• 전기의세계
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• v.26 no.5
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• pp.74-82
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• 1977

This study is to present a method for reductin of noise and vibration of home electric motors coupled to the mechanical load causing relatively big amplitude of vibration. The noise and vibration factors have been analysed in the divisions such as the pattern related to the armature reaction, the pattern related to the circulating current by induction and the other patterns those are affected by a dditive magnetic field and have an effect on mechanical constants. From the systematic mutual relations between the patterns and daping effects, it is possible to derive the fundamental measure for reduction of noise and vibration. Vibration measurements and analysis were carried out in accordance with the planned experimentation and thre object model was chosen randomly from the production line in a factory where home electric machines were mass-produced. Based on the above-mentioned fundamental measure, suppression effects on noise and vibration have been analysed according to the number of slots, the amount of rotor skew and the way the stator winding connection was series or parallel.

• Research in Community and Public Health Nursing
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• v.10 no.1
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• pp.44-52
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• 1999

This investigation & study has been made in oder to revitalilize the health care for the elderly in public health centers. The date subject, including 88 persons in charge health services in public heal centers, were from Chejudo. These were largely female, the average age was 38.4 at the health center. Their responsibilities included home visitation, nutrition management for the early, health education, and physical therapy. The most important problem were personal management and a lack of facilities, especially in home visitation, health education, physical therapy. Systematic networks of various activities are needed to encourage not only the patient but also volunteer who will also take part in these services. The numbers of members in charge of the elderly are not only to be increased and educate with facilities and equipment but also better provided with proper facilities and equipment. This is the best way to conduct health services the elderly.

• Journal of the Korean Home Economics Association
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• v.35 no.1
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• pp.221-236
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• 1997

Koreans who put a high value on confucian ethics traditionally have considered sex problems as taboo. Being faced with western liberal and hedonic culture that comes with waves of industrialization our younger generation who has grown in cultural backgrounds of confucianism has had mental confusion. Due to higher standards of living physical growth has quickened but mental growth has not reached there instead. Because of lureand trouble which come from this problem related with sex this is considered as a social problem. In this research through judgement which the most effective way that can solve adolescence sex problems is systematic sex education teaching method for desirable sex education is presented asfollowing First some supplement and desirable direction of sex education were proposed through the analysis of eight currently using home economics texbooks. A lesson plan was proposed using CAI program which was developed by authors with assistance of professional computer programmers. The CAI program includes following curriculum contents: 1concepts of sex This study ultimately aimed to let students develop desirable attitude and perspective on value regarding adolescence and sex, For this goal of research another lesson plan was proposed fostering classroom group discussion.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2009.11a
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• pp.67-71
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• 2009

The purpose of this study was to investigate the way of housing DB construction about the elderly people. Documentary research and content analysis methods were used in this study. The major results of this study are as follows. The number of elderly household is increasing very rapidly. Especially they consist of single or coupled family. They want to live in detached house and aging in place. But social welfare system is not enough to satisfy their needs. So, it is need that systematic social support or welfare system to reflect their needs. For example, related works of housing welfare for them are prepared that their data base system as socio-demographic characteristics and living conditions.

• Korean Journal of English Language and Linguistics
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• v.1 no.1
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• pp.163-185
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• 2001

Listening comprehension is an integrative and creative process of interaction through which listeners receive speakers' production of linguistic or non-linguistic knowledge. Improving listening comprehension requires continual attentiveness and interest. .Listening skill can be extended systematically only when students are frequently exposed to a wide range of listening materials with an affective, cultural, social, and psycholinguistic approach. Therefore, teachers should help students learn how to comprehend intactly the overall meaning of intended messages. Practical classroom teaching necessitates a systematic procedure in which students should take part in meaningful tasks and activities. This study purposes to investigate the effects of task-based listening comprehension instruction on improvement of EFL learners' listening comprehension and their attitude and interest. 74 freshmen who enrolled in College English conversation classes in Kongju National University participated in this study. The participants were administered listening comprehension tests and questionnaires. The results show that the listening comprehension instruction through tasks and activities has a positive impact on EFL learners' improvement of listening comprehension and their attitude and interest toward the target language as well.

• The Korean Journal of Elementary Counseling
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• v.6 no.1
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• pp.19-46
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• 2007

The Purpose of this study is to investigate and suggest a personality education approach for solving interpersonal problems of elementary school students that elementary school teachers are now confronted with. In this study, first of all, the actual conditions of interpersonal problems of elementary school students were examined focusing on interpersonal aggressions(violence and victim). The features and problems of existing approaches for solving interpersonal problems of elementary school students were indicated. Although existing approaches for solving interpersonal aggression problems took temporary and external changes, they failed to notice psychological hurts that victims and aggressive victims got. As a fundamental and systematic way for overcoming problems of existing approaches, forgiveness education based on empirical-scientific forgiveness researches was discussed. The Purpose of forgiveness education is to make victims(aggressive victims) overcome the negative responses derived from interpersonal conflict(hurts and victims) and to facilitate them to response positively through experiencing forgiveness psychological process. Lastly, necessary assignments and topics to use forgiveness education as an effective personality education approach were discussed.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2012.11a
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• pp.17-18
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• 2012

Moisture condensation leading to defects that occur repeatedly in the winter, and recognize the same method, the problem of the other buildings in the same area again and again, a vicious cycle that occurs due to the temporary lack of systematic research and processing way of coping has been recurring. In this study, as warming progresses, more inside the air-conditioned summer season due to an increase in the ambient temperature of the condensation phenomenon to happen about summer wall condensation phenomena are expected to analyze the case of a building to prevent condensation and for insulation designs are proposed.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.35 no.8
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• pp.735-740
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• 2007

Star sensor provides highly accurate attitude information by imaging the stars in the dark space. The sensor output is disabled when the sensor avoidance of the Sunlight or the Earth's albedo is not satisfied. This paper studies the Sun and Earth avoidance characteristics of the star sensors according to the mounting direction. Then the paper proposes a systematic way of determining the star sensors mounting direction for typical remote sensing missions

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 1996.04a
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• pp.29-33
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• 1996

This paper addresses a systematic way of understanding the transfer characteristics of whole-body vibration due to the external excitation. Amirouche's and Tamaoki's models are considered, whose analysis shows a new result that resonant frequencies related to the head vibration are well coincided with those of the body. This point reveals that the improvement of the ride quality of passenger cars can be achieved by isolating only external vibration components transfered to the body. Finally, this paper points out the limitation of previous whole-body vibration models, which gives the motivations of setting up more 'practical and generalized' whole-body vibration models of interests in this study.

• Communications for Statistical Applications and Methods
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• v.24 no.5
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• pp.421-441
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• 2017

In this survey, estimation methods for structural vector autoregressive models are presented in a systematic way. Both frequentist and Bayesian methods are considered. Depending on the model setup and type of restrictions, least squares estimation, instrumental variables estimation, method-of-moments estimation and generalized method-of-moments are considered. The methods are presented in a unified framework that enables a practitioner to find the most suitable estimation method for a given model setup and set of restrictions. It is emphasized that specifying the identifying restrictions such that they are linear restrictions on the structural parameters is helpful. Examples are provided to illustrate alternative model setups, types of restrictions and the most suitable corresponding estimation methods.