We study the relationship between the surface mechanical load represented by distributed acoustic impedance and the current density distribution in a shear mode piezoelectric plate acoustic wave resonator.A theoretica...We study the relationship between the surface mechanical load represented by distributed acoustic impedance and the current density distribution in a shear mode piezoelectric plate acoustic wave resonator.A theoretical analysis based on the theory of piezoelectricity and trigonometric series is performed.In the specific and basic case when the surface load is due to a local mass layer,numerical results show that the current density concentrates under the mass layer and is sensitive to the physical as well as geometric parameters of the mass layer such as its location and size.This provides the theoretical foundation for predicting the surface impedance pattern from the current density distribution,which is fundamental to the relevant acoustic wave sensors.展开更多
Kubernetes is an open-source container management tool which automates container deployment,container load balancing and container(de)scaling,including Horizontal Pod Autoscaler(HPA),Vertical Pod Autoscaler(VPA).HPA e...Kubernetes is an open-source container management tool which automates container deployment,container load balancing and container(de)scaling,including Horizontal Pod Autoscaler(HPA),Vertical Pod Autoscaler(VPA).HPA enables flawless operation,interactively scaling the number of resource units,or pods,without downtime.Default Resource Metrics,such as CPU and memory use of host machines and pods,are monitored by Kubernetes.Cloud Computing has emerged as a platform for individuals beside the corporate sector.It provides cost-effective infrastructure,platform and software services in a shared environment.On the other hand,the emergence of industry 4.0 brought new challenges for the adaptability and infusion of cloud computing.As the global work environment is adapting constituents of industry 4.0 in terms of robotics,artificial intelligence and IoT devices,it is becoming eminent that one emerging challenge is collaborative schematics.Provision of such autonomous mechanism that can develop,manage and operationalize digital resources like CoBots to perform tasks in a distributed and collaborative cloud environment for optimized utilization of resources,ensuring schedule completion.Collaborative schematics are also linked with Bigdata management produced by large scale industry 4.0 setups.Different use cases and simulation results showed a significant improvement in Pod CPU utilization,latency,and throughput over Kubernetes environment.展开更多
Tumor invasion follows a complex mechanism which involves cell migration and proliferation.To study the processes in which primary and secondary metastases invade and damage the normal cells,mathematical models are of...Tumor invasion follows a complex mechanism which involves cell migration and proliferation.To study the processes in which primary and secondary metastases invade and damage the normal cells,mathematical models are often extremely useful.In this paper,we present a mathematical model of acid-mediated tumor growth consisting of radially symmetric reaction-diffusion equations.The assumption on the radial symmetry of the solutions is imposed here in view that tumors present spherical symmetry at the microscopic level.Moreover,we consider various empirical mechanisms which describe the propagation of tumors by considering cancer cells,normal cells,and the concentration of H+ions.Among other assumptions,we suppose that these components follow logistictype growth rates.Evidently,this is an important difference with respect to various other mathematical models for tumor growth available in the literature.Moreover,we also add competition terms of normal and tumor cells growth.We carry out a balancing study of the equations of the model,and a numerical model is proposed to produce simulations.Various practical remarks derived from our assumptions are provided in the discussion of our simulations.展开更多
Corruption and lack of transparency remain critical challenges in governance systems around the world.These issues are often perpetuated by centralized systems and their manipulation by system administrators.Furthermo...Corruption and lack of transparency remain critical challenges in governance systems around the world.These issues are often perpetuated by centralized systems and their manipulation by system administrators.Furthermore,the lack of data ownership and the monetization of user data by tech companies further increase concerns about transparency.In light of these concerns,this study aims to review existing blockchain-based governance models and identify best-practice governance models focusing on corruption transparency,their characteristics,and components.The research will also examine the role of a token economy in addressing trusted third-party issues related to asset ownership management.Furthermore,we discuss the effect of smart contracts,blockchain,decentralized autonomous organizations(DAOs),Web 3.0,and multifactor challenge set self-sovereign identity authentication(MFSSIA)as modern technologies to combat corruption and achieve transparency in the public sector.To achieve this,we conducted a systematic literature review(SLR)comprising peer-reviewed journals,proceedings,and book chapters published between 2012 and 2023.Using the SLR methodology,45 primary and supporting studies have been selected for result extraction and analysis.Finally,we discovered seven blockchain-based governance models with their characteristics and primary components.展开更多
基金supported by the National Natural Science Foundation of China(Nos.11672141,11972199)the Special Research Funding from the Marine Biotechnology and Marine Engineering Discipline Group in Ningbo Universitythe K.C.Wong Magana Fund through Ningbo University。
文摘We study the relationship between the surface mechanical load represented by distributed acoustic impedance and the current density distribution in a shear mode piezoelectric plate acoustic wave resonator.A theoretical analysis based on the theory of piezoelectricity and trigonometric series is performed.In the specific and basic case when the surface load is due to a local mass layer,numerical results show that the current density concentrates under the mass layer and is sensitive to the physical as well as geometric parameters of the mass layer such as its location and size.This provides the theoretical foundation for predicting the surface impedance pattern from the current density distribution,which is fundamental to the relevant acoustic wave sensors.
文摘Kubernetes is an open-source container management tool which automates container deployment,container load balancing and container(de)scaling,including Horizontal Pod Autoscaler(HPA),Vertical Pod Autoscaler(VPA).HPA enables flawless operation,interactively scaling the number of resource units,or pods,without downtime.Default Resource Metrics,such as CPU and memory use of host machines and pods,are monitored by Kubernetes.Cloud Computing has emerged as a platform for individuals beside the corporate sector.It provides cost-effective infrastructure,platform and software services in a shared environment.On the other hand,the emergence of industry 4.0 brought new challenges for the adaptability and infusion of cloud computing.As the global work environment is adapting constituents of industry 4.0 in terms of robotics,artificial intelligence and IoT devices,it is becoming eminent that one emerging challenge is collaborative schematics.Provision of such autonomous mechanism that can develop,manage and operationalize digital resources like CoBots to perform tasks in a distributed and collaborative cloud environment for optimized utilization of resources,ensuring schedule completion.Collaborative schematics are also linked with Bigdata management produced by large scale industry 4.0 setups.Different use cases and simulation results showed a significant improvement in Pod CPU utilization,latency,and throughput over Kubernetes environment.
基金wishes to acknowledge the financial support from the National Council of Science and Technology of Mexico(CONACYT)through grant A1-S-45928.
文摘Tumor invasion follows a complex mechanism which involves cell migration and proliferation.To study the processes in which primary and secondary metastases invade and damage the normal cells,mathematical models are often extremely useful.In this paper,we present a mathematical model of acid-mediated tumor growth consisting of radially symmetric reaction-diffusion equations.The assumption on the radial symmetry of the solutions is imposed here in view that tumors present spherical symmetry at the microscopic level.Moreover,we consider various empirical mechanisms which describe the propagation of tumors by considering cancer cells,normal cells,and the concentration of H+ions.Among other assumptions,we suppose that these components follow logistictype growth rates.Evidently,this is an important difference with respect to various other mathematical models for tumor growth available in the literature.Moreover,we also add competition terms of normal and tumor cells growth.We carry out a balancing study of the equations of the model,and a numerical model is proposed to produce simulations.Various practical remarks derived from our assumptions are provided in the discussion of our simulations.
文摘Corruption and lack of transparency remain critical challenges in governance systems around the world.These issues are often perpetuated by centralized systems and their manipulation by system administrators.Furthermore,the lack of data ownership and the monetization of user data by tech companies further increase concerns about transparency.In light of these concerns,this study aims to review existing blockchain-based governance models and identify best-practice governance models focusing on corruption transparency,their characteristics,and components.The research will also examine the role of a token economy in addressing trusted third-party issues related to asset ownership management.Furthermore,we discuss the effect of smart contracts,blockchain,decentralized autonomous organizations(DAOs),Web 3.0,and multifactor challenge set self-sovereign identity authentication(MFSSIA)as modern technologies to combat corruption and achieve transparency in the public sector.To achieve this,we conducted a systematic literature review(SLR)comprising peer-reviewed journals,proceedings,and book chapters published between 2012 and 2023.Using the SLR methodology,45 primary and supporting studies have been selected for result extraction and analysis.Finally,we discovered seven blockchain-based governance models with their characteristics and primary components.