RFID system, in which we give identification number to each item and detect it with radio frequency, supports more variable service than barcode system can do. For example, a refrigerator with RFID reader and internet connection will automatically notify expiration of food validity to us. But, in spite of its convenience, RFID system has some security threats, because anybody can get ID informa...

production of new hybrids is important for growing aquaculture and protecting wild stocks of fish species. a hybrid between female asp × male kutum ( leuciscus aspius ♀ × rutilus frisii ♂) was produced and its growth performance was monitored in two rearing systems for 55 days. the fish held in earthen ponds exhibited higher performance compared to those held in concrete tanks. the results also...

abstract the main objective in this article is to study the issue of development and lasting competitiveness and to study its dimensions and also to acquainted with its related components and how to achieve it. in fact, to get acquainted with competitiveness is as a development that would prevent imposition of cultural, economical, and social and/or environment damages on future generations. in...

The vision of the IOC is to change the world for the better through sport and to promote social change. Protecting the health of the athlete is an important part of this vision, in order to protect the integrity of sport, protect elite athletes, protect the health of all those exercising and to promote physical activity. The protection of clean athletes through doping control is also important ...