查询词典 process control

The author analyzed total oxygen content, nitrogen content in steel made by typical process and the inclusion composition, change rule, morphology and distribution qualitatively and quantitatively by image analyzer, big sample electrolysis, SEM and energy spectrum analysis. The results showed that final inclusion form was small granule MnS, calcium aluminate, a small quantity of silicate and lumpy Al2O3. By intensifying deoxidation alloying process control in converter, argon blowing and slagging control and desulphuration and calcium reduction operation in refining course and overall-protection casting, the oxygen content was reduced by 20% above averagely, nitrogen content was reduced by about 10% and the inclusion content was reduced by 30%.

通过全O、N分析，夹杂物图像分析仪、大样电解、扫描电镜及能谱分析，定性和定量分析了典型工艺钢种钢中全O、N含量和工序过程夹杂物的构成、变化规律及形态、分布，分析钢中最终夹杂物表现形式主要为小颗粒的MnS、铝酸钙、少量的硅酸盐和块状Al2O3，通过强化转炉脱氧合金化工艺控制、精炼过程吹氩与造渣控制及脱硫和钙处理操作、全程保护浇注，钢水中O含量平均降低20％以上，N含量降低10％左右，铸坯中夹杂物含量降低了30％。

For thermodynamic and kinetic reasons, a relatively large number of materials can not be directively synthesized by self-propagating high-temperature synthesistechnology. In addition, SHS process is generally difficult to effectively control. These limitations retard the further development of SHS technology. In this project, the imposition of an external electric field is utilized to activate self-sustaining reactions and to simultaneously control SHS process.

为了扩大自蔓延高温合成技术的合成材料范围，并实现对SHS过程的有效控制，本项目分别以反应热小和反应速率低的反应体系为对象，利用外加电场诱发了体系的自蔓延燃烧，合成了在普通SHS工艺下难以合成的材料；同时，将外加电场作为SHS技术中一个重要的工艺参数，同步实现了对SHS过程的柔性控制。

We adopted Simple McGill Pain Questionair to measure pain related to cervical spondylosis, the 3rd lumbar vertebra transverse process syndrome and lumbar intervertebra disc protrusion, compared analgesia and clinical effect of EA Jiaji acupoints with regular acupoints. The result showed the analgesia effect of treatment group was better than that of control group. The cure rate of cervical spondylosis and the total effective rate of the 3rd lumbar vertebra transverse process syndrome were much higher than those of control group.

采用简化McGill疼痛量表对颈椎病、腰三横突综合症、腰椎间盘突出症疼痛进行了综合评定，并比较了电针夹脊穴与常规取穴的镇痛效果与临床疗效，结果表明电针夹脊穴组的镇痛效果均优于相应对照组，且电针夹脊穴组颈椎病的治愈率、腰三横突综合症的总有效率均优于对照组。

Ltd.during the production process of prebake anode is introduced,which further proves that the process quality control is the developing trend of product quality control.

制造过程质量控制不仅要靠生产过程的自动化、工艺参数的

Product and process control: SPC control, preshipment sample audit and manufacturing process audit.

产品及生产过程控制：统计生产过程控制，出货前抽查和制造过程抽查。

PLC control system for sulphonation process shows the superiority of PLC over ot her kind of computer process control.

天津师范大学计算机系，天津，300074；天津师范大学计算机系，天津，300074基金项目：本文研究得到天津市教委科研项目基金(No.97102)资助。

As f orming parts with opened-loop control system, the process parameters can't be ad justed according the actual conditions, once conditions varying the process can' t obtain the expected results. In order to solve these problems, the closed-loop control systems have been developed on the basis of real-time sensing principle .

为了解决这个问题，国内外研究机构发展了基于实时监测原理的闭环控制系统，通过不断地调整加工工艺，最终获得了几何性能和力学性能达到设计要求的三维实体零件。

The fuzzy T-S model was much more precise than the neural network model for burning through point based on process parameters. The rise time and regulating time of the fuzzy predictive control method were respectively 9 min and 18 min which were both much shorter than those by using the fuzzy control method for burning through point in lead-zinc sintering process.

结果表明：模糊T-S模型能有效抑制垂直燃烧速度不确定性的影响，具有较高的辨识精度，能够满足工业现场生产指导的需要；此外，烧穿点的模糊预测控制方法比单纯的模糊控制调节时间短、超调量小，能快速有效地响应烧穿点的变化，具有一定的应用价值。

Ball mill coal pulverizing system of pelletizing plant is a complex nonlinear multivariable process with strongly coupling and time-delay,and its operation often varies significantly. The automatic control of such a system is a research focus in the process control area.

球团厂钢球磨煤制粉系统是多变量强耦合、时滞、非线性以及生产工况变化大的复杂对象，其自动控制问题一直是控制界关注的热点。

Combined hourglass control in analysis of cold ring rolling process;2. Recent status and development of real-time measurement and online control technology in cold ring rolling ;3. The influence law of feed rate of idle roll on the quality of end face of ring,axial width spread ratio,roll force,roll moment and metal flow characteristic in cold ring rolling process has been explored through the FEM numerical simulation of the ring with rectangular cross-section based on the elastic-plastic dynamic explicit FEM under the Abaqus software environment.

基于Abaqus/Explicit提供的显式动力学有限元算法，对矩形截面环件冷辗扩进行了有限元数值模拟，揭示了芯辊进给速度对环件冷辗扩过程中环件端面质量、轴向宽展率、辗扩力、辗扩力矩以及金属流动特性的影响规律，并从金属塑性成形原理和塑性加工力学等角度对这些规律进行了合理的解释，从而获得了进给速度对冷辗扩成形的影响规律，为环件冷辗扩在实际应用中进给速度的选择提供了依据，对揭示冷辗扩成形机理也具有十分重要的意义。

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。