새만금호 점착성 퇴적물 퇴적저면의 침식특성

이승종 전북대학교 대학원 2008 국내석사

The quantitative estimation of erosional properties of muddy cohesive sediments are very essential in the study of ocean pollutions as well as depositions. Erosional properties of muddy cohesive sediments are influenced largely by aggregation which occurs as a consequence of interparticle collision and cohesion of particles. Since the degree of cohesion of muddy cohesive sediments depends on physico-chemical properties such as grain size distribution, percentage of organic materials, mineralogical compositions, and cation exchange capacity, and these physico-chemical properties varies regionally, the erosional properties of muddy cohesive sediments for a specific site should be determined through field or laboratory experiment. Therefore, the study on erosional properties of muddy cohesive sediments had been carried out mainly experimentally, attached importance to development of experimental device. Early experimental studies connected with a systematic investigation of the erosional behavior were performed in recirculating straight flume. The straight flume which has been used traditionally for erosional tests of sand-size sediments is impractical and inappropriate for the muddy cohesive sediments, due to both time scales of transport processes ranging from hours to days and the breakage of the flocculated particles by a recirculating impeller. Therefore, in order to overcome the difficulties inherent in a straight flume, the annular flume had been designed, which is well-known internationally. Recently, an annular flume has been constructed at coastal & harbor engineering laboratory in Chonbuk National University, in order to estimate the erosional or depositional properties of muddy cohesive sediments. It is concluded from several researches that the performance of the annular flume is good enough to provide the experimental method and results are valid. The validity of annular flume of Chonbuk National University for erosion experiments are verified by Kim-Hyun-Min(2008) through the deposit bed erosional experiment using Kaolinite. This study is the domestic initial study for natural sample. Erosion of deposit bed experiments are conducted by using muddy cohesive sediments from the Saemankeum Lake and annular flume of Chonbuk National University, in order to quantitate estimation of erosional properties. In this study, all deposit bed erosion tests for the Saemankeum Lake muddy cohesive sediments were carried out by varying bed shear stress(). Each step suspended concentration was extracted at other height. using density apprautus, bed density was estimated and using a relationship between suspended concentration and bed density, erosion depth calculated. Also, bed shear strength was calculated using a erosion depth and suspended concentration. Finally the results of this study indicated that the logarithm of erosion rate plotted against the square root of excess bed shear stress and compared the other study. It is concluded that erosional properties of muddy cohesive sediment can be quite different regionally depending on the sediment type and erosion fluid properties. It means that field or laboratory measurements for depositional properties should be preceded over the numerical modeling of muddy cohesive sediment transport in order to obtain the reliable prediction results for a given specific site.

중학교 자유학기제 운영 실태와 개선에 관한 연구 : 자유학기제가 학생?교사의 학교생활만족도에 미치는 영향을 중심으로

이승종 순천대학교교육대학원 2015 국내석사

Free learning semester refers to a system where school curriculum is run flexibly so that students may be able to explore their dreams and talents without much burden for tests and exams; and teachers use students-centered educational methods such as debates and practical hands-on training so that students can expand their learning experiences even to various career searching activities. In order for this system to properly take root in Korean educational environments, it is essential to analyze and evaluate the system based on the empirical studies and management realities at the school where it was attempted. The purpose of this study is to examine the reality and conditions of the school while managing the free semester system. and to check the satisfaction levels of teachers and students with the system; furthermore, to diagnose its current problems with feasible improvement plans. For this study, 94 freshmen and 19 teachers from a middle school were designated for both surveys performed before and after the system was employed. The collected data went through an encoding process and then was statistically treated with the SPSS WIN 21.0 program. No statistically significant difference was noticed in both the teachers’ and the students’ satisfaction levels about the school life. However, in terms of gauging students’ overall satisfaction and the atmosphere of the school and classes, the average score of the post-survey was generally a bit higher. Also, the average score of teachers’ post-survey was a bit higher in terms of the curriculum management and student participation; the atmosphere of the school and classes; the educational results; and the overall feeling of happiness and satisfaction with the school life. The problems surfaced as the result of operating the free semester system are as follows: First, there was a problem with the shortage of various programs, club activities, and hands-on experiences catering to students in the free semester curriculum. Second, the process-based evaluation substituting written exams caused a problem since it increased teachers’ overall workload and made it difficult for teachers to decide who does what. Third, the shortage of able instructors and of hands-on learning and training agencies was another problem. There aren’t many educational establishments or organizations that could cooperate with the school during the free semester. Forth, the deficient class hours might lead to a reasonable concern for a decline in the students’ scholastic ability and for proper ways to assess and evaluate students. Some plans to deal with and improve upon the current system are as follows: First, teachers should take various educational programs and training courses related to managing the free semester system to better prepare themselves for it. Second, the teachers’ workload needs to be reduced since there’s an increase of their workload due to the newly adopted process-based evaluation system in place of written exams and tests. Third, the system for education and talent donation should be well established and expanded to all walks of life from large corporate levels to individual parents with various expertise and professions. Specific measures should be developed to look for the corporations that can support school education, and to provide a network for local schools to exchange and share their information and experiences. Forth, measures to reduce the cost of private education should be implemented. And extending a free semester system to a year-long system should be in consideration once the semester system takes root properly in our educational environments. The results of this study suggests that students are able to discover their interests, talents, and aptitude; and to explore their career choices more extensively through various class activities during the free semester. Students’ consideration for one another, teamwork, responsibility will be enhanced by diverse teaching methods employed by teachers. Moreover, the students should be able to understand themselves better and improve their ability to probe into their future careers.

濟州道 南部 沿岸 쥐치류의 生殖週期에 關한 硏究

이승종 제주대학교 일반대학원 2000 국내석사

Reproductive cycle of the file fish, Stephanolepis cirrhifer(Temminck et Schlegel) and Thamnaconus modestus(Gunther) were histologically investigated. Samples were collected monthly in the coastal area of Chung-mun, south of Cheju Island from July 1997 to June 1999. In male and female of S. cirrhifer, GSI(gonadosomatic index) values reached to the maximum in June, in male and female of T. modestus GSI values reached to the maximum in June and May, respectively. Reproductive cycle can be divided into the following successive stages: in female of S. cirrhifer and T. modestus, growing stage(February to May; March to April), mature stage(May to June; April to May), spawning stage(June to August; May to June), degenerative and resting stage(September to December; July to February), and in male of S. cirrhifer and T. modestus, growing stage(February to April; January to March), mature stage(May to June; April to May), spent stage(June to August; June to July), degenerative and resting stage(September to January; August to December), respectively. To clarify spawning cycle of female in T. modestus, the weekly changes of GSI, detail development stages in the ovary and the weekly changes of sex steroid hormones (E₂ and T) levels in plasma during the spawning period were examined. Throughout histologically observation of ovary in spawning period, T. modestus belongs to an multiple spawner , changes of plasma E₂ and T levels were similar to the changes of GSI and ovary maturity.

高級人力 形成을 爲한 英才敎育 政策

이승종 서울大學校 大學院 1983 국내석사

Thermal characteristics of ytterbium-doped phosphosilicate fiber amplifiers

이승종 서울대학교 대학원 2012 국내석사

Among rare-earth-doped fibers, ytterbium-doped (Yb) silica fibers exhibit absolutely outstanding performances especially in the high power regime where nonlinearity and thermal control of the system is crucial. In order to achieve higher power with fiber lasers and amplifiers, higher rare-earth doping level is required. However, high level of rare-earth concentration in limited core size and fiber length can cause clustering, reduced lifetime, and photo-darkening. Phosphosilicate-based ytterbium-doped fibers demonstrate substantially longer lifetime and negligible photo-darkening compared to aluminosilicate-based fibers and higher damage threshold than the phosphate glass fibers. Ytterbium-doped phosphosilicate fiber is a viable option for high power lasers and amplifiers. Although there have been a number of studies on thermal characteristics of ytterbium-doped fibers, most reports are for aluminosilicate-based ytterbium-doped fibers so that information about thermal characteristics of ytterbium-doped phosphosilicate fiber is very limited to date. In this thesis, thermal characteristics of an ytterbium-doped phosphosilicate fiber, including the temperature-dependent absorption and emission cross-sections and the fluorescence lifetime are presented. A tunable cladding-pumped fiber laser amplifier based on the ytterbium-doped phosphosilicate fiber is characterized with changing temperature to investigate their influence on the gain. Study presented here should improve the accuracy of modeling Ytterbium-doped phosphosilicate fiber lasers. 희토류가 도핑된 광섬유들 중 이터븀 광섬유는 비선형 및 열 통제가 중요한 고출력 영역 에서 매우 우수한 성능을 발휘한다. 광섬유 레이저와 증폭기를 이용하여 높은 출력을 얻기 위해서는 높은 수준의 희토류 도핑이 필요하다. 그러나 제한된 코어 사이즈와 광섬유 길이에서의 높은 레벨의 도핑은 클러스터링, 라이프타임의 감소, 그리고 포토다크닝을 유발한다. Phosphosilicate기반의 이터븀 광섬유는 aluminosilicate기반의 이터븀 광섬유에 비해 상대적으로 긴 라이프타임과 더 높은 포토다크닝 면역력을 갖는다. 또한 phosphate 광섬유보다 높은 내열성을 갖고있다. 때문에Phosphosilicate 이터븀 광섬유는 고출력 레이저와 증폭기를 위한 좋은 옵션이다. Aluminosilicate 기반 이터븀 광섬유의 온도 의존성에 대해서는 많은 연구가 있었지만, Phosphosilicate 이터븀 광섬유의 온도 의존성에 대한 연구는 지금까지 거의 이루어지지 않았다. 본 논문에서는 Phosphosilicate기반의 이터븀 광섬유의 흡수 및 방출단면과 라이프타임 각각의 온도 의존성을 연구하였다. 또한 파장 조절 가능한 클래딩 펌프 이터븀 광섬유 증폭기의 온도 변화가 증폭기 이득에 미치는 영향에 대해 연구하였다. 이러한 Phosphosilicate기반의 이터븀 광섬유 온도의존성에 대한 연구는 광섬유레이저와 증폭기 모델링의 정확도를 높여줄 것으로 기대된다.

일반계고등학교 직업과정 학생의 특성에 따른 진로성숙 연구

이승종 韓國技術敎育大學校 大學院 2003 국내석사

일반계고등학교 직업과정 학생들의 적성에 맞는 진로선택을 지원하기 위하여 학생들에 대한 충분한 이해가 전제되어야 한다. 따라서 본 연구의 목적은 학생들의 특성별 진로성숙도를 측정하고, 그 결과를 진로지도에 활용하기 위함이다. 위의 연구목적을 달성하기 위하여 관련 이론을 검토하고, 선행연구 결과의 시사점을 토대로 다음과 같은 가설을 설정하였다. 성별, 입학동기 유형, 입학결정 유형, 입학만족 유형, 가정환경 만족 유형, 진로상담 경험 유형, 진로계획 유형, 거주지역에 따라 진로성숙도의 차이가 있을 것이다. 위의 가설을 검증하기 위하여 한국산업인력공단 소속 직업전문학교 위탁생 318명의 진로성숙도를 분석하였으며, 진로성숙도는 백분위와 T점수를 기준으로 분석하였다. 본 연구결과를 요약하면 첫째, 직업과정 학생들의 진로성숙도는 전 영역에서 50점 미만으로 나타났다. 둘째, 성별 진로성숙도는 일에 대한 태도와 정보활용 및 합리적인 의사결정 능력 영역에서 남학생 보다 여학생이 높게 나타났다. 셋째, 입학동기 유형별 진로성숙도는 계획성에서 '공부에 흥미 없음'이라고 응답한 학생들이 '취업'이라고 응답한 학생들 보다 진로성숙도가 높게 나타났다. 넷째, 입학결정 유형별 진로성숙도는 입학을 스스로 결정한 학생들의 독립성이 높게 나타났다. 다섯째, 입학만족 유형에 따른 진로성숙도는 일에 대한 태도, 선호직업에 대한 지식, 진로준비행동 영역에서 입학에 만족하는 학생들이 그렇지 않은 학생들 보다 높게 나타났다. 여섯째, 가정환경 만족유형에서는 일에 대한 태도, 계획성, 정보활용 및 합리적인 의사결정 능력, 진로준비행동 영역에서 가정환경에 만족하다고 응답한 학생들의 진로성숙도가 높게 나타났다. 일곱째, 직업과정 선택 진로상담 경험유형에 따른 진로성숙도에서는 계획성 등 8개 영역에서 진로상담경험이 있는 학생들의 진로성숙도가 높게 나타났다. 본 연구의 분석 결과를 종합적으로 논의하면 첫째, 직업과정 학생의 특성에 따른 진로성숙도 차이는 일부 영역에서 수용되었으나, 본 연구에서 사용된 진로성숙도 검사도구가 각 영역별로 독립적인 진로성숙도를 판단한다는 점에서 연구결과에 대한 타당성을 부여할 수 있다. 둘째, 변인 가운데 입학만족 유형, 가정환경 만족 유형, 진로상담 경험 유형은 진로성숙도의 향상과 밀접한 관련이 있다. 그리고 성별, 입학동기 유형, 입학결정 유형, 수료 후 진로계획 유형은 각각 일에 대한 태도와 합리적인 의사결정 능력, 계획성, 독립성, 선호하는 직업에 대한 지식 영역과 밀접한 관련이 있다. 따라서 본 연구에 대한 결과는 다음과 같이 밝혀졌다. 첫째, 성별에 따라 일에 대한 태도, 정보활용, 합리적인 의사결정 능력에 차이가 있다. 둘째, 입학동기 유형에 따라 계획성의 차이가 있다 셋째, 입학결정 유형에 따라 독립성의 차이가 있다. 넷째, 입학만족 유형에 따라 일에 대한 태도, 선호직업에 대한 지식, 진로준비 행동에 차이가 있다. 다섯째, 가정환경 만족 유형에 따라 일에 대한 태도, 계획성, 정보활용, 합리적인 의사결정 능력, 진로준비 행동에 차이가 있다. 여섯째, 입학전 진로상담경험은 진로성숙도를 향상시키는 중요한 요인이며, 상담경험 유형에 따라 진로성숙도에 차이가 있다. 위의 연구결과를 토대로 진로지도와 후속연구에 대한 착안점을 다음과 같이 제언하고자 한다. 첫째, 직업과정 학생들의 진로계획 판단은 여전히 대학진학에 필요한 학업성적이라는 것이다. 따라서 다양한 진로탐색을 통한 진로지도가 필요하다. 둘째, 진로상담은 진로성숙의 향상에 중요한 요인이므로 진로상담이 강화되어야 할 것이다. 셋째, 가정환경은 스스로 생각하는 만족도가 중요할 것이다. 넷째, 직업과정에 대한 긍정적인 이해는 진로성숙도를 향상시킨다는 점에서 진로지도의 중요한 지침이 될 수 있다. 그러므로 이에 대한 세부적인 후속연구가 필요하다. 다섯째, 직업과정의 입학은 진로상담과 직업과정에 대한 충분한 이해를 바탕으로 결정해야 한다. 그리고 진로지도는 상담전문교사 확보와 상담프로그램 개발 등이 선행되어야 한다. 그러나 입시위주의 교육적 현실은 이를 기대하기 어렵기 때문에 국가나 공공기관이 운영하는 직업상담기관과 직업전문학교에서 그 역할을 대신 할 수 있을 것이다. 따라서 효율적인 진로상담을 위하여 학교와 직업상담기관과의 제도적인 연계가 필요하며, 이를 위한 면밀한 분석과 그에 따르는 개선방안이 강구되어야 할 것이다. The sufficient understanding of students is premise to support the career choice tailed to the aptitude of vocational course student. Therefore this study aims to measure career maturity on student's characteristics and apply the result to career guidance. To achieve the object of this study, I hypothesize the below on the basis of investigation the related theory and the precedent study. There is the difference of career maturity according to sex, type of entrance motivation, entrance decision, entrance satisfaction, family circumstances, career counselling experience, career plan and residential district. To verify the hypothesis, I survey the career maturity of 316 general highschool students who attends on vocational training institute and use a centesimal scale and T distribution. The following is a summary of the results of the survey. First, the career maturity of vocational course student records below the 50 degree in every areas. Second, the career maturity of female students record higher than male student in areas of job attitude, information utility and rational decision making. Third, the career maturity of students who are less interested in study record higher students who prefer job. Fourth, in independence area, the career maturity of students who decide entrance for themselves record higher than students who are not. Fifth, according to the type of entrance satisfaction, career maturity of students who are satisfied with the entrance record higher than students who are not, in the job attitude, the knowledge of preference job and in career preparation behavior. Sixth, according to the type of family circumstance satisfaction, the maturity of students who are satisfied with the family circumstance record higher than students who are not, in the job attitude, planning, information utility, rational decision making and career preparation behavior. Seventh, according to the type of vocational course choice career counselling experience, career maturity of students who have career counselling experience of 8 areas; planning, etc, record higher than students who are not. The flowing is the comprehensive discussion on the basis of the study result. First, although the difference of career maturity according to student's characteristics in vocational course is accepted in some areas, neverthless the study result have validity because investigation method using in this study measures independently the career maturity. Second, among the variable, the type of entrance satisfaction, family circumstance, career counselling experience have close relationship with upgrading of career maturity. And each variable; sex, entrance motivation type, entrance decision type, and career planning type after graduation have close relationship with respectively job attitude, rational decision making, planning, knowledge of preference job. Hence the flowing is the study result. First there is difference according to sex, in job attitude, information utility, rational decision making. Second, there is difference according to entrance motivation type, in planning. Third, there is difference according to entrance decision making type, in independence. Fourth, there is difference according to entrance satisfaction, in job attitude, knowledge of preference job, career preparation behavior. Fifth, there is difference according to family circumstance satisfaction, in job attitude, planning, information utility, rational decision making. Sixth, career counselling before entrance is major factor to upgrade the career maturity and there is difference according to the counselling experience type. Based on the above-mentioned results, I recommend the flowing study relevant point. First the career planning decision of vocational course student depends on the schools record which is needed in going to a university, therefore career guidance is required through the various career search activity. Second, career counselling is so important in upgrading career maturity that it should be intensified. Third, the self-satisfaction of family circumstance is important. Fourth affirmative understanding of vocational course upgrades the career maturity so that it is important guide principle for career guidance. I suggest that the flowing detail study related with that principle be carried out. Fifth, entrance of vocational course should be decide on the basis of career counselling and sufficient understanding for vocational training course. And career guidance previously requires the counselling special teacher and counselling programs but, it is hard to expect those, because of the entering university oriented education reality, instead of general school, government, public agency and vocational training institute are able to play those roles. Therefore it is required to connect systematically the general school and vocational counselling organization for efficient career counselling.

국제복합자산포트폴리오의 한국부동산투자에 대한 환리스크 헤지효과연구 : 통화옵션을 中心으로

이승종 建國大學校 大學院 2002 국내석사

전통적인 포트폴리오 이론에 따르면 복합자산으로 구성된 포트폴리오는 그 평균-분산효과가 더 뛰어난 것을 입증하였고, 아울러 국제 포트폴리오를 구성하면 각국별로 노출된 상이한 체계적 위험과 낮은 상관관계로 인한 포트폴리오 분산효과를 얻을 수 있다. 하지만, 국제 포트폴리오는 특히 환율변동에 따른 환리스크에 노출된다. 우리나라의 경우 특히 90년대 후반 외환위기를 겪으면서 극심했던 환율의 변동성을 경험했다. 본 연구는 먼저 외국투자자들이 자신들의 포트폴리오에 부동산을 비롯한 한국의 자산들을 편입시킬때, 얼마나 환리스크에 노출되는지를 분석하였다. 즉, 순수한 외국투자자-한국내 가장 투자비중이 높은 미국상정-의국내자산만으로 구성된 포트폴리오에 한국의 금융자산, 그리고 한국의 부동산을 편입시켜감에 따른 분산효과를 고찰하였다. 하지만 이러한 국제 복합자산 포트폴리오를 구성함에도 괄목할 만한 포트폴리오 효과를 발견할 수 없었으며, 이는 결국 환율의 변동에 따른 환리스크 증가가 그 요인임을 밝혔다. 이에 따라 본 연구는 두 번째로, 노출된 환리스크를 Garman & Kohlagen의 통화옵션가격결정모형에 따라 옵션 프리미엄을 산출해내고, 산출된 옵션프리미엄을 근거로 미국투자자의 한국내 자산투자에 대한 환리스크를 헤지한 후, 다시 그 분산효과를 분석하였다. 결국 통화옵션으로 헤지된 한국자산들 역시 크나큰 포트폴리오 효율성 증대를 확인하지 못하였다. Under the International Monetary Fund (IMF)'s control over the country in the late 1990, Korea has experienced the extreme volatility of foreign exchange rates to greatly affect international portfolio investment in Korea, not alone in its real estate market, which is now heading for more open and international one. Among all the other risks associated with international investment, the exposure of foreign exchange risk is highly emphasized on this market efficiency. Specially regarding portfolio efficiency, substantial empirical evidence has been offered that supports the notion that international diversification enhances portfolio performance. Another large body of research suggests that the addition of real estate to pure financial asset portfolios also provides improved mean-variance efficiency. Thus it is logical to hypothesize that the greatest gains are available from international mixed-asset portfolio that include both foreign financial assets and foreign real estate. This study firstly tests this hypothesis as an explanation for those purchases of Korean real estate by foreign investors. As these foreign investors, US investors are tested for this study cause about half of the foreigners who have invested in Korean real estate market are US people including Korean-American. The results indicate that Korean real estate does not improve, a little if any, foreign portfolio performance. The evidence suggests that volatile exchange rate fluctuations induce a level of risk in these assets that offsets any potential diversification benefits to US investors. Historically, the volatility in exchange rates appears to have generated so much risk in Korean real estate returns that, from the US investor's viewpoint, it eliminated any potential for obtaining diversification benefits from these assets. This study thus, based on the findings of foreign exchange risk from the first test, secondly examines the use of currency options as a means of hedging the exchange rate risk associated with a US investment in Korean real estate. The result indicate that currency options behave very much like an insurance policy. When used on a continuous basis, they insure foreign investors against any large sudden currency losses and spread the cost of these extreme losses out over time. Thus, from the US investor's perspective, the total risk in Korean real estate returns is substantially reduced. However, these improvements are insufficient to make Korean real estate consistently attractive to these investors in a mean-variance portfolio framework.

産業디자인에 대한 意匠權과 著作權간의 衝突에 관한 硏究

이승종 忠南大學校 大學院 2004 국내석사

In the global market, as for consumers, one of the main factors that motivate them to purchase merchandise is the novelty of the commodities′ appearance and design as well as their functions. That means consumer′s purchase pattern is moving from commodities′ function to appearance and design. The novel and original design becomes an important part of national industrial policy. In fact, on the other hand, increased importance on the industrial design caused counterfeiting of designs. Because of the counterfeiting of designs, protecting industrial designs is one of tasks of the nations today. Industrial designs are protected by means of design rights and of copyright. Though design rights and copyright protect similar subjects and requirement, they are coexistenced in each field without conflicts. However, nowadays, according to the advent of the industrial designs, works applied to the useful articles, the two rights are becoming conflicted. In recent years, regarding the protection of industrial designs, many kinds of complicated problems are beginning to make to make its appearance because the limitation of classical dual approach, advancement of culture industry, enlargement of scope of industrial designs, alleviating measure of goods requirement and efforts to acquire rights by human. In 1994, the first case about copyright of applied art was appealed to the Supreme Court in Korea. Considering that icons, GUI, image designs are protected by design right and attempt to protect typeface(typographical design), conflict between design law and copyright law will be more serious. Dual protection that one subject is protected by design law and copyright law may cause problems when right of the subject is transferred to other person. To settle the problem, advanced nations have been making effort to settle the legal conflicts. In the United States, various principals such as Preemption, Doctrine of Elections, Doctrine of Functionality, Separability are applied to settle the conflicts. The European Union introduced the Prior Settlement Device that reject registration of a design conflicting with other person's copyright. Relating to dual protection and conflicts, the United Kingdom's CDPA gives us considerations. CDPA settles the problems by predicting illegalities and by protecting copyright, registration design right, design right at the same time. Japan precludes dual protection based on the law. In Korea, we have difficulties of weak methods to settle conflicts between industrial design and copyright law and incompleteness of law. Therefore, referring to foreign countries' laws and settlement policies, I intend to suggest some methods to settle conflicts. The first is shortening protection period for using copyrighted articles with industrial purpose, stating the right to copy of works applied to the useful articles, introducing policies such as restriction of scope of copyright and special protection period of copyright. The second is to make allow owner of copyright to appeal against right confliction and then make cancel registration, based on objections. The third is to allow right owners to issue a judge of non-exclusive license when a copyright conflicts with other's copyright and to authorize a judge of settling scope of right between rights, and to improve the legal system. The methods, proposed in this thesis may not be the best ways. However, this study may be worthwhile in a sense that it attempted to resolve the right conflicts. We need to continuously study on systems and methods for the settlement of right conflicts matters. Consequently, protection of industrial design, which is important part of nation's competition have to lead inventor's creation and industrial development by harmonizing the extensive protection of industrial design with promotion of free competition in relevant industries.

HMIPv6환경에서 효율적인 MAP 선택 방안

이승종 건국대학교 대학원 2005 국내석사

영문초록:Hierarchical Mobile IPv6(HMIPv6) induces new entity called MAP( Mobility Anchor Point) to make it work as local HA(Home Agent) in certain area in order to minimize the Signal from MH(Mobile Host) which has frequent movements. If this MAP is used, Handoff capacity can be improved along with reduction of the Signal. But if MAP is distributed network in HMIPv6, MH has to select the MAP which will function as same as HA(Home Agent) from Foreign Networks. The way of doing so is selecting the MAP on the highest position. That is because the high position MAP reduces the Signal generated by itself, and the data loss and delay can be minimized. But since every MH prefers selecting the high position MAP, there is a defect of the load being focused on those MAPs on high positions. The Signal increases if the low position MAP is selected, but the problems also occur from load focusing on high position MAPs. In order to overcome these problems, MAP selection of the MH needs to be distributed. So algorithm that shows MH breaking into several MAPs will be shown in this thesis. Present MAP resources will be measured by including the parameter which influences the MAP capacity. Based on these measured values, MAP that contains lots of remaining resources will be made to be selected, preventing the loader being centralized in single direction and spreading the MH into several MAPs

韓國 南海 멸치의 卵·仔稚魚 分布 特性과 生産量 및 環境과의 關係

이승종 濟州大學校 大學院 2004 국내박사

제주해협 및 그 주변해역에서 2001년부터 2003년 사이 3년간 멸치난·자치어의 분포와 그 분포에 영향을 미치는 환경요인들과의 관계를 분석하였다. 또한 1971년부터 2002년까지 32년간 남해 멸치의 자원량 변동과 한반도 기상 및 남해의 해황 변화 사이의 관계도 분석하였다. 난·자치어 분포특성으로 미루어 보아 멸치 성어들은 수온이 약 15℃ 이상이 될 때 산란해역내 엽록소a 농도가 높고 동물플랑크톤 현존량이 빈약한 연안역 부근에서 주로 산란하며, 시기적으로는 상대적으로 바람이 약하고 강수량이 많은 여름철에 집중적으로 산란하는 것으로 추정된다. 멸치 자치어들은 유영능력이 향상된 개체일수록 20℃ 이상의 고수온, 32‰ 이하의 저염분 그리고 엽록소a 농도가 낮고 요각류가 풍부한 해역에 많이 분포하였다. 따라서 제주해협 및 그 주변해역에서는 주로 여름철 남해안측 연안역이나 섬 주변역에서 산란되어 부화한 멸치 자치어들은 일정 기간동안 산란장 부근에서 색이활동을 하며 머무르다가 성장하면서 차츰 산란장 외해측으로 이동하여 이곳을 성육장으로 활용하고 있는 것으로 추정되었다. 장기간 남해의 멸치 생산량 변동과 기상 및 해황 변화와의 관계를 분석한 결과 타 계절에 비해 겨울철에 변화 양상이 뚜렷하였다. 1990년대에 들어서부터 우리나라 남부의 겨울철 기후체제가 온난화 양상으로 전환되었고 남해의 수온상승 현상도 지속적으로 나타나고 있었다. 이시기부터 기선권현망 어업과 유자망 어업에 의한 겨울철 멸치 생산량이 뚜렷하게 증가하였다. 결론적으로 1990년대의 겨울철에 우리나라 남부의 기온 상승 및 남해 수온상승과 같은 물리적 환경변화는 먹이생물 증가와 같은 멸치 가입과 성장에 유리한 환경이 조성된 계기가 되어 멸치 자원량이 증가한 것으로 판단된다. The distribution of eggs and larvae of anchovy, Engraulis japonica and its relationship with environmental marine and meteorological factors in the Jeju Strait and its adjacent water, were investigated for 3 years from 2001 to 2003. The relationships among the long-term variations of climate in the southern part of the Korean peninsula, and oceanic conditions of the South Sea, and the variation of anchovy catches were analyzed using the time-series data for 32 years from 1971 to 2002. Egg density was high in the coastal waters and in the vicinity of Islands where water temperature was over 15℃, chlorophyll a concentration was high and zooplankton abundance was low. Larger larvae(>15.0 mm TL) were abundant in the area of high temperature(>20℃) and low salinity(<32‰) with lower chlorophyll a concentration and higher copepod abundance. The main spawning season of anchovies was summer when the northwesterly wind was weak and precipitation was concentrated. It suggests that hatched anchovy larvae grew in the coastal water until the size reached over 15 mm TL, and then larger larvae moved out to the offshore in summer. The climatic conditions such as air temperature, wind speed and relative humidity in the southern part of Korean peninsula have been shifted to be a warm regime in the early 1990s especially in winter. The SST in winter in the South Sea became consistently higher since the early 1990s. Winter catches of anchovy has been increased from the early 1990s for drag net fishery and from the late 1990s for drift gill net fishery. During the years of high anchovy catch in the South Sea during winter, climate conditions were characterized by relatively higher air temperature, relative lower humidity and weak wind speed, and by higher SST anomalies in the South Sea. It suggests that the increase of anchovy catch in winter seems to be caused by an environmental change in connection with a warmer winter since the early 1990s.