网络个体用户遭受感染下病毒免疫滤波控制算法

网络个体用户在遭受病毒入侵干扰下,由于病毒入侵信号对单个个体用户入侵的不确定性,难以实现对病毒的有效控制和免疫。提出一种基于自适应功率谱密度特征提取的网络个体用户遭受感染下病毒免疫滤波控制算法,首先进行网络病毒面入侵信号的模型构建,设计滤波控制算法实现对网络个体用户遭受感染下的病毒免疫控制。设计网络个体用户遭受感染下的病毒免疫模型,进行网络个体用户遭受感染下病毒入侵路径和安全属性分析。设计基于自适应功率谱密度特征提取的网络个体用户遭受感染下病毒免疫滤波控制算法,实现对用户遭受感染下的病毒入侵信号的滤波检测和控制。仿真实验结果表明,该算法能有效实现对病毒入侵路径和强度幅值的准确跟踪控制,免疫滤波效果较好,对病毒信号的检测概率提高15.7%,实时性和鲁棒性优越于传统方法,保证了网络个体用户的安全。     

Microfluidic reactors for visible-light photocatalytic water purification assisted with thermolysis

Photocatalytic water purification using visible light is under intense research in the hope to use sunlight efficiently, but the conventional bulk reactors are slow and complicated. This paper presents an integrated microfluidic planar reactor for visible-light photocatalysis with the merits of fine flow control, short reaction time, small sample volume, and long photocatalyst durability. One additional feature is that it enables one to use both the light and the heat energy of the light source simultaneously. The reactor consists of a BiVO₄-coated glass as the substrate, a blank glass slide as the cover, and a UV-curable adhesive layer as the spacer and sealant. A blue light emitting diode panel (footprint 10 mm × 10 mm) is mounted on the microreactor to provide uniform irradiation over the whole reactor chamber, ensuring optimal utilization of the photons and easy adjustments of the light intensity and the reaction temperature. This microreactor may provide a versatile platform for studying the photocatalysis under combined conditions such as different temperatures, different light intensities, and different flow rates. Moreover, the microreactor demonstrates significant photodegradation with a reaction time of about 10 s, much shorter than typically a few hours using the bulk reactors, showing its potential as a rapid kit for characterization of photocatalyst performance.     

Programmed sample delivery on a pressurized paper

This paper reports a method to control the fluid flow in paper-based microfluidic devices simply by pressing over the channel surface of paper, thereby decreasing the pore size and permeability of a non-woven polypropylene sheet. As a result, fluid resistance is increased in the pressed region and causes flow rate to decrease. We characterize the decrease of flow rate with respect to different amounts of pressure applied, and up to 740% decrease in flow velocity was achieved. In addition, we demonstrate flow rate control in a Y-shaped merging paper and sequential delivery of multiple color dyes in a three-branched paper. Furthermore, sequential delivery of multiple fluid samples is performed to demonstrate its application in multi-step colorimetric immunoassay, which shows a 4.3-fold signal increase via enhancement step.     

我国农民工社会保障的现状及存在问题

农民工的产生及现状有着深刻的社会背景;分析我国农民工社会保障的现状,从思想、经济、政策执行、保护机构等方面说明了其缺失的原因;从现行的农民工社会保障可能带来的危害出发,说明建立完善的农民工社会保障的必要性和可行性;建立完善的农民工社会保障应该遵循的原则,并以此原则的作为指导,提出了具体的措施。     

微型党课平台下学习型党支部探索研究

微型党课是以短小精悍的形式,每课在15原20分钟内完成,由党员围绕一个主题,选择一个很小的切入口,联系自身的学习、经历和感悟,进行深入浅出的讲述,科学、生动地阐述一个鲜明正确的观点。这是一种有别于领导、专家讲课的党员自我教育形式,学校每位党员教师都是主讲者,参加对象是学院全体学生党员,并吸收发展对象参加听课。“微型党课”实现了党建工作的场所从教学区逐步转向生活区,加强生活区阵地的依托与建设,实现学生党建工作全方位覆盖。     

核心力量训练对于排球运动员影响的实验研究

核心力量在维持平衡、协调用力、预防损伤等方面的作用都已得到了实验验证,决定着运动员运动成绩的发展水平。固本研究以我校12名校排球队运动员为研究对象,通过两个月的运动训练实验,探索实验中所采用的训练方案与我校排球运动员核心力量变化之间的变化关系。     

构建大学物理课程考核评价体系的探索

本文分析了现今大学物理课程考核评价体系存在的不足,提出了构建物理课程考核评价体系的原则,并在此基础上构建了一套科学、合理的物理课程考核评价体系。     

CUBS品牌战略的内外部环境因素分析

本文运用文献资料法和问卷调查法,基于战略管理的框架,对大学生篮球超级联赛所处的政治、经济、社会、文化等外部环境和竞赛体制、竞技水平、篮球产业、CUBA基础等内部影响因素进行分析,阐述背景、剖析问题,为大超联赛品牌战略的制定夯实基础。     

数字图书馆基于内容的多分辩率颜色特征检索和相关反馈技术

数字图书馆中海量多媒体信息无序激增使基于内容的图像检索技术成为一个研究热点。为了克服只考虑普通颜色特征不考虑颜色的空间分布这一缺点,采用一种多分辨率分块主色法的空间颜色索引技术,并将相关反馈技术融合到多分辨率分块主色算法中,可有效地改善基于颜色特征的查询效果。文章还指出了目前研究中存在的主要问题和今后的研究方向。     

基于知识服务与知识管理的教育信息化策略研究

文章深刻地阐述了实施知识服务与知识管理是实现教育信息化的最有效策略。为此,就要加强CFED建设,制定知识服务与知识管理的教育信息化解决方案,使我国教育信息化得以真正落实。