The studies on characteristics of return to estrus in postpartum dairy cattle by Doo-San Kim, Ji-Hwan Lee, Gul-Won Jang, Eun-Jeong Choi, Jin-Ju Kim, Ji-An Lee, Jun-Kyu Son

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Selective isotropic etching of SiO2 over Si3N4 using NF3/H2 remote plasma and methanol vapor by Hong Seong Gil, Doo San Kim, Yun Jong Jang, Dea Whan Kim, Hea In Kwon, Gyoung Chan Kim, Dong Woo Kim, Geun Young Yeom

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Selective etching of silicon nitride over silicon oxide using ClF3/H2 remote plasma by Won Oh Lee, Ki Hyun Kim, Doo San Kim, You Jin Ji, Ji Eun Kang, Hyun Woo Tak, Jin Woo Park, Han Dock Song, Ki Seok Kim, Byeong Ok Cho, Young Lae Kim, Geun Young Yeom

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