• 한국응용곤충학회지
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• 제19권4호
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• pp.212-220
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• 1980

이 시험은 도입남양재 원목에 부착 또는 서식하는 유해병해충의 방제를 목적으로 실시하는 해수수침소독에 있어 농약의 소요량기준을 설정함을 목표로 실시한 것으로써 결과를 요약하면 다음과 같다. 1. 우리나라에 도입되는 남양재 원목의 평균 길이는 11.12m이었으며 직경은 69.55cm이었다. 2. 원목의 전재적에 대한 부상재적은 평균 $20.82\%$ 이었다. 3. 원목의 전재적에 대한 부상표면적의 비의 값은 2.3356($95\%$ 신뢰수준)이었다. 4. 원목의 전재종 대 부상표면적에 대한 표본추출오차는 1본선내 원목간의 오차(0.2087)가 10본선간의 오차(0.2952)보다 적었다. 5. 원목 $1m^2$당 농약의 적정소요량은 수동식살포기를 이용하는 경우 0.368cc, 그리고 동력분무기를 이용하는 경우는 0.295cc이었다. 6. 예를 들어 남양재 원목 $5,000m^3$을 도입하여 동력분무기로 해수수침소독을 실시하는 경우 농약소요량은 다음과 같이 계산된다. $$5,000\;M^3\times2.333=11,678\;M^2$$ $$11,678M^2\times0.295=3,445cc$$.

• 환경영향평가
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• 제6권1호
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• pp.5-31
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• 1997

Strategic Environmental Assessment (SEA) is an assessment process integrated with policy and planning processes considering environmental impacts, not at the level of individual project, but at higher level of policy and plan. Presently, two systems for the SEA are being implemented in Korea. One is "the consultation of environmental investigation into a change in national land utilization", which is to be pre-discussed with the head of the related central administrative organizations, based on the respective individual code. The other is "the consultation of environmental investigation into an administrative plan and project", which is to be pre-discussed with the minister of the environments for the administrative plan. However, these two systems are not integrated procedures with the planning process. In other words, there is a separate post-environmental assessment after planning. Also concrete proposal is not yet prepared for the method and procedure of environmental investigation about details of the planning. Therefore, they do not playa role in taking precautions for environmentally sustainable development. In this study, for the effective environmental investigation at the level of planning, environmental assessment model to be integrated with urban comprehensive plans was developed. The results of this study can be summarized as follows: First, based on the analysis of systematic problems in environmental investigation of this country, the study compared and analysed the SEA method of foreign countries. derived the potential limitations in its applications to this country. Also, the new method in this study, is integrated into planning process by improving the limitations. Thus, we developed the SEA model for this country, which consists of seven steps ; Phase 1; establishing a work program, Phase 2; defining the scop. of the SEA, Phase 3; analyzing an existing environmental situation, Phase 4; examining the consistency with environmental policy, Phase 5; appraising and synthesizing the plan content, Phase 6; proposing recommendations, Phase 7; monitoring and feedback. Second, the two types of application program of the developed assessment model were proposed. One is to integrate this model into planning process, and the other is for the institute and ministry of environments to implement SEA after planning. An aim of this study was developing an environmental assessment model at the planning level which was not yet established in this country and was to apply the model to urban comprehensive plan for inspection. This research will make the effective operation of environmental investigation system possible at the planning level in this country and contribute to the environmental protection at the global level.

• 생명과학회지
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• 제10권5호
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• pp.447-455
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• 2000

A eight weeks feeding experiment was conducted to investigate the effects of different dietary dimethyl-$\beta$-propiothetin (DMPT) levels on growth and chemical components in red sea bream (Pagrus major). The content of DMPT extracted from Ulva pertusa by auroclaving was 32.5mg%. Body weight gain, feed efficiency and feed intake were significantly increased with dietary DMPT level. After eight weeks of feeding trial, moisture content decreased with supplemented DMPT level, while crude protein and lipid contents increased with dietary DMPT level. Amino acid contents of muscle was elevated in the DMPT added groups compared to control group. Amino acid composition of muscle in fish fed the diets supplemented DMPT was not different to that of control group. Fatty acid contents of muscle in fish increased with dietary DMPT level.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2006년도 추계학술대회 논문집 전력기술부문
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• pp.375-377
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• 2006

This paper presents a method to calculate generation power for integrating Sihwa tidal power into power systems. The sea levels of 1 minute interval using cubic interpolation based on the forecasted levels of high and low water offered from Nori(National Oceanographic Research Institute) are calculated. If the sea level is greater than the lake level and the difference between sea level and lake level at high tide is over the default value, it begins to calculate the tidal power. It is seen that tidal power can supply power to demand side stably and economically from assessment of effect for integrating tidal power into power systems.

• 한국해양공학회지
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• 제16권2호
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• pp.6-9
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• 2002

The long-term monthly variations of tide with tidal harmonic analysis in Pusan Harbour are investigated. The present spring tidal range decreased 1.4 cm and the variation of phase lag increased than 1974. The high and low water level of yearly mean sea level is show during the February to March and August to September, respectively. It is important to note that the larger lunar elliptic N2 is large in comparison with lunisolar diurnal K1 and principal lunar diurnal O1. The ratios (Correction Factors) of monthly mean sea level and the main 4 tidal constituents are evaluated to correct the shortly (monthly) observed tide for the design of harbour facilities.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2009년도 세계 도시지반공학 심포지엄
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• pp.1029-1036
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• 2009

Seapage condition by sea water may appears on sea dike due to the gap of tidal, which generated by the sealevel repeatedly moves up and down result of the change of tidal level. In this study, apparatus was developed to apply similitude after setting the critical section. It was found that the soil loss was dramatically increased by increasing hydraulic gradient step by step. Also, to understand the change of seadike which considered the changes of the change of tidal level and inside sealevel, it was executed the experiments which divided the sea level condition of inside by continually changes the sealevel difference which is outside of the high tide and ebb tide.

• 한국식품영양과학회지
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• 제29권5호
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• pp.777-782
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• 2000

To investigate the effects of growth and body composition of spotted sea bass (Lateolabrix sp.) by the supplemented dimethyl-$\beta$-propiothetin(DMPT). fish was fed the diets each containing 3 mM, 5 mM, 7 mM and 10 mM for eight weeks. The weight gain, feed efficiency and feed intake were significantly increased with dietary DMPT level. Condition factor was reduced by dietary DMPT supplementation. Crude protein content of fish after eight weeks increased with dietary DMPT level, whereas crude lipid content deceased with dietary DMPT level. Amino acid content was higher in DMPT-added group than control group. Amino acid composition was not influenced by dietary DMPT supplementation. Fatty acid content deceased with dietary DMPT level.

• 수산경영론집
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• 제31권1호
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• pp.95-113
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• 2000

This paper aims to analyze the competitiveness of the Korean Deep-sea Fisheries firms in the firm level. The extant researches on this topic have been done mainly in the macro-or industry-level perspectives and depended on the quantitative analyses using the aggregated data. The results of these researches are useful to figure out the main features of the industy, however, hardly give any implications on the strategic or competitiveness-related problems in the firm level. To accomplish the research purposes this study analyzes the competitiveness of the Korean Fisheries firms on the value chain scheme using qualitative tools. Specifically this paper focuses on the industry competition characteristics, key success factors, the competitiveness, and the supporting systems and policies of the Korean Government. Data are gathered by questionaire and analyzed by factor analysis and Kruska-Wallis one-way ANOVA. The results shows that the competitiveness of the Korean Deep-sea Fisheries firms is not behind the foreign competitors. However the resource securing, the market development, R&D investment are the main obstacles to the firms. The governmental supports are kedined to improve the competitiveness of the Korean Deep-sea Fisheries firms.

• 한국발생생물학회지:발생과생식
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• 제19권1호
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• pp.33-41
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• 2015

The gonadosomatic index (GSI), gonadal development and changes in hormones in plasma level of the indoor cultured grunt (Hapalogenys nitens) were investigated by histological study from August 2011 to October 2012. The GSI showed similar trends with gonad developmental stages during the culture periods. Changes in plasma level of estradiol-$17{\beta}$ of female H. nitens reached the highest value before the spawning period, and seasonal changes in plasma level of estradiol-$17{\beta}$ were similar in trends of oocyte developments and GSI changes. Testosterone levels of male H. nitens reached the highest value before and after the spent stage. Ovarian developmental stages of H. nitens could be classified into early growing stage, late growing stage, mature stage, ripe and spawning stage, recovery and resting stage. The testicular developmental stages could be divided into growing stage, mature stage, ripe and spent stage, and recovery and resting stage.

• 한국제4기학회지
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• 제3권1호
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• pp.1-15
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• 1989

남해 대륙붕에서 채취된 70개의 표층퇴적물과 130개의 해수시료를 대상으로 하여 이 환경에서의 표층퇴적물 분포, 표층퇴적물과 해저지형 및 부유물질 분포에 대하여 연구하였다. 이토(mud)는 남해 대륙붕 수심 약 40m인 연안 및 내대륙붕 해역에서 우세하나 대륙붕 지역의 대부분은 조립물질인 모래가 우세하여 일부 지역에 따라 자갈 또는 패각 모래가 발달한다. 이와 같은 분포경향은 현세 (Holocene)해수면 상승(변동)과 그에 따른 수력학적인 조건에 의한 것으로 해석된다. 현세 간빙기의 최초기 즉, 현세 간빙기 직전의 빙기 (Wisconsin 혹은 Wurm) 후기에 위치하였던 해수면(약 18000y.B.P.)에 관련된 퇴적상과 그 당시의 연안해저지형의 특징이 본 연구결과의 하나로서 규명되었다.