Influence of Biological Treatment and Ultraviolet Disinfection System on Pseudomonas spp. Diversity in Wastewater as Assessed by Denaturing Gradient Gel Electrophoresis          下载免费PDF全文

Inès Mehri  Yousra Turki  Hanène Chérif  Amel Khessairi  Abdennasser Hassen  Maher Gtari 《洁净——土壤、空气、水》2014,42(5):578-585

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Investigation of periodic orbits in elliptical galaxies using the method of implicit functions     

M. A. Jalali  B. Mehri  S. H. Pourtakdoust 《Celestial Mechanics and Dynamical Astronomy》1995,63(3-4):271-287

Existence of periodic orbits inside elliptical galaxies has been investigated. Necessary conditions for regular, small amplitude periodic motion around the center of galaxy have been derived using implicit functions and solved by approximating through Taylor's series. The solution procedure requires to obtain functions of partial derivatives of dependent variables with respect to initial conditions. Derivation of these functions can be accomplished through solving a set of ordinary differential equations by proper choices of associated initial conditions. The results obtained show complete agreement with those obtained through the application of Poincaré-Lindstedt's method.  相似文献   

Development of flood mitigation strategies toward sustainable development     

Abdi-Dehkordi  Mehri  Bozorg-Haddad  Omid  Salavitabar  Abdolrahim  Mohammad-Azari  Sahar  Goharian  Erfan 《Natural Hazards》2021,108(3):2543-2567

Natural Hazards - Decreasing flood damages in a basin and achieving sustainable development reveal the necessity of integrated management of flood. Integrated flood management requires the...  相似文献