technological developments in various sectors and considering the speed and accuracy as an integral part of the decision-making process in the age of knowledge economy, has caused the disaster economy an important role in risk assessment and management in national and regional planning. the development of models used in this area, resulted in considering indirect consequences of disasters on th...

ActiveCube is a novel device that allows a user to construct and interact with a 3D environment by using cubes with a bi-directional user interface. A computer recognizes the 3D structure of connected cubes in real time by utilizing the real-time communication network among cubes. Also, ActiveCube is equipped with both input and output devices, at where the user expects to be, and this makes th...

木造建築における木材需要の経済波及効果の推計において，合板と集成材は用途が異なるため個別に分析されることが望ましいが，既存の産業連関表では合板・集成材部門として集計されている．そこで，合板・集成材部門を合板部門と集成材部門に分割し，産業連関表を拡張した．これによって，合板部門の金額ベースの自給率が集成材部門のそれよりも小さいことから，既存の産業連関表に基づき算出した経済波及効果が合板の需要に対する分析では過大評価となり，集成材の需要に対する分析では過小評価となることが示された．今後，非住宅建築を中心に拡大が期待される木材需要の経済影響評価においては，詳細な部門分類に基づく分析が重要となる．

as one of the most important products of iran, pistachio has a significant share in non-oil revenues. its annual foreign exchange earnings are over 800 million dollars. however, production of this nut in the country’s major production centers is faced with many problems regarding the efficiency and productivity of the inputs. this study was performed by using two-stage cluster sampling method. ...