查询词典 flow control

Use of smart valve positioner not only can easily change the flow characteristics of control valve control system can also improve the quality of control.

采用智能阀门定位器不仅可方便地改变控制阀的流量特性也可提高控制系统的控制品质。

China's interest rate from the current system, the market interest rates (such as money market, bond market interest rates) is clearly not in the list of interest rates; in direct control of the central bank's interest rate system, the re-lending and rediscount rate has not been very effective, because it few years the flow of adequate financial institutions makes little to rely on central bank loans and discount, and improve the reserve interest rate system with the reform of the general direction of inconsistency; Therefore, interest rates can only increase deposit rates or lending rates, both interest rates are in the current control and semi-control of interest rates.

中国的利率从目前的制度，市场利率（如货币市场，债券市场利率）显然不在列表中，利息直接控制的中央银行的利率制度，再贷款和再贴现率并不十分有效，因为这几年充足的流动金融机构几乎没有什么依靠中央银行贷款和贴现，提高准备金利率制度改革的总体方向不一致，因此，利率可只有增加存款利率或贷款利率，无论利率在目前的管制和半管制的利率。

The SMMC-7721 hepatoma cell line of experimental groups and control groups were cultured with the addition of sodium selenite, potassium iodide or triiodothyronine (T3). The cell quantity was checked by the MTT assay , and the cell cycle was observed by flow cytometry and levels of AFP and ALB in the culture solution were determined by RIA.The SD rats were divided into positive control group, negative control group, T3 group and mixture group (the mixture of sodium selenite, KI and T3). After two weeks of the administration of sodium selenite、 KI and T3,Walker256 cells were transplanted into the abdominal cavity. The administration was kept on for another two weeks, then observed the morbility and mortality of the rats with ascites carcinoma. At the end, the ascites were for the cells counting and the cell cycles analysising.

方 法：在体外，应用细胞培养的方法，培养SMMC－7721肝癌细胞系，分为试验组和对照组，试验组加入不同浓度Se、I或T3干预，培养一段时间后，通过噻唑蓝试验、流式细胞仪，观察细胞数量及细胞周期的变化，测定细胞培养上清液中甲胎蛋白、白蛋白的水平，观察细胞分化情况；在体内，将试验用SD大鼠分成阴性对照组、阳性对照组、T3组和混合组（为Se、I和T3混合物），首先预防性用药2周，然后给试验组大鼠和阳性对照组大鼠腹腔注射Walker256细胞，制造腹水癌大鼠模型；继续用药2周，观察各组大鼠发病率及死亡率，测量不同时期大鼠血清FT3含量，通过流式细胞仪测量大鼠腹水细胞数及细胞周期变化。

Based on the dynamic change of the intersection traffic flow, two intersection traffic control strategies were proposed, including the variable lane use on certain intersection approach, and the split-phase signal control strategy. Then, the potential applicability, advantages and characteristics of the two strategies were analyzed. With the surveyed data, a corresponding simulation model was built, and the effectiveness of these methods was simulated with the traffic signal control simulation software Synchro.

针对信号控制交叉口实际流量动态变化的特征，在现有传统控制方法的基础上根据交叉口交通流的变化特点，提出采用可变车道控制模式的控制方法、单边轮放控制模式的控制方法，介绍了其潜在的适用条件、优势及特点，并在交通流量调查的的基础上，建立了交叉口的相应仿真模型，利用信号控制仿真软件Synchro验证了在高峰期不同控制方法的效果。

Founded in 2003, the company's main products are: central air-conditioning temperature control, heating room temperature, three-speed switch, fan-coil electric valves, electrical control valve, electric butterfly valve, temperature sensors, pressure controllers, Pressure switches, pressure transmitter, flow switches, antifreeze switch, air valve actuator, the ratio integral temperature control, etc.

公司成立于2003年，公司主营产品有：中央空调温控器、采暖房间温控器、三速开关、风机盘管电动阀、电动调节阀、电动蝶阀、温度传感器、压差控制器、压差开关、压力变送器、水流开关、防冻开关、风阀执行器、比例积分温控器等。

This text expatiated the control of the system requests, analyzing the work principle of the system with work process, gave each parts of hardwares design process and its related electric circuits, software design process, control the calculate way realizes flow chart, emphasized to explain the calculate way of PID in the single a work for on boardly realizing method, at the same time expatiating system characteristics, experiment proof this is a kind of economic practical forerunner control technique.

本文阐述了系统的控制要求，分析了系统的工作原理和工作过程，给出了各部分硬件设计过程及其相关电路，软件设计过程，控制算法实现流程图，着重说明了PID算法在单片机上的实现方法，同时阐述了系统的工作特点，实验证明这是一种经济实用的先进控制技术。

According to modern enterprise system and the enterprise internal control theory, and based on extensive practical investigation and research, this thesis firstly analyzed product sale managements, financial affairs management, basic condition of organization construction and the existing problems, facing situation. Furthermore it demonstrated that it is imperative that the end product oil sale corporation of CNPC carries out the concentrated and unified business accountings of financial affairs and it brought forward the design of the reforger of varies business flows under the concentrated and unified accounting model of financial affairs. On this foundation, it analyzed the problems such as processing program of supply of final product oil, financial flow of sale commodity, processing program of sale fund final accounts, the recognition of the key of internal control, etc. Finally, some problems, which is worth paying attention to, have been carried on analysis and discussion, such as the control relation of the final product oil sale corp. and distributive corp. of regions and provinces, the balanced equivalent of centralization of state power and division of power, etc. during the course of putting into effect the system of concentrated and unified business accounting of financial affairs.

本论文根据现代企业制度和企业内部控制理论，在广泛实地调研的基础上，分析了中油成品油销售公司的产品销售管理、财务管理、组织结构等的基本状况及其存在的主要问题和面临的形势，论证了中油成品油销售公司实行财务集中统一核算势在必行，并对在财务集中统一核算模式下的各项业务流程再造进行了设计；在此基础上，具体对成品油供应的处理程序、销售商品的账务流程、成品油销售资金结算的处理程序、内部控制关键点的确认等问题进行了有针对性的分析和设计；最后，对在实施财务集中统一核算制度过程中，中油成品油销售公司与各区域、省市分公司的控制关系、集权与分权的平衡等值得注意的问题进行了分析和讨论。

Water Fa Zhu, Vice boiler valve, compound feed water control valve Control requirements: control the boiler water, the maintenance of boilers and steam flow of liquid.

给水阀主、副锅炉给水阀、复合型给水调节阀控制要求：控制锅炉进水，维持汽锅液位与蒸汽流量。

So, the paper brings out a feed forward cascade PID control method in order to optimize control process according to technological flow and control theory. It promotes the system stability and decreases the cost of the water process.

通过分析处理工艺流程及生产控制原理提出了前馈串级控制的控制方法，利用该控制方法对控制过程优化，提高了系统适应能力，降低了污水处理加药费用，同时保证了回注油田污水的质量。

The following cases, to go with locator: 1, medium pressure high pressure big time; 2, valve diameter is large Forged Gate, Globe, Check Valves (DN 00); 3, high or low temperature control valve; 4, the action necessary to raise the speed control valve; 5, using standard signal, the operation of non-standard spring when the implementing agency (20 ~ 100KPa spring outside the range); 6, when used for sub-process control; 7, when the valve to achieve the reverse action (air to close each open-type gas conversion); 8, need to change the valve's flow characteristic time (you can change the positioner cam); 9, no spring actuator or piston actuator, the proportion of action to achieve the time; 10, electrical signals to operate pneumatic actuator must Distribution - gas valve positioner.

下列情况下，要配定位器： 1、介质压力高、压差大的时候； 2、调节阀口径大时（DN00）； 3、高温或低温调节阀； 4、需要提高调节阀的动作速度时； 5、用标准信号、操作气动管路截止阀非标准弹簧的执行机构时（20～100KPa以外的弹簧范围）； 6、用于分程控制时； 7、使阀门实现反向动作时（气关式和气开式互相转换）； 8、需要改变阀的流量特性时； 9、无弹簧执行机构或活塞执行机构，要实现比例动作时； 10、用电信号去操作气动执行机构时，必须配电-气阀门定位器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。