• Journal of the Korean Society for Railway
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• v.11 no.2
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• pp.126-138
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• 2008

This paper proposes the preservation method that can effectively process short messages at mobilePOST SMSC(Short Message Service Center) platform on CDMA(Code Division Multiple Access). There are three techniques for the preservation method. First one is shared memory technique where several processes within the system share same memory to process transmission of short messages with maximum performance. Second one is to back-up messages in shared memory to the file system to prevent lost during system initialization or other unstable period. Third technique is that when transmission of short message was completed, finished message is moved from the shared memory to relational database for accounting purposes.

• JSTS:Journal of Semiconductor Technology and Science
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• v.10 no.4
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• pp.316-324
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• 2010

In this paper, we design a 256 kbits EEPROM for a MCU (Microcontroller unit) with the wide voltage range of 1.8 V to 5.5 V. The memory space of the EEPROM is separated into a program and data region. An option memory region is added for storing user IDs, serial numbers and so forth. By making HPWs (High-voltage P-wells) of EEPROM cell arrays with the same bias voltages in accordance with the operation modes shared in a double word unit, we can reduce the HPW-to-HPW space by a half and hence the area of the EEPROM cell arrays by 9.1 percent. Also, we propose a page buffer circuit reducing a test time, and a write-verify-read mode securing a reliability of the EEPROM. Furthermore, we propose a DC-DC converter that can be applied to a MCU with the wide voltage range. Finally, we come up with a method of obtaining the oscillation period of a charge pump. The layout size of the designed 256 kbits EEPROM IP with MagnaChip's 0.18 ${\mu}m$ EEPROM process is $1581.55{\mu}m{\times}792.00{\mu}m$.

• Research in Community and Public Health Nursing
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• v.25 no.4
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• pp.259-269
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• 2014

Purpose: The purpose of this study was to examine dry eye syndrome and ocular fatigue according to the status of contact lens wearing and management among female university students. Methods: The subjects were 195 female university students wearing contact lenses. Ocular Surface Disease Index (OSDI) and Virtual Reality Symptom Questionnaire (VRSQ) were used to determine the level of dry eye syndrome and ocular fatigue. The SPSS/WIN 21.0 program was used for analysis of data. Results: Significant differences in the level of dry eye syndrome were observed according to the period of case solution change (F=3.36, p=.037) and the reasons for the change of lens (F=4.56, p=.004). In ocular fatigue, significant differences were observed according to the price of lens (F=3.53, p=.031), rinse in storing lens in a case (t=-2.57, p=.011), and learning about contact lens (t=-2.01, p=.046). A significant positive correlation was observed between dry eye syndrome and ocular fatigue in the subjects. Conclusion: The results of this study show that some subjects have problems in wearing and management of contact lenses. Therefore, an education program related to contact lenses should be provided to contact lens wearers to improve the status of wearing and management of contact lenses.

• The Journal of Korean Medicine
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• v.22 no.1
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• pp.3-9
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• 2001

In the view of oriental medicine, the liver is the general of the army in its function of protecting against the enemy. So this concept is very closely associated to the immunological function. Its relations with immunological function are as follows. 1. The liver produces most of the proteins and converts them with hepatocytes, composes 80% in total reticuloendothelial system with Kuffer cells & endothelial cells and has typical structure of sinusoidal vessels closely related with the blood system. 2. The liver plays an important role in innate immunity with Kuffer cells as well as with the molecules that the liver produces, related to complementary systems. 3. In the embryonic period, the liver is associated with immune associated cell growth and their maturation. After birth, it is associated with removing old red blood cells and with systematically modulating immune system through hormone metabolism. 4. The liver controls the autoimmune disease resulting from immune complex by removing molecules like immune complex. 5. In the processing of blood 19A from the digestive system, the liver has an important role in protecting the body from unnecessary immune responses. 6. In the oriental medical view, liver plays a major role in the immune function by storing blood and dispersing stagnated hepatoqi with the help of the kidneys and spleen.

• Journal of Korean Library and Information Science Society
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• v.7
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• pp.85-114
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• 1980

The school library in Korea, with its short history, has not been fully awared of its importance yet. As a result, most of school libraries in Korea have not been fundtioning as the center of educational activity which is closely connected with learning process and as the place of the extension of classroom, but as the place of storing books. Besides the importance of materials and facilities, the educational function of school libraries can be fully achieved only when each school librarian clearly understands his work and duties, and accomplishes them successfully. This study, which are based on analysis of literature investigations and precedent studies, are summarized as follow: 1. There is an absolute lack of the number of school librarians (or alternative teachers) in comparison to the number which is specified in the regulations of Library Law. 2. There is no a n.0, ppropriate legal foundation for employment of school librarians and library assistants, and of their o n.0, pportunities for promotion. 3. The school library in korea has been stayed so far on its infantile, namely 'the period of material arrangement', in the aspect of the function. 4. The administrative organization of the school library has not gained much recognition of its professional character. And even more the position of the school library today is not enough clear to be stable in the total school system. By solving these factors step, the newly reformed school library in Korea will play a great role in improving her education by the hand of school librarians whose spirits are re-filled with willingness and creativity.

• The Korean Journal of Community Living Science
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• v.15 no.2
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• pp.179-187
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• 2004

The purpose of this study is to investigate the preservation of traditional sesame dasik when stored in different packaging material by comparing its physical and sensorial characteristics. The quality and sensory characteristics of sesame dasik that were evaluated were moisture content, water activity, number of microflora, texture profile, Hunter color different value, and sensory properties (color, chewiness, overall acceptability, etc) during the storage at 35\pm1^\circ{C}$ temperature and $73\pm{2%}$ relative humidity. And the packaging materials were paper boxes (coated 0.02mm thickness polyethylene film), plastic boxes, and oriented polypropylene laminated film. Traditional sesame dasik is made from sesame powder 100g, honey 25g, rice syrup 25g, and table salt 0.5g. During the storage period, the changes in water content and water activity of sesame dasik with different packaging material showed a slight decline. On the other hand, it increased in hardness, and "a" and "b" value of Hunter color difference during the storage. Texture profile analysis data change in hardness was the greatest after the third day in a paper box, and it was affected by the moisture content of dasik and the temperature and relative humidity of the air. Therefore plastic boxes or oriented polypropylene laminated film was found to be better suited than paper boxes for storing sesame dasik.

• Journal of Sport and Applied Science
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• v.3 no.1
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• pp.1-14
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• 2019

Numerous types of sporting events have been hosted in Korea during the last decades. Sport events produce various types of data, and there is a clear necessity of storing and utilizing this information. From this background, the purpose of this study is to draw complex sports categories from international sport events life cycles in order to categorize standards of knowledges management system. This study utilized qualitative methods: expert groups discussion for overall life cycle steps and in-depth interviews for detail life cycle steps. The results show that there are several life cycle steps: bidding, preparation, operation, evaluation, post management steps. To be more specific, for the bidding step, there are check, plan, implementing detail phase; and the preparation step is based on event preparation Basis Build, event preparation implementation, test and supplementation phases. For the operation step, event operation system switch, event operation during the period, finish operation phases are deducted. Evaluation and post management step do not have detail phases. Efforts to store and utilize knowledge can be one of the starting points to make the operation of sport events efficiently.

• Korean journal of food and cookery science
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• v.11 no.3
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• pp.287-294
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• 1995

This study was carried out to determine optimal conditions in storing Andong sikhe. We made Andong sikhe according to the traditional recipe, and fermentation it has been stored either with (group B) or without (group A) "Saengkiwon Songi" for 40 days at 7${\pm}$2$^{\circ}C$. The changes of pHs, sweetness, the number of total bacteria and lactic acid producing bacteria, the quantities of organic acids and free sugars produced had been measured regularly since the 3rd day after fermentation. The results are as follows: The pH of both groups were 5.63 immediately after fermentation, and then gradually decreased to 4.02∼4.05. The sweetness was higher in group A (4.0) until the 15th day of storage, and then the same (17.5) in both groups. The sample from the 6th day in group A, and the samples from the 3rd and the 9th day in group B obtained the highest scores in their sensory evaluation. The numbers of total bacteria and lactic acid producing bacteria showed maxium on the 3rd day in both groups. 8 kinds of organic acids were detected, lactic acid being the most of all. 3 kinds of free sugars - fructose, glucose and maltose - were detected ; glucose and maltose have gradually increased throughout the storage period but fructose was not been detected after the 6th day in both groups.

• 한국생물공학회:학술대회논문집
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• 2002.04a
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• pp.369-370
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• 2002

A fungus. Penicillium sp. PS-113, with high phosphate-solubilizing activities was isolated from soil and formulated to powder type in order to manufacture it as a solid powder fertilizer. First of all, in this research, we are trying to establish an optimal condition for a drying process based on the drying time, temperature and humidity by testing its viability on potato dextrose agar(PDA) media after storing at $4^{\circ}C$. As a result the number of Penicillium sp. PS-1l3 conidia, which was dried at $80^{\circ}C$ and 15% humidity, and then stored at $4^{\circ}C$, was maximally increased to 60 times more than the control. But the viability of the conidia at $100^{\circ}C$ or over was decreased suddenly in spite of the period of storage.

• Nuclear Engineering and Technology
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• v.50 no.6
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• pp.815-819
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• 2018

In this study, criticality safety assessments of the potential for storing transuranic element (TRU) ingots via a pyroprocess were evaluated to determine the appropriate TRU storage design parameters, in this case the ratio of the TRU ingot height to the radius and the number of TRU ingot canisters stacked within a container. Various accident situations were modeled over a modeling period of 5 years for a cumulative inventory of TRU ingots with various water densities in submerged containers and with various pitches between the containers in the facility. Under these combinations, we calculated the threshold of TRU height and radius ratio depending on the number of canisters in a container to keep the stored TRU in a subcritical state. The ratio of the TRU ingot height to radius should not exceed 4.5, 1.1, 0.5, 0.3, and 0.2 for two, three, four, five, and six levels of stacked canisters in a container, respectively.