查询词典 process control

The technology of Relay control, computer control andcommunication control are integrated to PLC and it is designed to industrialcontrol. Since PLC has many advantages such as good usableness, goodpracticability, complete hardware, easy to program, etc, it has already usedwidely in all kinds of automation control.

它将传统的继电器控制技术、计算机技术和通讯技术融为一体，专门为工业控制而设计，因其具有通用性好、实用性强、硬件配套齐全、编程方法简单易学等优点，而被广泛地应用于各种工业自动控制中。

The characteristic of engine working at different mounting way and different environment is analyzed. Selecting pump pressure, speed difference and its variance ratio as input, and current of pump power control and pressure difference control as output, fuzzy control is adopted to improve the power matching and energy saving control method.

分析了在不同安装方式和不同环境下发动机的工作特性，以液压泵的压力，转速差和转速差的变化率作为输入，泵功率控制电流和负载压差控制电流作为输出，采用模糊控制对动力系统的匹配与节能控制方法进行了优化。

The biological characters of p5CS-bar gene transgenic wheatgrasse and control plants were observed and analysed that none but caudex have marked differences(0.05); The values of plant height、spike length、spike width and stem/leaf are less than control plants, leaf length and leaf width are more than control plants; Under the same condition of growth and climate to compare transgenic wheatgrass with control plants we can see that trning-green sage is advance, defer procreate period, long viridity period, growth speed become slow and the figure of curves is"S", more tillers.

2对转p5CS-bar基因冰草阳性植株和阴性对照植株进行生物学性状观测比较，分析得出：只有丛茎差异显著，显著水平为0.05；株高、穗长、穗宽和茎叶比的值均稍小于对照，叶长和叶宽的值稍大于阴性对照；在栽培、气候相同条件下，返青期相对提前，生育期推后，青绿期延长；生长速度变缓，在整个生育期呈"S"型生长曲线；分蘖能力增加。

The applied range of the system of control of design method frequency control of system of control of 1 frequency control is very wide, wait like rolling mill, windlass, paper machine.

梗概： 1变频调速控制系统的设计方法变频调速控制系统的应用范围很广，如轧钢机、卷扬机、造纸机等。

Through the computer simulation, the dynamic characteristics of gas turbine, HRSG and steam turbine under the disturbances of the load and inlet working substance parameters of HRSG were studied, and after studying the parameters and the control rule of HRSG water level control system, the parameters of the control system were predicted, and at last characteristics of the system with water level control were analyzed.

通过计算机仿真，研究了燃气轮机、余热锅炉和汽轮机在负载和余热锅炉进口工质参数扰动下的动态特性；对余热锅炉水位控制系统的参数和控制规律进行了研究，确定了控制系统的参数，并分析了系统在加入水位控制后的动态响应特性。

Better prevention and control of pesticides will be marked with objects, such as imidacloprid, Actara, Le Meridien, for sucking mouthparts of the aphid, whitefly, leafhopper, canarium; 15% more than for the control of anti-ADM Alternaria mali disease, pear black spot disease; Celest Fusarium, Rhizoctonia diseases caused by a high control effect; Diflubenzuron Insect Growth Regulators such as applied to control pests and moths Phyllocnistis Mosquitoes pest, Avermectin streptozotocin on the type of anti-mite efficient.

好农药都会标明防治对象，如吡虫啉、阿克泰、艾美乐，适用于刺吸式口器的蚜虫、粉虱、叶蝉、木虱；15%多抗霉素用于防治苹果斑点落叶病、梨黑斑病；适乐时对镰刀菌、丝核菌引起的病害具有很高的防效；灭幼脲等昆虫生长调节剂适用于防治潜叶蛾类害虫和蚊类害虫，阿维菌素对叶螨类防效高。

In the neural networks control, the structure and the working principle of the cerebella model articulation controller are discussed firstly, and then based on the mutual supplements and the similarities between FCMAC and fuzzy logic,fuzzified cerebella model articulation controller is proposed. The learning control system based FCMAC are introduced in detail. Through the example of FCMAC used in the swinging up a pendulum control, the excellent control effects are demonstrated.

在神经网络控制方面，本文主要研究了小脑模型关节控制器，并进而根据CMAC与模糊逻辑的互补性与相似性，提出了模糊小脑神经网络控制器，详细讨论了FCMAC的学习控制系统与FCMAC的自学习机理，通过FCAMC对倒单摆控制的具体例子表明，FCMAC控制具有优良的控制效果和强的鲁棒性。

In order to avoid the chattering phenomena in the general slide mode control, this dissertation introduces a nerve cell discrete sliding mode control method based on CMAC (cerebella model articulation control) that combines the merit of sliding mode control and CMAC.

针对常规滑模变结构控制中存在抖振问题，本文将小脑模型关节控制器与滑模控制相结合，提出基于CMAC的神经元离散滑模控制策略，并对该控制算法进行了仿真研究和实验研究。

Results The IC50 of SPG-Rg3 was (155.7±0.71) mg·L-1,when the concentration of SPG-Rg3 was arranged from 37.5 to 600.0 mg·L-1,the growth inhibitory rate of MCF-7 cells was higher following the increase of its concentration,the cell growth was greatly inhibited compared with control group(P.05); cell cycle was changed,the cell number of S period increased compared with control group(P.01),the cell number of G2/M period decreased compared with control group(P.01),in experiment group there was an apoptotic apex before G1 apex,and the number of apoptotic cells increased; most of cell nuleus in SPG-Rg3 (150 mg·L-1)experiment group appeared yellow or chrysoidine fluorescence,contracted,beaded and crescent; the result of immunocellularchemical staining of caspase-8 indicated that caspase-8 protein had no expression in control group,but stronger expression in SPG-Rg3 group.

结果：SPG-Rg3 IC50为（155.70±0.71） mg·L-1，当SPG-Rg3浓度在37.5~600.0mg·L-1时，MCF-7细胞的生长抑制率随SPG-Rg3浓度的增加而增大，与对照组比较，细胞增殖受到明显抑制（P.05）；MCF-7细胞的生长周期也发生变化，S期细胞数增加，明显高于对照组（P.01，G2/M期细胞数则明显少于对照组（P.01；并且在G1峰前出现明显的凋亡峰，凋亡细胞数增加。

Based on the computer vision method, we have proposed use of a nonlinear rotational observer and a linear translational observer to estimate the relative motion rate; To ensure the completement of the spacecraft docking task, we have also proposed a new nonlinear control csheme for attitude control and a linear control scheme for orbit control.

针对具体的测量手段，提出了一种非线性观测器来重构出相对姿态变化；为了保证对接任务的完成，提出了一种新的姿态控制的非线性控制方案及轨道控制的线性控制方案，在理论上分析了其稳定性。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。