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김정미,장성현,김종군 한국조리과학회 2003 한국식품조리과학회지 Vol.19 No.5
The awareness of ritual foods in general rituals were surveyed and compared in the Gyeonggi and Gyungsangbuk-do areas in order to identify the characteristics of Korean rituals and establish desirable ritual foods. As materials for "Jeon" (fried pan cakes) in rituals, fish fillets, meat and vegetables were largely used in the Gyeonggi region. In the Gyeongbuk region, all three of these ingredients were the most highly used for "Jeon" also. In the case of rice cakes, "Songpyun" steamed on a layer of pine needles, "JeolPyun" and "Sirudduk", with a red beans, were mostly used in Gyeonggi-do, while "Songpyun", "Jeolpyun" and "Ingelmi" were largely used in Gyeongsangbuk-do. As seasoned vegetables and herbs, fernbrakes, root of bell flowers, green bean sprouts and bean sprouts were largely used in Gyeonggi-do region, whereas, fernbrakes, bean sprouts, root of bell flowers and spinaches were mainly used in Gyeongbuk region. The use of fernbrakes was highest in both regions. With regard to the number of side dishes, 2~3 kinds of seasoned herbs and 3~4 kinds of fruits were mostly used, but with slightly higher numbers in the Gyeongsangbuk-do than the Gyeonggi-do region. With regard to liquor used for rituals, clear strained rice wine was used most in the Gyeonggi-do area, while more unrefined rice wine was used in the Gyeongbuk region. Meat was the most used ingredient in broth slices of dried meat and cod were highly used in the Gyeonggi region, but slices of dried squid were most widely used in the Gyeongbuk region. Most households in both regions tended not to use raw fish in the rituals, and as for the ingredients of Korean Kabobs, meat was the most widely used, then fish and finally vegetable were the most used ingredients. Beef soup was the most used, but more green vegetable soup was used in the Gyeongbuk than the Gyeonggi region. Sweet drink made from fermented rice (sikhe) was generally used in the rituals. It was the most widely used in the Chusok-Hangawi Ritual in the Gyeonggi region, while it was used in the New Year's Ritual in the Gyeongbuk region.
김종군,김정미,장성현 동아시아식생활학회 2003 동아시아식생활학회지 Vol.13 No.3
This research was performed to identify the characteristics of the Korean rituals and to establish the desirable ritual culture. The recognition of the ritual culture was investigated by the general environmental factors such as gender, age, religion and education background The rituals were generally recognized as positive. Some significant differences were shown according to religion, gender and residential area. To succeed the tradition of the preparation and the table-setting of ritual foods and to conduct the rituals by the descendants were recognized relatively high by the Buddhists and males living in Gyeongsangbuk-do. The degree of recognition of the method of table-setting of ritual foods was higher if one was married and older, with Buddhism and the oldest daughter-in-law in a family. As above, the culture of Korean rituals showed some differences according to the general environment and regions of the individual. The reason why regional differences were shown high was mainly because tradition and conservatism were maintained according to the unique regional thought and natural environment rather than impacts of the changes of times. That some differences were shown according to general environmental factors suggested that the traditional ritual culture was gradually changing according to the environmental changes in the modern times. Also, the recognition on the ritual culture were identified through investigations by general environmental factors such as gender, age, religion and education background.
Band-Gap States of AgIn<sub>5</sub>S<sub>8</sub> and ZnS–AgIn<sub>5</sub>S<sub>8</sub> Nanoparticles
Jeong, Seonghyun,Yoon, Hee Chang,Han, Noh Soo,Oh, Ji Hye,Park, Seung Min,Min, Byoung Koun,Do, Young Rag,Song, Jae Kyu American Chemical Society 2017 The Journal of Physical Chemistry Part C Vol.121 No.5
<P>The size-dependent band-gap energies of AgIn5S8 nanoparticles were directly measured for the first time using absorption and photoluminescence spectroscopies, which enabled an explanation of the evolution of the band-gap energy with the quantum-confinement effect in AgIn5S8 nanoparticles. The band-gap transition in steady-state and time-resolved photoluminescence spectra indicated that the stable structure of the AgIn5S8 nanoparticles was the cubic phase. The electronic band structures of the Ag-In-S nanoparticles were mainly related to the crystal structures, although the stoichiometry affected the band energies to some extent. Zn doping led to the formation of a ZnS-AgIn5S8 solid solution, as supported by the significant changes in the electronic band structures of the AgIn5S8 nanoparticles. Controlling the size and stoichiometry allowed the emission of the Ag-In-S nanoparticles to be tuned in the entire visible regime.</P>
Analysis of binary longitudinal data with time-varying effects
Jeong, Seonghyun,Park, Minjae,Park, Taeyoung Elsevier 2017 Computational statistics & data analysis Vol.112 No.-
<P>This paper considers the analysis of longitudinal data where a binary response variable is observed repeatedly for each subject over time. In analyzing such data, regression coefficients are commonly assumed constant over time, which may not properly account for the time-varying effects of some subject characteristics on a sequence of binary outcomes. This paper proposes a Bayesian method for the analysis of binary longitudinal data with time varying regression coefficients and random effects to account for nonlinear subject-specific effects over time as well as between-subject variation. The proposed method facilitates posterior computation via the method of partial collapse and accommodates spatially inhomogeneous smoothness of nonparametric functions without overfitting via a basis search technique. The proposed method is illustrated with a simulated study and the binary longitudinal data from the German socioeconomic panel study. (C) 2017 Elsevier B.V. All rights reserved.</P>
Jeong, Seonghyun,Yoon, Soyeon,Chun, So Yeon,Yoon, Hee Chang,Han, Noh Soo,Oh, Ji Hye,Park, Seung Min,Do, Young Rag,Song, Jae Kyu American Chemical Society 2018 The Journal of Physical Chemistry Part C Vol.122 No.18
<P>The optical properties of ZnS-AgIn<SUB>5</SUB>S<SUB>8</SUB> quantum dots (QDs) with core/shell structures are examined to clarify the enhancement mechanism of the photoluminescence (PL) quantum yield (QY). Two types of QDs are synthesized by varying the concentration of zinc precursors, with alloyed-core (ZnS-AgIn<SUB>5</SUB>S<SUB>8</SUB>, ZAIS), inner-shell (ZnIn<SUB>2</SUB>S<SUB>4</SUB>, ZIS), and outer-shell (ZnS) structures, such as ZAIS/ZIS/ZnS and ZAIS/ZnS. Upon alloying/shelling processes from the preformed AgIn<SUB>5</SUB>S<SUB>8</SUB> QDs, the evolution of the band gap energy indicates the formation of the solid solution of ZAIS. Due to the difference in the degree of alloying between ZAIS/ZIS/ZnS and ZAIS/ZnS QDs, the blue shift of PL, Stokes shift, and QY are different. The alloying/shelling processes improve the QY of the intrinsic defect states more effectively than the QY of the surface defect states, while the time-resolved studies suggest that the enhanced radiative rate of the intrinsic states is responsible for the improvement of the QY, in addition to the reduced nonradiative rate. In ZAIS/ZIS/ZnS QDs, the QY increases to 85%, which is attributed to the existence of the ZIS layer, as well as the reduced nonradiative states and the enhanced radiative states by the alloying/shelling processes. The ZIS layer mitigates the lattice strains and provides the appropriate levels of the electronic structures in the QDs, which further reduces the nonradiative rate and enhances the radiative rate, respectively, leading to the unprecedentedly high PL QY of ZAIS/ZIS/ZnS QDs.</P> [FIG OMISSION]</BR>