Optimization of Interactive Videos Empowered the Experience of Learning Management System

The Learning management system(LMS)is now being used for uploading educational content in both distance and blended setups.LMS platform has two types of users:the educators who upload the content,and the students who have to access the content.The students,usually rely on text notes or books and video tutorials while their exams are conducted with formal methods.Formal assessments and examination criteria are ineffective with restricted learning space which makes the student tend only to read the educational contents and videos instead of interactive mode.The aim is to design an interactive LMS and examination video-based interface to cater the issues of educators and students.It is designed according to Human-computer interaction(HCI)principles to make the interactive User interface(UI)through User experience(UX).The interactive lectures in the form of annotated videos increase user engagement and improve the self-study context of users involved in LMS.The interface design defines how the design will interact with users and how the interface exchanges information.The findings show that interactive videos for LMS allow the users to have a more personalized learning experience by engaging in the educational content.The result shows a highly personalized learning experience due to the interactive video and quiz within the video.

Interactions of Water Management and Nitrogen Fertilizer on Nitrogen Absorption and Utilization in Rice

The interactions of water management and nitrogen fertilizer on nitrogen absorption and utilization were studied in rice with Wuxiangjing9 (japonica). The results showed that the nitrogen uptake and remaining in straw increased and the percentage of nitrogen translocation (PNT) from vegetative organs, nitrogen dry matter production efficiency (NDMPE) and nitrogen grain production efficiency (NGPE) decreased with nitrogen increasing. The nitrogen uptake and NGPE decreased when severe water stressed. However, rice not only decreased the nitrogen uptake but also increased the PNT from vegetative organs, NDMPE and NGPE when mild water stressed. There were obvious interactions between nitrogen fertilizer and water management, such as with water stress increasing the effect of nitrogen on increasing nitrogen uptake was reduced and that on decreasing NDMPE was intensified.

Current advances in pathogen-plant interaction between Verticillium dahliaeand cotton provide new insight in the disease management

Verticillium wilt is the second serious vascular wilt caused by the phytopathogenic fungus Verticillium dahliae Kleb.It has distributed worldwide,causing serious yield losses and fiber quality reduction in cotton production.The pathogen has developed different mechanisms like the production of cell wall degrading enzymes,activation of virulence genes and protein effectors to succeed in its in fection.Cott on plant has also evolved multiple mechanisms in response to the fungus infection,including a strong production of lignin and callose deposition to strengthen the cell wall,burst of reactive oxygen species,accumulation of defene hormones,expression of defense-related genes,and target-directed strategies like cross-kingdom RNAi for specific virulent gene silencing.This review summarizes the recent progress made over the past two decades in understanding the interactions between cotton plant and the pathogen Verticillium dahliae during the infection process.The review also discusses the achievements in the control practices of cotton verticillium wilt in recent years,including cultivation practices,biological control,and molecular breeding strategies.These studies reveal that effective management strategies are needed to control the disease,while cultural practices and biological control approaches show promising results in the future.Furthermore,the biological control approaches developed in recent years,including antagonistic fungi,endophytic bacteria,and host induced gene sile ncing strategies provide efficie nt choices for in teg rated disease management.

A DYNAMIC CROSS-LAYER DATA QUEUE MANAGEMENT APPROACH BASED ON PRIORITY FOR DELAY-TOLERANT MOBILE SENSOR NETWORKS

This paper presents a Dynamic Cross-layer Data Queue Management approach (DC-DQM) based on priority to address the priority deviation problem in Delay-Tolerant Mobile Sensor Networks (DT-MSNs). Receiver-driven data delivery scheme is used for fast response to data transfers, and a priority based interaction model is adopted to identify the data priority. Three interactive parameters are introduced to prioritize and dynamically manage data queue. The experimental results show that it can ameliorate data delivery ratio and achieve good performance in terms of average delay.

Interaction between supply chain risk and organizational performance

To offer a theoretic guidance to practice, on the basis of the work in an emerging strand of supply chain management and by matching the constructs of performance and risk together, a framework between supply chain risk management and organizational performance is developed. The framework includes a series of mutually associated processes as follows: risk sources and profiles, risk and performance drives, risk and performance consequences, risk management responses, and risk and performance outcomes. Furthermore, every process is elaborated on in detail. Thereinto, organizational performance consists of efficiency and effectiveness which is linked to risk drivers and risk management responses. Finally, some necessary discussions and supplements are put forward from a practical point of view. This study is to some extent expected to be conducive to the theories and the practice of supply chain management for contemporary enterprises.

Cross-Layer Design for EH Systems with Finite Buffer Constraints

Energy harvesting(EH)technology in wireless communication is a promising approach to extend the lifetime of future wireless networks.A cross-layer optimal adaptation policy for a point-to-point energy harvesting(EH)wireless communication system with finite buffer constraints over a Rayleigh fading channel based on a Semi-Markov Decision Process(SMDP)is investigated.Most adaptation strategies in the literature are based on channeldependent adaptation.However,besides considering the channel,the state of the energy capacitor and the data buffer are also involved when proposing a dynamic modulation policy for EH wireless networks.Unlike the channeldependent policy,which is a physical layer-based optimization,the proposed cross-layer dynamic modulation policy is a guarantee to meet the overflow requirements of the upper layer by maximizing the throughput while optimizing the transmission power and minimizing the dropping packets.Based on the states of the channel conditions,data buffer,and energy capacitor,the scheduler selects a particular action corresponding to the selected modulation constellation.Moreover,the packets are modulated into symbols according to the selected modulation type to be ready for transmission over the Rayleigh fading channel.Simulations are used to test the performance of the proposed cross-layer policy scheme,which shows that it significantly outperforms the physical layer channel-dependent policy scheme in terms of throughput only.

Mobility Trigger Management: Implementation and Evaluation

Modern mobile devices have several network interfaces and can run various network applications. In order to remain always best connected, events need to be communicated through the entire protocol stack in an efficient manner. Current implementations can handle only a handful of low level events that may trigger actions for mobility management, such as signal strength indicators and cell load. In this paper, we present a framework for managing mobility triggers that can deal with a greater variety of triggering events, which may originate from any component of the node’s protocol stack as well as mobility management entities within the network. We explain the main concepts that govern our trigger management framework and discuss its architecture which aims at operating in a richer mobility management framework, enabling the deployment of new applications and services. We address several implementation issues, such as, event collection and processing, storage, and trigger dissemination, and introduce a real implementation for commodity mobile devices. We review our testbed environment and provide experimental results showcasing a lossless streaming video session handover between a laptop and a PDA using mobility and sensor-driven orientation triggers. Moreover, we empirically evaluate and analyze the performance of our prototype. We position our work and implementation within the Ambient Networks architecture and common prototype, centring in particular on the use of policies to steer operation. Finally, we outline current and future work items.

Design and evaluation of window management operations in AR headset+smartphone interface

Background The combination of an augmented reality(AR)headset and a smartphone can simultaneously provide a wider display and a precise touch input;it can redefine the way we use applications today.However,users are deprived of such benefits owing to the independence of the two devices.There is a lack of intuitive and direct interactions between them.Methods In this study,we conduct a formative investigation to understand the window management requirements and interaction preferences of using an AR headset and a smartphone simultaneously and report the insights we gained.In addition,we introduce an example vocabulary of window management operations in the AR headset and smartphone interface.Results This allows users to manipulate windows in a virtual space and shift windows between devices efficiently and seamlessly.

Disaster Risk Reduction and Management: Recalling the Need for Paradigm Shift in Definition

The paper articulates the need for a paradigm shift in defining the basis of what constitutes a disaster. This new framework must be sensitive to the need for a more theoretical approach to inform disaster and hazard management. Central to this is that the resulting approach cannot be muddled in linear rational and procedural doctrines but appreciate the dynamics of complex nonlinearity of disaster events. By engaging in thought experiment and critical analysis of existing literature, the paper deconstructs the normative paradigm of defining disaster. The end is to inform disaster management and risk reduction intervention and mitigation programmes. The presented alternative approach is sensitive of the need to equally include;spatial, political, social, parameters. These are appreciated as being equally important as those dealing with ecological and economic. The resulting not only include other elements, but also expands the definition to the complex conditions inherent in the origin of phenomena to the interaction of the phenomena with multiple and complex socio-spatial and demographic dynamics, and then appreciating the complex results of this nonlinear interaction. The need for a more substantive definition of disaster underlines the pre-analysis that is necessary for implementation of mitigation and prevention strategies. That disasters are becoming more complex is synonymous with the complexities inherent in post-war development dynamics.

Visualization aided system of hydropower engineering management

For the purpose of realizing the information visualization of hydropower engineering management,we constructed three kinds of graphics models sorted by hierarchy for system modelling,employed the construction simulation system to simulate the real-time construction behaviours,introduced the graphics rendering system to organize and update the virtual scene,and designed the interaction system to respond to the user-initiated and simulation-initiated events.So,the real-time,interactive visualization aided system of hydropower engineering management is developed.Eventually,the effectiveness and capabilities of the system are showed through the application examples in China.

基于分布鲁棒优化的车-站-网日前能量管理与交易

为考虑上级电网电价、光伏出力等多重多层级不确定性对车-站-网互动博弈模型的影响,且充分体现配电网主动管理技术支撑效果,文中提出了一种基于分布鲁棒优化的车-站-网能量管理与交易方法。首先,针对主动配电网内多元主体能量管理与交易问题,建立了配电网运营商、充电站和电动汽车的日前市场互动框架。其次,融合主动网络管理技术和网络约束,在配电网运营商与聚合了电动汽车的多个充电站之间构建了以多主体各自利益最大为目标的双层Wasserstein分布鲁棒互动博弈模型。然后,提出了结合Karush-Kuhn-Tucker条件、对偶原理和大M法的化简方法以解决多层级不确定性造成的求解难题,将双层Wasserstein分布鲁棒模型转化为单层混合整数二阶锥规划模型,并利用商业求解器YALMIP/GUROBI进行了求解。最后,通过算例仿真验证了所提模型和方法的有效性。

以互动达标理论为指导的延续性护理结合家属赋权理论干预对慢性萎缩性胃炎患者疾病自我管理能力及疾病感知压力的影响

目的探讨以互动达标理论为指导的延续性护理结合家属赋权理论干预对慢性萎缩性胃炎患者疾病自我管理能力及疾病感知压力的影响。方法选取2021年9月至2022年8月收治的90例慢性萎缩性胃炎患者为研究对象,按照随机数字表法将其分为对照组与观察组,各45例。对照组接受常规护理,观察组在对照组基础上接受以互动达标理论为指导的延续性护理结合家属赋权理论干预。比较两组的干预效果。结果干预后,观察组的疾病沟通能力、病情应急处理能力、服药管理能力、饮食管理能力评分高于对照组(P<0.05)。干预后,观察组的疾病感知压力程度优于对照组(P<0.05)。观察组的病情控制率高于对照组,病情复发率低于对照组(P<0.05)。结论以互动达标理论为指导的延续性护理结合家属赋权理论干预可提高慢性萎缩性胃炎患者的疾病自我管理能力,降低疾病感知压力,提高病情控制率,降低复发风险,值得在临床实践中推广及应用。

车载信息交互系统复杂性设计管理发展研究

目的梳理车载信息交互系统及其复杂性管理的发展脉络,并提出多元设计策略以指导车载信息交互系统设计。方法首先利用Vosviewer进行文献检索,梳理出目前车载信息交互领域的研究热点;然后通过文献回顾的方式总结传统车载信息交互系统的复杂性演变;最后利用Design X的设计策略,从用户、系统、信息等角度,分析数智时代下的车载信息交互系统存在的任务复杂性及交互复杂性。结论基于Design X的设计策略,从用户群体分析、车载信息优化、智慧交通系统搭建等角度,提出有关管理车载信息交互系统复杂性的多元设计策略,为后续车载信息交互设计提供参考。

电商客服对话提示信息的双任务操作注意分配研究

目的 为研究双任务操作下,不同类型对话提示信息对电商客服注意分配的影响.方法 选取视觉呈现位置和三种常见提示音为自变量,设计了三种实验情景:只呈现两种位置差异的视觉信息、只呈现三种不同的听觉信息、同时呈现视听觉组合信息,对被试人员操作过程中的反应时及正确率进行了分析.结果 电商客服人员在同时接收视听觉对话提示信息时,存在注意分配,视觉上更偏向左侧,听觉上更偏向于机械提示音,当位于左侧的视觉对话提示信息与钢琴音同时出现时,电商客服的操作表现优于其他组合的视听觉对话提示信息.结论 研究对话提示信息双任务操作的注意分配,为电商企业提升客服注意力培训、设计对话提示信息具有一定指导意义.

生长痛患儿疼痛持续时间及影响因素分析

目的了解生长痛患儿疼痛持续时间并分析其影响因素,为护理人员开展针对性的健康指导提供参考。方法采用便利抽样法,选取确诊为生长痛的748例患儿作为调查对象,使用自制一般资料调查表和生长痛患儿疼痛症状及影响因素调查表进行调查。结果共回收有效问卷730份。其中464例(63.56%)患儿每次疼痛持续时间<30 min,266例(36.44%)每次疼痛持续时间≥30 min。logistic回归分析显示,年龄、生长痛发生当天身体活动持续时间>60 min、不合群是生长痛疼痛持续时间≥30 min的危险因素,患儿初发生长痛后补充维生素D、热敷是保护因素(均P<0.05)。结论大部分患儿每次疼痛持续时间<30 min,但受到运动、心理行为、照护者应对方式等多方面因素的影响。建议护理人员通过运动指导、认知行为疗法帮助患儿积极应对疼痛,加强健康教育以提高生长痛患儿照护者的疾病认知水平,促进其积极采取个性化的干预措施缩短患儿疼痛持续时间,改善患儿疼痛体验。

环境智能在慢性病管理中的应用研究进展

从环境智能的概念、发展背景、特征及其在慢性病管理中的应用进展进行综述,分析环境智能在技术、隐私、安全、公平性等方面面临的机遇与挑战,旨在为我国环境智能技术在慢性病管理中的应用和发展提供参考。

企业内部审计与合规管理互动实现研究

随着市场经济的不断发展,企业不断扩大规模,使得企业面临着一定的管理风险和市场风险。企业内部审计和合规管理作为企业内控的重要构成要素,其完善与发展受到广泛关注。本文旨在厘清企业内部审计与合规管理之间的关系,从重执理念、信息交融、持续提升、预见成效等方面形成企业内部审计与合规管理互动的实现路径,从而为推动企业现代化进程提供参考依据。

糖尿病综合管理中的药物相互作用调查与分析

目的分析糖尿病综合管理中药物相互作用(DDI)的特点及影响因素。方法使用Lexi-InteractTM数据库,筛选糖尿病综合管理中降血糖药、降血压药、调血脂药、减重药的DDI,根据严重程度分为X级(避免联用)、D级(考虑调整治疗)、C级(需监控治疗)、B级(无须调整)、A级(无DDI);收集上海某三级甲等医院2型糖尿病并心肌梗死患者的病例资料,并根据患者的DDI数量分为低DDI组(<5组DDI)和高DDI组(≥5组DDI),分析DDI的特点及影响因素。结果共纳入109种药物,其中降血压药、降血糖药、调血脂药、减重药分别有57种、32种、19种、1种,DDI分别有5091组、1086组、723组、15组。除减重药外,其余3种药物DDI总数最多的分别为钙通道阻滞剂(CCB)、磺脲类药物、他汀类药物;X级药物DDI数量排名前3的药物分别为他汀类药物、CCB类药物及β受体拮抗药。共纳入患者69例,其中低DDI组和高DDI组分别有26例、43例,影响患者DDI总数的危险因素包括患者合并用药数量、慢性肾脏病(CKD)1-3期,以及糖化血红蛋白、糖化白蛋白和空腹血糖水平(P<0.05)。结论控制合并用药数量并保持良好的血糖水平,有利于减少糖尿病综合管理中的DDI。

智慧重症监护室建设背景下生命支持设备的临床辅助决策效能分析

目的:基于医院智慧重症监护室(ICU)建设,分析智慧ICU病房生命支持设备在临床辅助决策中的效能。方法:设计智慧ICU病房交互系统、设备管理系统、风险应对系统和智能查房系统功能模块,实时采集生命支持设备在诊疗、护理、运行和技术保障中的信息数据,为危重症患者诊疗和护理措施改善提供医疗辅助决策依据。选取2018年7月1日至2022年12月31日上海市青浦区朱家角人民医院等3家医院临床在用的115台生命支持设备,分别采用传统辅助决策管理模式(简称传统管理模式,83台)和智慧辅助决策管理模式(简称智慧管理模式,89台,含传统管理模式中57台和新增加的32台)管理,对比两种管理模式生命支持设备的管理水平和管理效果。结果:智慧管理模式下的设备数据采集时间为(5.67±2.80)min,少于传统管理模式,数据采集准确率和完整度,以及设备调配使用、监测报警、设备故障和紧急应答的有效解决率分别为(99.02±1.14)%、(94.35±3.46)%、(98.78±0.90)%、(98.99±0.91)%、(88.26±5.31)%和(90.23±5.54)%,均高于传统管理模式,其差异有统计学意义(t=6.504、6.474、3.574、7.620、6.784、4.522、3.719,P<0.05);智慧管理模式下的设备治疗、护理和康复的诊断决策有效利用率分别为(93.83±3.12)%、(94.99±2.47)%和(91.44±4.62)%,呼吸功能支持设备、循环功能支持设备、血液净化支持设备和急救监测支持设备的综合评分分别为(92.97±4.35)分、(94.34±2.95)分、(93.01±2.44)分和(94.11±1.89)分,均高于传统管理模式,其差异有统计学意义(t=4.169、4.875、5.159、4.069、3.033、2.757、6.893,P<0.05)。结论:基于智慧ICU建设能够提高生命支持设备运行数据采集质量,及时解决设备运行问题,为危重症患者诊疗、护理和康复的诊断决策提供有效依据,提升设备临床服务水平。