• The Journal of Korean Institute of Communications and Information Sciences
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• v.38B no.2
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• pp.105-114
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• 2013

Expansion and growth of body information monitoring service based on WBAN technology speeds up technological evolution in bio-signal detection and measurement, real time monitoring of vital sign and telemedicine control. It is essential for taking action against such technological evolution that newest technology trend and standardization issue should be included in designing and materializing body-information monitoring system strategically to secure preceding technology and to preoccupy market. This paper investigates and analyzes technological trend & issues, and suggests task to take action technologically.

• Journal of The Korea Institute of Healthcare Architecture
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• v.5 no.8
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• pp.7-14
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• 1999

Current Korean healthcare facilities face on a difficult period as much as financial difficulty in Korean economy. Most of all the hospitals have difficulty in minus profit margin and hospital investments are also reducing rapidly. Probably, these seem to set in the period of re-organizing its structures and enhancing productivity from the rapidly growing period, which was to concentrate its resources and prefer large scaled structures. Analyzing the developing process and future trend in the U. S. health care facilities, already experienced in financial difficulty of current Korean health care facility in 70s thru. 80s, this paper is to present directions in future Korean health care policy and healthcare facility planning.

• Corrosion Science and Technology
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• v.10 no.3
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• pp.77-79
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• 2011

The research trend in the corrosion behaviour of stainless steel weldment has been reviewed. The welding technology plays an important role in the fabrication of structure such as chemical plant, power plant, because welding can influence various factors in the performance of plant and equipment. This has led to an increasing attention towards the corrosion behaviour of weldment which has been one of the major issues for both welding and corrosion research engineers. The aim of this paper is to give a short survey of the recent technical trends of welding and corrosion including the electrochemical corrosion, stress corrosion cracking, and corrosion fatigue in connection with the welding materials, welding process, and welding fabrication. This study covers the corrosion behaviour of stainless steel weldment collected from the COMPENDEX DB analysis of published papers, research subject and research institutes.

• 한국디지털정책학회:학술대회논문집
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• 2005.06a
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• pp.287-308
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• 2005

The purpose of this paper is to review the trend and roadmap of standardization for e-Trade. As a survival strategy in this rapidly changing global competition environment, domestic and global e-Trade network should be harmonized and interconnected, which requires multilateral or regional cooperation to set relevant inter-operable infrastructure. For this, standardization for e-Trade message and communication is critical success factor. Korea has been an early adopter of international e-Trade standards like UN/EDIFACT and ebXML. Based on the overall knowledge and experiences of e-Trade projects, Korea can take initiatives in the creation of global e-Trade through the harmonization and interconnection of other countries.

• Journal of Korean Medical classics
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• v.29 no.4
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• pp.53-59
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• 2016

Objectives : To find the causes, the development factors and trend of phlegm-damp constitution in previous dynasties, Chinese medicine books were reviewed, to provide literature basis. Methods : The paper looks into the references to phlegm-damp constitution in Traditional Chinese medicine classics literatures, to analyze the its causes, the development factors, and the recuperation methods. Results : Phlegm-damp constitution is one of common type of human constitution. The development trend of phlegm-damp constitution is Xiaodan(消瘅), similar to the dispersion-thirst disease, stroke, chest discomfort, asthma, infertility to name a few. Conclusions : The phlegm-damp constitution is related to the natural endowment and the acquired life style and behavior factor. General recuperation is a basic and effective approach for preventing and treating the constitution.

• KDI Journal of Economic Policy
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• v.39 no.2
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• pp.75-98
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• 2017

This paper aims to estimate the social discount rate (SDR) rather than dig into its theoretical foundation. As SDRs can be derived by investigating both the rate of return on investment and the social time preference rate, we estimate the marginal productivity of both private and public capital and the time preference rate based on the Euler equation. In order to provide a single representative SDR, the weighted averages of the marginal productivity and time preference rate, whose weights are determined by the flow of funds data reflecting the social demand of funds, are presented. Based on the empirical results, we argue that the marginal productivity of private capital stands in the middle of the 3% range while that of public capital varies from 4.5% to 8.6%, with the time preference rate showing a decreasing trend from 3.2% in the early 2000s to 1.2% by around 2030. The single representative SDR or the weighted SDR is estimated to be approximately 3.0~4.5% and expected to continue its downward trend for the foreseeable future.

• Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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• 2007.11a
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• pp.189-193
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• 2007

The grounding of an electrical system is one of the essential elements for public safety. Domestic practice of grounding system design has been to get grounding resistance values which are classified by facilities or equipment in the regulations. But the concept of grounding system design of IEC is, as a main factor of safety index, to consider touch voltage and step voltage instead of the resistance value itself. Recently IEC actively develops or revises safety related standards which are essential for the grounding system performance. In this paper, we present the recent trend of the international standards on the safety criteria for Electric Shock Protection.

• Journal of the Korean Society for Industrial and Applied Mathematics
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• v.10 no.2
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• pp.41-47
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• 2006

The Renewal process and the Non-homogeneous Poisson process (NHPP) process are probably the most popular models for describing the failure pattern of repairable systems. But both these models are based on too restrictive assumptions on the effect of the repair action. For these reasons, several authors have recently proposed point process models which incorporate both renewal type behavior and time trend. One of these models is the Modulated Power Law Process (MPLP). The Modulated Power Law Process is a suitable model for describing the failure pattern of repairable systems when both renewal-type behavior and time trend are present. In this paper we propose Bayes estimation of the next failure time after the system has experienced some failures, that is, Mean Time Between Failure for the MPLP model. Numerical examples illustrate the estimation procedure.

• Journal of Microbiology and Biotechnology
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• v.12 no.4
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• pp.535-543
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• 2002

Although the generic implementation of aqueous two-phase systems (ATPS) processes for the recovery of biological products has been exploited for several years, this has not resulted in a wide adoption of the technique. The main reasons involve the poor understanding of the mechanism governing phase formation and the behavior of solute partitioning in ATPS processes, the cost of phase forming polymers, and the necessary extended time to optimize the technique. In this review paper, some of the practical disadvantages attributed to ATPS are addressed. The practical approach exploited to design ATPS processes, the application to achieve process integration, the extended use for the recovery of high-value products, and the recent development of new low-cost ATPS, are discussed. It is proposed that the trend of the practical application of ATPS processes for the recovery of biological products will involve the purification of new high-value bioparticulate products with medical applications. Such a trend will give new impetus to the technique, and will draw attention from industries needing to develop new, and improve existing, commercial processes.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2005.06a
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• pp.240-245
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• 2005

In order to implement nano-level accuracy of precision equipments, a nano control system is one of the key components. The control system consists of a controller, actuators and sensors having nano-level resolution. In this paper, application area and technical trend on the nano control system are introduced. Some required techniques for realizing nano-level resolution of a controller or actuator are presented. Technical innovation of a control system by IT-fusion and its effect are also described. Finally, domestic research activities for development of the IT-based nano control system are introduced.