• Journal of Educational Research in Mathematics
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• v.27 no.3
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• pp.375-389
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• 2017

The purpose of this study is to analyze the difference and inter-connectivity between the definition of continuity in school mathematics and the definition of academic mathematics in four perspectives. These difference and inter-connectivity have not analyzed in previous papers. According to this study, the definition of 'continuity and discontinuity at one point' in school mathematics depends on the limit processing but in academic mathematics it depends on the topology of the domain. The target function of the continuous function in school mathematics is a function whose domain is limited to an interval or a union of intervals, but the target function of the continuous function in academic mathematics is all functions. Based on these results, the following two opinions are given in relation to the concept of continuity in school mathematics. First, since the notion of local continuity in school mathematics is based on limit processing, the contents of 2009-revised textbooks that deal with discontinuity at special point not belonging to the domain is appropriate. Here the discontinuity appears as types of infinite discontinuity, removable discontinuity, and step discontinuity. Second, the definition of a general continuous function is proposed to "if there is no discontinuity point in the domain of a function y = f(x), we call the function f a continuous function." This definition allows the discontinuity at special point in non-domain, but is consistent with the definition in academic mathematics.

• Archives of design research
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• v.16 no.4
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• pp.413-422
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• 2003

In the early 20th century, the efforts for design standards for industry and the new aesthetic of Functionalism began from the Deutcher Werkbund, an English German Association of Craftsmen. In the similar vein, the Bauhaus, founded in 1919 at Weimar, provided the definition of Good Design, as a contemporary concept, that combines art with technology. From 1950 to 1955, the modern usage of the term 'Good Design' was derived from a series of exhibitions and consumer education programs conducted by the MOMA(Museum of Modern Art, New York). The mission was to bring modern design to the attention of the general public. From the second half of the 20th century, many specialists in different areas, such as designers, manufacturers, enterprises, and scholars, began to give various definitions of 'Good Design'. That's why it could be interpreted and applied to unique and various methods by them. Meanwhile, Rams and Norman argued that the Good Design has to be not only considered within function, aesthetic, technology, etc, but also interpreted from both the physical and psychological point of views. Accordingly, this study tried to find out the historical investigation and the definition of Good Design in detail, and to figure out that the user-centered design from both physical and psychological approaches is eventually synonymous to 'Good Design'.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.9
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• pp.3538-3547
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• 2010

As Telepresence has emerged as a key collaboration tool for supporting trade business, the need for using Telepresence has also been increased in the foreign countries. In this context, we has studied an exploratory research to analyze how staffs-in-charges of trade support authority, exhibition & convention center and SME(Small and Medium-Size Enterprise) perceive the general concept of Telepresence, the necessity, feasibility, business values and expected problems of Telepresence's adoption and use. The finding indicated that there seemed to be significant differences between the necessity and the feasibility of Telepresence adoption and use. In addition, they were anticipating some problems when building Telepresence. Major reasons are incompatibility between Telepresence systems, lack of usability and difficulties of fixing a rental fee. The results of the perception analysis also showed that Telepresence would positively influence on creating business value. The analysis revealed that the core factors of the successful adoption and use of Telepresence are stable network environment, awareness and accessability, and education and promotion. Through the perception analysis, I came up with the core factors to implement Telepresence successfully and use it properly. And the fact that I presented the guideline to build Telepresence for SME makes this study meaningful.

• Journal of Nutrition and Health
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• v.2 no.4
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• pp.143-153
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• 1969

For the purpose of the better dietary management and to emphasize of importance in nutrition education for 949 woman workers at the dormitory of wig factory in Seoul, the nutritional survey was conducted for seven days from August 13 th to 20 th of 1969. The survey included food and nutrient intakes, physical measurement, clinical findings and biochemical measurement were conducted for the randomly sampled 44 subjects. According to the survey results, their heights was under the standard and the 82% of the total subjects was the age ranges from 16 years to 20 years old. Their daily menu was not planned properly and the concept of 5 basic food groups was not utilized in their menu planning. The balanced meal should be emphasized in this factory. Calories and protein intakes are low compared with the recommended allowance and especially animal protein intake is low. Fat intake is only 8.8 grams for capita per day. Vitamins and minerals intake are also low. Clinical and biochemical survey indicated various vitamin deficiencies and anemia which is mostly due to the iron insufficiency.

• Journal of the Korea Convergence Society
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• v.11 no.6
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• pp.349-357
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• 2020

This study explored the theoretical basis of the teaching competency of university professors in the future society represented by the Fourth Industrial Revolution through literature analysis and the researcher's council. To this end, this study first derived the implications for cultivating of teaching competency of university professors according to the social needs of future social universities. Next, according to the social needs of future social universities, the teaching competency required for university professors was presented. Finally, based on this theoretical argument, the concept of teaching competency of professors in the future society was defined and its sub-elements were presented. As a result of this study, the teaching competency frame of professors in the future society was proposed with 8 capabilities in 3 areas including 2 ability to respond to change, 2 ability to promote innovation, and 4 ability to instruct. Through the theoretical basis proposed in this study, it is hoped that the university professors' teaching competency development plan will be established to prepare for the instability of the uncertain future in the era of the fourth industrial revolution. In addition, it is expected that innovation and change strategies of each university will be established, and class innovation strategies will be established to meet the needs of students.

• Journal of the Korean earth science society
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• v.34 no.3
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• pp.274-285
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• 2013

The purpose of this study was to develop geological field study sites for learning topography and geology of the area with igneous rocks, specifically in Duibaejae volcanic edifice and Seonang-bawi that were distributed in Goseong-gun, Gangwon-do area. As a follow up, we conducted a study to examine the effect of the study sites when applied to high school freshmen Earth science course. The study proceeded based on the Orion's model in the order of preparatory unit, field trip, and summary unit. The geological field study sites were developed based on the geological study elements presented in the Korean Earth science curriculum. Before the field trip, students simply memorized factual knowledge on minerals, rocks and etc., and showed very low level of understanding on the formation process of the region that was distributed with granite and basalt. Especially, their understanding showed that granite and basalt were formed from the same magma at the same time. After the field trip, they increased in-depth level of understanding about minerals, rocks, and geological structures, but were not able to explain the topographical characteristics of the two rocks because they did not recognize the times of the creation of granite and basalt. The reason is that they have learned the simple concept of the process of forming granite and basalt in their middle school, but that they have not learned the meaning of the difference between two the geological eras when each of the two rocks, granite and basalt, were formed.

• Korean Institute of Interior Design Journal
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• v.20 no.3
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• pp.215-224
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• 2011

Throughout the world, interest in issues relevant to energy, resources, environment, etc, is ever soaring. Therefore, the restoration of modern architecture that fulfilled its epochal function is working as a cultural, historic medium. In addition, it also plays its role in the side of environmental approach and so on. Moreover, the museum, which was only used for the possession of art collections and exhibition purposes, is currently expanding its scale and range as the center of culture and education. Also in reality, with the use of various programs, it is globally pursuing urban vitalizations. This study looks at the meaning of modem architecture restoration as well as its relationship with urban area. Furthermore, the purpose of this study is to look for design method's direction by finding the relevance between modem architecture restoration and museum during the restoration. This study is based on transformation and preservation scale during the restoration of modern architecture. It analyzed plane and design direction. Additionally, this study analyzed the architectural and regional effect caused by restoration. As a result, in accordance with the direction of museum and the usage, scale, structure as well as superficial aging condition of previous architecture, it shows difference in design methods in the process of restoration. The exterior of architecture was restored and preserved to its original form in order to show the symbolical form through historical value. This is essential to the modern museum. On the other hand, the interior of architecture put more value on utilization concept that its preservation and thus was restored accordingly. However, in all the cases, previous architecture were commonly used and even when alterations and additions were made due to aging and their change in usage, they were restored in a way that preserved and harmonized previous architecture. If the design method for restoration of modern architecture selects the restoration method by considering problems related to location, building value, structure, if it is studied from various angles and is restored after considering its usage as a museum, then we will be able to generate cultural and historical synergy effect. Furthermore, apart from architecture, it will have great impact on urban vitalizations.

• Journal of the Korean Institute of Navigation
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• v.21 no.2
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• pp.47-58
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• 1997

The purpose of this study is to find out the impacts of VTS on the marine safety and users' opinion on the VTS which have been being operated in the port of Pohang for the last 3 years and is to suggest a guideline to the successful operation of VTS in the future. This study is based upon the questionnaire survey and the respondents include 236 masters/mates of merchant vessels who have visited the port of Pohang and 6 pilots who have been working in the port. From the questionnaire results, this study notes the following conclusions related to the VTS operations. (1) A few of the respondents (mainly foreigners) do not understand the entering procedure of the port and the fundamental concept of VTS. Accordingly, the more active VTS services have to be provided for the mariners. (2) It was found that themost dangerous factors in tehvicinity of the port were the floating materials, fishing nets, andillegal fishing activities inthe fairway. Therefore, the proper surveillance, stricter enforcement of Acts and the instructive education for the fishermen are required to avoid the risks. (3) A majority of the respondents agreed the VTS has contributed to the safety of vessel traffic, and they pointed out ' the assiatances in reduced visibililty conditions' is the most important task of VTS. The amount of 75.6% of the respondents answered that they have experienced the assistance from VTS more than 1 time since the system was established in the port of Pohang . Also 44.2% of the respondents considered they were able to avoid marine casualties such as collision, ramming or agrounding with the VTS assistances. (4) 49.2% of the respondents preferred the passive information services , while, 38.8% of them preferred the positive control advices in the case of encountering any potential risks. VTS iperators have to consider seriously when they provide the positive control advices of ship's course and speed. (5) A majority of the respondents confirmed that the prot and its approaches is suitable for the VTS coverge . To extend the service areas of the VTS and to improve radar detecting ability, the use of radar transponders are seen as the ideal method. (6) A minority of the respondents pointed out 'the improper orders or recommendatinos caused by the poor decision making' firstly, ' the language problem(sea-speaking in English)' secondly, as the deficiency of personal qualification. It seems, therefore, theat the personal efforts of the operators and systematic training programmes for them are necessary to solve the problems.

• The Journal of the Society of Korean Medicine Diagnostics
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• v.10 no.1
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• pp.36-45
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• 2006

Background and purpose: Well being which emphasizes peace of mind and richness of spirit, has been already used from several thousands years ago, as the name of Yangsaeng(養生) when we regard it in the view point of oriental medicine. Yangsaeng means a person's daily life according to natural rules in order to compensate his essence qi spirit(精氣神) and to prevent and cure his disease for his long life, and there are environment, spirit, qigong, food, dwelling labor, sleeping and sexual intercourse as its methods. But in Korea, we are mainly using the health and concept of the health management and use of it, with the one developed in Western. Thus, in this study, literature study was made for the situation of research and feature of Yangsaeng method. Among them, I tried to study mainly on adapting method of Exercise Yangsaeng and its possibility which can derive harmonious development of Spirit and body for human body, in the view point of identity(整體觀). Methods: Diploma thesis and words of 'Yangsaeng', 'exercise cure', 'exercise therapy', and 'exercise prescription', in 'KERIS(Korea Education & Research Iformation Service).' Results and conclusion: In this study, in order to adapt oriental method of Yangsaeng to the reality, I selected and researched only Exercise Yangsaeng among various Yangsaeng methods including environment, spirit, qigong, food, dwelling labor, sleeping and sexual intercourse. The Exercise Yangsaeng has its advantage that it ran train both mind and body as well as it has various programs, but it is regarded at it is in need of more study as lows; First, it requires assessment on the effect of construction itself as well as degree management of Excercise Yangsaeng as a method of exercise which is being done in daily life or in the literature. Second, above all, standardization of Yangsaeng Exercise and specialized programs are required in order to introduce the Exercise Yangsaeng which was verified for its effect, to the cure of disease. Third, researches are required for the system of assessment management for measurement of relative effect of standardized programs. fourth, continuous compensation is required in the future by adapting researched and developed programs into the field.

• The Journal of the Korea Contents Association
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• v.17 no.4
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• pp.478-487
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• 2017

In recent years, developed countries have begun to pay attention to female workers through work-family balance in order to solve the problem of low fertility and aging. Korea has been building and running a women leaders database (hereafter, women leaders DB) centered on the female professionals since 2011. In particular, the Incheon women leader DB, which was built by Incheon city in 2009, is a classic example. As of 2015, about 2,735 people are registered in Incheon Women Leaders DB and it is systematically creating the database such as age, education, career years, major, occupation, and certification. However, there are administrative problems such as unspecified definition on professionalism and data trust issues including data entry, and DB personnels are concentrated in specific fields. Also, in the case of certification proving expertise, the utilization problem has been revealed including inclusion of private certification not yet verified. In order to solve these problems, we first need to clarify the concept of women leaders and establish the standard. The second is the improvement of data consistency through DB reorganization, and third is to build a system through continuous and active public relations that is used by both job seekers and recruiters.