection
道路车辆.窄带辐射电磁能量产生的电干扰用部件试验方法.大容量电流注入 |
| 5. | The converters of the hvdc system yield harmonic voltages and currents because of its non - linearity . when the harmonic currents inject the ac and dc systems connected to the converters , they will do harm to the systems
高压直流输电系统中的换流站由于自身的非线性，换流站将产生谐波电压和电流注入它连接的交流系统和直流系统。 |
| 6. | In this amplifying way , lasing was firstly realized in an organic emitting diode in the area . the gain region was produced by light pumping through ito side of the sample , and electrical injection was also applied
按这种增益方式，在此领域首次在有机电致发光二极管结构中实现了受激发射，增益区的形成主要依靠通过ito一侧的光泵浦，也配合了电流注入。 |
| 7. | 3 using current injecting frequency modulation method and modulating sine wave around the resonator point , the lock - in phenomena is observed in a comparatively short period of time . this has achieved the basic goal for a closed loop r - fog
3 、采用电流注入法，在谐振点附近进行正弦调制，实现了对谐振点的短时间锁定，达到了闭环光纤陀螺设计的首要基本要求。 |
| 8. | The jacobin matrix and its elements for differential - algebraic equation simultaneous solution with newton method are formed . the network injection current and its partial differential coefficient are also derived . so , the basic calculation formulas for the full dynandc simulation are established
导出了牛顿法联立求解微分方程组和代数方程组的雅可比矩阵，以及雅可比矩阵各元素的计算公式；导出了网络方程中电流注入量及偏导数的计算公式。 |
| 9. | The second part is a detector which is used to detect the distribution of voltage on the patient ' s brain surface from all different directions . the third is a mixed signal processor ( c8051f020 ) which is used to control the other parts of the system and display some necessary information and convert the voltage signals into digital signals , as well as transmit the acquired data to the computer . the fourth is computer with eit software which is used to analyze and process the received data and construct a picture for the brain edema and haematoma on screen
32通道电阻抗断层成像系统由4个部分组成：第一部分是正弦波恒流源，用来产生注入大脑的激励电流；第二部分是电位信号的提取与转换，用来提取当激励电流注入时，在大脑表面形成的电位分布信号；第三部分是数据采集与控制系统，用来控制激励电流的频率，注入方向，注入强度，控制采集大脑表面的电位分布信号，并且将这些采集的电位分布数据传到pc机；第四部分是计算机eit成像软件，用来接收下位机的电位分布数据，并且对这些数据进行分析计算，重建电阻抗图像。 |
| 10. | It was difficult to measure the load voltage directly between inner and outer conductor of cable induced by shield current under low flux x ray . this paper introduces a measurement , pouring a current , which was same as cable approximately photocurrent in x ray test , into the shield of cable with a triocoaxial system , and the load voltage was got . finally the measured result of typical cable and comparison with the calculation was given with a special load
在简要介绍屏蔽电缆的转移阻抗和转移导纳耦合的基础上,描述了利用三同轴系统对双电缆和等效负载组成的电缆系统进行电流注入,模拟电缆屏蔽层发射电流,测量芯线等效负载感应信号的实验,给出实验结果及分析,并对理论结果与实验进行了比较。 |
