To describe the dynamic propcrty of trust relationship, wt propose atime-related trust model and extend Joang's subjective logic to fit for time-related trust model.The extension includes prepositional conjunction...To describe the dynamic propcrty of trust relationship, wt propose atime-related trust model and extend Joang's subjective logic to fit for time-related trust model.The extension includes prepositional conjunction, disjunction and negation for traditional logic anddiscounting and consensus operators that are evidential operators specially designed for thepropagation and computation of trust relationships. With the extension of subjective logic fortime-related trust, our time-related trust modelis suitable to model the dynamic trust relationshipin practice. Finally an example of reputation assessment is offered to demonstrate the usage of ourtrust model.展开更多
Schottky diodes and PN junctions were utilized as energy converting structures in ZnO-based betavoltaic batteries,in which 0.101121 Ci 63Ni was selected as the beta source.The time-related electrical properties were o...Schottky diodes and PN junctions were utilized as energy converting structures in ZnO-based betavoltaic batteries,in which 0.101121 Ci 63Ni was selected as the beta source.The time-related electrical properties were obtained using Monte Carlo simulations.For the n-type ZnO,the Pt/ZnO Schottky diode had the highest energy conversion efficiency,and the Ni/ZnO Schottky diode had the largest Isc.The overall electrical performance of PN junctions is better than that of Schottky diodes.The lifetimes of Pt/ZnO and Ni/ZnO are longer than for other Schottky devices,coming close to those of PN junctions.Considering that Schottky diodes are easier to fabricate and independent of p-type semiconductors,Pt/ZnO and Ni/ZnO diodes offer alternatives to PN-junction-based betavoltaic batteries.展开更多
In this paper,a mutualism model with stochastic perturbations is considered and some of its coefficients are related to time.Under some assumptions,we make efforts to prove the existence and uniqueness of a positive s...In this paper,a mutualism model with stochastic perturbations is considered and some of its coefficients are related to time.Under some assumptions,we make efforts to prove the existence and uniqueness of a positive solution,and the asymptotic behavior to the problem is discussed.Furthermore,we also prove the properties of stochtistic boundedness,uniform continuity and stochastic permanence of this system.At last,some numerical simulations are introduced to illustrate our main results.展开更多
以韩国国立国语院的韩语学习者语料库为资料,以母语为中国语的韩国语学习者为研究对象,对时间关系连接语尾■的使用错误类型及其原因进行全面的分析。其错误类型主要有两大类,即形态错误和替代错误。形态错误主要体现在主语制约,时态制...以韩国国立国语院的韩语学习者语料库为资料,以母语为中国语的韩国语学习者为研究对象,对时间关系连接语尾■的使用错误类型及其原因进行全面的分析。其错误类型主要有两大类,即形态错误和替代错误。形态错误主要体现在主语制约,时态制约和异形态的选择等方面。替代错误主要体现为和■的替代,和■的替代,和■的替代,和■的替代等方面。错误原因分为 3 种:语言间转移(Interlingual Transfer);语言内转移(Intealinguistic Transfer);学习的环境(Con text of Learning)等。错误原因分析结果为"形态错误"主要原因为"学习的环境"。和■的替代错误的主要原因是"语言内转移"和"语言间转移"。和■的替代错误原因主要为"语言内转移"和"学习的环境"和■的替代及其他语法之间的替代错误比较复杂,主要体现在"学习的环境"。展开更多
文摘To describe the dynamic propcrty of trust relationship, wt propose atime-related trust model and extend Joang's subjective logic to fit for time-related trust model.The extension includes prepositional conjunction, disjunction and negation for traditional logic anddiscounting and consensus operators that are evidential operators specially designed for thepropagation and computation of trust relationships. With the extension of subjective logic fortime-related trust, our time-related trust modelis suitable to model the dynamic trust relationshipin practice. Finally an example of reputation assessment is offered to demonstrate the usage of ourtrust model.
基金supported by the National Major Scientific Instruments and Equipment Development Projects(No.2012YQ240121)National Natural Science Foundation of China(No.11075064)
文摘Schottky diodes and PN junctions were utilized as energy converting structures in ZnO-based betavoltaic batteries,in which 0.101121 Ci 63Ni was selected as the beta source.The time-related electrical properties were obtained using Monte Carlo simulations.For the n-type ZnO,the Pt/ZnO Schottky diode had the highest energy conversion efficiency,and the Ni/ZnO Schottky diode had the largest Isc.The overall electrical performance of PN junctions is better than that of Schottky diodes.The lifetimes of Pt/ZnO and Ni/ZnO are longer than for other Schottky devices,coming close to those of PN junctions.Considering that Schottky diodes are easier to fabricate and independent of p-type semiconductors,Pt/ZnO and Ni/ZnO diodes offer alternatives to PN-junction-based betavoltaic batteries.
基金The work was supported by the National Natural Science Foundation of China(No.11701271).
文摘In this paper,a mutualism model with stochastic perturbations is considered and some of its coefficients are related to time.Under some assumptions,we make efforts to prove the existence and uniqueness of a positive solution,and the asymptotic behavior to the problem is discussed.Furthermore,we also prove the properties of stochtistic boundedness,uniform continuity and stochastic permanence of this system.At last,some numerical simulations are introduced to illustrate our main results.
文摘以韩国国立国语院的韩语学习者语料库为资料,以母语为中国语的韩国语学习者为研究对象,对时间关系连接语尾■的使用错误类型及其原因进行全面的分析。其错误类型主要有两大类,即形态错误和替代错误。形态错误主要体现在主语制约,时态制约和异形态的选择等方面。替代错误主要体现为和■的替代,和■的替代,和■的替代,和■的替代等方面。错误原因分为 3 种:语言间转移(Interlingual Transfer);语言内转移(Intealinguistic Transfer);学习的环境(Con text of Learning)等。错误原因分析结果为"形态错误"主要原因为"学习的环境"。和■的替代错误的主要原因是"语言内转移"和"语言间转移"。和■的替代错误原因主要为"语言内转移"和"学习的环境"和■的替代及其他语法之间的替代错误比较复杂,主要体现在"学习的环境"。
