• Journal of Korean Society for Quality Management
• /
• v.23 no.4
• /
• pp.180-189
• /
• 1995

Today, as globalization continues and international trading blocks are formed, world markets are intensely competitive and abound in product variety, volume, complexity and environmental management. Specifically, green consumer's needs and expectations are changing and diversifying, resulting in a changed global environment for industry. Due to these changes, domestic companies are striving to achieve the Environmental Management System (ISO 14000) certification. This is considered a basis step in meeting the guiding principle and practice of ISO/TC 207/SC 3 resolution. In this paper, we will present three type(I, II, III) of Environmental Labelling programs to build a model for environmental management system by analysing practitioner and stakeholder. After companies establish an ISO 9000 quality system these companies should focus on improve toward their own Environmental Labelling program and continue to build ISO 14000.

• Proceedings of the Optical Society of Korea Conference
• /
• 2000.02a
• /
• pp.130-131
• /
• 2000

One of the more promising proposals for guiding and focusing neutral atoms involves dark hollow laser beams. When the frequency of the laser is detuned to the blue of resonance, the dipole force the atoms feel in the light confines them to the dark core where the atoms can be transported with minimal interaction with the light. The ability of the all-light atom guides to transport large number of ultracold atoms for long distances without physical walls leads to the possibility of a versatile tool for atom lithography, atom interferometry, atomic spectroscopy as well as for transporting and manipulating Bose-Einstein condensates. Furthermore since the atoms transported in all-light atom guides do not come into contact with matter, they can in principle be used to transport antimatter as well. The ability to vary the core size of the hollow beam makes the all-light atom guide potentially useful for focusing neutral atoms. The atoms could be focused as tight as the core size of the hollow beam at its waist. This new focusing scheme, called the atom funnel, would not show spherical and chromatic aberrations that conventional harmonic focusing suffers from. (omitted)

• Language and Information
• /
• v.16 no.2
• /
• pp.17-42
• /
• 2012

The issues of compositionality, materialized ever since Frege (1982), are critically re-examined in language first mainly and then in all other possible representational systems such as thoughts, concept combination, computing, gesture, music, and animal cognition. The notion is regarded as necessary and suggested as neurologically correlated in humans, even if a weakened version is applicable because of non-articulated constituents and contextuality. Compositionality is crucially involved in all linguistically or non-linguistically meaningful expressions, dealing with at-issue content, default content, and even not-at-issue meanings such as implicatures and presuppositions in discourse. It is a constantly guiding principle to show the relation between representation and mind, still posing tantalizing research issues.

• Journal of Biomedical Engineering Research
• /
• v.13 no.3
• /
• pp.235-244
• /
• 1992

In this paper, fluttering behavior of mechanical monoleaflet tilting disc heart valve prostheses during the opening phase was analyzed taking into consideration the impact between the occluder and the guiding strut at the fully open position. The motion of the valve occluder was modeled as a rotating system, and equations were derived by employing the moment equilibrium principle. Forces due to lift, drag, gravity and buoyancy were considered as external forces acting on the occluder. The 4th order Runge-Kutta method was used to solve the governing equations. The results iimonstrated that the occludes reaches steady equilibrium position only after damped vibration. Fluttering frequency varies as a function of time after opening and is in the range of 8-84 Hz. Valve opening appears to be affected by the orientation of the valve relative to gravitational force. The opening velocities are in the range of 0.65-1.42m/sec and the dynamic loads by impact of the occludes and the strut are in the range of 90-190 N.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.14 no.7
• /
• pp.3538-3549
• /
• 2013

This study focuses the architectural planning solution and guiding principle for English only classroom spatial layout and operation program to establish English educational environment proper to English curriculum contents and methodology by the grade level of elementary school. To accomplish this purpose of the study, this study proceeds as follows. First, the English facility condition such as type of classroom, retainment and floor space were researched and analyzed through the nationwide survey for elementary schools to understand English educational environment. Second, the study analyzes English educational procedures, contents and methodology and most typical educational scenes, facilities and equipments are extracted through the analysis. Finally, the study pursues the spatial layout factors and proposes the architectural planning principle for English only classroom to provide English educational environment per its size and type.

• Journal of Gifted/Talented Education
• /
• v.15 no.1
• /
• pp.85-102
• /
• 2005

Some properties on the mathematical hyper-dimensional figures by 'the principle of the permanence of equivalent forms' was investigated. It was supposed that there are 2 conjectures on the making n-dimensional figures : simplex (a pyramid type) and a hypercube(prism type). The figures which were made by the 2 conjectures all satisfied the sufficient condition to show the general Euler's Theorem(the Euler's Characteristics). Especially, the patterns on the numbers of the components of the simplex and hypercube are fitted to Binomial Theorem and Pascal's Triangle. It was also found that the prism type is a good shape to expand the Hasse's Diagram. 5 mathematically gifted high school students were mentored on the investigation of the hyper-dimensional figure by 'the principle of the permanence of equivalent forms'. Research products and ideas students have produced are shown and the 'guided re-invention method' used for mentoring are explained.

• Nuclear Engineering and Technology
• /
• v.37 no.5
• /
• pp.447-456
• /
• 2005

Laser driven accelerators promise to provide an alternative to conventional accelerator technology. They rely on the excitation of large amplitude density waves in a plasma by the photon pressure of an intense laser. The density oscillations in which electrons and ions are separated, result in extremely large longitudinal electric fields that can be several orders of magnitude larger than those that are used in today's radio-frequency accelerators. Whereas this principle had been demonstrated experimentally for nearly two decades, it was not until 2004 that the production of high quality electron beams around 100 MeV was demonstrated. Analysis, aided by particle-in-cell simulations, as well as experiments with various plasma lengths and densities, indicate that tailoring the length of the accelerator, together with loading of the accelerating structure with beam, are the keys to production of mono-energetic electron beams. Increasing the energy towards a GeV and beyond will require reducing the plasma density and design criteria are discussed for an optimized accelerator module. The current progress and future directions are summarized through comparison with conventional accelerators, highlighting the unique short and long term prospects for intense radiation sources and high energy accelerators based on laser-drivenplasma accelerators.

• Journal of The Korean Association of Information Education
• /
• v.11 no.2
• /
• pp.177-184
• /
• 2007

The purpose of this paper is to evaluate the computer education experience of high school graduates that were taught under the 7th curriculum and present insight into the making of required computer course for college. To achieve this purpose questionnaires were given to college freshmen to fill out about computer education performed not only during middle school, but also outside of the classroom. For suggestions towards computer courses for college students, how students are being taught the use of computers, how students are using computers, and how the computer proficiency of the students were assessed. Considering the results of the analysis of computer education experiences, this study suggests a guiding principle in freshmen's computer education.

• Korean Journal of Health Education and Promotion
• /
• v.28 no.1
• /
• pp.11-22
• /
• 2011

Objectives: This study aims to provide baseline information for health educator training, standards for university curriculum on health education and health educator training, and ultimately to help settling the national qualification system for health education specialists. Results and Conclusion: Based on literature review and professional taskforce meetings, we discuss: 1) Principles for course standards; and 2) Objectives and content standards for 9 required courses for health education specialists. The curriculum standards could be used for the course evaluation run by Korea Health Educator Qualification Management Office, and as a guiding principle for the development of courses and curricula for health education and health educator training.

• Journal of Advanced Marine Engineering and Technology
• /
• v.16 no.5
• /
• pp.85-96
• /
• 1992

Engine enclosures are widely adopted to reduce the noise emission in various fields of application. The radiated noise, which is due to the vibration of enclosure's outer surface, is composed of two kinds of sound power with different path of propagation. One is the 'structure-borne sound power' which stems from the engine's vibratory force applied to the structure of enclosure through the mounting parts of engine etc., while the other is the 'air-borne sound power' which is originated by the sound power radiated from the engine surface to the inner space of enclosure that should excite the vibration of enclosure from inside. In order to get a most efficient engine enclosure is required a profound consideration upon the above structure-borne and air-borne noise, since the guiding principle of countermeasure for each noise is quite different. The controlling of input vibration and its isolation are major subject for the structure-borne sound power and the specifications of absorbing member and damping panels are the major interests for the air-borne sound power. Hence it seems very efficient to separate the total sound power into two categories with a great accuracy when one think of further reduction of engine noise from the exciting enclosure, however, its separating methods have not been made clear for many years. Then author proposes a new practical separation method of two propagation path's contribution to the total radiation sound power for the enclosure under the engine operating condition.