Conventional dynamic model of gamma-ray burst remnants is found to be incorrect for adiabatic blastwaves during the non-relativistic phase.A new model is derived,which is shown to be correct for both radiative and adi...Conventional dynamic model of gamma-ray burst remnants is found to be incorrect for adiabatic blastwaves during the non-relativistic phase.A new model is derived,which is shown to be correct for both radiative and adiabatic blastwaves during both ultra-relativistic and non-relativistic phases.Our model also takes the evolution of the radiative efficiency into account.The importance of the transition from the ultra-relativistic phase to the non-relativistic phase is stressed.展开更多
With a simple evolution model of the magnetic fields of isolated radio pulsars,the statistical evidence for them is investigated.Monte-Carlo techniques are used to generate sample pulsars of particular distributions o...With a simple evolution model of the magnetic fields of isolated radio pulsars,the statistical evidence for them is investigated.Monte-Carlo techniques are used to generate sample pulsars of particular distributions of initial periods,period derivatives,magnetic fields,luminosities,and Galactic positions.The period-dependent beaming fraction of pulsars is considered in the simulation.Then the best fits by comparing the synthesized populations with the observed pulsars are made.It is shown that the field decay model may also have some consistency with the current understanding of pulsar statistics.展开更多
In usual statistical analyses,because of diversities of proper parameters of pulsars,some interesting features might be smeared.In order to remove these diversities,we use the mean values for all quantities of pulsars...In usual statistical analyses,because of diversities of proper parameters of pulsars,some interesting features might be smeared.In order to remove these diversities,we use the mean values for all quantities of pulsars,instead of values of individual one to do statistical analyses.Logp/p3-logτand LogL-logτhave been plotted.The most interesting feature is that the radio luminosity of pulsar evidently appears to regrow up after its initial dropping.This feature is difficult to understand in usual models.Two tentatlive interpretations have been given.展开更多
Objective: To explore the clinical value of sodium ferulate + Shenmai injection in the adjuvant treatment of acute myocardial infarction (AMI). Methods: A total of 119 patients with AMI who were treated in our hospita...Objective: To explore the clinical value of sodium ferulate + Shenmai injection in the adjuvant treatment of acute myocardial infarction (AMI). Methods: A total of 119 patients with AMI who were treated in our hospital between December 2014 and December 2017 were reviewed and divided into the control group (n=60) who received conventional western medicine +Shenmai injection therapy and the sodium ferulate group (n=59) who received conventional western medicine + sodium ferulate + Shenmai injection therapy. The differences in serum levels of myocardial injury markers, inflammatory mediators and ventricular remodeling-related indexes were compared between the two groups before treatment and after 2 weeks of treatment. Results: Before treatment, serum levels of myocardial injury markers, inflammatory mediators and ventricular remodeling-related indexes were not significantly different between the two groups. After 2 weeks of treatment, serum myocardial injury markers GMP-140, cTnT, MYO, NT-proBNP and H-FABP levels of sodium ferulate group were lower than those of control group;serum inflammatory mediators MCP-1, IL-18 and hs-CRP levels were lower than those of control group;serum ventricular remodeling-related indexes GDF-15, MMP-10 and CgA levels were lower than those of control group whereas IGF-1 level was higher than that of control group. Conclusion: Western medicine combined with sodium ferulate+ Shenmai injection therapy can effectively protect the myocardial function and inhibit the systemic inflammatory response and ventricular remodeling in patients with AMI.展开更多
Under the background of new liberal arts,the problems existing in the teaching process of Finance were re-examined.For instance,the setting of teaching objectives does not meet the requirements of construction of new ...Under the background of new liberal arts,the problems existing in the teaching process of Finance were re-examined.For instance,the setting of teaching objectives does not meet the requirements of construction of new liberal arts,and teaching content emphasizes theory;teaching method is single,and teaching assessment is not reasonable.It is proposed that the curriculum reform should be carried out from five dimensions:teaching objective,teaching content,teaching method,practice system and teaching evaluation,so as to meet the requirements of construction of new liberal arts.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos.19773007 and 19825109the National Climbing Project on Fundamental Researches.
文摘Conventional dynamic model of gamma-ray burst remnants is found to be incorrect for adiabatic blastwaves during the non-relativistic phase.A new model is derived,which is shown to be correct for both radiative and adiabatic blastwaves during both ultra-relativistic and non-relativistic phases.Our model also takes the evolution of the radiative efficiency into account.The importance of the transition from the ultra-relativistic phase to the non-relativistic phase is stressed.
基金Supported by the National Climbing Programme on Fundamental Researchesthe National Natural Science Foundation of China under Grant No.19573006the Foundation of the Committee for Education of China(No.9228429).
文摘With a simple evolution model of the magnetic fields of isolated radio pulsars,the statistical evidence for them is investigated.Monte-Carlo techniques are used to generate sample pulsars of particular distributions of initial periods,period derivatives,magnetic fields,luminosities,and Galactic positions.The period-dependent beaming fraction of pulsars is considered in the simulation.Then the best fits by comparing the synthesized populations with the observed pulsars are made.It is shown that the field decay model may also have some consistency with the current understanding of pulsar statistics.
文摘In usual statistical analyses,because of diversities of proper parameters of pulsars,some interesting features might be smeared.In order to remove these diversities,we use the mean values for all quantities of pulsars,instead of values of individual one to do statistical analyses.Logp/p3-logτand LogL-logτhave been plotted.The most interesting feature is that the radio luminosity of pulsar evidently appears to regrow up after its initial dropping.This feature is difficult to understand in usual models.Two tentatlive interpretations have been given.
基金Youth Projects of Hubei Provincial Natural Science Foundation No:2016CFB344.
文摘Objective: To explore the clinical value of sodium ferulate + Shenmai injection in the adjuvant treatment of acute myocardial infarction (AMI). Methods: A total of 119 patients with AMI who were treated in our hospital between December 2014 and December 2017 were reviewed and divided into the control group (n=60) who received conventional western medicine +Shenmai injection therapy and the sodium ferulate group (n=59) who received conventional western medicine + sodium ferulate + Shenmai injection therapy. The differences in serum levels of myocardial injury markers, inflammatory mediators and ventricular remodeling-related indexes were compared between the two groups before treatment and after 2 weeks of treatment. Results: Before treatment, serum levels of myocardial injury markers, inflammatory mediators and ventricular remodeling-related indexes were not significantly different between the two groups. After 2 weeks of treatment, serum myocardial injury markers GMP-140, cTnT, MYO, NT-proBNP and H-FABP levels of sodium ferulate group were lower than those of control group;serum inflammatory mediators MCP-1, IL-18 and hs-CRP levels were lower than those of control group;serum ventricular remodeling-related indexes GDF-15, MMP-10 and CgA levels were lower than those of control group whereas IGF-1 level was higher than that of control group. Conclusion: Western medicine combined with sodium ferulate+ Shenmai injection therapy can effectively protect the myocardial function and inhibit the systemic inflammatory response and ventricular remodeling in patients with AMI.
基金Supported by the Phased Achievements of the Teaching Research Project of Yangtze University in 2022(Study on the Teaching Reform and Practice of Finance under the Background of New Liberal Arts)Phased Achievements of the Teaching Research Project of Yangtze University in 2021(Study on the Construction Model of"First-class Undergraduate Courses"in Provincial Universities:A Case Study of"Monetary Banking"of Yangtze University,JY2021038)+1 种基金Phased Achievements of the Teaching Research Project of Yangtze University in 2020(Study on the Hybrid Teaching Method of Public Elective Courses in Universities Based on MOOCs:A Case Study of Marketing,JY2020029)Phased Achievements of the Teaching Research Project of Yangtze University in 2021(Research and Practice of Integrating Innovation and Entrepreneurship Education into Talent Training for Agricultural and Forestry Economic Management Major,JY2021010).
文摘Under the background of new liberal arts,the problems existing in the teaching process of Finance were re-examined.For instance,the setting of teaching objectives does not meet the requirements of construction of new liberal arts,and teaching content emphasizes theory;teaching method is single,and teaching assessment is not reasonable.It is proposed that the curriculum reform should be carried out from five dimensions:teaching objective,teaching content,teaching method,practice system and teaching evaluation,so as to meet the requirements of construction of new liberal arts.
