Results Among 100 cervical secreta specimens, the infectious ratio was 16.9% in the cervicitis group and with 4.3% in the controls.

To collect the male patient's semen or female patient's secreta inoculating with UU liquid culture medium and observe its results.

采集男性精液或女性分泌物接种于UU液体培养基中培养观察结果。

The presented method can analysis e the performance of induction motor with various stator faults correctly.

本文的方法可准确分析异步电机定子绕组的不同故障状态.

It is shown that it can improve observer accuracy of the induction motor stator flux effectively.

采用此方法有效地提高了全速范围内定子磁链的观测精度,并且实现简单.

Then the harmonic torque and performance of concentrated winding single-phase induction motor is calculated single-phase motor.

分析了转子斜槽对谐波参数的影响,最终计算出集中绕组 单相电机 的谐波转矩和电机性能.

This thesis presents the design and implementation voltage vector-controlled induction motor drive without any shaft transducer.

本论文的目的为设计与制作不用测速计之交流感应马达转速控制系统.

A control system of phase induction motor based on TMS 320 LF 2407 was introduced in this paper.

介绍了一种以TMS320LF2407为核心的感应电动机变频调速系统.

AC induction motor will govern speed stepless, no brush 、 no spark and long life.

交流感应电机无极调速, 无电刷、无火花、长寿命.

The proposed method could be a secondary protection of thermal protection of induction motor.

所提出的定子温度监测方法可以作为电机过热保护的一种辅助措施.

Variable-frequency adjustable-speed has been one of the main methods for adjusting the speed of induction motor.

变频调速已成为异步电动机实现转速调节的主要方法之一.

The power of AC induction motor with slip-ring rotor used for generator has achieved MV level.

用作发电机的滑环转子交流异步电机的功率已迭兆瓦级.

Fuzzy control strategy is introduced into a field-oriented controlled induction motor servo system in this paper.

将模糊控制技术引入到了感应电动机矢量控制位置伺服系统中,设计了模糊位置和电流控制器.

But we also celebrate those Chinese-Americans whose names are not well known to us.

但我们还赞颂那些不知名的美国华裔。

Exclude Chinese-Americans and the figure drops to two or three.

不包括华裔美国人的话，这一数字下降至两三名。

Chinese-Americans have constantly played an important role in the US-China relations both as individuals or communities in different periods.

在不同历史时期，美籍华人无论是个人、团体还是社区，都为美中关系的发展发挥了作用。

Chinese-Americans have advantages and disadvantages on the resources of affecting US foreign affairs.

在影响美国对外政策的资源上，美籍华人既有优势也有不足，但不足之处更为明显。

DSP-Based High-Efficiency Sensorless Control of an Brushless DC Motor Drive for Refrigerator Compressors.

高效率冷冻压缩机DSP控制无刷直流马达无感测驱动器之研制.

Brushless DC motor control structure.

直流无刷电机的控制结构.

A brushless DC motor control system based on DSP + FPGA is introduced.

介绍了一种基于DSP+FPGA的无刷直流电机控制系统.

The brushless DC motor ( BLDCM ) control system is a novel speed variable system.

永 磁无刷 直流电动机控制系统是一种新型的调速系统.

The PM brushless DC motor is a multi-variable and linear system.

永磁无刷直流电机控制系统是多变量和非线性的.