Hybrid Inflation-Price-Level Targeting in an Economy With Output Persistence

This paper investigates hybrid inflation‐price‐level targeting (HT), employing a Phillips curve with output persistence. By HT we mean that a central bank targets a weighted average of the optimal inflation rate and its corresponding price level. The analysis shows that if output is persistent to some extent, it is desirable to adopt HT because, relative to the case of alternative regimes such as inflation targeting (IT) and price‐level targeting (PT), it will reduce the variability of inflation and thereby social loss. In addition, it is shown that the optimal hybrid‐type target is uniquely determined according to the degree of persistence in output.     

基于管理熵的接包绩效协同激励体系评价研究

本文以猪八戒网为研究对象,结合已往研究成果与猪八戒网调研结果,并将管理熵理论进一步应用于众包情境下,构建综合激励体系,从而测度激励体系协同激励效果。研究表明:目前猪八戒网接包绩效激励系统处于一定的有序状态,各激励指标的激励效果相对良好;二级体系内部指标协同效应较差,应注意"环境公平""品牌效应"与"信息转换机制"三项二级指标对激励系统稳定的干扰;"程序公平"和"交互公平"两项三级指标熵流值为正,对接包绩效产生显著抑制作用。通过测度激励系统的激励效果,有助于及时遏制正熵并提高激励负熵,进而实现总激励熵的下降,对激励盲点的发现与激励措施的动态维护具有重要意义。     

基于混合优化算法的带时间窗的车辆调度问题求解研究

论文建立了带时间窗的车辆调度问题的数学模型，并针对遗传算法在局部搜索能力方面的不足，提出将模拟退火算法与遗传算法相结合，从而构造了求解车辆调度问题的混合优化算法，并进行了实验计算。计算结果表明，用这种混合优化算法求解车辆调度问题，可以在一定程度上用模拟退火算法突跳性克服遗传算法在局部搜索能力方面的不足，从而得到质量较高的解。     

控制火电厂二氧化硫排放的有效途径——排污权交易

目前,我国工业二氧化硫排放量中有42%是火电厂排放的,因此高效控制火电厂的二氧化硫排放是提高空气质量的主要途径。美国利用排污权交易治理火电厂的二氧化硫排放取得了巨大的成功,不仅二氧化硫排放量大幅下降,而且排污权交易也被证明是成本最低的方法。借鉴美国的经验,可以为我国治理火电厂二氧化硫排放提供高效途径。     

浓缩法处理凉亭山水厂排泥水的研究

黄石市凉亭山水厂生产能力为24万m^3／d，在生产过程中，产生了大量的排泥水。对用浓缩法处理排泥水进行了深入研究，具体包括污泥总量的估算，工艺流程的确定及主要设施的构造设计等。浓缩后的排泥水含固率大于3％，上清液SS小于150mg／L。     

飞来峡电厂1~#主变保护装置技术改造

飞来峡电厂1#主变压器保护装置因超期服役、双重化配置要求和省网安评考核需要等原因进行技术改造。该文介绍了本次技改方案的内容,重点阐述方案对新增保护装置选型、配置的技术要求和具体实施过程,点明本次技术改造起到设备更新换代、提高安全系数和满足新形势需要的效果。     

水电站大坝安全等级评定中边坡因素的影响剖析

基于我国水电站大坝安全定期检查的长期实践经验,分析了运行水电站边坡失稳对大坝运行安全的主要影响后果,归纳了边坡稳定状况评价的主要工作和原则,提出了边坡安全级别确定的原则。     

Seasonal Effects of Hydropeaking on Growth,Energetics and Movement of Juvenile Atlantic Salmon (Salmo Salar)

The performance and movements of juvenile Atlantic salmon Salmo salar exposed to variable water discharge (simulating hydropeaking) but with a stable water‐covered area were studied in six experimental stream channels, both during the winter and summer. Thirty fish were stocked into each channel, and the growth, body fat and movements of the fish were followed for about 2.5 months in each season. During the winter, no effect of hydropeaking was documented on performance or movement. In the summer, fish experiencing hydropeaking had lower body mass, lower body fat, and higher movement rates than the control fish. In general, effect sizes were small, and the rapid and frequent changes in water discharge and water level in the present study had small effects on the performance of juvenile Atlantic salmon. The cumulative long‐term effect at the population level is unknown, but a reduced growth rate of 10% and a reduction in body fat of 16% in the hydropeaking experiments in the summer might to some extent translate into increased smolt age and lower overwintering survival. Copyright © 2014 John Wiley & Sons, Ltd.     

龙开口水电站初期下闸蓄水规划设计与实施

龙开口水电站初期蓄水阶段,采用导流底孔闸门局部开启的过流方式,顺利下泄环保流量,满足环保要求。结合蓄水时间对下闸时机进行了深入分析,为合理决策下闸时机提供了依据,对类似工程有一定借鉴作用。     

红外成像技术在GIS设备检漏中的应用

应用红外成像泄漏检测仪器,采用两种方法对三峡电厂、葛洲坝电厂、溪洛渡电厂、向家坝电厂的GIS设备分别进行了检测。结果表明:大面积无目的普查难以发现泄漏点,而对疑有泄漏的地方进行定位检测,当泄漏量达到一定程度时,可以直观地发现泄漏点。