Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Cheong Song Choi"'
Publikováno v:
The Journal of Supercritical Fluids. 58:365-370
Continuous transesterification of palm olein oil using supercritical methanol was investigated in the absence of a catalyst. The variables studied were reaction temperature (270–350 °C), pressure (20–40 MPa), and residence time (5–25 min), wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90ce33f62d60e4cbc2a641a5d3b66b7e
https://doi.org/10.1016/j.supflu.2011.06.015
https://doi.org/10.1016/j.supflu.2011.06.015
Publikováno v:
Materials Science and Engineering: C. 28:258-263
The thin sheets of calcite, termed folia, that make up much of the shell of an oyster are composed of foliated lath. Folia of the giant Pacific oyster (Crassostrea gigas) were examined using TEM (transmission electron microscopy) and tested using mic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed03c28be803e41b7c85df53ce93b942
https://doi.org/10.1016/j.msec.2007.01.001
https://doi.org/10.1016/j.msec.2007.01.001
Autor:
Seung Woo Lee, Cheong Song Choi
Publikováno v:
Crystal Growth & Design. 7:1463-1468
The soluble protein HDS (Hemocyte from Diseased Shell), obtained from diseased shells of the oyster Crassostrea gigas, is used in calcium carbonate crystallization in vitro. By comparison of the crystal growth rate of HDS with other soluble proteins
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b46a36c1d8181c0c1d6ce21293030d4
https://doi.org/10.1021/cg0700420
https://doi.org/10.1021/cg0700420
Publikováno v:
Korean Journal of Chemical Engineering. 17:643-648
The growth mechanism of Ammonium Meta-Tungstate (AMT) crystal was interpreted as two-step model. Growth rates of AMT crystals were measured in a fluidized bed crystallizer. The effects of temperature, supersaturation and crystal size on the crystal g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b57a130f81fc893ac670bcd3f33a3e29
https://doi.org/10.1007/bf02699111
https://doi.org/10.1007/bf02699111
Autor:
Si Hyun Lee, Cheong Song Choi
Publikováno v:
Fuel Processing Technology. 64:141-153
Chemical activation of high sulfur (∼7%) petroleum cokes with alkali metal compounds was investigated in the temperature range of 400–600°C. Gasification, desulfurization, and disintegration during the activation process were studied, and the po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f98db6be9a833ec66cc8d3951448321
https://doi.org/10.1016/s0378-3820(00)00070-9
https://doi.org/10.1016/s0378-3820(00)00070-9
Publikováno v:
Korean Journal of Chemical Engineering. 17:217-222
The objective of this study is to improve the established dissolution technique of UO2 target by using a photochemical reaction. Photo-dissolution tests of UO2 sintered powder and pellets were carried out in a simulated nitric acid solution at about
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::465c6b21a9c508bf95180d00a6813a8a
https://doi.org/10.1007/bf02707146
https://doi.org/10.1007/bf02707146
Publikováno v:
Progress in Thermochemical Biomass Conversion
Rice straw was catalytically gasified over nickel catalysts supported on kieselguhr. Ni catalyst activated the gasification step from the formed oil. The effect of sodium carbonate on the formation of carbonized solid, oil and gas composition was als
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a4f20853e22a506a802f45463dac0e
https://doi.org/10.1007/bf02707139
https://doi.org/10.1007/bf02707139
Autor:
Yong-Wan Kim, Cheong-Song Choi
Publikováno v:
Biomaterials. 21:213-222
Calcium carbonate minerals are an integral part of many organisms. These biogenic minerals are all of original size, shape and high strength, and they are quite different from those found in their abiotic precipitates. It has been accepted that the f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0233005d95fe3952d1c2554db9c2a59
https://doi.org/10.1016/s0142-9612(99)00120-9
https://doi.org/10.1016/s0142-9612(99)00120-9
Publikováno v:
ract. 83:147-152
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7ed1053491fefc2bfe6b80c58154092
https://doi.org/10.1524/ract.1998.83.3.147
https://doi.org/10.1524/ract.1998.83.3.147
Publikováno v:
Aerosol Science and Technology. 28:215-223
Formation of ultrafine iron powders by vapor-phase reduction of ferrous chloride with hydrogen was studied in a tubular reactor made of quartz, 3.5 cm in diameter and 1.5 m in length. Effects on the particle-size distribution of produced iron powders
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62f2b2cab62b5618cb46f836e0db5aad
https://doi.org/10.1080/02786829808965522
https://doi.org/10.1080/02786829808965522