• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 1993.04a
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• pp.93-100
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• 1993

With increasing technology, requirement to car noise and related dynamics are getting competitive keypoint. Unfortunately, vibro - acoustic behavior of a car is nowadays only possible after development of prototypes. But, obviously, in the Area of Research, many of Industrials, Universities and research centers try to codevelop the design tools to predict the vibro-acoustic behaviors. At this stage, it is more realistic to represent the existing technologies in order for the engineer to get their own know-how to design and to Integrate existing techniques, to setup their test facility, and to develope some tools with which they can successfully predict noise levels of car in the design phase. Moreover, most of the theories which will be represented in this paper can be used in the design phase. At any way, finding the cause of trouble shooting is more urgent than the design of a car to the test engineer. In this paper, transfer path analysis, noise source identification, and the key test method of modal analysis is introduced. Later, if I get the opportunity to present in KSNVE, the approach method of modal analysis is introduced. Later, if I get the opportunity to present in KSNVE, the approach method of finding characteristics of joint and welding part will be introduced. Most parts of this paper was quoted from the papers of LMS.

• The Korean Journal of Emergency Medical Services
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• v.11 no.1
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• pp.41-52
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• 2007

In Korea, Crowds, as well as more complex and larger structures, have been caused more victims in the event of fire. In that situation, EMSS should have done triage the patients according to their severity in the field, treat with standard guidelines as like advanced burn life support and transfer to appropriate facility. But in many cases, they didn't practice like that. The purpose of this study is to give basic data for proper emergency medical services by analysing EMSS of large scaled fire in Korea and suggesting some improvement methods. The improvment methods are like this ; First, developing of protocols about burn patient is needed for EMT and dispatcher. Second, Legal approval for advanced treatment is needed for EMT. Third, Fire-helicoptors are needed in Daejeon and Jeju. And Emergency Medical Helicoptors are needed in EMSS. Forth, more advanced emergency medical centers of burn must be established. Sixth, more pocket-mask and burn sheet are needed for 119 rescuer. Finally, building owners must change inflammable materials as non-inflammable materials and educate fire-prevention and first-aid to employees.

• Journal of the Society of Naval Architects of Korea
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• v.36 no.2
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• pp.105-113
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• 1999

This paper resents a prediction method of natural frequencies of coupled horizontal and torsional vibration of hull girder based on design sensitivity analysis in case of the changes of system parameters. The sensitivity analysis is formulated applying the direct differentiation method and transfer matrix method. In the analysis, warping, shear deformation due to torsion and the continuity condition at the connected part of open and closed hull section are considered. Using the presented method. The affection for natural frequencies by the change of system parameters, especially cargo and added mass and their centers, is numerically investigated for a real large container carrier.

• Acta Via Serica
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• v.2 no.1
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• pp.109-120
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• 2017

The city of Basra, established on the shore of Basra Bay in the south of modern Iraq, played an important role in agriculture and trade for centuries, with its geography and its position where two great rivers of Mesopotamia flow. Before being established with its current name by the Muslim Arabs, the city was known as Teredon in the Chaldean period and VehiŞtebad ErdeŞir in the Sasanid period. It was reestablished with the name Basra in the early period of Islam by Arabs between Hijri 14-16 (635-637 CE). Afterward, the city became one of the most important centers of trade, science and thought; had a perfect cultural diversity; and hosted important schools of Arabic language and thought for centuries. Besides the commercial effects of its being a transfer point on the axis of Europe, Mesopotamia, Iran, and India, the schools of thought which emerged here were affected by this mobility. In this paper, we try to reveal the philosophical-religious approach which the Ikhwan al-Safa school of thought in Basra, one of the most important cities of the Silk Road, created in parallel with the characteristics of this city. Shiite Ismaili beliefs and thoughts in the region and its characteristics which feed different religions and traditions emerging from Egypt and with the scientific approach of Greek thought; with Indian-Iranian teachings that merge Greek thought and Neoplatonic philosophy, give us the summary of Silk Road civilizations.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.10a
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• pp.563-564
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• 2017

The core of the cloud computing technology is the data center in that the networking technology is important. Cloud data centers are comprised of tens or even hundreds of thousands of physical servers, so networking technology is required for high-speed data transfer. These networking technologies also require scalability, fault tolerance, and agility. For these requirements, many multi-path based schemes have been proposed. However, it was mainly used for load balancing of traffic and select a path randomly. In this paper, a scheme that can construct a multipath using software defined networking technology and transmit the traffic in parallel by using the multipath to achieve a fast transmission speed, solve the scalability problem and fault tolerance is proposed.

• Journal of Preventive Medicine and Public Health
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• v.52 no.1
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• pp.21-29
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• 2019

Objectives: The Regional Cardiocerebrovascular Center (RCCVC) Project designated local teaching hospitals as RCCVCs, in order to improve patient outcomes of acute cardiocerebrovascular emergencies by founding a regional system that can adequately transfer and manage patients within 3 hours. We investigated the effects of RCCVC establishment on treatment volume and 30-day mortality. Methods: We constructed a panel dataset by extracting all acute myocardial infarction cases that occurred from 2007 to 2016 from the Health Insurance Review and Assessment Service claims data, a national and representative source. We then used a panel fixed-effect model to estimate the impacts of RCCVC establishment on patient outcomes. Results: We found that the number of cases of acute myocardial infarction that were treated increased chronologically, but when the time effect and other related covariates were controlled for, RCCVCs only significantly increased the number of treatment cases of female in large catchment areas. There was no statistically significant impact on 30-day mortality. Conclusions: The establishment of RCCVCs increased the number of treatment cases of female, without increasing the mortality rate. Therefore, the RCCVCs might have prevented potential untreated deaths by increasing the preparedness and capacity of hospitals to treat acute myocardial infarction patients.

• Iberoamérica
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• v.23 no.2
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• pp.209-241
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• 2021

Over the last few years, rural areas in northeastern Mexico have present significant changes in social, economic, and territorial aspects linked to the New Rurality. In this context, winemaking has become one of the most dynamic and growing activities in the regional economy. This emerging development has prompted different forms of appropriation and use of this space, but it also highlights the lack of access to knowledge for wine production due to the lack of formal educational centers. As a result, learning communities enable the development of skills and competencies through non-formal educational practices. The objective of this paper is to analyze the role of learning communities in non-formal educational environments, taking as a case study: a collective of small-scale wine producers in Parras de la Fuente, Coahuila. This research focuses on two perspectives of learning: appropriation and technology transfer, and promotion of Mexican wine culture. The main finding was to demonstrate the importance of including educational processes that respond to the context and needs of the community.

• Journal of Korean Society of Archives and Records Management
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• v.20 no.3
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• pp.139-160
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• 2020

Semicurrent records are documents that are stored and managed in a separate section because they are infrequently referred to in work. The semicurrent records management stage is when records from the processing department are collected for the first time, serving as a bridge between the current and noncurrent records. For systematic records management, records management at the semicurrent stage is vital. Although Korea has established numerous records centers, various problems remain in the records management environment. In response, this study examines the United States' semicurrent records management system and discusses the features that are different from that of Korea. For this purpose, the records management system of the United States was selected as the scope of research and is analyzed through its records schedule, transfer, and appraisal. The data for the research were obtained through the relevant records management law, guidelines compiled by related agencies, and written inquiries for the records management officer. Through these methods, this study was able to identify the relationship between the federal agency and the Federal Records Center, the introduction of new technology in the aspect of transfers, the privatization of records preservation, and the status of the Federal Records Center as a passive appraisal entity.

• Journal of Internet of Things and Convergence
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• v.9 no.1
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• pp.71-76
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• 2023

Recently, in order to store and manage big data, research and development of a high-performance storage system capable of stably accessing large data have been actively conducted. In particular, storage systems in data centers and enterprise environments use large amounts of SSD (solid state disk) to manage large amounts of data. In general, SSD uses FTL(flash transfer layer) to hide the characteristics of NAND flash memory, which is a medium, and to efficiently manage data. However, FTL's algorithm has a limitation in using DRAM more to manage the location information of NAND where data is stored as the capacity of SSD increases. Therefore, this paper introduces FTL policies that apply virtual memory to reduce DRAM resources used in FTL. The virtual memory-based FTL policy proposed in this paper manages the map data by using LRU (least recently used) policy to load the mapping information of the recently used data into the DRAM space and store the previously used information in NAND. Finally, through experiments, performance and resource usage consumed during data write processing of virtual memory-based FTL and general FTL are measured and analyzed.

• Journal of Convergence for Information Technology
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• v.7 no.6
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• pp.193-199
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• 2017

The research is aimed at finding out the relationship between vocational stress and willingness to engage in vocational stress, which measures vocational stress and the ability to cope with the job, and how the job stress relates to job mobility. First of all, the job stress and willingness to transfer jobs related to sexual harassment related agencies have a positive correlation, while self-exploitation, job stress, and willingness to move jobs have shown negative correlation. Second, the self-assessment of self-assessment of ego resilience has served as a complete parameter in relation to the relationship between employee motivation and willingness to leave the job, which is the job of occupational duties. Based on this study, it is important to note that self-reference is an important factor in determining the role of job stress in the workforce because of its self-reference of job stress and motivation in relation to job stress.