Estimation of Impact Loads Transmitted to Vibro-Ripper Housing Using Transfer Path Analysis von Kim, Daeji, Park, Hyune-Jun, Oh, Joo-Young, Cho, Jung-Woo, Chung, Jintai, Song, Changheon

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Design study of impact performance of a DTH hammer using PQRSM and numerical simulation von Kim, Dae-Ji, Oh, Joo-Young, Cho, Jung-Woo, Kim, Jaewon, Chung, Jintai, Song, Changheon

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Optimal Design Parameters of a Percussive Drilling System for Efficiency Improvement von Nam, Yun-Joo, Cho, Jae-Sang, Chung, Jintai, Song, Changheon

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Prediction Model of Drilling Performance for Percussive Rock Drilling Tool von Song, Changheon, Oh, Joo-Young, Shin, Min-Seok, Lee, Booyeong, Kim, Jaewon, Kim, Dae-Ji, Cho, Jung-Woo

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Estimation of Impact Loads in a Hydraulic Breaker by Transfer Path Analysis von Kweon, Sang Seuk, Lee, KangWon, Chung, Jintai, Kim, Dae Ji, Song, Changheon, Kang, Young Ky

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Design optimization of a drifter using the Taguchi method for efficient percussion drilling von Song, Changheon, Chung, Jintai, Kim, Jong-Hyoung, Oh, Joo-Young

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Design optimization of a drifter using the Taguchi method for efficient percussion drilling von Song, Changheon, Chung, Jintai, Kim, Jong-Hyoung, Oh, Joo-Young

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암석공구 마모시험을 위한 아르키메데스 나선의 등속도 운동 근사해 조사 von 강훈(Hoon Kang), 김대지(Dae-ji Kim), 송창헌(Changheon Song), 오주영(Joo-Young Oh), 조정우(Jung-Woo Cho)

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중공형 암석시편의 Pin-on-disk 마모시험을 위한 등속도 나선경로 계산방법 von 강훈(Hoon Kang), 김대지(Dae-ji Kim), 송창헌(Changheon Song), 오주영(Joo-Young Oh), 조정우(Jung-Woo Cho)

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진동기반 하중 추정기법의 이론 및 암반 천공용 유압 브레이커 적용사례 von 김대지(Dae-ji Kim), 조정우(Jung-Woo Cho), 오주영(Joo-Young Oh), 정진태(Jintai Chung), 송창헌(Changheon Song)

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Methods for calculating the skew angle error of spiral trajectory during the pin-on-disk test and computer-readable recording medium for recording the computer programs for realizi... von OH JOO YOUNG, CHO JUNG WOO, SONG CHANGHEON

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Method and Apparatus for Image Segmentation based on Artificial Intelligence von BYEONG HAK KIM, JONG PIL YUN, JANGJINSEOK, LEE SANG HEON, WON HONG IN, SONG CHANGHEON

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Excavation method of curved part and ceiling part of rock tunnel using cutter with improved degree of freedom von OH JOO YOUNG, CHO JUNG WOO, YU SANG HWA, KIM MUN GYU, SONG CHANGHEON, LEE SANG MIN

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Void containing AlN layer grown on AlN nanorods fabricated by polarity selective epitaxy and etching method von So, Byeongchan, Lee, Junchae, Cheon, Changheon, Lee, Joohyung, Choi, Uiho, Kim, Minho, Song, Jindong, Chang, Joonyeon, Nam, Okhyun

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Epitaxial growth of deep ultraviolet light emitting diodes with two-step n-AlGaN layer von So, Byeongchan, Cheon, Changheon, Lee, Joohyoung, Lee, Junchae, Kwak, Taemyung, Choi, Uiho, Song, JinDong, Chang, Joonyeon, Nam, Okhyun

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ORGANIC SALT, PHOTORESIST COMPOSITION INCLUDING THE SAME AND METHOD OF FORMING PATTERN BY USING THE PHOTORESIST PATTERN von HONG, Sukkoo, KIM, Hyeran, SONG, Giyoung, CHAE, Jungha, NAM, Youngmin, KIM, Hana, YI, Songse, LEE, Changheon, KOH, Haengdeog, JEON, Aram

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Water treatment filtration filter using kenaf fiber and filtration system including the same von KOWN TAEAN, YU SEUNGCHEAL, CHEON CHANGHEON, SONG GEUNHO

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Organic light emitting diode display device von Jeong SeokHee, Song Janghoon, Kang ChangHeon, Lee Jung-Min

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METHOD FOR PRODUCING LACTIC ACID BACTERIA CAPSULE AND SYNBIOTICS von CHANGHEON LEE, YOUNG MOG KIM, DAEUNG YU, SONG YE JUN

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ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE von SONG JANGHOON, KANG CHANGHEON, LEE JUNG-MIN, JEONG SEOKHEE

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