The two ancient stone statues worshiped at Nhan Son Pagoda in Nhon Hau Commune,An Nhon Town,Binh Dinh Province,Vietnam,have played different roles and been known by various names throughout history,each tied to myster...The two ancient stone statues worshiped at Nhan Son Pagoda in Nhon Hau Commune,An Nhon Town,Binh Dinh Province,Vietnam,have played different roles and been known by various names throughout history,each tied to mysterious and fascinating stories.To explain the shift from their role as Dharma protectors,known as Dvarapala,in the Do Ban capital temple complex of the Vijaya Dynasty,to their portrayal as close friends in Song Nghia Pagoda,and finally to their current identity as the Red and Black Gods who bless everyone,the author of this article conducted several field trips for deeper insight.The changing roles of these two stone statues at Nhan Son Pagoda reflect the flexible and creative engagement of the Buddhist community in Binh Dinh Province with spiritual symbols,adapting to evolving religious needs.展开更多
Based on waveform fitting,full waveform inversion(FWI)is an important inversion method with the ability to reconstruct multi-parameter models in high precision.However,the strong nonlinear equation used in FWI present...Based on waveform fitting,full waveform inversion(FWI)is an important inversion method with the ability to reconstruct multi-parameter models in high precision.However,the strong nonlinear equation used in FWI presents the following challenges,such as low convergence efficiency,high dependence on the initial model,and the energy imbalance in deep region of the inverted model.To solve these inherent problems,we develop a timedomain elastic FWI method based on gradient preconditioning with the following details:(1)the limited memory Broyden Fletcher Goldfarb Shanno method with faster convergence is adopted to im-prove the inversion stability;(2)a multi-scaled inversion strategy is used to alleviate the nonlinear inversion instead of falling into the local minimum;(3)in addition,the pseudo-Hessian preconditioned illumination operator is involved for preconditioning the parameter gradients to improve the illumination equilibrium degree of deep structures.Based on the programming implementation of the new method,a deep depression model with five diffractors is used for testing.Compared with the conventional elastic FWI method,the technique proposed by this study has better effectiveness and accuracy on the inversion effect and con-vergence,respectively.展开更多
目的:观察肿瘤转移相关基因及转移抑制基因在DEN诱发大鼠肝癌组织中的表达及不同治法对其影响。方法:DEN诱发大鼠肝癌,经西药喃氟啶和不同中药治疗,取大鼠肝(含肝癌)组织抽提RNA,Affymetrix Rat 230A GeneChip检测基因表达的差异。结果...目的:观察肿瘤转移相关基因及转移抑制基因在DEN诱发大鼠肝癌组织中的表达及不同治法对其影响。方法:DEN诱发大鼠肝癌,经西药喃氟啶和不同中药治疗,取大鼠肝(含肝癌)组织抽提RNA,Affymetrix Rat 230A GeneChip检测基因表达的差异。结果:肝癌表达增加者55个,减少者8个,不同中西医治法有一定的调节作用。分析:肿瘤转移相关基因及转移抑制基因在肝癌中表达的改变和不同治法作用的差异,其具体调节途径和意义有待进一步研究。展开更多
文摘The two ancient stone statues worshiped at Nhan Son Pagoda in Nhon Hau Commune,An Nhon Town,Binh Dinh Province,Vietnam,have played different roles and been known by various names throughout history,each tied to mysterious and fascinating stories.To explain the shift from their role as Dharma protectors,known as Dvarapala,in the Do Ban capital temple complex of the Vijaya Dynasty,to their portrayal as close friends in Song Nghia Pagoda,and finally to their current identity as the Red and Black Gods who bless everyone,the author of this article conducted several field trips for deeper insight.The changing roles of these two stone statues at Nhan Son Pagoda reflect the flexible and creative engagement of the Buddhist community in Binh Dinh Province with spiritual symbols,adapting to evolving religious needs.
基金supported by the Marine S&T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology(Qingdao)(Grant No.2021QNLM020001)the National Key R&D Program of China(Grant No.2019YFC0605503C)+2 种基金the Major Scientific and Technological Projects of China National Petroleum Corporation(CNPC)(Grant No.ZD2019-183-003)the National Outstanding Youth Science Foundation(Grant No.41922028)the National Innovation Group Project(Grant No.41821002).
文摘Based on waveform fitting,full waveform inversion(FWI)is an important inversion method with the ability to reconstruct multi-parameter models in high precision.However,the strong nonlinear equation used in FWI presents the following challenges,such as low convergence efficiency,high dependence on the initial model,and the energy imbalance in deep region of the inverted model.To solve these inherent problems,we develop a timedomain elastic FWI method based on gradient preconditioning with the following details:(1)the limited memory Broyden Fletcher Goldfarb Shanno method with faster convergence is adopted to im-prove the inversion stability;(2)a multi-scaled inversion strategy is used to alleviate the nonlinear inversion instead of falling into the local minimum;(3)in addition,the pseudo-Hessian preconditioned illumination operator is involved for preconditioning the parameter gradients to improve the illumination equilibrium degree of deep structures.Based on the programming implementation of the new method,a deep depression model with five diffractors is used for testing.Compared with the conventional elastic FWI method,the technique proposed by this study has better effectiveness and accuracy on the inversion effect and con-vergence,respectively.
文摘目的:观察肿瘤转移相关基因及转移抑制基因在DEN诱发大鼠肝癌组织中的表达及不同治法对其影响。方法:DEN诱发大鼠肝癌,经西药喃氟啶和不同中药治疗,取大鼠肝(含肝癌)组织抽提RNA,Affymetrix Rat 230A GeneChip检测基因表达的差异。结果:肝癌表达增加者55个,减少者8个,不同中西医治法有一定的调节作用。分析:肿瘤转移相关基因及转移抑制基因在肝癌中表达的改变和不同治法作用的差异,其具体调节途径和意义有待进一步研究。
