循环控制

Application of Localized DCS in Cyclic Roa ter of Aluminum Oxide.

国产DCS 控制系统在氧化铝循环焙烧炉中的应用。

Municipal waste CFB incinerator is usually faced with problems such as furnace heat load fluctuation in large scope and low regulation resolution of main control feed－water valve,a 3－element fuzzy control system is used to modulate PID control parameters in an on－line way.

摘 要：针对循环流化床生活垃圾焚烧锅炉热负荷波动较大，给水调节阀调节特性差的状况，专门设计的锅炉汽包水位模糊三冲量串级自动控制系统，采用调节参数模糊智能自调整，主副回路采用异步控制方式，调节阀的调节特性进行线性化处理等策略。

According to the requirement of oil drilling foreign and domestic, the international standard for oil equipment and national oil drilling codes. In order to prevent fault which flaming gas or vapour may be present in the air in sufficient quantities to be explosive or ignitable. We designed and made explosion-proof electric controlling equipment for oil field.

根据目前国内外石油钻井装备的要求，以及符合现代化钻井生产的规范化要求，为防止在石油钻井过程中，控制设备产生火花而引起可燃性气体发生爆炸，本公司设计生产了油田钻井液循环罐防爆电气控制系统。

Result and conclusion: The electrochemical experimental results show that the two totally irreversible oxidation peaks in the region of 0.3-1.2 V vs SCE for both MT and SR were observed,and the electrode reactions processes were diffusion-controlled.Their electron transfer number n and electron transfer coefficient α were obtained by CV and electrolysis with coulometry.The diffusion coefficient D and rate constant k f were also calculated by CC and CA.

结果与结论：在0.30~1.2 V电位窗口内，MT和SR均产生1个不可逆氧化峰，并且它们的电极反应均受扩散步骤控制；用控制电位电解库仑法和循环伏安法得到MT和SR的电极反应电子转移数n和电荷转移系数α，运用计时库仑法和计时电流法测定了它们的扩散系数 D 及电极反应速率常数kf。

In this paper,using mild steel plate have stable hysteresis under loading and unloading repeated cycles,designed a U shape mild steel plate damper,an hysteresis loop and analytical model was carried out by experimental test At last,this damper is .

振动控制是结构抗震防灾的一种积极有效手段，目前对于大跨空间结构的振动控制技术不是很成熟，利用软钢板在反复循环荷载作用下具有稳定的滞回特性，设计了U形软钢板阻尼器，通过试验得出该阻尼器的滞回曲线，建立了该阻尼器分析模型。

They were as effectie in cells containing subgenomic HC replicons as in those encoding the entire iral protein core.

该基因是控制细胞整个生命循环的基因家族中的一员，可以控制细胞的增生、成熟和死亡。

The desk adopts hydraulic pressure drive slipway; the self-motion cycle course uses PLC control, which combine the engine-electricity-liquid linkage to make operation easier and more convenient, wider and mort popular, division speed and precision higher, reduce labor intension and provide a condition to improve the efficiency, to create a condition of automation to finish the spline molding by the milling machine.

进给工作台采用液压动力滑台，自动循环过程采用了PLC控制，使得机-电-液联动控制有机地相结合，操作简单方便，通用性强，分度速度快、精度高，大大降低了劳动强度、提高了生产效率，为在铣床上完成花键成型过程创造了一种自动化的条件。

Circulating fluidized bed boiler ; double-deck fuzzy control system ; PID control

循环流化床锅炉；两层模糊控制； PID控制

In each area self-operating control hubs are responsible for the control without a master system by cyclically exchanging information about routings and occupation states.

在每个区域中，自我操作的控制毂被循环地交换关于工作路线排定和职业的资讯州负责没有一个主人系统的控制。

Digital simulation is an important step for torpedo turbine engine design. This paper investigates the modeling and simulation of unclosed cycle and partial flow two-stage impulse torpedo turbine in design condition and two non-design conditions. The control modes of turbine in non-design conditions are discussed.

进行鱼雷涡轮动力装置数字仿真是设计涡轮机的重要步骤，为此，该文针对鱼雷涡轮机设计和研制的需求，采用理论分析、经验推导和实验研究相结合的方法建立了鱼雷开式循环部分进气纯冲动式复速级涡轮发动机设计工况及2 种常见变工况的数学模型，着重讨论了变工况过程涡轮机的调节控制方案，提出了简便易行的开关喷嘴控制方法，并对其进行了数字仿真研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。