基于PLC的变电站监控自动化的研究与实现

提出了一种基于可编程逻辑控制器(S7—200)的中小型变电站监控系统的构建方法,结合应用实际,具体介绍了S7—200系列的自由口通信功能,并提出了一些在软件设计和系统运行中的体会和经验。     

基于XML技术的分布式现场总线远程监控系统设计

针对传统的基于OPC技术的现场总线监控系统存在的若干问题和现场总线远程监控的要求，在微软的Windows分布式Internet结构开发模型基础上，结合XML和SOAP分布式组件模式技术，提出了一种新的分布式现场总线远程监控系统框架体系结构．这个体系结构解决了传统监控系统所存在的问题，使现场总线远程监控成为可能，并使系统具有良好的扩展性．     

多总线混合分布式网络控制系统研究

测控仪表的数字化和通信技术的发展，使孤岛式的局域自动化正向网络式全局自动化转变，但现场设备接口标准和控制网络协议的多样化，从最初的通用串行通讯发展到今天的现场总线和工业以太网，导致了多总线协议在工业现场普遍并存．鉴于此。本文研究了这种多总线混合分布式网络控制系统。对其实现的关键技术进行了探讨．重点研究了底层可靠实时数据通讯和整个系统的信息集成问题．同时，对正在发展的具有Ethernet接口的新型测控设备与这种网络之间的集成问题进行了分析．本文探讨的问题，在企业提高自动化水平过程中具有普遍性，有重大的实用背景．     

基于OPC的多机器人生产线监控系统

多机器人生产线监控是提高生产线效能的有效手段.讨论了多机器人生产线监控系统的设计思想:包括以OPC作为分布式数据集成的方法和手段,采用通用软件开发工具构建分布式软件结构.最后还讨论了分解系统复杂性的思路和体会.     

Delphi在变配电监控系统中的应用

本文介绍Delphi软件开发工具的功能和特点以及用Delphi开发变配电监控软件的系统设计。     

Translational aspects of the modern genetics in head and neck cancers

Oral Cancer (OC) is one of the most recurrent cancers in the head and neck squamous cancer (SCCHN) category. Recently, the genome-wide association studies (GWAS) have gained growing interest in the scientific community. GWAS have identified several pathways involved in the interactions among general risk factors and genomic variants affecting SCCHN. This systematic overview aims to critically evaluate the latest data reported within the scientific literature. The aim was to investigate the impact of genetic aspects on SCCHN onset and prognosis, involving other clinical and systemic co-factors. PubMed, Google Scholar, and Cancer Genetics Web databases have been systematically investigated for original articles published in the last two years, reporting studies on the main queries addressed in this work. This review also comparatively describes the impact of environmental and pathological co-factors in different types of cancers, clarifying and updating the role of genetic factors in SCCHN onset and development. The main outcomes reported may be helpful to drive clinicians towards their clinical evaluations for the most appropriate therapeutic approach in SCCHN.     

PMetro: Measurement of urban aerosols on a mobile platform

PMetro is an innovative time/space resolved urban aerosol monitoring and data management system. The core of the monitoring system is a customized optical particle counter (OPC) integrated on a cabin of the metro urban transport system in Perugia (Central Italy). This peculiar arrangement and setup allow regular, real-time measurement of aerosol particles on a well defined path through the city all over the day. The performances of the prototype OPC system have been customized and finally inter-compared with those of similar commercial devices placed at fixed points along the metro line. Data from the mobile system are integrated with environmental measurements from fixed monitoring stations along the metro path in order to attain models of the evolution of urban aerosol pollutants.     

和隆BCS系统与青钢控制系统之间的无扰切换

介绍北京和隆优化控制技术有限公司的高炉热风炉通用优化控制技术(BCS)与青钢4#炉控制系统之间无扰切换的实现方法和应用效果。     

Decalcification of activated paper sludge – Fly ash-Portland cement blended pastes in pure water

Decalcification in pure water of ternary Portland cement (TPC) pastes, containing thermally activated paper sludge and fly ash, has been evaluated from the leaching of Ca²⁺ in pure water at the temperature of 20 °C during 90 days. Monitoring of calcium loss showed that the leaching kinetics are controlled by diffusion. The degradation of the material over time is estimated from the calcium effective diffusivity. A similar study of plain ordinary Portland cement (OPC) pastes was carried out for comparison. The results showed lower effective diffusion coefficients of calcium in the case of the TPC pastes. This behaviour is related to its microstructure, which is denser than that of OPC as a result of the pozzolanic activity of both additions.     

基于VC的上位机与PLC间的OPC通讯

主要通过Visual C++实现了上位机与下位机之间的OPC通讯,概述了OPC com组件的功能及其应用。