Ϻ┘äϬϡ┘ä┘è┘ä Ï╣┘å ÏÀÏ▒┘è┘éÏ® ϬÏ╣┘ä┘è┘à Ϻ┘ä┘äÏ║Ï® Ϻ┘äÏ╣Ï▒Ï¿┘èÏ® ┘ä┘äÏúÏÀ┘üϺ┘ä

Abstract

Ϻ┘äÏ╣Ϻ┘ä┘à Ϻ┘äϬÏ▒Ï¿┘èÏ® ┘éÏ» Ï╣Ï▒┘ü┘åϺ Ïú┘å Ϻ┘äÏÀÏ▒┘è┘éÏ® ┘äϬÏ╣┘ä┘è┘à Ϻ┘ä┘äÏ║Ï® Ϻ┘äÏ╣Ï▒Ï¿┘èÏ® ┘àϬ┘å┘êÏ╣Ï®Ïî ┘à┘å┘çϺ ÏÀÏ▒┘è┘éÏ® Ϻ┘äϻϿϺÏ┤Ï▒Ï®Ïî ÏÀÏ▒┘è┘éÏ® Ϻ┘ä┘é┘êϺÏ╣Ï»
Ϻ┘ä ϬÏ▒ϼ┘àϮϮ ÏÀÏ▒┘è┘éÏ® Ϻ┘äÏ│Ï╣Ï╣┘èÏ® Ϻ┘äÏ┤┘ü┘ê┘èÏ®Ïî ÏÀÏ▒┘è┘éÏ® Ϻ┘äÏÑϬϬ┘éϺϪ┘èÏ®Ïî ÏÀÏ▒┘è┘éÏ® Ϻ┘äϬÏ╣┘è┘è┘ä┘èÏ®Ïî ÏÀÏ▒┘è┘éÏ® Ϻ┘ä┘êϺϼ ┘ê┘èÏ▒┘ç┘ëϺ ┘ê┘à┘å┘ç
Ϻ┘äϿϡϽ ┘ü┘è ┘ëÏ░┘ç Ϻ┘äÏ▒Ï│Ϻ┘äÏ® ϿϺÏ│ϬϫϻϺ┘à Ϭϡ┘ä┘è┘ä┘èÏ® Ϻ┘äϬϡ┘ä┘è┘ä┘èÏ® Ï¿┘àÏ╣┘å┘è ┘èÏ┤Ï▒Ï¡ ┘ê ┘èÏ¡┘ä┘ä ┘ëÏ░┘ç Ϻ┘äÏ»Ï┤┘â┘äÏ® ┘à┘å Ϻ┘äÏ»Ï▒ϺϼÏ╣ ┘ü┘èÏ╣Ϻ
┘èϬÏ╣┘ä┘é ϿϺϺ┘äϿϡϽ ┘èÏñ┘âÏ» Ϻ┘äÏ»┘êϼ┘ç┘ê┘å Ϻ┘äϬÏ▒Ï¿┘ê┘è┘ê┘å ┘ä┘äÏúÏÀ┘üϺ┘ä Ï╣┘ä┘è Ïú┘å Ϻ┘äϬÏ▒Ï¿┘èÏ® Ϻ┘ä┘äÏ║┘ê┘èÏ® ┘äÏ░Ϻ ┘à┘âϺϬϮ ϿϺÏ▒Ï▓Ï® ┘äÏú┘å ┘äÏ║Ï® Ϻ┘ä┘â┘äϺ┘à
ϬÏ│┘êÏ» ┘êϬÏ│ϺϪϻ ϼ┘àÏ®┘èÏ╣ ϬÏ┤ϺÏÀ Ϻ┘äÏÀ┘ü┘ä Ϻ┘äÏúÏ«Ï▒┘è ┘ê┘èÏñ┘âÏ» "ϼϺ┘å Ï¿┘èϺϼ┘èÏ®" ÏúϬ┘ê Ï¿Ï»┘ê┘å Ϻ┘ä┘äÏ║Ï® Ϻ┘ä┘ä┘üÏ©┘èÏ® Ϻ┘äϬ┘è ϬÏÁÏ¿Ï║
Ϻ┘äϬ┘ü┘âÏ▒┘ç ϿϺ┘äÏÁÏ¿Ï║Ï® Ϻ┘äÏÑϼϬÏ╣ϺÏ╣┘èÏ® ┘èÏÁÏ¿Ï¡ ┘à┘å Ϻ┘äÏ»Ï│Ϭϡ┘è┘ä ϬÏ Ï░┘âϺÏí Ϻ┘äÏÀ┘ü┘ä Ï¿ÏÁ┘êÏ▒Ï® ┘âϺ┘à┘äÏ® ┘üϺ┘ä┘â┘äÏ╣Ï® Ϻ┘äÏ»Ï│Ï╣┘êÏ╣Ï® Ïú┘ê
Ϻ┘äÏ»┘åÏÀ┘ê┘éÏ® Ϭϡ┘üÏ▓ ┘êϬ┘èÏ▒┘ç Ϻ┘äÏÑ┘ëϬÏ╣Ϻ┘à ┘êϬ┘ê┘éÏ© Ϻ┘äÏ»Ï▒Ïí ┘êϬÏ║ Ï▒┘è ϿϺ┘ä┘üÏÂ┘ê┘ä ┘êϬÏ│ϺÏ╣Ï» Ï╣┘ä┘è ϬϿϺϻ┘ä Ϻ┘äÏ»Ï╣┘ä┘ê┘àϺϬ ┘êϬ┘éϺϿ┘ä ┘êϼ┘çϺϬ
Ϻ┘ä┘åÏ©Ï▒ ┘ê┘àÏ╣Ï▒┘üÏ® Ϻ┘äϬϼϺÏ▒Ï¿ Ϻ┘ä┘üÏ▒Ï»┘èÏ® ┘ä┘â┘ä ┘à┘åϺ ÏÑ┘å Ϻ┘ä┘äÏ╣ ┘êϺ┘äÏ╣Ï╣┘ä ┘àÏ╣ Ï▓┘à┘è┘ä Ïú┘ê ┘àÏ╣ ┘äÏ▒Ï╣┘êÏ╣ϺϬ ÏÁÏ║Ï▒┘çÏ® Ïú┘è ┘êϼ┘êÏ»
Ϻ┘äÏÀ┘ü┘ä ┘ü┘è ┘à┘ê┘é┘ü ┘èÏ│ϺÏ╣Ï»┘ç Ï╣┘ä┘è Ϻ┘äϬϡϻϽ ┘àÏ╣ Ϻ┘ä┘âϿϺÏ▒ Ïú┘ê ┘àÏ╣ ÏúϬÏ▒ϺϿ┘ê Ï¿Ï│┘ç┘ä Ï╣┘ä┘è┘ê ϬÏ╣┘ä┘à Ϻ┘ä┘äÏ║Ï® ┘ê┘èÏ┤Ï¿Ï╣ Ï▒┘èϿϺϬ┘ê
┘ê┘ë┘ê ┘ü┘è Ϭ┘üÏ│ Ϻ┘ä┘ê┘éϬ ┘èÏ╣Ï» ÏÀÏ▒┘è┘éϺ ┘àÏÂÏ╣┘êϬϺ ┘äϬÏÀ┘ê┘èÏ▒ Ϻ┘äϬ┘ü┘âÏ▒┘ç ┘êϺ┘ä┘äÏ║Ï® Ï╣┘åÏ»┘ç