• Journal of the Korean Society of Food Culture
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• v.10 no.2
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• pp.75-81
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• 1995

This study was attempted to standard Yukwa recipies by proposing optimal conditions for soaking time and the number of beating. Soaking time and the number of beating had effects on the number of peak, implying that 15 days of soaking time at $15^{\circ}C$ and 160 times of beating would be required. In Yukwa's microstructural image, the better groups were over 15 days of soaking time and as number of beating increased, the appearance improved. The longer soaking time, the better tenderness and expansion volume. The number of beating had significant effects on all sensory evaluation except volume. Response surface model showed that the optimal condition would be at least 15 days of soaking and 319 times of beating.

• International Journal of Internet, Broadcasting and Communication
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• v.7 no.1
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• pp.49-56
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• 2015

As WSN is energy constraint so energy efficiency of nodes is important. Because avoiding long distance communication, clustering operating in rounds is an efficient algorithm for prolonging the lifetime of WSN and its performance depends on duration of a round. A short round time leads to frequent re-clustering while a long round time increases energy consume of cluster heads more. So existing clustering schemes determine proper round time, based on the parameters of initial WSN. But it is not appropriate to apply the round time according to initial value throughout the whole network time because WSN is very dynamic networks nodes can be added or vanished. In this paper we propose a new algorithm which calculates the round time relying on the alive node number to adapt the dynamic WSN. Simulation results validate the proposed algorithm has better performance in terms of energy consumption of nodes and loss rate of data.

• International Journal of Advanced Culture Technology
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• v.6 no.4
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• pp.65-70
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• 2018

Wireless data broadcasting system that can support any number of clients is the effective alternative for the challenge of scalability in ubiquitous computing in IoT environment. In the system, it is important to evaluate quickly the performance parameter, the access time that means how quickly the client access desired data items. In this paper, we derive the mathematical model for the access time in the wireless data broadcast system adopting two-tier indexing scheme. The derived model enables to evaluate the access time without the complicated simulation. In order to evaluate the model, we compare the access time by the model with the access time by the simulation.

• Journal of the Korean Society of Food Culture
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• v.34 no.4
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• pp.432-439
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• 2019

The purpose of this study is to measure the effect of customers' waiting time on their revisit intention through their emotion. Also this study assessed the effect of restaurant selection attributes on consumers' revisit intention in Korea. This study used experimental scenario questionnaires for collecting data. Frequency analysis, Cronbach's alpha, correlation, t-tests and multiple regression analysis were assessed using SPSS. Customers preferred taste, sanitation and service when selecting a restaurant to dine out. The results of this study found that there were no significant differences between positive and negative emotions due to waiting time. Findings of this study suggested that waiting time, convenience, nutritional value, and emotion influenced consumers' revisit intention. Therefore, reducing waiting time and providing proper service will help consumers have positive emotions to return to dine at a restaurant.

• International Journal of Advanced Culture Technology
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• v.9 no.4
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• pp.254-259
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• 2021

Time management skills are essential for Occupation Therapy students' success, and development of clinical competence. The purpose of this study was to determine the relationship between time management skills and anxiety and academic motivation of nursing students. This study was carried out on 95 Occupation Therapy students. Data were collected using demographic Questionnaire, Time Management Questionnaire (TMQ), Spielberger State-Trait Anxiety Inventory (STAI) and Academic Motivation Scale (AMS), which was completed t by self-report. Data were analyzed using SPSS 20 software with descriptive and analytical statistics such as ANOVA, independent t-test, Regression and Pearson Correlation Coefficient. The results also showed a statistically significant negative correlation between the students' TMQ scores and the state anxiety (r= -0.282, p< 0.005) and trait anxiety scores (r= -0.325, p<0.005). Moreover, there was a statistically significant positive correlation between the students' TMQ scores and AMS scores (r= 0.279, p< 0.005). Regarding the findings, it seems that it is necessary to plan for improving time management skills in order to enhance academic motivation and reduce anxiety rates among Occupation Therapy students.

• Korean Journal of Animal Reproduction
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• v.20 no.4
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• pp.473-477
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• 1997

This research was performed to investigate the developmental ability of mouse oocytes following cold-culture(4$^{\circ}C$) in vitro. When the oocytes were fertilized after 10 hour cold-culture in D-PBS or Ham's F10 with 0.3% BSA, the cleavage rage of the oocytes was not different in the rate of oocytes fertilized in vitro without cold-culture(126/189, 66.2% vs 88/133, 66.7%) and also the rate of embryos developed to blastocyst did not(123/189, 65.1% vs 82/133). But, when the time of the cold-cultre was extended from 10 to 24 hours, the rate of embryos developed to blastocyst was slightly decreased(73.5% vs 52.2%). However, when the oocytes were cultured for 10 and 24hours at 37$^{\circ}C$, the rate of oocytes developed to blastocyst was significantly decreased than that of oocytes following cold-culture. By the results of this study, it'll be possible to utilize effectively the cold-culture of the oocytes when in vitro fertilization is delayed.

• Journal of the Korean Society of Food Culture
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• v.18 no.3
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• pp.279-291
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• 2003

Korea, China and Japan are countries located in Northeast Asia territory sharing similar natural environment. Countries are also using rice as a main diet material accompanied with vegetables, marine products and bean or fermented bean food. Yet, at the same time each country's food culture appeared as to be unique in food space due to their diverse food materials from different natural, cultural and religious background. This research is probing a way to recover subjective food culture and accomplish food environment which appropriates to modern globalized era by developing simple and economical repast tools meeting public's needs and distributing unique repast tools becomes Korean food culture and can be used in the life pattern of modernized nuclear families.

• Nutrition Research and Practice
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• v.4 no.5
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• pp.405-413
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• 2010

With the increase in multi-cultural families, Korea is seeing a rapid increase in immigrated housewives, who are closely related to food culture. However, studies for the diet of multi-cultural families, which is most closely related to our lives have not been sufficiently researched. With this background, this study conducted research for immigrated women nationwide about food cultures to provide the possibility which Korean food culture would be developed harmoniously with various foreign food cultures. In this study, the immigrated women seemed to have adapted to Korean food culture quickly, but they showed differences according to some conditions like countries they are from and the time they have been in Korea. To achieve this, we need to conduct consistent and in depth studies for food cultures in multi-cultural families so that we can make healthy development in food culture, harmonious with traditional Korean culture.

• Biotechnology and Bioprocess Engineering:BBE
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• v.6 no.2
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• pp.156-156
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• 2001

The objective of this study was to investigate the effects of nutrients and culture conditions on morphology during the seed culture of C. acremonium ATCC 20339 Morphological factors such as hyphal length number of tips number of arthrospores were observed to investigate the relationship between seed morphology and CPC production. During the time course of seed culture, hyphal length was shortened and the number of arthrospores increased rapidly On the other hand the number of tips deceased rapidly and this was closely related to the hyphal length Mixed nitrogen sources of 3% solybean meal and 1% cotton seed flour were determined as the proper organic nitrogen sources, in terms of the morphological factors in the seed culture. This fact was proven in batch culture for the production of Cephalosporin C. It was also found that a proper agitation speed enhanced the morphological differentiation of C. acremonium ATCC 20339, thus improving the production of Cephalosporin C.

• International Journal of Advanced Culture Technology
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• v.9 no.3
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• pp.160-166
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• 2021

Due to rapid environmental-change pharmaceutical industry, sales strategy for sales survival of pharmaceutical company is necessary. In accordance with the rapid development of medicine and advancement of efforts to secure the market, competition among pharmaceutical companies make an effort to achieve their goals. However, due to various negative influence of inside and outside, this field is getting a difficult occupation. Even when securing and training new employees with quite a bit of expense and time, the rate of surviving employees over 1 year is decreasing. For this, the researcher suggested major research result through actual investigation by utilizing survey technique, and a plan to enhance pharmaceutical company salespersons' core competence and raise sales achievement. As the research result, company culture strongly influences salespersons' sales ability. We defined the formation of organizational culture, which influences communication culture where smooth communication is made in the company, also, definite and exact evaluation in promoting work, and trust formation between upper and lower organization, is important, which should be reflected in the company field.