过程控制

Because of its complicated mechanism and nonlinearity, it is ifficult to model of the process accurately.

在直流电弧炉炼钢过程控制系统中，由于它的复杂机理，高度非线性加大了建模的难度。

BACKGROUND In current practice, process control is implemented in two stages: off-line and on-line.

在目前的实践中，过程控制，是实施分两个阶段：脱机和联机。

It was based on the OLE technology standard and designed for the information alteration of the process control software .

这是专为过程控制软件交互信息而设计的基于OLE技术的规范。

On-line Signal Processing and Working Control of Engine.

发动机在线信号处理和工作过程控制。

During that time, his contributions to controlling the process of papermaking were enormous.

在那其间，他对造纸的过程控制的贡献是非常巨大的。

And in the process control, will face a difficult problem, is effective in resolving the issue of VCM distillation, the quality of refined products for the VCM is especially important in light of our factory production processes perchlorethylene characteristics and the actual situation of VCM a distillation of Frequently Asked Questions.

而在该过程控制中，会遇到一个个棘手的问题，能否有效解决好VCM精馏问题，对于VCM精制产品质量则显得尤为重要，结合我厂氯乙烯生产的工艺特点和实际情况，对VCM精馏常见问题作一浅析。

Based on the industrial process controlling, this paper studies the popular techniques of real-time DBS synthetically, and then gives the design and implementation of the Linux-based real-time database system in C language.

论文以工业过程控制为应用背景，通过对现有的实时数据库技术进行全面的研究，设计并初步实现了一个基于 Linux 操作系统平台的实时数据库系统。

All in all,the intelligent electro _pneumatic valve positioner have its advantage,also is one of trend of control process development.

综合来讲，智能电-气阀门定位器拥有其优越性，是过程控制发展的趋势之一。

According to the analysis on the solubility data of the K2CO3-K2CrO4-H2O system, evaporating crystallization is a key step to separate potassium chromate from potassium carbonate solution.

据K2CrO4-K2CO3-H2O体系溶解度分析，蒸发结晶是该分离过程控制的关键，对此进行了详细的相图分析。

Advanced production and test equipment, particular technics processes, strong technique potence, perfect quality assurance system, strict processes control and so on, all these peculiarities are the base of the quality assurance for "Shang Cheng" products.

先进的生产检测设备、独特的工艺特点、雄厚的技术力量、完善的质保体系、严格的过程控制为"上城"产品提供了坚实的品质保证能力。

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。