• Journal of the Korean Society of Fashion and Beauty
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• v.2 no.2 s.2
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• pp.107-119
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• 2004

Dan-chung had many great traditional patterns of Korea. By investigating its patterns, which comprise the integral part of the formative features, and analyzing the aesthetic characteristics and formative beauty, the foundation was set to use the patterns as the motives of art makeup works. A focus was made on the basic elements, compositions and symbolic meanings of Dan-chung patterns. The representative patterns that were used a lot in Dan-chung made the motives of the four art make-up designs, which tried to integrate the aesthetic senses of the Dan-chung patterns into the art makeup venues. The four patterns were each based on the phoenix, bat, ghost face, and crane. The major colors used were white, black, red, blue and yellow, which were also the cardinal Five Colors of Dan-chung. They were changed in terms of luminosity and coma and manipulated to make harmony with intermediate colors so that the designs would ooze out the Korean aesthetic senses.

• Journal of the Korea Fashion and Costume Design Association
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• v.11 no.2
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• pp.33-42
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• 2009

The purpose of this study was to research the development of jacquard fabrics by the Bi-Dan patterns of Dan-Chung as one of the traditional korean symbols. For performing this design study, it designed a surface design of the geometric images in Bi-Dan patterns using by EAT Jacquard Textile CAD system and simulated to fabrics for the clothing & bags. To consider the modern image of Bi-Dan patterns in the Dan-Chung motives, the theoretical background was made on the basic elements, compositions and symbolic meanings of Dan-Chung patterns. To merchandise the fashion items and see the visual image, these jacquard fabric simulations was processed by two-dimension modeling through YoungWoo CNI CAD. The applied weave structure was based on a single layer of 5 or 10 points-satin and a double layer of 8 points-satin. Among the fabric simulations of Bi-Dan patterns, the six simulated fabrics were woven into the real jacquard fabrics under the electronic Stabuli jacquard loom in $120{\sim}130$ picks per inch and 171 ends per inch. These developed jacquard fabrics of Bi-Dan patterns were appeared a contemporary yet ethnic feeling so that they could make use of the unique korean cultural products by the further commercialization.

• Journal of the Korean Wood Science and Technology
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• v.35 no.1
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• pp.44-50
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• 2007

The objective of this study was to investigate the influence of the vehicle resin on the coating performance of Dan-Chung. The starch glue (F), fish glue (G), and aqueous acrylic resin emulsion (E) were used as vehicle resins. Panels coated with Dan-Chung were tested at accelerated weathering and outdoor conditions. Aqueous acrylic resin was proved as an excellent vehicle resin for Dan-Chung, because there was no flaking in Dan-Chung film after accelerated weathering and outdoor exposure. Discoloration of Dan-Chung using E was the smallest among the acceleratedly weathered panels. Adhesive property of Dan-Chung film using G was. remarkably improved by G-undercoating. On the contrary, G-undercoating lowered adhesive property of Dan-Chung film using E.

• Proceedings of the PSK Conference
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• 2002.10a
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• pp.266.2-266.2
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• 2002

"Chung Wi Dan" is a Chinese patent medicine, which is used for various purposes in Korea. According to traditional publications, they are mixtures of several powders made of herb medicines. Chung Wi Dan of 19 kinds of powder is used for catarrh of the gastrointestines, indigestion, a pain in the chest. nausea. For the identification of individual ingredients in such powdery mixtures, microscopic method may advantageously be used as it requires only a small amount of specimens. (omitted)

• Journal for History of Mathematics
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• v.21 no.2
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• pp.71-80
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• 2008

From the ancient Korea, our ancestor had designed the unique pattern which is Dan-chung, in architectures such as palace and Buddhist temple. In Dan-chung pattern, there are many various kinds, that is geometric pattern, arabesque pattern, plant pattern, flower pattern, animal pattern, Buddhist pattern and living pattern. So, we can see the tessellations in the Dan-chung pattern, moreover we can find the beauty of tessellation in the Korean traditional architectures and crafts. In this paper, I'll show you Korean traditional tessellations via GSP 4.0. which means geomeric program Geometer's SkechPad.

• Proceedings of the Korean Society of Crop Science Conference
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• 2023.04a
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• pp.158-158
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• 2023

• Journal of Oriental Neuropsychiatry
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• v.20 no.1
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• pp.21-42
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• 2009

Objectives : This Study was performed to assess the antioxidant and neuroprotective effect of Chunghyul-dan(Qingxuedan) in PC12 cells and primary rat mesencephalic dopaminergic neurons. Methods : The anioxidant effect was investigated using the DPPH radical and ABTS cation scavenging assays and total polyphenol amout of Chunghyul-dan(Qingxuedan). The neuroprotective effect of Chunghyul-dan(Qingxuedan) in PC12 cells was evaluated using MTT assay. The scavenging activity of Chunghyul-dan(Qingxuedan) on ROS production induced by 6-OHDA(6-hydroxydopamine) in PC12 cells was evaluated, as well as the attenuating effect on GSH reduction. Finally, we examined the neuroprotective effect of Chunghyul-dan(Qingxuedan) against 6-0HDA-induced toxicity in the primary culture of rat mesencephalic doperminergic neurons. Results : Chunghyul-dan(Qingxuedan) showed concentration-dependent scavenging activities in DPPH radical and ABTS cation scavenging assays and it was not cytotoxic to PC12 cells. In postand co-treatment, Chunghyul-dan(Qingxuedan) protected PC12 cells from the 6-OHDA induced toxicity at 50 and 100 ${\mu}$g/mL significantly. And Chunghyu!-dan(Qingxuedan) decreased the 6-OHDA induced ROS production at a dose dependent manner, while increaing the 6-OHDA induced GSH reduction at 50 and 100 ${\mu}$g/mL significantly. Finally, Chunghyul-dan(Qingxuedan) showed signicant protection of rat mescencephalic dopaminergic neurons from 6-OHDA at 1 ${\mu}$g/mL. Conclusions : These results demonstrate that Chunghyul-dan(Qingxuedan) has the antioxidant and neuroprotective effect against 6-0HDA induced cytotoxicity through decreasing ROS production and increasing GSH reduction.

• Proceedings of the KOSOMBE Conference
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• v.1996 no.05
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• pp.305-310
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• 1996

The objective of this paper is to develop computer assisted learning system for the education of cardiac disease using multimedia. Total 20 cases of disease was selected and their asculation, X-Ray, ECG, Sanography, Angiogram and RI-Study results can be shown on the computer screen. The references about cardiology, surgical process can be also shown on the screen and the computer can test and score their records for the evaluation. This system will be widely applied for the education of medicine combined wi th the communication network.

• Magazine of the Korean Society of Agricultural Engineers
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• v.27 no.4
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• pp.42-52
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• 1985

This study was attempted to derivate empirical formulas for the runoff: ratio during ilood. season at three watersheds of Dan Yang, Chung Ju, and Yeo Ju are located at upper, middle, and lower portion of Nam Han river basin, respectively. Obtained formulas for flood runoff ratio can be applied as an element for the estimation, peak discharge for the design of various hydraulics structures which can be concidented with meteorological and topographical condition. The obtained through this study were analyzed as follows. 1.It was found that the magnitude of runoff ratio depends on the amount of rainfall for all studying basins. 2.Empirical formulas 'for the runoff' ratio were derivated as 1- 2,707 Rt0.345, 1-1.691 Rt0.242 and 1-1.807 Rt0.227 at Dan Yang, Chung Ju and Yeo Ju watershed, respectively. 3.The magnitude of runoff ratio was appeared in the order of Dan Yang, Chung Ju, and Yeo Ju are located at upper, middle and lower portion of Nam Han rivet basin, respectively. 4.It was assumed that in general the more it rains, the lesser becomes the ratio of loss rainfall. Especially, the ratio of loss rainfall for Dan Yang, upper portion of river basin was shown as the lowest among three watersheds. Besides, the magnitude of that was appeared in the order of Chung Ju and Yeo Ju watershed located at middle, and lower part of river basin, respectively. 5.Relative and standard errors of runoff ratio calculated by empirical formulas were shown to be within ten percent to the observed runoff ratio in all watersheds. 6.It is urgently essential that the effect of antecedent rainfall have an influence on the next coming flood should be studied in near future.

• Journal of Oriental Neuropsychiatry
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• v.19 no.3
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• pp.195-203
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• 2008

Objective: 'GyoGam-Dan' is known as a medicine to cure depression in Donguibogam (traditional Korean oriental medicine book). GyoGam-dan which is composed of Cyperi Rhizoma L. and Poria cum Radix pini has been used by basic prescription of asymptom related to all kinds of Qi(氣) disease. Although it has been clinically used for a long time, its safety have never been proved till now. Methods: We had collected data of 610 cases of patients taking 'GyoGam-Dan' at Wonkwang univ. oriental medical center for a period of three years (2005.3.09-2008.04.30). On the patients' blood, the levels of LFT and RFT were examined and the residual levels of heavy metals and pesticides were measured. Results: There were 610 patients who had taken GyoGam-Dan for about three years. In the patients, the most common diseases is depression, followed by palpitation, and then insomnia. Among the patients' estimations on its effectiveness, there were many of positive ones. The blood analyses of patients who had taken GyoGam-Dan did not show any problems and moreover there was not any problems in the levels of residual heavy metals and agricultural pesticides. Taken together, GyoGam-Dan was proved to be a safe medicine for health. Conclusions: Our clinical and chemical studies show that GyoGam-dan has the anti-stress effect and is a safe medicine of which side effect does not exist. Hereafter, Nigorous clinical trial on GyoGam-dan is required.