多元件

Therefore, the exact relation between the unbalanced input voltage and the noncharacteristic harmonics of the output voltage in the 12-pulse rectifier system is obtained. In addition, the relation between the input current and the imbalance of the input voltage is obtained, which could help to choose the filter elements and exactly analyze the characteristics of the no controlled rectifier circuit.

利用精确的开关函数，推导了多脉波整流系统输入不平衡电压与输出电压非特征谐波的精确关系，进而得到电阻、电感负载时系统输入电流与输入电压不平衡度的关系，为精确地选择滤波元件做了有意义的探索。

In this study, we analyze the polyharmonic distortion model and use this model to predict the nonlinear behavior of active device.

在研究中，我们分析了多谐波失真模型，并且利用此模型模拟出主动元件的非线性行为。

Polymorpha cells in low level and produced a 1. 5kb transcript. Transcription of the gene was slightly repressed by exogenous △9 UFA. The FAR element in S. cerevisiae OLE1 promoter described by Choi et al. might not be crucial for positive transcriptional regulation of H-OLE1 gene.

Northern杂交发现，H-OLE1基因在细胞中以较低水平表达，产生1.5kb的转录子；基因表达略受不饱和脂肪酸的抑制；在多形汉逊氏酵母H-OLE1基因的转录调节中，Choi等在酿酒酵母OLE1基因中发现的脂肪酸调节元件FAR可能不是关键的。

Exhibition CES 2007 will be used by the representatives OF AMD and Intel as the platform for stories aboutfuture, which for both companies is undoubtedly polynuclear.

展览将于2007元件采用英特尔为代表的热潮和平台故事未来这无疑为双方公司多核。

Finally, the MLCC (Multi-Layer Ceramic Capacitor) chips after different duration of reoxidation process were utilized to analyze dielectric performance and oxidation of Ni inner electrodes. The results showed that the formation of NiO would result in the discontinuity of Ni electrode and further degrade the capacitance and IR of the chips.

最后，本研究将制作完成的多层电容元件，经过不同补氧时程的处理，结果显示镍电极的氧化，会造成电极的不连续情况，以及降低电容和绝缘电阻值。

The multi-channel structure with slicing layout method is used in this work.

在此研究之中，我们采取了多通道之元件架构。

Based on the laser longitudinal mode splitting theory, a novel scheme of dual-frequency laser with large frequency-difference is presented using electrically controlled birefringence of liquid crystal, and the transmitted resonant mode splitting by birefringent of Fabry-Perot etalon has been analyzed theoretically. A new element of liquid crystal Fabry-Perot etalon is designed and fabricated, which serves as aselector and splitter of both laser longitudinal modes and Fabry-Perot etalons transmitted resonant modes. Two different experimental systems of laser-diode end-pumped Nd:YAG laser have been set up using two different LDs, and the transmission of liquid-crystal cell have been measured. When the empty LCFP is inserted in the cavity of high-power LD pumped Nd:YAG laser, the oscillation of a single laser longitudinal mode have been observed, such a result shows that the designed and fabricated LCFP element is capable of selecting single axial mode. While an anti-reflected liquid crystal cell is inserted in the cavity of Nd:YAG laser end-pumped by the high-power LD, it is difficult to confirm weather the laser longitudinal modes have been spitted or not. The subject is summarized in this thesis and the improvement of the project has been presented.

论文以激光纵模的分裂理论为基础，提出了可望获得几十GHz甚至上百GHz的液晶电控双折射双频Nd：YAG激光器的总体方案，并对用双折射效应分裂F-P标准具透射谐振模进行了理论分析；设计并加工了一种集激光纵模选择、激光纵模分裂和F-P标准具谐振透射模分裂于一体的多功能元件——液晶电控双折射F-P标准具；建立了两种不同功率激光二极管端面泵浦的Nd：YAG激光实验系统，并对液晶盒的透射性质进行了测试；将未灌注液晶的空液晶F-P摘要标准具插入大功率LD泵浦Nd：、叭G激光谐振腔内，观察到了单纵模激光输出，说明所设计和加工的液晶F一P标准具具有纵模选择能力；将镀有增透膜的液晶盒插入大功率LD泵浦Nd八7AG激光谐振腔内，是否产生了激光纵模分裂现象还难以确定。

In this thesis, the concentration of graphite powder in the liquid nickel sulfamate and current density are chosen as parameters for composite electrodeposition of nickel and graphite powder. In addition, after electrodepositing, the graphite powder is oxidized into carbon dioxide through heating process for obtaining porous structure. Filter devices of various specifications can be made by controlling the hole dimension of the porous structure.

本研究为了制作出多孔洞结构，将在氨基磺酸镍电铸液中以不同的石墨粉浓度及电流密度为参数进行复合电铸，并且经由加热处理使石墨氧化成为二氧化碳以制造出多孔结构，根据这些多孔结构的孔径大小可以获得各种规格的过滤结构元件。

400Hz inverter is a special powers supply used in the aeronautical system. There are some disadvantages such as too many control elements , unflexible, bad consistency.

400Hz逆变电源是航空专用电源，目前市场上的产品大都采用模拟控制方式，其中存在控制电路元件多、灵活性差、一致性差等很多问题。

TATA box and CAAT box-like elements were found in the sequence,and GC domains were rich in the far upsteam of the promoter.

序列分析表明它含有类似于TATA box和CAAT box的元件，在其远端上游区域还有多个GC富含区。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。