00937nam a2200217 k 4500001001300000005001500013008004100028041001300069049003200082052001600114056001400130082001600144245013700160260003600297300003300333502008000366650003400446653015000480700005300630963003600683KDM20040465720200728154312040205s2003    bnka       FB 000   kor  0 akorbeng0 lEM2961630lEM2961631c2fDP01a532.83b4-1  a532.83240 a624.15222100aNSP 發破工法의 振動減衰效果에 관한 硏究=x(A)study on the vibration dampingeffect of NPS blasting method/d沈東洙  a부산:b東亞大學校,c2003  axiii, 173장:b삽도;c26cm1 a학위논문(박사) --b동아대학교 대학원:c자원공학과,d2003 8a발파[發破]0KSH1998019867  aNSP발파공법aPS 발파공법aLine DrillingaPVSa진돈감쇠a발파광진기술a선균열발파a인장파괴a소음과진동a표면파1 a심동수,g沈東洙,d1956-0KAC2018N75994aut  a자원공학과a발파[발파]