• 한국항공운항학회:학술대회논문집
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• 2015.11a
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• pp.59-62
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• 2015

급증하고 있는 드론(무인항공기) 분야의 기술 개발과 보급이 활발해지는 효과의 반대급부로서 기존의 유인 항공기 운항의 안전이 위협받고 있다. 본 논문에서는 초경량/소형 드론이 비행하도록 지정된 저고도 공역에 대한 현 제도의 문제를 분석하고 드론의 비행 증가에 따른 항공안전을 확보하기 위한 저고도 공역 재설정을 포함한 공역 제도 개선 방안을 제안한다.

• Journal of Korean Society of Water and Wastewater
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• v.21 no.4
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• pp.485-491
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• 2007

The fluctuation of inlet flow to a water treatment plant makes a serious problem that it can change the filtration rate abruptly, and ultimately occur the breakthrough of the detained particles inside filter media. Also, since it takes very short time (about 10 minutes) for the surface wave occurred from the fluctuation of inlet flow to reach the filtration process, it is impossible to control the filtration rate stably. Therefore, this study was conducted to evaluate the effect of daily flow-rate fluctuation on the performance of sand filtration process, and to suggest the dual media composition for coping with that effect. Comparative column tests have been carried out for various dual media (sand and anthracite) compositions. From the results of column tests, dual media, especially in the case of sand 45cm/anthracite 30cm, is more effective to cope with the effect of flow-rate fluctuation on the performance of filtration than single media (only sand). In addition, irrespective of dual media composition, managing ability to cope with that fluctuation tends to be weak at the end of allowable filtration duration time,

• 제어로봇시스템학회:학술대회논문집
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• 1996.10a
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• pp.434-437
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• 1996

Symmetry is one of the important structural properties of shapes both in perceptual psychology and in computer vision. Recently, a number of automatic symmetry finding algorithms have been reported. Among them, the algorithm based on the use of principal axes of objects is the most general and practical. It is, however, of no use when shapes concerned have some asymmetry. Asymmetric shapes which make us associate with certain kinds of symmetry are practically important and they are called shapes with potential symmetry in this paper. The algorithm we have already proposed can cope with those shapes having potential axial symmetry. The algorithm employs a reflected image of the original and a certain evaluation function. In the former paper, areal minimization was employed for the evaluation function and it yielded satisfactory experimental results. However, it could not cope with those shapes which have larger asymmetry. In this paper, we propose the employment of variance as an alternative evaluation index with respect to the difference image between the reflected and the original shape. The technique is examined its performance by real video images as well as synthetic data. Experimental results are shown and discussion is given.

• Journal of The Korean Association of Information Education
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• v.7 no.1
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• pp.102-112
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• 2003

In order to educate learners who cope with quickly to the information society of twenty-first century, it is required to develop ability to make a plan oneselves, solve the problem by collecting and examining information with various method. The purpose of this study is develop a constructive information searching model, present contents meet with learner's grade then help teacher and learner can search information that needed teaching and learning. In addition to it, this study enable learners to participate learning by self-directing, at the same time cope-learn throuth interaction with members, design of web-site that can be shared. exchanged new various information.

• Journal of Soil and Groundwater Environment
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• v.22 no.5
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• pp.13-22
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• 2017

Accurate assessment of agricultural groundwater usage is an essential task to cope with drought that occurs irregularly in time and location. In this study, the agricultural groundwater usage was calculated in nationwide public wells (1,386 bedrock wells) during 5-year period (2010-2014) by using electric power consumption and well specification data. National average of agricultural groundwater usage per each well was estimated as $66.2m^3/day$, corresponding to 21.6% of total permitted volume of groundwater in each well. Chungcheong Nam-do had the highest usage with 38-55.6%. The value increased to 58.1% when the total permitted volume was based upon the supply standard against drought, and the value reached 100% in Chungcheong Nam-do. In Ganghwa distirct that suffered from severe drought in recent years, the average groundwater usage was 61.4%. In 2014, when the drought was the most severe with 45% precipitation of the average annual rainfall, the nationwide usage was turned out to be 25.6%, indicating about 4% higher than average agricultural groundwater usage 21.6%. Therefore, the quantitative assessment of groundwater usage in this study signifies that adequate use of groundwater is crucial to cope with agricultural drought.

• Strategy21
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• s.31
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• pp.120-141
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• 2013

Korea, China, and Japan forms triangle structure which mixed complicatedly on the history and maritime territorial disputes. Nationalism lies on the basis of triangle structure, and it is a main factor which increase tension and conflicts among three countries. Considering dynamics of changing nationalism circumstance, Ieodo issue needs to prepare active countermeasures which considers cope with nationalism confrontations. The aim of this article is suggests preparations of active countermeasures cope with nationalism provocative actions. First, I will specify nationalism as a factor of territorial dispute, and review characters of Ieodo issue. Second, I will analyse China's nationalism to Ieodo through analysis of China's media contents and coverage trend of Ieodo issue (2006~2008). I will suggest necessity of active defense measures coup with China's nationalism, basis of these analysis. As a result, China's nationalism might be a criterion which measures of China's desire for Ieodo. Stimulating Ieodo coverage of China's state media can be a criterion which predicts China governments's for Jurisdiction of Ieodo. We need active measures coup with China's nationalism Which evolves into a much more bold and assertive.

• Korean Journal of Health Education and Promotion
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• v.7 no.2
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• pp.1-14
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• 1990

This papaer discusses the recent tendencies of health approach in the developed countries and suggests the strategy of health approach in order to cope with the changing environmental conditions of Korea in 2000's. In 2000's, Korea will have the environmental conditions and health problems similar to those of the developed countries at present. The American and European developed countries have shown the integrative approach trend by the interdisciplinary cooperation based on the holistic health conception, for example, as in the behavioral medicine, with the active drive of the medical self care movement and the national health preactice movement. The basic solution to the 2000's main health problems such as high morbidity of chronic diseases and high medical expenditure is to decrease the health need through the health promotion, disease prevention and early. ditection and early treatment of disease. The above actions need to induce the public to change their health behavior in the desirable direction through the national health practice movement and the health self care movement. The succeed of the movements depends upon how to use effectively the mass media, health and administrative organizations, schools, industrial and medical insurance organizations with the strong government support of health and preventive policies and programs.

• Parasites, Hosts and Diseases
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• v.43 no.4 s.136
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• pp.141-147
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• 2005

A practical and convenient method of rearing Eucyclops serrulatus in a microculture environment is described. A complete life cycle of E. serrulatus was maintained in a narrow space on a microscope slide glass on which a cover glass of $22{\times}40mm$ in size was mounted at a height of 0.8mm. The culture medium was constituted by bottled mineral water boiled with grains of Glycine max (soybean). Chilomonas paramecium, a free-living protozoan organism, was provided as live food. Growth of nauplii hatched from eggs to the first stage of copepodite took an average of 7.7 days, and the growth of copepodite 1 to the egg-bearing adult female took an average of 20.1 days in the microculture cell with an average life time of 44.7 days. Continuous passage of cope pods was successfully maintained as long as sufficient medium and food were provided. The microculture method enables an in situ microscopic observation on the growth and developmental process of helminth larvae experimentally infected to copepods as well as of copepod itself. Furthermore, it does not require anesthetization and, therefore, minimize the amount of stress exposed to cope pods during the handling process.

• Journal of the Korean Society of School Health
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• v.26 no.1
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• pp.34-44
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• 2013

Purpose: The purpose of this study is to identify the relationship between school adjustment and stress-coping styles among adolescents. Methods: This is a descriptive correlation survey using a convenience sample of 701 middle school students in Seoul, Gyeonggi, Incheon, Jeonbuk, and Gangwon province, Korea. The study's questionnaire included a scale of school adjustment and a scale of stress-coping style. The data analysis, using the SPSS 19.0 program, involved frequency, the mean and standard deviation, the t-test, ANOVA, the scheffe test, and the Pearson correlation coefficient. Results: Positive correlations were identified between positive stress-coping styles and the adjustment to school life of adolescents. The degree of school adjustment varied significantly according to the region, grade, attending private educational institutes after school or not, academic performance, daily study hours after school, and the hours students spend on gaming and Internet use a day. With regard to the behaviors to cope with stress, teenagers with a higher sense of life-satisfaction tended to show active coping behaviors, and female students were more likely to show positive or negative coping behaviors than mystic coping behaviors. Since adolescents' stress-coping styles showed connection with their adjustment to school, it is necessary to develop stress management programs to help middle school students adjust to school life. Conclusion: Based on the study's findings, it is important to develop programs which can help students adjust to school and learn how to cope with stress positively.

• Korean Institute of Interior Design Journal
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• no.25
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• pp.11-17
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• 2000

The purpose of this study is to suggest a new system and standards of system furniture for promoting the efficiency of a l living space in order to cope with any possible change of a resident’s lifestyle. For this purpose, the study premises that the i idea of "flexibility" can provide a solution to problems with the resident’s current living space, and furthermore, it can fulfill the r resident’ s needs of a flexible living space. T To decide the needs of the flexibility of a living space, this paper examined and analyzed sever머 studies on the necessity of t the flexibility of a living space according to changes of one's lifestyle, characteristics and problems of each type of existing f furniture, and applications of each type of system furniture and it's flexibility. The results of this study is as follows: First, a new furniture system is necessary so that a resident can adjust one’s living space. Second, a plan for flexible interior s space can meet a current resident's demand of a flexible living space, not to mention an initial resident's .. Third, a systematic plan is needed to install system furniture in a living space to cope with changes of a resident’s lifestyle.s lifestyle.