The spatial diffusion theory and its patterns (expansion, hierarchical, contagious, relocation) explain how phenomena disseminate from the origin of diffusion. By investigating pattern specialist physicians' offices in city Mashhad, present study showed that, contrary to common patterns, a new was formed by increasing number but not diffusing them at origin. This descriptive-analytical sample i...

Beech (Fagus orientalis Lipsky) forests in Iran are one of the most important sources hardwood species used for lumber, furniture, and interior object design due to its hardness, wear resistance, strength, excellent bending capabilities. Furthermore, is third country walnut wood production after China United States. Therefore, this study, we compared specific mechanical properties between beech...