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Context-Aware Augmented Reality Using Human-Computer Interaction Models

Journal of Control and Decision 2024年第1期11卷 1-14页

作者： Ying Sun Qiongqiong Guo Shumei Zhao karthik chandran G.Fathima Henan intelligent education and intelligent technology application engineering technology research center Zhengzhou Railway Vocational and technical collegeZhengzhouHenanPeople’s Republic of China Henan Provincial Research Center of Wisdom Education and Intelligent Technology Application Engineering Technology Zhengzhou Railway Vocational and technical collegeZhengzhouHenanPeople’s Republic of China Department of Mechatronics Engineering Jyothi Engineering CollegeKeralaIndia CSE Adhiyamaan College of Engineering HosurTamilnaduIndia

Augmented Reality is a technique that allows users to overlap digital information with their physical *** Augmented Reality(AR)displays have an exceptional characteristic from the Human–Computer Interaction(HCI)*** to its increasing popularity and application in diverse domains,increasing user-friendliness and AR usage are ***-aware is one approach since an AR application can adapt to the user,environment,needs and enhance ergonomic principles and *** paper proposes the Intelligent Contextaware Augmented Reality Model(ICAARM)for Human–Computer Interaction *** study explores and reduces interaction uncertainty by semantically modeling user-specific interaction with context,allowing personalised *** information is captured from an AR device to understand user interactions and *** depictions carry semantics to Augmented Reality applications about the user’s intention to interact with a specific device ***,this study describes personalised gesture interaction in VR/AR applications for immersive/intelligent environments.

关键词： Augmented Reality Context-aware Human–Computer Interaction

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从H1N1血凝素序列提取的沙门氏菌传递的COBRA-HA1抗原对甲型流感亚型产生广谱保护作用

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Engineering 2024年第1期32卷 41-56页

作者： Ram Prasad Aganja Amal Senevirathne chandran Sivasankar John Hwa Lee Department of Veterinary Public Health College of Veterinary MedicineJeonbuk National UniversityIksan 54596Republic of Korea Department of Preventive Medicine College of Veterinary MedicineChungnam National UniversityDaejeon 34134Republic of Korea

A universal vaccine is in high demand to address the uncertainties of antigenic drift and the reduced effectiveness of current influenza *** this study,a strategy called computationally optimized broadly reactive antigen(COBRA)was used to generate a consensus sequence of the hemagglutinin globular head portion(HA1)of influenza virus samples collected from 1918 to 2021 to trace evolutionary changes and incorporate them into the designed *** carrying different HA1regions were delivered into eukaryotic cells by Salmonella-mediated bactofection using a Semliki Forest virus RNA-dependent RNApolymerase(RdRp)-based eukaryotic expression system,*** protein expression was confirmed by Western blot and immunofluorescence *** immunized with the designed constructs produced a humoral response,with a significant increase in immunoglobulin G(IgG)levels,and a cell-mediated immune response,including a 1.5-fold increase in CD4^(+) and CD8^(+)T ***,constructs #1 and #5 increased the production of interferon-γ(IFN-γ)producing CD4^(+)and CD8^(+)T cells,skewing the response toward the T helper type 1 cell(Th1)***,interleukin-4(IL-4)-producing T cells were upregulated *** efficacy was demonstrated,with up to 4-fold higher production of neutralizing antibodies and a hemagglutination inhibition titer>40 against the selected viral *** designed constructs conferred a broadly protective immune response,resulting in a notable reduction in viral titer and minimal inflammation in the lungs of mice challenged with the influenza A/PR8/34,A/Brisbane/59/2007,A/California/07/2009,KBPV VR-92,and NCCP 43021 *** discovery revolutionizes influenza vaccine design and delivery;Salmonella-mediated COBRA-HA1 is a highly effective in vivo antigen presentation *** approach can effectively combat seasonal H1N1 influenza strains and potential pandemic outbreaks.

关键词： COBRA Influenza A Salmonella Vaccine Broad spectral protection

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Safety and efficacy of Kaffes intraductal self-expanding metal stents in the management of post-liver transplant anastomotic strictures

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World Journal of Transplantation 2024年第2期14卷 88-98页

作者： Chee Lim Jonathan Ng Babak Sarraf Rhys Vaughan Marios Efthymiou Leonardo Zorron Cheng Tao Pu Sujievvan chandran Department of Gastroenterology and Hepatology Austin HealthMelbourne HeidelbergVIC 3084Australia Melbourne Medical School The University of MelbourneMelbourne ParkvilleVIC 3052Australia

BACKGROUND Endoscopic management is the first-line therapy for post-liver-transplant anas-tomotic *** the optimal duration of treatment with plastic stents has been reported to be 8-12 months,data on safety and duration for metal stents in this setting is *** to limited access to endoscopic retrograde cholan-giopancreatography(ERCP)during the coronavirus disease 2019 pandemic in our centre,there was a change in practice towards increased usage and length-of-stay of the Kaffes biliary intraductal self-expanding stent in patients with suitable *** was mainly due to the theoretical benefit of Kaffes stents allowing for longer indwelling periods compared to the traditional plastic *** Adult liver transplant recipients aged 18 years and above who underwent ERCP were retrospectively identified during a 10-year period through a database *** admissions post-Kaffes stent insertion were identified manually through electronic and scanned medical *** main outcome was the incidence of complications when stents were left indwelling for 3 months vs 6 *** efficacy was calculated via rates of stricture recurrence between patients that had stenting courses for≤120 d or>120 *** During the study period,a total of 66 ERCPs with Kaffes insertion were performed in 54 patients throughout their stenting *** 33 ERCPs,the stent was removed or exchanged on a 3-month *** pancreatitis,perfor-ations or deaths *** post-ERCP complications were similar between the 3-month(abdominal pain and intraductal migration)and 6-month(abdominal pain,septic shower and embedded stent)groups-6.1%vs 9.1%respectively,P=*** strictures resolved at the end of the stenting course,but the stenting course was variable from 3 to 22 *** recurrence rate for stenting courses lasting for up to 120 d was 71.4%and 21.4%for stenting courses of 121 d or over(P=0.03).There were 28 patients that were treated with a sin

关键词： Liver transplantation Cholangiopancreatography Endoscopic retrograde Constriction Pathologic Self expandable metallic stents Bile duct diseases Cholestasis

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Polymer Modified Banana Pseudo Stem-based Interfacial Solar-driven Evaporation System

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Journal of Bionic Engineering 2022年第3期19卷 752-760页

作者： Vivek chandran Sujith Lal Sudip K.Batabyal Department of Sciences Amrita School of EngineeringAmrita Vishwa VidyapeethamCoimbatoreTamil Nadu641112India Amrita Centre for Industrial Research and Innovation(ACIRI) Amrita School of EngineeringAmrita Vishwa VidyapeethamCoimbatoreTamil Nadu641112India

Interfacial solar-driven evaporation technique is an environmental friendly and cost-effective advanced approach for water purification using solar *** energy sources are effectively utilized using the structural design of evaporators and functional *** this work,we have fabricated a solar-driven interfacial evaporation device with Banana Pseudo Stem(BPS)and a photothermal layer made up of PVA PDMS Carbon(PPC)is attached to *** evaporation rate of 2.03 kg m^(−2) h^(−1) is achieved by the system under 1 sun *** localization on interfacial surface,reflectance of photothermal layer,presence of micro-fluidic channels in BPS were studied using IR imaging,UV-DRS and SEM characterization techniques,*** localization of interfacial temperature around 53℃ and very low reflectance of photothermal layer substantiates high photothermal conversion efficiency of the *** complete purification of water containing high concentration of Rhodamine-B dye using BPS is a novel and simple approach for water *** is an eco-friendly,cost-efficient novel approach in fabrication of interfacial solar-driven evaporation system with high evaporation rate for purification of water containing high concentration of organic dye.

关键词： Banana pseudo stem Polymers Interfacial evaporator Biomaterial Water purification High efficiency

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Optimal Design of Tapered Roller Bearings Based on Multi⁃Physics Objectives Using Evolutionary Algorithms

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Journal of Harbin Institute of Technology(New Series) 2023年第1期30卷 73-84页

作者： Rajiv Tiwari Rahul M.P.chandran Department of Mechanical Engineering Indian Institute of Technology GuwahatiGuwahati 781039India

Rolling element bearing is the most common machine element in rotating *** extended life is among the foremost imperative standards in the optimal design of rolling element bearings,which confide on the fatigue failure,wear,and thermal conditions of *** fill the gap,in the current work,all three objectives of a tapered roller bearing have been innovatively considered respectively,which are the dynamic capacity,elasto-hydrodynamic lubrication(EHL)minimum film⁃thickness,and maximum bearing *** objective function formulations are presented,associated design variables are identified,and constraints are *** solve complex non⁃linear constrained optimization formulations,a best⁃practice design procedure was investigated using the Artificial Bee Colony(ABC)algorithms.A sensitivity analysis of several geometric design variables was conducted to observe the difference in all three *** excellent enhancement was found in the bearing designs that have been optimized as compared with bearing standards and previously published *** present study will definitely add to the present experience based design followed in bearing industries to save time and obtain assessment of bearing performance before *** verify the improvement,an experimental investigation is worthwhile conducting.

关键词： dynamic capacity evolutionary algorithm optimum design tapered roller bearings temperature tolerance analysis

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