企业信息分布式存储的热点处理策略

为解决企业信息分布式存储中因局部访问过热而导致的一系列问题,提出了新型的分布式存储热点处理策略。该策略将存储对象的热度划分为直接热度、内部热度和间接热度,并且根据该划分提出不同的热点处理子策略,建立了一个企业分布式存储系统的热点处理模型。根据该模型及策略,给出了与之对应的算法,包括信息收集、选择、协商以及扩散4个子算法。分析和应用结果表明,该策略能够减少内部通信量、缩短用户请求延迟、提高系统有效用户。最后,采用该策略的实例验证了它的有效性。

基于智能感知的电力多元数据集群热点处理研究

针对电力多元数据集群中由于访问集中等原因引起集群性能下降的热点问题,提出基于智能感知的电力多元数据集群热点处理方法。在电力系统中安装智能感知设备,并利用该设备采集基础电力数据。以采集并完成预处理的电力数据为基础,利用数据集成整合的方式,得到电力多元数据集群,并在其中挖掘出热点信息数据。最终通过聚类、迁移等方式,实现对电力多元数据集群中热点数据的处理。通过对比实验得出结论:设计的热点处理方法可以有效降低数据集群中的热点负载,从而提高电力数据管理的吞吐量,与传统处理方法相比,应用设计的处理方法吞吐量提高了58.33%。

方家山核电厂放射性热点浅析

为了优化压水堆核电厂放射性热点的管控,降低放射性热点对集体剂量的贡献和影响,通过分析和明确周期性放射性热点产生的机理,以便采取针对性的措施进行处理,降低现场辐射水平,实现辐射防护最优化。

Influence of thermomechanical treatments on localized corrosion susceptibility and propagation mechanism of AA2099 Al-Li alloy

In order to manifest the influence of specific microstructural component on the development of severe localized corrosion in an AA2099 aluminum-lithium alloy, the corrosion behavior of the alloy subjected to solution heat treatment, cold working and artificial ageing was investigated. Immersion testing and potentiodynamic polarization were employed to introduce localized corrosion; scanning electron microscopy and transmission electron microscopy were used to characterize the alloy microstructure and corrosion morphology. It was found that the susceptibility of the alloy to severe localized corrosion was sensitive to thermomechanical treatments. Additionally, the state of alloying elements influenced the mechanism of localized corrosion propagation. Specifically, the alloy in T8 conditions showed higher susceptibility to severe localized corrosion than that in other conditions. During potentiodynamic polarization, the alloy in solution heat-treated and T3 conditions displayed crystallographic corrosion morphology while the alloy in T6 and T8 conditions exhibited selective attack of grain interiors and grain boundaries in local regions.

基于情境感悟的地理素养教学探索与实践

在新高考的背景下,本文从"引导学生体验生活、感悟地理过程、区域地理比较思维、丰富感知和热点问题"五个方面展开探讨,引导学生如何基于真实情境体验真实生活,体悟地理思维过程,落实地理学科核心素养。