In this paper,we investigate the periodic traveling wave solutions problem for a single population model with advection and distributed delay.By the bifurcation analysis method,we can obtain periodic traveling wave so...In this paper,we investigate the periodic traveling wave solutions problem for a single population model with advection and distributed delay.By the bifurcation analysis method,we can obtain periodic traveling wave solutions for this model under the influence of advection term and distributed delay.The obtained results indicate that weak kernel and strong kernel can both deduce the existence of periodic traveling wave solutions.Finally,we apply the main results in this paper to Logistic model and Nicholson’s blowflies model.展开更多
采用杂化密度泛函B3LYP理论,对Si_5及Li原子修饰的Si_5团簇的几何结构和电子性质及储氢性能进行了研究。结果表明:Si_5团簇最低能量构型为笼型结构,纯笼型Si_5团簇不能有效地吸附氢分子;Li原子的修饰可以显著改善其储氢能力,在两个Li原...采用杂化密度泛函B3LYP理论,对Si_5及Li原子修饰的Si_5团簇的几何结构和电子性质及储氢性能进行了研究。结果表明:Si_5团簇最低能量构型为笼型结构,纯笼型Si_5团簇不能有效地吸附氢分子;Li原子的修饰可以显著改善其储氢能力,在两个Li原子端位修饰Si_5笼型团簇体系中,其氢分子的平均吸附能为7.259~11.330 k J/mol,每个Li原子周围可以有效吸附5个氢分子,储氢质量分数达11.554%。因此,Li修饰Si_5笼型团簇体系有望成为理想的储氢材料。展开更多
基金Supported by the National Natural Science Foundation of China(12261050)Science and Technology Project of Department of Education of Jiangxi Province(GJJ2201612 and GJJ211027)Natural Science Foundation of Jiangxi Province of China(20212BAB202021)。
文摘In this paper,we investigate the periodic traveling wave solutions problem for a single population model with advection and distributed delay.By the bifurcation analysis method,we can obtain periodic traveling wave solutions for this model under the influence of advection term and distributed delay.The obtained results indicate that weak kernel and strong kernel can both deduce the existence of periodic traveling wave solutions.Finally,we apply the main results in this paper to Logistic model and Nicholson’s blowflies model.
文摘采用杂化密度泛函B3LYP理论,对Si_5及Li原子修饰的Si_5团簇的几何结构和电子性质及储氢性能进行了研究。结果表明:Si_5团簇最低能量构型为笼型结构,纯笼型Si_5团簇不能有效地吸附氢分子;Li原子的修饰可以显著改善其储氢能力,在两个Li原子端位修饰Si_5笼型团簇体系中,其氢分子的平均吸附能为7.259~11.330 k J/mol,每个Li原子周围可以有效吸附5个氢分子,储氢质量分数达11.554%。因此,Li修饰Si_5笼型团簇体系有望成为理想的储氢材料。
