We carried out this experiment on the purpose to investigate the quality properties of aseptic-packaged cooked rice by cultivars in 2006. Brown rice was milled for white rice to 89.6% weight of it. Based on cluster analysis of acceptance of sensory evaluation, eleven rice cultivars of 29 cultivars had superior palatability. Whiteness(r=0.42, p<5%), lightness(r=0.39, p<5%), Toyo value(r=0.35, p<10%), and moisture content(r=0.33, p<10%) of milled rice were correlated positively with acceptability. Protein content(r=-0.40, p<5%), expansion rate(r=-0.68, p<1%) and water absorption rate(r=-0.42, p<5%) of milled rice, and yellowness(r=-0.45, p<5%) of aseptic-packaged cooked rice were negatively correlated. In sensory evaluation, correlation coefficients of taste and texture with acceptability were higher than those of appearance and flavor. During storage, hardness and cohesiveness of aseptic-packaged cooked rice before reheating were increased and decreased, but those after reheating had no difference based on storage period and cultivar. On the contrary, whiteness of reheated aseptic-packaged cooked rice with no distinct differences before reheating was decreased during storage. There were no significant differences of texture property, color characteristics and moisture contents by cultivar during storage.
The schools in the survey consisted of 61 schools where foodservice was managed by themselves and 49 schools where it was done cooperatively. According to the style managed, the urban style was 42 schools, the rural style was 46, and the island style was 22. With regard to the amount for each student that parents have to pay. it was 745 won at schools managed by themselves and 616 won at schools managed cooperatively. The budgeted amount was 75 won at schools managed by themselves and 97 won at schools managed cooperatively. The result showed that parents at schools managed for themselves paid much more for the cost of food and management. The mean area of kitchens was 31 pyong (102 sq. meters) in environment of cooking utilities, and management was done wherever they were needed. The budgeted amount was supplied from the Educational Office and parents. In the situation of utilities and instruments for cooking, the places to wash hands and flush toilets, which were regarded as sanitary facilities were insufficient. The rates of containing measuring instruments and thermometers for cooking were also insufficient. The list to be considered in the management of menu was concentrated on raising acceptance of students served, based on the order of the tastes of students served, the quantity of the cost, nutrition needed, and then facilities. The replies that leftover food was thrown away after meals were numerous and the rate of leftover food was reflected on the menu. In purchase and management, the rate of food needed to be purchased was calculated through experience. A private contract was chosen to purchase food. The frequency of purchasing food was usually once a day, which would nutritists examined food, concentrating on the order of quality, number, and price. In the management of operation, a schedule for making food was seldom formed, referring to it only at the time needed. All the food was made in a day but some special foods were made the day before they would be required. It shows the situation was thought to be the most important. Guidance for sanitation was carried out once a month and the content of the guidance was about the sanitary treatment of food. With regard to degree of satisfaction with the management of meal service, all the dietitian at schools managed for themselves and cooperatively were somewhat satisfied with all the questions about the budgeted amount of food, and management, the management of purchase, operation, and sanitation. However, they were not satisfied with the environment of facilities.
Kim, Yoon Hwan;Kim, Tae Yeun;Lee, Dae Young;Bae, Sang Hyun
Smart Media Journal
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v.9
no.2
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pp.16-21
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2020
Recently, mobile traffic is increasing exponentially as major traffic is transferred to IoT and visual media data in the dissemination of mobile communication terminals and contents use. In order to overcome the limitations of the existing LTE system, 5G mobile communication technology (5G) is a technology that meets 1000 times data traffic capacity, 4G LTE system acceptance, low latency, high energy efficiency, and high cost compared to 4G LTE system. The path loss due to the use of the frequency domain is very high, so it may be difficult to provide a service compared to the existing 4G LTE system. To overcome these shortcomings, various techniques are under study. In this paper, small cell technology is introduced to improve the system performance of 5G mobile communication systems. The performance is analyzed by comparing the results of small cell technology application, macro communication and small cell communication, and the results of the proposed algorithm application for power control. The analysis results show that the use of small cell technology in the 5th generation mobile communication system can significantly reduce the shadow area and reduce the millimeter wave path loss problem.
This study is to understand, in the view of resilience, the experience of military widows, whose husbands died while on active military duty and have lived as single mothers for a long time. This study using a qualitative research method based on Phenomenology, especially using Colaizzi's process of data analysis. 99 meaningful sentences, 26 themes, and 10 theme clusters has been categorized from the interview of 9 military widows, who has been participated a self-help group for them. The 10 theme clusters are 'denial and grief over the death of spouse', 'ambivalence over the duty of their husbands', 'acceptance of the helpless fate and arduous fight to live', 'sorrow in the social and historical context', 'responsibility and endeavoring of parenting', 'self-existential challenge', 'immanent belief system as a military widow'. 'effort to find self-identity in the outer systems', 'wish to reassure their existence', and 'to find the meaning of life after husband's dead'. These their self respect and feeling of honor have become their belief system in their life, which they have raised their children and take their responsibilities with their best effort. The self-help group has helped them to find their self-identity and has sustained emotionally healthy. This group has been also empowering them through their voices being heard to the outside society. They have made an effort which their existence is recognized by the country and the military system. The findings of this study can be used as a system to gather opinions and to provide information and program which may be accepted politically and then applicable and integrated social work service through the social support system and networking.
The improvement in logistics competitiveness is the key element of corporate competitiveness in the era of severe competition among companies and high oil prices due to globalization. For this reason, this study analyzed the effect of transportation mode selection factors of Indonesian export companies on the logistic performance in accordance with the logistics environment. The results of the analysis show that only the cargo characteristics, which are the transportation mode selection factor of export companies, had a significant effect on logistics; the services, time, and expenses, on the other hand, had no effect on logistics performances. This result reflects the poor logistic infrastructure of Indonesia. While the export company considers service, time, and expenses when choosing transportation mode, it had no effect on logistic performances due to poor logistic infrastructure. The poor logistic infrastructure of Indonesia has caused a rise in the overall logistic expenses of companies due to excessive transportation time over the transportation distance, unavailability of on-time acceptance and delivery, and increase in the transportation expenses and subsidiary expenses. These are also the factors that decrease the competitiveness of export companies and affect the promotion of the manufacturing industry and foreign investment for the purpose of job creation and industrialization by the Indonesian government. Therefore, the logistics infrastructure must be improved initially. This study determines various points in terms of the logistics infrastructure environment of Indonesia, a developing country, using previous studies and provides their implications.
The Transactions of the Korea Information Processing Society
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v.4
no.7
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pp.1804-1820
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1997
In this paper, an efficient call control procedure is presented for next generation wireless ATM networks and its performance is mathematically analyzed using the open queueing network. This procedure is based on a new scheme called as the cell clustering. When we use the cell clustering scheme, at the time that a mobile connection is admitted to the network, a virtual cell is constructed by choosing a group of neighboring base stations to which the call may probabilistically hand over and by assigning to the call a collection of virtual paths between the base stations. Within a microcell/picocell environment, it is seen that the cell clustering can support effectively a very high rate of handovers, provides very high system capacity, and guarantees a high degree of frequency reuse over the same geographical region without requiring the intervention of the network call control processor each time a handover occurs. But since mobiles, once admitted, are free to roam within the virtual cell, overload condition occurs in which the number of calls to be handled by one base station to exceed that cell site's capacity of radio channel. When an overload condition happens, the quality of service is abruptly degraded. We refer to this as the overload state and in order to quantify the degree of degradation we define two metrics, the probability of overload and the normalized average time spent in the overload state. By using the open network queueing model, we derive closed form expressions for the maximum number of calls that can be admitted into the virtual cell such that the two defined metrics are used as the acceptance criteria for call admission control.
One of the famous Korean verses, Sijo 'In hemp clothes in winter(삼동에 베옷 입고)' is in thirty kinds of anthologies and ten kinds of Chinese writings. The major point in literary transmission of this work was the writer. The writer of this verse is Cho Sik(조식) in most anthologies. The writer of this work is recorded as Kil Jae(길재), Kim In-hoo(김인후), Kim Eung-jung(김응정), Lee Mong-gyu(이몽규) or Kim Ryung(김령) in Chinese writings. These people were famous for their studies and virtue, but they did not take office and retired from the world until they die. They were faithful to their principles serving their kings, though the country had wanted them to take a position in the government. Even though they did not in government service, they left some anecdotes and stories of lamentation after hearing their king's death. Because these stories and anecdotes can be easily connected with 'In hemp clothes in winter' which is about mourning over death of a king, they were known as the writer of this poem. Especially, their offsprings, juniors and followers often wrote these people as the writer of this work to represent their honor. Throughout the studies of several literary documents, this poem is written by Kim Eung-Jung, who lived in Kangjin(강진) in Jeonla province(전라도) and did not take office in all his life. He made this poem when he had heard the King Myoungjong(명종)'s death. Various transmission of literary documents with the records about 'In hemp clothes in winter' have a significance that can show the aspects of noble men's acceptance and transmission of Sijo.
Moon, In Sang;Moon, Il Yoon;Jeong, Eun Hwan;Park, Soon Young
Journal of Aerospace System Engineering
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v.11
no.4
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pp.48-53
/
2017
Liquid rocket engines (LREs) are very complex systems that include combustion chambers, turbopumps, gas generators, ducts and tubes, valves and etc. Most components of the LREs require higher than or equal to level 6 IT (ISO Tolerance). The components along with pipe line and/or tubing must dispose not to interfere each other. In addition, effectiveness of maintenance and service after assembling should be considered when the allocation of the components are determined. Especially at the stage of the development, tolerance accumulations or unpredictable errors may result in misalignment and/or mismatches at interfaces of the parts. Namely, it is the engine assembling process that many inherent risks are realized and crises or incidents occur. Therefore, a rapid reaction system should be prepared. In this research, 7 tonf class liquid rocket assembling process was studied and actual building steps were introduced.
The Journal of Korean Institute of Next Generation Computing
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v.15
no.3
/
pp.7-15
/
2019
Cloud computing markets are rapidly growing as cost savings and business innovation are being carried out through ICT worldwide. In line with this paradigm, the nation is striving to introduce cloud computing in various areas, including the public sector and defense sector, through various research. In the defense sector, DIDC was established in 2015 by integrating military, naval, air and military computing centers, and it provides cloud services in the form of IaaS to some systems in the center. In DIDC and various future cloud defense systems, It is an important issue to ensure availability in cloud defense systems in the defense sector because system failures such as network delays and system resource failures are directly linked to the results of battlefields. However, ensuring the highest levels of availability for all systems in the defense cloud can be inefficient, and the efficiency that can be gained from deploying a cloud system can be reduced. In this paper, we classify and define the level of availability of defense cloud systems step by step, and propose the strategy of introducing Erasure coding and failure acceptance systems, and disaster recovery system technology according to each level of availability acquisition.
AI voice speaker has played an important role in forming an early market and development for AI-based goods and service with growing attention from many people. In this context, this research examined factors affecting continuous intention of AI voice speaker based on the integrated adoption model, which combined two factors of perceived playfulness and innovation resistance with extended technology acceptance model. It was also examined whether three perceived anthropomorphic features(i.e., perceived rational support, perceived intimacy, perceived cognitive openness) have influences on continuous intention of AI voice speaker. The data was collected by an online-survey and were responses of those who are in their 20s and 30s and have experienced in using AI voice speaker. They were analyzed by using SEM(Structural Equation Modeling). The results showed that all of perceived ease of use, perceived usefulness, perceived playfulness and innovation resistance had significant influences on continuous intention of AI voice speaker. In addition, all of perceived rational support, perceived intimacy and perceived cognitive openness as perceived anthropomorphic features had significant influences on perceived ease of use, perceived usefulness and perceived playfulness. The implications of found results in this research was also discussed.
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