Asymptotic analysis of a sis model with pulse vaccination 具有脈沖接種的傳染病模型的漸近分析
Uniqueness of almost periodic solution of an epidemic sis model with variable coefficient 模型概周期解存在惟一性
The wind - driven circulation and its dynamical mechanisms in the south china sea ( scs ) were studied numerically using ecom - si model with 10 " x 10 " horizontal resolution and 20 sigma levels . the present work focuses on the barotropic circulation in winter and summer 本文用ecom - si模式, 10 ’ 10 ’水平分辨率,垂向20個層,由h / r ( 1983 )氣候?qū)W月平均風應力場和開邊界流量驅(qū)動,模擬了南海風生環(huán)流的季節(jié)變化,并針對南海冬夏季風生正壓環(huán)流的動力機制進行了數(shù)值實驗。