In this paper, traffic systems with attachment and detachment have been studied by total-asymmetric simple exclusion processes （TASEPs）. Attachment and detachment in a one-dimensional system is a type of complex geo...In this paper, traffic systems with attachment and detachment have been studied by total-asymmetric simple exclusion processes （TASEPs）. Attachment and detachment in a one-dimensional system is a type of complex geometry that is relevant to biological transport with the random update rule. The analytical results are presented and have shown good agreement with the extensive Monte Carlo computer simulations.展开更多
A feasible method to improve the reliability and processing efficiency of large vibrating screen via the application of an elastic screen surface with multiple attached substructures(ESSMAS) was proposed.In the ESSMAS...A feasible method to improve the reliability and processing efficiency of large vibrating screen via the application of an elastic screen surface with multiple attached substructures(ESSMAS) was proposed.In the ESSMAS,every screen rod,with ends embedded into elastomer,is coupled to the main screen structure in a relatively flexible manner.The theoretical analysis was conducted,which consists of establishing dynamic model promoted from the fuzzy structure theory as well as calculating for the equivalent stiffness of each attached structure.According to the numerical simulation using the NEWMARK-β integration method,this assembling pattern significantly leads to the screen surface/rod having larger vibration intensity than that of the corresponding position on screen structure,which specifically,with an averaged acceleration amplitude increasing ratio of 11.37% in theoretical analysis and 20.27% in experimental test.The experimental results,within a tolerant error,also confirm the established model and demonstrate the feasibility of ESSMAS.展开更多
哀伤(bereavement)研究长期以来都依循“悲伤过程假设(grief work hypothesis)”,但20世纪80年代后其强调“与逝者分离”的基本假设受到挑战,界定的模糊也使得实证研究工作难以进行。当代研究者从依恋理论、创伤研究、认知应对研究、情...哀伤(bereavement)研究长期以来都依循“悲伤过程假设(grief work hypothesis)”,但20世纪80年代后其强调“与逝者分离”的基本假设受到挑战,界定的模糊也使得实证研究工作难以进行。当代研究者从依恋理论、创伤研究、认知应对研究、情感的社会功能等视角多方面对哀伤领域进行深入探索并出现了一些整合性的理论模型,文中对有代表性的“依恋与哀伤双程模型”作了介绍,并对“悲伤过程假设”进行了重新检视。展开更多
基金supported by the National Natural Science Foundation of China-Yunnan Union Foundation (Grant No.U0937604)
文摘In this paper, traffic systems with attachment and detachment have been studied by total-asymmetric simple exclusion processes （TASEPs）. Attachment and detachment in a one-dimensional system is a type of complex geometry that is relevant to biological transport with the random update rule. The analytical results are presented and have shown good agreement with the extensive Monte Carlo computer simulations.
基金Projects(50574091,50774084) supported by the National Natural Science Foundation of China
文摘A feasible method to improve the reliability and processing efficiency of large vibrating screen via the application of an elastic screen surface with multiple attached substructures(ESSMAS) was proposed.In the ESSMAS,every screen rod,with ends embedded into elastomer,is coupled to the main screen structure in a relatively flexible manner.The theoretical analysis was conducted,which consists of establishing dynamic model promoted from the fuzzy structure theory as well as calculating for the equivalent stiffness of each attached structure.According to the numerical simulation using the NEWMARK-β integration method,this assembling pattern significantly leads to the screen surface/rod having larger vibration intensity than that of the corresponding position on screen structure,which specifically,with an averaged acceleration amplitude increasing ratio of 11.37% in theoretical analysis and 20.27% in experimental test.The experimental results,within a tolerant error,also confirm the established model and demonstrate the feasibility of ESSMAS.
文摘哀伤(bereavement)研究长期以来都依循“悲伤过程假设(grief work hypothesis)”,但20世纪80年代后其强调“与逝者分离”的基本假设受到挑战,界定的模糊也使得实证研究工作难以进行。当代研究者从依恋理论、创伤研究、认知应对研究、情感的社会功能等视角多方面对哀伤领域进行深入探索并出现了一些整合性的理论模型,文中对有代表性的“依恋与哀伤双程模型”作了介绍,并对“悲伤过程假设”进行了重新检视。
