查询词典 volume control

Through the trial regression to the ratio of unit injection well control area,unit well control area and injection-production well number ratio and shirr formula and unit injection well volume rate of change increasing with unit injection well control area decreasing,then Waterflooding reservoir macroscopica well spacing density formula c.

油藏工程理论及现场实践均表明，注水开发低渗油藏其注水方式和注采井数比对注水波及体积及水驱采收率有较大影响，通过对注水井水驱控制面积、单井控制面积与注采井数比进行了试探性回归分析，再结合谢尔卡乔夫公式，推导出了水驱采收率、驱油效率、井网指数、注采井数比与井网密度的关系式，从而建立了水驱油藏宏观井网密度公式。

The main products include: thermostat, electric valves, electric control valve, pressure control valves, variable air volume control box, three-speed switch, valve, heating valve, hoses and so on.

生产产品主要包括：温控器、电动阀、电动调节阀、压差控制阀、变风量控制箱、三速开关、风阀、暖气温控阀、软管等等。

Result: The size and vessel caliber of thyroidea of the two groups pre-treatment were obviously bigger than those of the control group, the volume of blood flow and blood flow rate were obviously slower than those of the control group ( P .001), the sizes of thyroidea of the two groups became smaller, especially the group B1 was more obvious, and there was no significant difference in the size of thyroidea between group B1and control group.

结果：治疗前甲状腺大小、甲状腺上动脉管径、血流速度及血流量均明显大于正常组( P 。001)，治疗后，经典治疗组和联用夏枯草口服液治疗组甲状腺均有不同程度缩小，甲状腺上动脉管径变小、血流速度及血流量逐渐下降，但甲状腺大小以联用夏枯草口服液治疗组为明显，此组与正常对照组相比已无明显差异，甲状腺甲状腺上动脉、血流速度及血流量两组之间比较无明显差异。

A control system of variable air volume box was designed through inverse system method. Both inner loop of control system and outer loop of control system were designed through inverse system method.

采用逆系统设计方法对变风量空调箱的控制系统，包括控制系统的内环和外环，进行逆系统设计。

It has support for LCD and VFD displays, the MCE remote control, Gamepads, full Mouse control, widescreen displays, volume control, music playlists (OGG, MP3, WMA andM4A), has a fully functional jukebox including visualizations, video and DVD player, Internet radiotuner (ASX, PL, M3U and WMA), picture and slide show viewer, news reader (RSS 1 and 2), and should work with HotRod and X-Arcade, SlikStik and IPAC controllers.

支持LCD和VFD显示，MCE远程控制，游戏杆，完全鼠标控制，宽屏显示，音量控制，音乐播放列表（OGG， MP3， WMA和M4A），提供了包括视觉化，视频和DVD播放器，网络电台调频（ASX， PL， M3U和WMA），图片和幻灯片演示浏览器，新闻阅读器（RSS 1和2）在内的全功能自动点唱机，并且将适用于HotRod and X-Arcade， SlikStik 和IPAC控制器。

Of modern information technology to the enterprise's internal control has given new meaning, financial accounting control to manual control by the common man-machine control, such as password control, data encryption, the functions of authority, access, operation log management.

现代信息技术给企业的内部控制赋予了新的内涵，财务会计控制也由人工控制变为人机共同控制，如口令控制、数据加密、职能权限、访问权限、操作日志管理等。

By studying the final form of a set of responsibilities clear, operative of the internal control system, with the advance guard, in control and afterward as a supplement to the characteristics, as the enterprise's internal control activities of its implementation, the specific standards and guidance, at the same time through the internal control system of regular performance assessment, analysis of the system is running and the degree of deviation of internal control target, real time system improvements, business results and efficiency of the process to provide ongoing protection.

通过研究最终形成的一套职责明晰、操作性强的内控体系，具有"事前防范为主，事中控制和事后补救为辅"的特点，为企业的内部控制活动的实施提供了具体的规范和指导，同时通过对内控体系定期进行绩效评估，分析体系运行的情况和内控目标的偏差程度，继而实时进行系统的改进，为企业经营的效果性和效率性提供了持续的过程保障。

Along with advancement of industrial control demand, development of control theory and computer technology, a predictive control algorism is produced with effective control and strong robustness, which is applicable to complex industrial processes and the control system, and is successful applied in petroleum, chemical industry, metallurgy and mechanism, and have a good prospect in application.

随着工业控制要求的提高及控制理论与计算机技术的发展，产生了控制效果好、鲁棒性强，适用于复杂的工业过程的预测控制算法，并已在石油、化工、冶金、机械等工业领域的控制系统中得到了成功的应用，是一类很有发展前景的新型计算机控制算法。

Most of present airborne platforms are analogic control system, digital control system can improve the system general performance, digital control is the development direction of platform systems, digital control has especial techonoly, this paper focus on researching the key technologies of digital control of airborne electro-optical stable platform.

现有的机载平台大多采用模拟控制，数字控制系统能提高系统综合性能，便于系统调试，采用数字控制方式是平台系统的必然发展方向，系统辨识、控制器设计和多采样率问题的研究是数字控制系统研究的关键问题，有关机载光电稳定平台数字控制的这些关键技术研究是本文的目的。

This paper precisely conducts the special topic research in view of some important technologies of the digitized control module.(1) AC motor control circuit of PAN/TILT is designed ,which speed is controlled by AT89C51 MCU. DC motor control circuit of LENS is designed too.(2) The hardware and software of automatic temperature control is designed, which used in camera protect box without A/D IC. A kind of single wire communication IC is used in the circuit. So, the program is given.(3) A method of video switch without picture shock is discussed in this paper, and 16x8 video switch circuit is designed. AT89C51 can carry out time sequence logical control with the sync signals by request..(4) The module of real-time clock is designed, in which, LCM is used, a kind of three-wire communication IC is used too.

1给出了一种由89C51单片机控制的简单易行的交流云台转动变速控制电路，实现了云台及其电动三可变镜头的控制；(2)给出了无需外加A/D、单线通信的防护罩自动温度控制电路，完成了单片机温度控制软件的设计；(3)提出了"无抖动"视频切换的设计思想，给出了16×8的视频切换电路，利用单片机在视频信号的场消隐期控制切换，从而实现了"无抖动"切换；(4)给出了一种三线接口通信的液晶显示实时时钟电路，完成了程序设计；(5)提出了在视频监控系统数字控制模块中，用CAN总线取代传统的RS-485总线，实现PELCO-P协议传输的方案。

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。