钻井井控仿真中多Agent系统建模研究

针对钻井井控作业特点及传统钻井井控仿真系统的不足之处,提出利用多智能体(Agent)技术,建立一种新型的基于Agent的智能化分布式井控仿真模型。利用Agent的自主性、协作性和反应性,使井控设备的操作在任意状况下都能够及时准确地反映各种井控规律及井控现象。对钻井井控仿真多Agent系统模型、各Agent的内部结构、Agent的知识表示方法及Agent间通信方式进行了详细阐述。给出了基于Agent的正常钻井井控仿真训练实例,较好地解决了传统井控仿真系统中灵活性和并发性较差的问题,增强了井控仿真系统的综合训练能力。     

一种基于像素自适应仲裁的OSD分层混合结构设计

数据混合是OSD分层显示的关键技术之一.本文基于OSD的分层结构及数据组织结构特点,提出一种OSD分层显示的单混合结构,该结构采用基于像素自适应仲裁的策略,按照层优先级次序,对多个OSD图层信号实时地切换显示.FPGA验证结果表明,该结构在满足OSD分层混合显示、实现菜单选择鼠标控制等高级人机对话功能的前提下,其硬件资源开销比多混合结构节省约33%以上,且具有良好的层次可扩展性和操作灵活性.     

Electrochemical determination of estradiol using a poly(l-serine) film-modified electrode

A thin film of poly(l-serine) was prepared via electropolymerization for the determination of trace levels of estradiol. In pH 5.0 phosphate buffer, l-serine was oxidized during the cyclic potential sweeps between −0.60 and 2.0 V, forming a thin film at the electrode surface. The electrochemical behavior of estradiol was investigated. The oxidation peak potential of estradiol shifts negatively at the poly(l-serine) film-coated glassy carbon electrode (GCE) compared with that at the bare GCE. Otherwise, the oxidation peak current greatly increases at the poly(l-serine) film-modified GCE. These phenomena suggest that the poly(l-serine) film exhibits catalytic activity towards the electrochemical oxidation of estradiol. Based on this, a sensitive, rapid and simple electrochemical method was proposed for the determination of estradiol. The limit of detection is evaluated to be 2.0 × 10⁻⁸ mol L⁻¹. Finally, this method was successfully used to determine estradiol in blood serum.     

脱硫副反应及副盐回收技术研究

通过例举生成Na2S2O3、Na2SO4、NaCNS的副反应,阐述了碱性水溶液脱除H2S多过程中发生的脱硫副反应,分析了温度、pH值和运转时间与生成物Na2S3O3的关系;简述了副产物对脱硫的影响;论述了回收Na2S3O3、NaCNS、(NH4)2S2O3、NH4CNS以及采用硫酸法和盐酸法精制NaCNS的基本原理和工艺流程;介绍了Na2S2O3等副盐的产品质量标准.     

首钢2号高炉的技术进步

介绍首钢2号高炉大修采用的新技术、开炉操作和投产以来的生产情况。     

GSM技术在配电网故障自动隔离及恢复系统的应用

为了使配电网故障的隔离和恢复的通讯更加可靠、迅速、经济，设计了一种基于GSM通讯技术，借助移动通讯系统短信业务和数据业务，实现配电网故障的自动隔离与恢复的系统。该系统通过MCU采集数据，判断故障位置与故障类型，经GSM通讯模块上传主站，主站统筹全局，实现故障段的切除，非故障区的供电。阐述了系统的工作原理、硬件结构、通讯协议和软件流程。现场的实际运行情况证明数据上报通讯准确率为100％，多次模拟线路故障，根据故障点的不同，一般在2～3min内系统都能可靠的隔离故障，恢复系统。     

Diamino telechelic polybutadienes for solventless styrene-butadiene-styrene (SBS) triblock copolymer formation

High molecular weight, high functionality diamino telechelic polybutadienes (TPBs) were synthesized by ring-opening metathesis polymerization (ROMP) of 1,5-cyclooctadiene (COD) in the presence of a chain transfer agent, 1,8-dicyano-4-octene, followed by lithium aluminum hydride reduction. Melt coupling of diamino TPB with anhydride-terminated polystyrene (PS-anh) resulted in the formation of styrene-butadiene-styrene (SBS) triblock copolymers; ca. 80% maximum conversion of PS-anh was achieved within 30 s. The results from SAXS, TEM, and rheological measurements of the coupling products confirmed the formation of SBS triblock copolymers having lamellar morphology. A fluorescent-labeled PS-anh was used to study the coupling kinetics by diluting the reactants by the addition of non-functional PS.