控制原理

The structure, control principle and some problems in the air conditioning system of the vehicle in Shanghai rail transit line 5 are discussed.

介绍上海轨道交通5号线车辆空调系统的构造、控制原理及其存在的问题，对夏季司机室温度过高的问题提出建议。

This paper introduces the programmable logic controller and the century stars monitoring software in the beer saccharification of methods and control theory.

本文介绍了可编程序控制器与世纪星监控软件在啤酒糖化中的方法及控制原理。

And the electric control schematic diagram and ladder diagram procedure of PLC are given.

并给出了相应的电气控制原理图和PLC梯形图程序。

At the same time, the content of experiment including composing of sequential logic circuit, controlling principle experiment, composing 8 bit computing unit and composite computing experiment, storing experiment, data bus experiment, float computing unit experiment, multi-pipelining processor experiment etc, all of these experiment engender a correlative system.

同时设计实验内容，包括时序电路的组成及控制原理实验、八位运算器的组成及复合运算实验、存储器实验、数据通路实验、浮点运算器实验、多流水线处理器实验等，这些实验形成一个相互关联的系统。

This paper summarizes the characteristics and performance of super capacitors, analyzes the structure and control principles of the super capacitor energy storage system, and outlines its applications in microgrid.

概述了超级电容器的特征和性能，分析了超级电容器储能系统的结构和控制原理，并详细阐述了其在微电网中的应用。

The dual-pick-up synchro control principle was described in detail.

详细介绍了双光头同步控制原理。

The roots of the modem computer virus go back to 1949, when computer pioneer John von Neumann presented a paper on the "Theory and Organization of Complicated Automata", in which he postulated that a computer program could reproduce.

现代计算机病毒可追溯到1949年，当时计算机先驱约翰·冯·纽曼提交了一份关于"复杂的自动控制原理与组织"的报告，在报告里他提出计算机程序能复制。

Based on the mathematical model of three phase PWM high frequency rectifier, the theory of dual-close-loop controller and implementation of unit power factor of the supply-side rectifier in the doubly-fed generating system are analyzed.

基于三相PWM高频整流器的数学模型，详细分析了双馈发电系统中电网侧整流器的双闭环控制原理和单位功率因数的实现方法。

Based on the results of underground observations and model tests of simulated materials of immediate roof, it is expounded that fragmented roof belongs in cataclastic rock mass,and its caving characteristics is clarified in this paper too.

本文根据直接顶岩体冒顶现场实测和相似模拟实验结果，阐明综采面破碎顶板的碎裂岩体属性与冒顶特征，并建立碎裂岩体冒顶力学模型，深入研究冒顶本质原因和控制原理。

First, some critical problems in crystal growth like crystal seeding, Zn dephlegmation, geometrical selection and temperature fields are discussed in theory, and the possible kinds of defects appeared in crystal growth progress and the reasons are carefully researched. To control the concentration of Cd vacancies, a new method by which the Cd vacancies were compensated with excess Cd in the Cd rich starting materials has been developed, and a new kind of two-area tube furnace with good linear temperature distribution was designed.

首先，本文从理论上对坩埚下降法生长碲锌镉单晶体中的成核、Zn分凝、几何淘汰生长与温场等关键性问题进行了讨论，对在生长过程中可能出现的各种缺陷类型和形成原因进行了详细分析，提出了碲锌镉单晶体生长过程中Cd空位缺陷控制原理及方法，并针对坩埚下降法生长特点自行设计了两区域独立加热管式生长炉，获得具有较好线性分布的温场。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。