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      • 鷄龍山 鐵畵粉靑에 關한 硏究 : EDAX分析 結果 中心으로

        金鐘兌 淸州大學校 1993 淸藝論叢 Vol.7 No.-

        Korea has three typical porcelains, which are celadon porcelains, white porcelains, and iron-painted porcelains. The iron-painted porcelain appears dark-brown or black when we paint a porcelain white and draw a picture with a color which is rich in iron. The iron-painted porcelain has much artistic merit, for it isn't scratched or sculptured like other porcelains but drawn a picture with a brush. It shows all things in nature with various designs. The designs express them schematically, abstractly, or humorously, but they show the humor of a free human being on the whole and go with the sense of modem times. In the iron-painted porcelain, Kyeryongsan has the biggest kiln site in our country and it shows the characteristic structure, But, regreffably, we haven't inherited ceramic tradition from here, instead it has developed sucessfully in Japan. The potter, Lee Sam-pyo˘ng, in Kyeryongsan was taken to Japan in the Japanese invasion of Korea in 1592. He built arita, a ceramic village in Japan and the great reputation of its ceramic art extended to Europe Afterwards, the Japanese descendants of the potter from Choso˘n erected a monument to the memory of their ancestor, Lee Sam-pyo˘ng at parkjo˘ngja in Kyerongsan. Now, we don't carry out briskly its researches in Korea, but, in Japan, they have lively researches and many ceramic works. Therefore, I want to revive the iron-painted porcelain by the scientific analysis and build the true character of the potters in Choso˘n.

      • 19種의 顔料를 利用한 色素地 硏究 : 白磁素地 中心으로

        金鍾兌 淸州大學校 1994 淸藝論叢 Vol.8 No.-

        There are several methods to produce colors for ceramics ; for instance, pigments, glaze, and clays can influence the color of ceramics. The concentration of this research paper is to explain about the coloring of ceramics with the pigments. There are many things that can be used as a pigment : tiles, ceramic, crayons, ceramic pencils, playthings, coloring matter clyas, and table wares. Up to the present, the pigments have been researched throughly. However, the pigments which are artificially manufactured through the using of raw substances and mixing of metrials have been widely studied and recently developed. The pigments are not dissolved, when they are in a porcelain-kiln under a high temperature. In addition, because the pigment's caricteristics do not combine with the glazes chamically in a kiln, it is widly recomended as one of the best coloring materials to make elean and pure color for ceramics. I wish that this research paper will be helpful for artists uho make ceramics and factories which produce pigments for domestic production.

      • KCI등재

        미분층반응기에서 양이온 교환수지에 의한 카드뮴(II)의 제거

        김종태,정재관,Kim, Jong-Tae,Chung, Jaygwan G. 대한환경공학회 2000 대한환경공학회지 Vol.22 No.7

        본 연구는 흡착에 의한 Cd(II)의 제거를 위하여 일본 Diaion사에서 제조되고 있는 강산성양이온 교환수지(SK1B)를 흡착제로 사용하여 흡착평형실험, 탈착실험 및 흡착속도실험을 수행하였다. 흡착평형실험에서는 흡착능에 미치는 pH와 온도의 영향을 알아보았고 흡착등온식을 산출하였으며, 탈착실험에서는 재생회수에 대한 수지의 재생율의 변화에 대해서 알아보았다. 흡착속도실험에서는 수지를 미분층 반응기에 채워 유량별로 초기제거속도를 구하여 경막저항이 최소가 되는 최적유량을 구하였으며, 이 최적유량에서 흡착속도실험을 수행하여 총괄흡착속도식을 구하였다. 용액의 pH를 변화(2~7)시켜 제조하여 수지를 투여한 결과 pH가 증가할수록 흡착능이 증가하였으며 pH 6 이상에서는 흡착능이 일정한 경향을 나타내었다. 흡착능에 미치는 온도의 영향은 $10{\sim}50^{\circ}C$ 범위에서 온도가 증가할수록 흡착능도 증가함을 알 수 있었다. 회분식실험을 통해 얻은 자료를 각 흡착등온식에 적용해 본 결과 본 실험의 농도 영역(5~15ppm)에서는 Freundlich 흡착등온식과 Sips 흡착등온식이 Langmuir 흡착등온식보다 더 %편차가 적었다. 탈착제로서 0.01~2N 농도의 HCl 수용액을 사용할 경우에는 탈착제의 농도가 진할수록 흡착제의 재생율이 높았으며 재생 반복회수가 늘어날수록 재생율이 약간씩 감소하였다. 미분층 반응기를 이용한 연속공정실험($25{\pm}5^{\circ}C$)에서 경막확산저항이 최소가 되는 최적유량 $564m{\ell}/min$에서 수행한 수지에 대한 Cd(II) 수용액의 총괄흡착속도식은 다음과 같이 표현될 수 있다. $r=1.3785C_{fc}^{1.2421}-2.0907{\times}10^{0.0746C_i}\;q_e^{0.0121C_i-0.0301}$ In this study, in order to remove Cd(II) from aqueous solutions, strongly acidic cation exchange resin(SK1B) by Diaion Co. was employed as an adsorbent. Experiments were mainly performed in two parts at room temperature($25{\pm}5^{\circ}C$) : batch tests and adsorption kinetics tests. In batch tests adsorption equilibrium time, pH effects, temperature effects, several adsorption isotherms, and finally desorption tests were examined. In differential bed tests, an optimum flow rate and an overall adsorption rate were obtained. In the batch experiment, adsorption capability increased with pH and became constant above pH 6 and adsorption quantity increased with temperature. Batch experimental data found that Freundlich and Sips adsorption isotherms were more favorable than Langmuir adsorption isotherm over the range of concentration (5~15ppm). The desorbent used in the desorption test was hydrochloric acid solution with different concentrations(0.01~2N). The degree of regeneration increased with concentration of desorbent and decreased slightly with the number of regeneration. In the continuous flow process using a differential bed reactor, the optimum flow rate was $564m{\ell}/min$ above which the film diffusion resistance was minimized. The overall adsorption rate for the removal of Cd(II) by cation exchange resin was found as follows ; $r=1.3785C_{fc}^{1.2421}-2.0907{\times}10^{0.0746C_i}\;q_e^{0.0121C_i-0.0301}$

      • KCI등재

        신용장거래하(信用狀去來下)의 상환(償還)에 관한 법리(法理) 및 통일규칙(統一規則)에 관한 연구(硏究)

        김종태,박석재,Kim, Jong-Tae,Park, Seok-Jae 한국무역상무학회 2000 貿易商務硏究 Vol.13 No.-

        Until July 1, 1996, no international rules, other than the simple practices contained in the UCP 500 have existed for the processing of bank-to-bank reimbursements. At last, ICC Uniform Rules for Bank-to-Bank Reimbursements under Documentary Credits(Pub. No. 525) have been published on July 1, 1996. Our country have adopted the URR 525 on August 1996. But in view of the present number of countries adopted the URR 525, I think our country is very impetuous. In order to comprehend the URR 525 correctly, this study is carrying out to clarify the legal principles on reimbursements among issuing banks, nominated banks, unauthorized banks. Secondly, this study is carrying out indicate the background of establishing, the main contents, the approval and the criticism of URR 525. Finally, this study is carrying out to point out the matters that demand special attention about the operation of URR 525

      • KCI등재

        The Forecasting for the Number of a High-school Graduate and the Number Limit of Matriculation in Kyungbook

        김종태 한국데이터정보과학회 2005 한국데이터정보과학회지 Vol.16 No.4

        Recently, the decrease of the number of a high-school graduate have serious influences on the number of a limit matriculation of colleges and universities. Based on the resident registration population, we forecast for the number of a high-school graduate until 2022 year in kyungbook. Most college and universities in Kyungbook have to reduce the 67.8% of the number of limit matriculation until 2022 year to avert a disaster by prompt action.

      • KCI등재

        The Forecasting About the Number of the Third Graders in a High-school until 2022 year in Daegu City

        김종태 한국데이터정보과학회 2005 한국데이터정보과학회지 Vol.16 No.4

        Recently, the decrease of the number of the third graders in a high-school have serious influences on the number of a limit matriculation of colleges and universities. The purpose of this paper is to forecast for the number of a high-school graduate until 2022 year in Daegu city as based on the resident registration population. As the based period of 2004, most college and universities in Daegu city have to reduce the 37.5% of the number of limit matriculation until 2022 year to equal the number of the third graders in a high-school.

      • KCI우수등재

        Goodness-of-Fit Test Based on Smoothing Parameter Selection Criteria

        김종태,Kim, Jong-Tae Korean Data and Information Science Society 1993 한국데이터정보과학회지 Vol.4 No.-

        The Proposed goodness-of-fit test Statistic $\hat{\lambda}_{\alpha}$ derived from the test Statistc in Kim (1992) is itself a smoothing parameter which is selected to minimize an estimated MISE for a truncated series estimator, $d_{\hat{\lambda}{n}}$, of the comparison density function. Therefore, this test statistic leads immediately to a point estimate of the density function in the event that $H_{0}$ is ejected. The limiting distribution of $\hat{\lambda}_{\alpha}$ was obtained under the null hypothesis. It is also shown that this test is consistent against fixed alternatives.

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