• The Journal of the Korea Contents Association
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• v.8 no.11
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• pp.203-209
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• 2008

Nowadays the risk of radiation is getting more serious, so we must know the exact dose that was irradiated, Because very high radiation dose is used in radiation therapy field. We used the ionization chamber which measure the radiation dose in this study. We tried to know the incorrect result from the distortion of geometric structure of ionization chamber and we studied how to find the distortion of geometric structure of ionization chamber. We used a radio fluoroscopy to find the wound degree of electrode of ionization chamber and a reconstructed 3D CT image to analyze the wound degree of electrode quantitatively. we measured degree of distortion by comparing with absorbed dose of normal electrode and wound electrode. The comparative result is not absolute dosimetry at specific point but relative dosimetry between thats. We measured 4 MV, 10MV photon with same absorbed dose and dose rate. The degree of distortion of wound electrode was totally $5.5{\sim}7.2%$, and there was no difference between two energies. The variation induced from radiation dose to be irradiated and dose rate, and the degree of distortion from wound direction also was almost similar value. We could find that the geometric structure of ionization chamber that can influence a basic measurement of radiation dose can be changed by old usage and inattention of management in this study, especially winding of electrode can be happened, in radiation therapy field, It is very important to keep precise radiation dose quantitatively.

• Horticultural Science & Technology
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• v.18 no.3
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• pp.348-352
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• 2000

Four different Chinese cabbage cultivars were compared for their physicochemical quality characteristics including crude fiber, chlorophyll, firmness, hardness, sugar, and flavor at different parts of the cabbages. No significant difference in crude fiber content was observed among cultivars. Chlorophyll content in midrib was not significantly different among cultivars, however Chlorophyll content in leaf of 'Golden House' and 'Golden Spring' were greater than that of 'Alpine Summer' Firmness was the highest in 'Golden House' and 'Golden Spring' but hardness was not significantly different among cultivars. Sugar content was higher in midrib than in leaf. 'Golden Spring' a showed the highest sugar content in midrib. Glucose content was higher than the fructose content in leaf, but was opposite in midrib. Sensory evaluation showed that 'Golden House' and 'Golden Spring' were the best in yellowness, and 'Golden House' and 'Alpine Summer' were the best for their taste and aroma in midrib, however, no significant difference in texture was observed among cultivars.

• Korean Journal of Food Science and Technology
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• v.45 no.4
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• pp.478-487
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• 2013

Onions were treated with different amounts of sulfur (S) during cultivation and examined for their physicochemical properties and flavor. Onions cultivated without S application were the control group; the treatment groups were grown in soil that had been pretreated with S and received additional S applications or four times before harvest. As the number of S applications increased, the levels of crude protein, quantified with total nitrogen; ash, approximating total amounts of minerals; and dietary fiber of the onions tended to increase. The mineral compositions also improved, with noticeable increases in the levels of Mg, K, Fe, and Zn. In particular, the reducing capacity of the onions increased appreciably (p<0.05), without increases in the levels of S-containing compounds such as thiosulfinate or S-containing amino acids. Nevertheless, the spicy hot taste and flavor, which is generated mainly from S-containing compounds, were perceived more strongly in the onions that had received more S applications.

• Journal of KIISE:Computing Practices and Letters
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• v.8 no.6
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• pp.736-745
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• 2002

In network delivery of compressed video, packets may be lost if the channel is unreliable like Internet. Such losses tend to of cur in burst like continuous bit-stream error. In this paper, we propose an effective error-concealment approach to which an error resilient video encoding approach is applied against burst errors and which reduces a complexity of error concealment at the decoder using data hiding. To improve the performance of error concealment, a temporal and spatial error resilient video encoding approach at encoder is developed to be robust against burst errors. For spatial area of error concealment, block shuffling scheme is introduced to isolate erroneous blocks caused by packet losses. For temporal area of error concealment, we embed parity bits in content data for motion vectors between intra frames or continuous inter frames and recovery loss packet with it at decoder after transmission While error concealment is performed on error blocks of video data at decoder, it is computationally costly to interpolate error video block using neighboring information. So, in this paper, a set of feature are extracted at the encoder and embedded imperceptibly into the original media. If some part of the media data is damaged during transmission, the embedded features can be extracted and used for recovery of lost data with bi-direction interpolation. The use of data hiding leads to reduced complexity at the decoder. Experimental results suggest that our approach can achieve a reasonable quality for packet loss up to 30% over a wide range of video materials.

• Journal of KIISE:Computing Practices and Letters
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• v.10 no.2
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• pp.174-188
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• 2004

In the life environment changed with not only the quality and the price of the products but also the material abundance, it is the most crucial factor for the strategy of product sales to investigate consumer's sensibility and preference degree. In this perspective, it is necessary to design and merchandise the products in cope with each consumer's sensibility and needs as well as its functional aspects. In this paper, we propose the Fashion Design Recommender Agent System (FDRAS-pro) for textile design applying collaborative filtering personalization technique as one of the methods of material development centered on consumer's sensibility and preference. For a collaborative filtering system based on textile, Representative-Attribute Neighborhood is adopted to determine the number or neighbors that will be used for preferences estimation. Pearson's Correlation Coefficient is used to calculate similarity weights among users. We build a database founded on the sensibility adjectives to develop textile designs by extracting the representative sensibility adjectives from users' sensibility and preferences about textile designs. FDRAS-pro recommends textile designs to a customer who has a similar propensity about textile. To investigate the sensibility and emotion according to the effect of design factors, fertile designs were analyzed in terms of 9 design factors, such as, motif source, motif-background ratio, motif variation, motif interpretation, motif arrangement, motif articulation, hue contrast, value contrast, chroma contrast. Finally, we plan to conduct empirical applications to verify the adequacy and the validity of our system.

• Land and Housing Review
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• v.4 no.1
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• pp.33-42
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• 2013

This study which are recognized that the lack of empirical research about the efficiency of the elements of environmentally friendly housing development planned presented housing design elements and policies to revitalize for the reduction of greenhouse gas emissions by analyzing the effectiveness of reduction of greenhouse gas output. In addition, it used various models of DEA which are accepted until now effective technique to evaluate the performance of the organization. In conclusion, there are effective 5 regionals which are Seoul, Incheon, Ulsan, South Chungcheong Province, South Gyeongsang Province. other regionals was analyzed to be inefficient. The conclusion from this study are as follows: First, in case of 11 regionals which are analyzed to be inefficient, they have to difference plan elements to make up. So each region should establish strategy to complement vulnerability. Second, not only internal architectural factors but institutional, and external environmental factors also affect the reduction of greenhouse gas emissions. And weighted scores also were moderately high. But levels of weighted scores still less than the ratio of Good quality housing. So it can be determined that evaluation of individual architecture still considered important. It need to pay more attention to the operating system and the external environmental factors.

• The Journal of the Korea Contents Association
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• v.16 no.12
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• pp.223-232
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• 2016

The purpose of the study is to explore the attitude of the Korean television drama in mongolia market impact Korea country image, corporate and product's image formation. The research is conducted effects of Korean image, its company, product and belief of its product and influence of procurement of Korean products in Mongolia in terms of Mongolian has enormously watched Korean drama since latest of 1990. Korean drama can influence Korean products image. Watching Kore and rama can influence view of Mongolian in quality of Korean products, design etc. Korean dramas can affect images of Korean company. Watching Korean drama can influence opinion of Mongolian in staff, culture, level of technique of Korean company moreover, competitiveness of Korean company in international market and etc. Korean drama can influence Korean image. Watching Korean drama can reach aspect of Mongolian in Korean education level, national security, reconstruction and income of population and etc. The most effective factor in product reliability and procurement was country image but company image can not influence that. In conclusion according to survey result within Mongolian customers that Korean drama has some influence in Korean image, its company image, product image, and product reliability and procurement of Korean product.

• Proceedings of the Korean Society of Postharvest Science and Technology of Agricultural Products Conference
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• 2003.10a
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• pp.194.1-194
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• 2003

본 연구는 수출방법의 개선과 절임 가공식품의 개발하고 일본 수출용으로 재배하고 있는 가지 품종의 최적 염절임 방법과 더불어 절임가지의 저장중에 물성 및 일반성분의 변화를 조사하였다. 절임가지의 명도와 황색도는 저장기간이 길어질수록 모든 조건에서 증가하지만, 진공포장한 절임가지의 명도와 황색도는 침지 저장한 것에 비해 변화 정도가 작았다. 절임가지의 염도는 절임 초기에는 축양 품종과 시키부 품종에서 각각 24.67, 20.27% 이었으며, 진공포장한 것은 저장 5일 이후에는 변화가 없었으나 침지 저장한 것에는 저장 중에 계속 감소하였다. pH의 변화는 품종과 저장방법에 관계없이 저장중에 감소하였으며, 수분함량은 절임중에 급격하게 감소하여 축양 품종과 시키부 품종에서 각각 79.93, 82.56% 이었으며, 진공 포장하여 저장한 절임가지에서는 5일째에 증가하였고 이후에는 변화가 없었으나, 침지 저장 방법에서는 두 품종 모두 15일까지 증가하였다. 또한 수용성 단백질 함량의 변화도 수분함량의 변화와 비슷하였다. 비타민 C의 함량은 생가지 보다 두 품종 모두 최적조건으로 염절 임 한 가지에서 높아 축양 품종과 시키부 품종에서 각각 21.41, 24.53mg/100g 이었으며, 저장기간 동안 그 함량이 감소하였고, 진공포장 저장한 방법이 침지 저장한 방법에 비해 감소하는 경향이 적었다. 저장기간에 길어질수록 나트륨과 마그네슘의 함량은 감소하였으나 반대로 칼륨의 함량은 증가하였고 특히 침지 저장한 방법에서 이와 같은 변화가 두드러졌다. 두 품종의 절임가지의 저장방법과 저장기간에 따른 물성 및 성분의 변화를 조사한 결과, 진공포장하는 것이 절임가지의 품질 유지할 수 있는 것으로 생각된다.부로 유출되어 균체의 생육이 억제되며 성장을 저해 또는 사멸시키는 것으로 나타났다. 대장균수는 우유, 달걀 및 콩나물의 모든 처리구에서 BAAG의 첨가에 의해 성장이 억제되었으며 농도가 증가시킬수록 균증식 억제 효과가 뚜렷하였으며, 총균수도 압도적으로 낮은 간을 보여주었다. 달걀의 조단백함량의 변화는 BAAG를 처리하지 않은 무처리 대조구에 비하여 침지 처리한 경우가 조단백 변화가 크지 않았다. 즉, BAAG의 침지 처리한 경우, 저장기간 14일이 경과 한 후에 10%정도의 수준으로 감소한데 반하여, 무처리구인 대조구의 경우, 23%수준으로 감소 증도가 증가하였다. 외관상의 변화와 상품 가치를 측정한 결과는 달걀의 경우, 14일이 경과후에는 무처리 대조구에서 흰자위의 감소와 노른자위와의 경계가 뚜렷하지 못하여 상품으로서의 가치가 크게 떨어진 상태였다. 우유의 경우에는 4$^{\circ}C$와 2$0^{\circ}C$에 저장된 대조구에서는 각각 3일과 12일경과 후 강한 부패취와 아울러, 표피의 갈변정도가 심하되어 관능적으로 부패상태를 인지할 수 있었다. 콩나물의 경우도 저장3일 경과 후에 부패취와 함께 점질성 갈변물질이 생성되었다. 이와 같은 결과로 볼 때, BAAG의 처리는 BAAC의 경우보다 가격은 저렴하면서도 항균력은 우수한 천연 항균복합제재로써 농산물 식품원료에 적용하여 선도유지 기간을 연장할 수 있는 효과를 기대할 수 있었다. 과일 등의 포장제로서 이용할 가능성을 확인하였다.로 [-wh] 겹의문사는 복수 의미를 지닐 수 없 다. 그러면 단수 의미는 어떻게 생성되는가\ulcorner 본 논문에서는 표면적 형태에도 불구하고 [-wh]의미의

• Journal of Digital Convergence
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• v.18 no.1
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• pp.129-135
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• 2020

This study examined the consumer response of the current O2O service between service types. Previous studies mainly focused on the quality factor of O2O service or Technology Acceptance Model or extended TAM, This study is different from the fact that there are differences in factors that consumers consider important and consumer reactions by service type. It is also significant that we compared between representative food delivery services and car sharing services that are actively used among O2O services. As O2O service is closely related to consumer's life, this study chose three factors that the issue of personal information security and trust of intermediary platform companies, and finally subjective norm based on individuals and groups who are aware of new O2O service. To test hypotheses, data were collected and analyzed for 301 samples, focusing on delivery and car sharing service, As a result, the delivery service among the O2O services was more positive to attitude toward service in the consumer group with lower personal information security, trust in platform, and subjective norm than car sharing service. Based on these results, implications and future research directions were presented.

• Food Science and Preservation
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• v.20 no.2
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• pp.272-277
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• 2013

The physicochemical and sensory properties of herb samgyetang, ginseng chicken soup added with medicinal herbs were investigated to determine the optimum addition level of medicinal herbs. The pH of herb samgyetang decreased with increasing addition level of the Acorus gramineus addition level, and the soluble solid content increased as the Codonopsis lanceolata addition level increased. The herb samgyetang with the highest Codonopsis lanceolata addition level had the lowest $L^*$ and $b^*$ value. In contrast, the $a^*$ value increased with increasing Codonopsis lanceolata addition level. In sensory evaluation, the highest color, taste, and overall acceptability scores were obtained by the herb samgyetang with the highest Codonopsis lanceolata addition level. In conclusion, the optimum addition levels of medicinal herbs for herb Samgyetang are as follows: Platycodon grandiflorum 4 g, Acorus gramineus 4 g, Codonopsis lanceolata 12 g, Schizandra chinensis 6 g, Atractylodeslancea 4 g, Glycyrrhiza uralensis 4 g, and Zizyphus jujube 4 g.