A scientific analysis was carried out on the 14 pieces of glass beads excavated from the Daho-ri site NO. 6, Changweon. Most of the glass pieces were made of light blue transparent glass with round bubbles aligned in a regular direction. As a result of the SEM-EDS analysis, all the glass pieces turned out to be within the potash glass group (K2O-SiO2) and were identified to be the LCA (Low CaO, Low Al2O3) series glass, of which the concentration is 5% or below for CaO and Al2O3 respectively. In addition, it is presumed that plant materials were refined or a mineral (saltpetre, KNO3) was used as the raw materials for making potash and also that the ingredient acting as a colorants for light blue color was affected deeply by CuO.
Wooden objects excavated from Gwangju Shinchang-dong, we analyzed total 40 pieces consisting of 37 pieces for analysis of species of trees, 3 pieces for analysis of lacquer. and especially it was found that in case of lacquerware and living goods like dish, diffuse-porous woods were used. As a result of this, total 7 species of trees used for wooden objects identified are Quercus spp., Cearsus spp., Prunophora spp., Acer spp., Salix spp., Populus spp. were identified. As a result of analyzing lacquered film, though there is a difference of times of lacquering between holed lacquerware and cylider type lacquerware body part 5, it was confirmed that after undercoating, black pigments and lacquer were painted on upper layer in mixture, and foundation platter for with 5 parts lacquer ware was undercoated with mixture of powdered soil, black pigments and lacquer, and then its upper layer was coated with lacquer mixed with black pigments.
As the modern society has become highly industrialized and functionalized, the entry of women in public affairs has become brisk and extensive, and the studies of jackets which can satisfy the functions and designs for various activities have become important. Especially in the tailored collar which is the typical collar for female jackets, the studies such as scientific original form design, and design evaluation through analyzing functionality and sensitivity and others must be systematically carried out. In this study, therefore, the objective was placed in examining the actual state of the production of the tailored collar in the field of production first, and inquiring the general theories on the constituent elements of tailored-collar and production methods by analyzing it and comparing it with the educational tailored-collar production methods. First, in regard to the relation between the collar and the length of the backside neck of the bodice, in most cases, they were employing the method to enlarge the length of the backside neck of the bodice by shortening the length of the neck-base girth. That is, they were processing in order that the self collar band inside of the roll line and the fall of the collar can make a soft curved line. Second, when producing tailored-collar patterns, it is desirable to very the inclination according to the breath of the collar or thickness of the fabric because the stability of the inclination of the collar differs depending on the condition the collar is set, the girth of the collar edge. the broader the breath of the collar becomes, the thicker the fabric becomes, and the more the cloth is against the cold, it is necessary to make the inclination larger. Third, in the size relation between the upper collar and under collar, when sewing collars, it becomes thick and stabilized as it goes from the part in which extra pieces were put to the part in which extra pieces are not put. So you must make the upper collar larger by putting in extra pieces. The amount to be put in differs depending on characteristics of the materials.
Kim, Juho;Paeng, Dong-Guk;Lee, Chong Hyun;Lee, Seung Woo
Journal of Ocean Engineering and Technology
/
v.28
no.6
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pp.552-559
/
2014
In general, the number of underwater transient signals is very limited for research on automatic recognition. Data-dependent feature extraction is one of the most effective methods in this case. Therefore, we suggest WPCC (Wavelet packet ceptsral coefficient) as a feature extraction method. A wavelet packet best tree for each data set is formed using an entropy-based cost function. Then, every terminal node of the best trees is counted to build a common wavelet best tree. It corresponds to flexible and non-uniform filter bank reflecting characteristics for the data set. A GMM (Gaussian mixture model) is used to classify five classes of underwater transient data sets. The error rate of the WPCC is compared using MFCC (Mel-frequency ceptsral coefficients). The error rates of WPCC-db20, db40, and MFCC are 0.4%, 0%, and 0.4%, respectively, when the training data consist of six out of the nine pieces of data in each class. However, WPCC-db20 and db40 show rates of 2.98% and 1.20%, respectively, while MFCC shows a rate of 7.14% when the training data consists of only three pieces. This shows that WPCC is less sensitive to the number of training data pieces than MFCC. Thus, it could be a more appropriate method for underwater transient recognition. These results may be helpful to develop an automatic recognition system for an underwater transient signal.
Journal of the Korean Society of Fisheries and Ocean Technology
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v.44
no.1
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pp.20-30
/
2008
In order to evaluate the biodegradability of bait used in the pot for swimming crab, water tank experiments were conducted. Mackerel is the most commonly used natural form of bait to catch the swimming crabs, and therefore was used in this experiment for the biodegradability according to the manufacturing process of the bait. From the biodegradability test on chemical oxygen demand(COD), total nitrogen(T - N), total phosphorus(T - P), ammoniac nitrogen, nitrite nitrogen and nitrate nitrogen per unit weight of the bait based on the production rate and the accumulated amount of pollutants, it was concluded that the smaller the size of the mackerel pieces, the higher the production rate and accumulated amount of organic matter and nutrients which was unfavorable to water pollution. The amount of pollutants released from the intestine of the tuna was similar with that from the whole mackerel. For the operation period of 111 days, the accumulated concentrations of tested pollutants from the tuna which were 67.3 mgCOD/g d, 86.4 mgT N/g d, 3.1 mgT - P/g d, were almost half comparing with those from the mackerel which were 65.7 - 94.4 mgCOD/g d, 83.8 - 109.4 mgT - N/g d, 3.1 - 5.2 mgT - P/g d. The amount of pollutants released from the intestine of the tuna was slightly less than that from the mackerel that was cut into 8 pieces. but more than that from the mackerel which was not cut into pieces. Therefore, it can be concluded that the key factor in determining water pollution potential is not the kind of bait, but the processing or preparation method used.
Objectives : The purpose of this study was finding out the daily dose of Aconiti Lateralis Radix Preparata and Aconiti Lateralis Radix in Treatise on Cold Damage Diseases.Methods : In order to estimate the daily dose of Aconiti Lateralis Radix Preparata and Aconiti Lateralis Radix, I researched Treatise on Cold Damage Diseases, Synopsis of Prescription of the Golden Chamber, Korean Pharmacoepia 10 and Science of Contemporary Chinese Medicine Product.Results : Daily doses of Aconiti Lateralis Radix Preparata are 1, 2, or 3 pieces and those amount are respectively 1, 2, or 3 Ryang. Common dose of Aconiti Lateralis Radix Preparata is 1 piece, Maximum Dose of it is 3 Pieces and that corresponds with dose of dried herb in Treatise on Cold Damage Diseases. Consider from Sovereign, Minister, Assistant and Courier, the dose of it in Buja-tang and Whyunmu-tang is 3 Ryang. 1 Ryang corresponds with 6.5 g. Aconiti Lateralis Radix is dried without baking so its weight is equal to Aconiti Lateralis Radix Preparata. Daily doses of Aconiti Lateralis Radix are 1 piece or 1 big piece and those amount are respectively 3 or 6 Ryang. Common dose of it is 1 piece.Conclusions : From this study, in Treatise on Cold Damage Diseases, Daily Doses of Aconiti Lateralis Radix Preparata are 1, 2, or 3 pieces(19.5 g, 39 g or 52 g), and that of Aconiti Lateralis Radix are 1 piece or 1 big piece(19.5 g, 39 g). Common Dose of two Herbal Medicine is 19.5 g.
The purpose of the study is to develop the competitive swimming suit design with Korean traditional images. which excels in dimension of functionality, aesthetics, and symbolism. To accomplish this study, first. a theoretical examination about Korean image was added, on the basis of the practical research about professional swimmers' preferences as well as the theoretical research about the history of swimming suits and the qualifications of competitive swimming suits in the prior study. Next, practical designing was performed to achieve the creative designs according to Lamb & Kallal's design process. and the superiority of the newly designed swimming suits was evaluated by using Grant's alpha-beta model. The results of this study can be summarized as follows : First. in the problem apprehension stage. the need for swimming suit designs with Korean traditional images for professional swimmers was acknowledged, and three major criteria. which are functionality, aesthetics. and symbolism has been verified. Second. in the preliminary brainstorming stage, considerable amounts of data for the design concept considering the criteria above have been gathered. The athletic one-piece for women and the brief for men in style and nylon/lycra in fabric were used in the aspect of functionality. And the S Korean traditional colors in color and Tae-guk motive and others in pattern were selected to apply Korean traditional images in the aspects of aesthetics and symbolism. Finally, the 13 series of creative designs with 4 themes( l17pieces in total) have been suggested. Third, in the design improvement stage. after the preference to each design was surveyed, reformation of the designs was arranged on the basis of the results. Fourth, in the prototyping stage. the 17 actual prototypes, including 13 pieces for women and 4 pieces for men were produced. Fifth. in the evaluation stage. the evaluation procedure using Grant's alpha-beta model was performed. As a result, the newly designed swimming suits were rated above other existing ones in all three aspects of functionality, aesthetics, and symbolism.
Religion has originated with mankind has developed with mankind and the ap-pearance of Christianity has made a greater contribution to forming the basis of European civilization than any other event. In the Middle Ages in succession to the Roman Ages the foundation of society was so laid centering around Christianity that the garments of religion leaders had greatly affected clothes of the common people as well as political economy. In this view-point it has an educational significance to study vestment of the time when Christianity was prevailing value of society. Thefore this study has tried to examine Catholic ceremonial clothes revolving around the Middle Ages when Christianity had been propagated and it has treated of the clothes of Catholic to have produced a great effect on the culture of the Middle Ages, The method of this study was to inquire into the definition and history of Catholic clothes through the first data of the real-thing data from the museums and the sec-ond of the literature data and photo sam-ples that show the application of above said elements to modern fashion. Results are eight pieces of work: four pieces of Computer Simulation and four pieces of the real-thing production to represent the image found in Catholic ceremonial clothes. The results of the study are as follows. First it has been elicited to be able to satisfy the costume aeshtics that modern society requires introducing brilliance and esthetic elements for these patterns to have by applying the ones expressed in the cere-monial clothes. Second it has been found to be able to make a fashion design with the modern style supported by history by making a proper mixture of the simple silhouette and a luxurious decoration shown in Catholic ceremonial clothes. Third it has been presented to be able to serve in the worldly area if even a religious motive get out of in the area of a solemn image and it is applied to a modern fash-ion.
Journal of the Korean Society for Precision Engineering
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v.16
no.10
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pp.141-151
/
1999
The resistance Spot Welding is widely used in the field of assembling the plates. However we don't still have any satisfactory solution, which is non-destructive quality evaluation in real-time or on-line, against it. Moreover, even though the rate of welding under the condition of expulsion has been high until now, quality control of welding against expulsion hasn't still been established. In this paper, it was proposed on the quality assurance technique of resistance spot welding pieces using Neuro-Fuzzy algorithm. Four parameters from electrode separation signal in the case of non-expulsion, and dynamic resistance patterns in the case of expulsion are selected as fuzzy input parameters. The parameters consist of Fuzzy Inference System are determined through Neuro-Learning algorithm. And then, fuzzy Inference System is constructed. It was confirmed that the fuzzy inference values of strength have within ${\pm}$4% error specimen in comparison with real strength for the total strength range, and the specimen percent having within ${\pm}$1% error was 88.8%. According to KS(Korean Industrial Standard), tensile-shear strength limit for electric coated of zinc is 400kgf/mm2. Judging to the quality of welding is good or bad, according to this criterion and the results of inference, the probability of misjudgement that good quality is valuated into poor one was 0.43%, on contrary it was 2.59%. Finally, the proposed Neuro-Fuzzy Inference System can infer the tensile-shear strength of resistance spot welding pieces with high performance for all cases-non-expulsion and expulsion. And On-Line Welding Quality Inspection System will be realized sooner or later.
This study aims to examine association between festival service evaluation attribute and behavior intention of visitors and research satisfaction with festival, second visit and recommendation intention, ultimately in order to suggest measures to establish market strategies. The study was conducted as follows. First, a total of 360 pieces of questionnaire were distributed from October 14 to 16, 2011 and a total of 335 pieces were collected. Except 15 pieces without responses, 320 were used for the study. Second, in service evaluation elements, program, facility and performance review had positive impacts on the satisfaction and second visit. All evaluation elements also positively affected recommendation intention. Third, in association between demographic features and satisfaction, second visit and recommendation intention, while the satisfaction positively influenced bringing a friend, it negatively influenced academic background and income. In addition, residence and job gave a positive affect on second visit, while income, bringing family and first visit gave a negative effect on the second visit. Last, age, academic background, income and bringing family gave a negative effect on recommendation intention.
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