旧砂再生柔性试验线PLC控制

分析了旧砂再生柔性试验线的结构组成、实验方案及PLC控制系统的硬件组成及软件设计,系统通用性强,可靠性好,满足了旧砂再生中试线要求.     

3 200 m3高炉出铁场泥炮、开铁口机安装

介绍了出铁场主要设备组成及工作原理.论述了施工中各环节的安装要点、方法及调试工作,并对施工情况进行了总结.     

链篦机篦板在线检测系统的应用

分析了链篦机篦板存在的问题.阐述了链篦机篦板在线检测系统的功能、组成及工作原理.     

铝电解槽极间电压组成及实时测量

探讨了电解槽电压的组成及降低槽电压的途径,同时开发了一种实时测量方法及设备来测量铝电解槽槽电压组成,为降低槽电压和控制电解槽热平衡提供重要的数据基础.实验室和工业现场测试表明,该设备可准确地测量出电解槽的各部分电压组成和极距,为电解槽精确化控制和操作提供了可靠的技术支持.     

机械化石灰竖窑的自动检测控制系统

介绍了鞍钢耐火材料公司石灰竖窑控制系统的组成、生产工艺控制过程及控制系统配置.     

3500t／a锡粒炉生产线的设计与应用

介绍了作为生产镀锡钢板原料的锡粒的技术要求、生产工艺流程、机组组成、主要技术参数及生产应用效果.经济效益明显.     

皮带输送系统实现自动化控制和管理

介绍了PLC控制系统及闭路监控系统的组成、功能及应用情况.实践证明PLC控制系统与闭路监控系统的有效结合,大大改善了皮带输送系统的生产控制、强化生产管理、提高生产效率.     

法巴尔(FARVAL)润滑系统电气控制装置的概况

本文论述了法巴尔润滑系统电气控制装置的组成部分、各组成部分的用途及电气控制原理.     

电子皮带秤在竖炉配料控制系统中的应用

介绍了电子皮带秤的原理、竖炉配料控制系统的组成及电子皮带秤在配料控制系统的应用.     

单片机控制双光头带材对中系统

本文介绍了采用单片机控制的双光头对中系统的系统组成、硬件设计及软件设计.     

A randomized controlled trial of brief interventions for body dissatisfaction.

The authors examined the relative effectiveness of 3 different approaches to the experience of body dissatisfaction compared to a control and ruminative attention control condition, with respect to increasing weight and appearance satisfaction. One hundred female undergraduates (mean age = 24.38, SD = 9.39) underwent a body dissatisfaction induction procedure, which significantly decreased levels of weight and appearance satisfaction. Participants were then randomized, 20 to each of 5 groups: control, ruminative attention control, acceptance, distraction, and cognitive dissonance. With the exception of the control group, participants were briefly trained in their assigned technique and were asked to practice this over the next 5 min while repeated measures of weight and appearance satisfaction were recorded. Acceptance, cognitive dissonance, and distraction were superior to both control conditions in increasing weight satisfaction and were superior to a control condition in improving appearance satisfaction. Only acceptance was superior in improving appearance satisfaction compared to a ruminative attention control. The evidence suggests that acceptance is a promising approach to investigate further with respect to its efficacy for reducing body dissatisfaction. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

精炼上料全自动控制系统的设计及功能实现

分析了LF精炼炉上料控制系统实现全自动的关键因素,提出了提高精炼上料控制系统可靠性、效率及操作舒适度的关键性技术措施,阐述了上料全自动控制系统设计及功能实现。     

Railing for Safety: Job Demands, Job Control, and Safety Citizenship Role Definition.

This study investigated job demands and job control as predictors of safety citizenship role definition, that is, employees' role orientation toward improving workplace safety. Data from a survey of 334 trackside workers were framed in the context of R. A. Karasek's (1979) job demands-control model. High job demands were negatively related to safety citizenship role definition, whereas high job control was positively related to this construct. Safety citizenship role definition of employees with high job control was buffered from the influence of high job demands, unlike that of employees with low job control, for whom high job demands were related to lower levels of the construct. Employees facing both high job demands and low job control were less likely than other employees to view improving safety as part of their role orientation. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

轴流式高炉风机TURBOLOG防喘振控制系统的原理和探讨

介绍了应用在全静叶可调轴流压缩风机的TURBOLOG防喘振控制系统的工作原理、功能特点及改进建议。     

利用质量控制图进行分析化学实验数据的评价

本文主要阐述了质量控制图应用于评价分析化学实验数据质量。对改进分析实验方法、保证分析数 据的可靠性、提高分析实验水平,利用质量控制图来管理是有效的和可行的。     

“1+4”热连轧板形板凸度自动控制系统分析

从板形控制方程和生产线的板凸度控制结构入手,针对"1+4"热连轧生产线的板形板凸度控制系统的轧制力分布、工作辊冷却喷射、工作辊弯辊力控制、轧制力跟随控制等功能及其实现作了全面详细的介绍,给出了板形板凸度的实时控制方法,对工艺技术的提高和带材板形的改善有很好的帮助.     

酸再生机组焙烧炉进料管道的改进

分析冷轧厂酸洗废液再生机组焙烧炉进料管道酸垢的成因,介绍实施的增设冲洗管路、改进系统控制程序等措施及其效果。     

轧钢加热炉的技术改造

针对轧钢三车间加热炉产能低,氧化烧损严重,炉体、设备损坏频繁等问题,采取优化炉体结构、提高燃料热值、完善加热炉控制系统、改善耐火材料等有效措施对加热炉进行改造,取得了提高产量、质量、降低生产成本的突出效果.     

煤气加压站自动控制系统的分析与改进

对煤气加压站自动控制系统进行了分析，依据现有的技术手段对其提出了改造措施，分析了煤气热值测量方法与热值控制回路组成。     

基于T-S模型的高炉喷煤协同优化控制策略研究

高炉炼铁过程通过增煤减焦实现节能减排目标,针对人工操作模式存在主观性、粗糙性和滞后性难以实现增煤减焦的问题,采用上下协同优化控制方法,一方面通过上部提前匹配减焦方式维持高温区热平衡,另一方面通过富氧鼓风保证下部喷入煤粉的高消化率,使煤粉在风口回旋区充分燃烧.进而从控制角度解析描述增煤减焦过程,将铁水温度的稳定控制问题转...