introduction: in radiotherapy, methods of treatment planning are becoming increasingly more complicated. this requires verification of the doses delivered to increasingly smaller and more precise regions. radiotherapy techniques are continuously employing smaller and smaller field sizes to deliver tighter radiation doses with higher therapeutic ratios, generating interest among researchers to p...

In this research, wave propagation analysis in polymeric smart nanocomposite micro-tubes reinforced by single-walled carbon nanotubes (SWCNT) conveying fluid is studied. The surrounded elastic medium is simulated by visco-Pasternak model while the composite micro-tube undergoes electro-magneto-mechanical fields. By means of micromechanics method, the constitutive structural coefficients of nano...

currently, one of the most important challenges to smes is financing as their managers are faced with many problems in this area. in this study the barriers to smes financing were identified by using q methodology which is a combination of qualitative and quantitative methods. after literature review and conduct of interviews with 12 executive managers of smes, 64 barriers were identified to th...

this paper aims to comprehend the intrinsic limitations of the market players in the financial system and how these create a situation of `missing middle` for small and medium industries (sme) financing in bangladesh. a clear dualism prevails in the manufacturing industry of this country. while the smes maintains the biggest share in establishments and employment creation, large enterprises (le...

The aim of this paper is to use the concept of the metafrontier function to study the determination of efficiency differentials and Technological Gap Ratio (TGR) on wheat production in Khorasan Razavi province. In this study, we used the metafrontier function and group frontier based on the concept of Stochastic Nonparametric Envelopment of Data analysis (StoNED). The data used in this stud...