this study is written following the analysis of institutional collaboration in the urban regions. based on this, and with the goal of facilitating the cooperation as one of the elements of governing patterns in the theories of new regionalism this study aims to analyze the governmental and public institutions’ commitment (as the main involving organizations for the regional management matters i...

a.sacharovi, which is one of the main malaria vectors of the palearchic region, is resistant to ddt in greece (1949), lebanon (1954), turkey (1959), syria and the u.s.s.r. (1972).the first record of a. sacharovi resistance to ddt in iran was given in 1959 from the kazeroon area, followed by izeh (1969) and meshkin-shahr (1970).this study (1973) urgently advises speedy measures to eliminate the ...

OBJECTIVES The aim of this study was to assess the effect of 30% hydrogen peroxide on the microleakage of class V cavities restored with either a silorane-based composite or two methacrylate-based composites. MATERIALS AND METHODS A total of 96 standard class V cavities (1.5 × 2 × 3 mm) were prepared on the buccal surface of sound extracted human premolars with both enamel and dentin margins ...

AIM The purpose of this study was to determine the effect of different cavity disinfectants on microleakage of Class V resin- based composite restorations in primary teeth. MATERIALS AND METHODS Standard non-beveled Class V cavities were prepared on 50 human primary anterior teeth with the incisal and cervical margin placed on the enamel. The crowns were randomly divided into 6 groups. Four e...

background & aim: medicinal plants, since time immemorial, have been used in virtually all cultures as a source of medicine and ethnobotany has prevent to be a valuable method to find new herbal medicine and plant derived drugs. material & methods: this study determined medicinally important plants that are most frequently by the local inhabitants of sistan to treat human diseases. in ...

The region counting distances, introduced by Demaine, Iacono and Langerman [5], associate to any pair of points p, q the number of items of a dataset S contained in a region R(p, q) surrounding p, q. We define region counting disks and circles, and study the complexity of these objects. In particular, we prove that for some wide class of regions R(p, q), the complexity of a region counting circ...