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Electrical and chemical stimulation of raphe subnucleiThe first part of this study was devoted to determining the effects of electrical or chemical stimulation of the medullary raphe nuclei on respiratory movements.

电刺激或化学刺激延髓中缝核群对呼吸运动的影响本课题第一部分系统观察了电刺激及化学刺激延髓中缝核群导致的呼吸运动效应。

In charpter Ⅳ, by the divisibility of the system, the design program of the multi-grade adaptive controller of the system is presented, and under the suppositions of realitic subsystems, the global stability of two-grade adaptive controller of the system is proved.

第四章，由电液伺服系统的可分性，对电液伺服系统自适应控制的可实现性进行了分析。

With increasing the ceramic volume fraction,d_(33) increased until it reaches a saturation value the and relative permittivity constant rose linear.

压电常数d_(33)随着纤维体积含量的增加迅速增大，最后趋于饱和，介电常数随着纤维体积含量的增加几乎呈线性增加。

The relative complex permittivity of Starch/Polyvinyl alcohol blend sample was measured with short circuit coaxial line method in different water content and ion concentration .

采用短路同轴线法测量了淀粉聚乙烯醇共混体样品，在含水率、离子浓度不同时的复介电常数，研究了频率、离子浓度、含水率与相对复介电常数的关系。

The principle of piezoelectric modal sensor is introduced and the formulas of calculating modal respondence by measured piezoelectric outputs are gained.

介绍了压电模态传感器的实现原理，并给出了由实测压电单元输出得到结构模态响应的计算公式。

We have designed a linearization revisal circuit of the electric charge amplifier and the signal processing circuits based on the analysis of the principle of the PVDF Piezo-Film and electric charge amplifier from a viewpoint.

分析研究了PVDF压电薄膜的压电方程，推导出了压力与输出电荷的关系，在此基础上设计了电荷放大电路，并对电荷放大电路进行了线性化修正。

Three Things A Motorcycle Rider Must Know Before Buying A Motorcycle Saddlebag - Three most important things that every motorcycle rider should know before buying a motorcycle saddlebag are the security it provides on the road , the convenience it provide to the rider and the way it looks on the motorcycle .

三件事，一辆电单车骑士必须知道之前购买的电单车 saddlebag -三个最重要的事情，每一个摩托车骑士应该知道，在购买前摩托车s addlebag是安全提供对道路，方便，它提供给车手和途径，看来对摩托车。

A prototype microfluidic dielectrophoretic chip for cell separation and concentration based on principle of DEP was presented in this paper.

基于介电电泳原理，设计并制作了一种新型的能够用于细胞分离和富集的微流控介电电泳芯片。

The machine stator is designed to affiliated stator winding which binded by multi-lines equaled to 60 degees. Rotor winding adopt series connect complex- start unit, thereby let the rotor work without collector rings,motor brush, touched point and starting resistance.

新型绕组电机定子设计成多路联结的等效60°相带定子绕组，转子绕组为采用串联的"复合线圈组"，从而使转子达到无集电环、无电刷、无触点和无起动电阻。

In each kind of battery solution servosystem, the battery solution servosystem which is composed by the PWM solenoid valve, has many unique merits.

在各种电液伺服系统中，由PWM电磁阀组成的电液伺服系统，具有许多独特的优点。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。