since, in the same vein as public spaces, urban green spaces play a significant role in establishing social interactions in the iranian cities, security concerns need to be taken more seriously in such places than other social environments, the insufficiency of which could diminish their functional capacity. this could in turn lead to a source of subsequent difficulties in urban spaces. therefo...

Paying attention to the spatial placement of the elements (man-made or natural) based on the landscape pattern and ecological processes in urban design would have a considerable impact on both human and the nature. In a way that the discords in the placement of patchs in respect to each other, or in respect to visual corridors and urban matrixes lead to the unwanted results in the cities. The e...

multileaf collimator (mlc) is among the radiation field shaping systems used for conformal radiotherapy and intensity modulation radiation therapy techniques. the mlc system that has been designed and fabricated in this study includes 52 leaves, 52 stepper motors, 2 dc motors, 16 programmable logic controllers (plcs) and one human machine interface (hmi). this system can be mounted on conventio...

Design new urban spaces is a complex process that extends for a long period, goes through several stages, and addresses several issues, including defining the urban programme and devising the plan layout in all its details, such as the street network, the neighbourhood identity, the city block typologies, and so on. Developing solutions for problems on each stage and evaluating the qualities of...