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1.
7 p, 835.1 KB Hydrothermal synthesis of smectite from dickite / Ryu, Kyoung-Won (Chungbuk University. Department of Earth and Environmental Sciences) ; Jang, Young-Nam (Korea Institute of Geoscience and Mineral Resources. Minerals and Materials Processing Division) ; Chae, Soo-Chun (Korea Institute of Geoscience and Mineral Resources. Minerals and Materials Processing Division) ; Bae, In-Kook (Korea Institute of Geoscience and Mineral Resources. Minerals and Materials Processing Division) ; Choi, Sang-Hoon (Chungbuk University. Department of Earth and Environmental Sciences)
Dioctahedral smectite was prepared hydrothermally from dickite [AlSiO(OH)] as a starting material by autoclaving in a closed stainless steel vessel with variable temperature, pressure, time and pH conditions. [...]
2006 - 10.1346/CCMN.2006.0540110
Clays and Clay Minerals, Vol. 54, Núm. 1 (2006) , p. 80-86  
Detailed record -
2.
45 p, 412.1 KB When one door closes : the impact of the hagwon curfew on the consumption of private tutoring in the Republic of Korea / Choi, Hoon ; Choi Mendizábal, Álvaro B. (Álvaro Borja) ; Xarxa de Referència en Economia Aplicada (XREAP)
The Korean government has struggled against the proliferation of private tutoring for more than four decades. In 2006, state education authorities imposed a restriction on operating hours of hagwon (private tutoring academies or cram schools) in an attempt at reducing the economic and time resources spent on private tutoring. [...]
Xarxa de Referència en Economia Aplicada (XREAP) 2015 (XREAP ; 2015-06)  
Detailed record - Creative Commons

See also: similar author names
1 Choi, H.
1 Choi, H.K.
1 Choi, H.S.
1 Choi, Hak-Jong
1 Choi, Hangseok
2 Choi, Hyeok Sun
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