单相

A kind of digital synthetic reference sinusoidal generator having the function of synchronous with line voltage is presented by using digital method.

提出了一种采用数字合成的方法生成单相具有与电网电压同步的数字式基准正弦波信号发生器的方法。

This paper studies a single phase voltage SPWM inverter based on repetitive control, whose key point is achieving a good sinusoidal output wave. Firstly, this paper detailed discusses the inverter system"s working characters and mathematic model. Then repetitive control technique and the choice of its parameters, the whole system"s stability, the strategy of closed-loop control are discussed. Finally

本文首先阐述了逆变系统的工作原理，对单相逆变电源的建模进行了详细讨论；然后论述了重复控制技术理论的原理，重复控制系统参数的选择、整个系统的稳定性、闭环反馈控制的策略；最后给出了基于MATLAB的仿真结果和基于单片机C8051作控制系统的实验结果，并对实验过程中存在的问题进行了详细的讨论。

The powder consists of spheroidal particle with size in the range of from 15 to 70 μm and average size of 45μm.

采用熔体'枪喷溅'激冷技术使Cu-Ag共晶合金系在几乎所有成分范围内获得单相固溶体[1]。

This cycloconverter uses few components and the control strategy is simple, only square wave of control is used.

该方法是在电动机转子绕组上串联一电压源，它采用单相至三相交交变频实现。

Pumps and pump (using the single-phase squirrel-cage induction motor) require a minimum level of energy efficiency and maximum energy consumption standards and testing methods qualified.

水泵和电泵（使用单相鼠笼感应电动机）规定了最低能效水平和最高能耗水平及合格检验方法。

A single –phase resistance starting capacitance running induction-motor is designed according to market requirement in this paper.

根据市场需求设计出满足用户使用要求的单相电阻启动—电容运转感应电动机。

A homogeneous crystalline phase that contains two or more chemical species.Both substitutional and interstitial solid solutions are possible.

包含两种或两种以上元素的均匀单相，固溶体可以以置换固溶体或间隙固溶体的形式存在。

Microstructure of the ribbons is supersaturated solid solution of α-Mg with fine grains.

薄带的微观组织为过饱和的单相α-Mg固溶体组织，其晶粒细小，力学性能显著提高。

Applying the thermodynamic model, the temperature and the critical grain size of phase transformation can be predicted precisely for the nanocrystalline materials.

在应用界面膨胀模型和普适状态研究纳米晶界面热力学特性的基础上，发展了纳米晶整体材料热力学函数的计算模型，给出了以纳米晶界面上的原子分数作为权重的纳米晶体单相材料的焓、熵、自由能随界面过剩体积、温度以及晶粒尺寸发生变化的明确表达式。

A single phase, three-speed induction motor having 4, 6, and 8-pole speed configurations.

一种单相三速感应电机具有4，6和8极速度构造。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。