• 인간행동과 음악연구
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• 제3권1호
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• pp.29-62
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• 2006

유아기는 발달의 가소성이 높은 시기로써, 이 시기에 적절한 발달 과정을 거쳐서 성장한 유아들은 학령기에서 성인기까지 긍정적인 영향을 미친다. 따라서 유아를 대상으로 교육을 할 때 발달 특징을 충분히 이해하고, 단계별로 진행되는 적합한 교육 프로그램을 제공하여 유아가 균형적이며 전인적인 발달을 하게 하는 것이 중요하다. 반면, 유아를 교육할 때는 신뢰를 형성하고 유용한 관계를 발전시키는데 있어서 즐거움을 갖게 하는 것이 중요한데, 음악은 즐거운 교육 환경을 제공하고 참여하도록 유도하며 음악의 다양한 요소를 활용한 음악 활동은 유아의 각 영역별 발달을 촉진하는데 효과적으로 사용될 수 있다. 음악치료에서는 이러한 음악의 효율적인 사용을 통해서 대상자의 연령별 수준에 맞는 음악 활동의 과정을 단계적으로 계획하여 대상자로 하여금 긍정적인 경험을 제공하고, 성장을 돕는 것을 궁극적인 목표로 한다. 유아는 운동, 인지, 언어, 사회성과 정서 영역에서 각각 발달의 특징을 보이며, 각 영역의 발달을 위한 음악적 접근 방법이 많은 선행 연구들에서 모색되어져 왔다. 본 연구에서는 이러한 선행연구와 이론을 토대로 유아의 영역별 발달 단계를 구분하고, 각 발달 단계에 따른 세부 목표를 설정하여 목표 달성과 발달 촉진을 위한 음악치료 교육 및 음악적 접근 방법을 적용한 음악치료 교육 활동을 연구, 개발하였다. 연구방법은 크게 문헌 조사와 검사지 조사 방법을 사용하였다. 문헌 조사는 유아의 영역별 발달 특징과 음악적 접근을 모색한 선행 연구를 파악하는 단계에서 활용 되었으며, 이를 실제 유아의 발달 단계에 적용하여 적합한 음악치료 교육 활동을 개발하는 과정에서 전문가의 검토를 받는 검사지 조사 방법을 사용하였다. 개발된 활동들은 관련 영역의 전문가 5명으로부터 타당도를 검토 받았으며, 검토 분석 결과, 유아의 영역별 발달 단계와 각 단계별 목표를 달성하기 위한 음악 활동의 구성이 적합하고, 현장에서 활용하기에 유용성과 효율성이 있으며, 유아의 영역별 발달 촉진에 적합하게 사용될 수 있는 것으로 나타났다. 아울러 본 연구에서는 각 전문가들의 의견을 수렴하여 음악치료 교육 활동을 수정, 보완하여 제시하였다. 이는 유아를 교육하는 현장에서 유아의 발달을 촉진하는데 효과적으로 사용될 수 있을 것이며, 음악치료를 하는 현장에서는 치료사들이 장애아동을 치료하는데 단계별 수준에 적합하게 적용하여 활용할 수 있을 것이다.

• 한국산업정보학회:학술대회논문집
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• 한국산업정보학회 2001년도 춘계학술대회논문집:21세기 신지식정보의 창출
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• pp.129-133
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• 2001

Accelerated life test is a viable method for identifying failure modes, incorporating design changes on an on-going basis during the early stages of automotive development program. The information from tests at high stress levels is extrapolated to obtain estimate of life at normal stress levels. This paper presents a practical method for accelerated life test to achieve a specified accuracy in estimating life at a design stress. Recommended and optimum plan are presented and the plans are illustrated with a simulated test data for the automotive power element example.

• Toxicological Research
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• 제18권4호
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• pp.311-324
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• 2002

Toxicokinetic studies are intended to provide critical evaluation of drug disposition at toxico-logical doses and help understand the relationship between blood or tissue levels and the time course of toxic events. Relatively high dose levels wed in toxicokinetics, compared to pharmacokinetics, complicates absorption, protein binding, metabolism and elimination processes. In this mini review, frequently wed toxicokinetic models such as linear compartment models, physiological models, and nonlinear kinetic mod-ec are introduced. In addition, optimization of toxicokinetic studies, their role in the drug development process, and prediction oj human toxicokinetics based on animal data by interspecies scaling are briefly discussed.

• 한국군사과학기술학회지
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• 제19권3호
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• pp.404-414
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• 2016

Autonomy of unmanned systems is important because the unmanned system with high level of autonomy is able to perform desired tasks in unstructured environments without continuous human guidance. Evaluation of their autonomy is vital to realize the autonomous operation ability of unmanned system. Compared to the methods of evaluating the level of autonomy(LOA) for an unmanned ground vehicle(UGV) and unmanned aerial vehicle(UAV), the method of expressing the LOA of unmanned maritime system(UMS) is not established yet. Since UMS has a unique characteristics in terms of operational area, mission complexity and required technologies, compared to the UGV and UAV, it is required to establish for expressing the LOA for UMS. This paper reviews the current approaches to assess the LOA of unmanned system and proposes potential metrics for UMS in order to determine the autonomy levels of UMS.

• 산업경영시스템학회지
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• 제34권2호
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• pp.19-29
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• 2011

The uncertainty of a project generates risks hindering the goal achievement of the project, and the risks affect the success or failure of the project significantly. Risk management, a part of the project management, includes various processes, and there are also various tools or techniques applicable to that. In an organization, the application of project management develops gradually from low to high maturity, and the organization should choose and implement a method of application proper for the level of its maturity. This article suggests a method to reduce inefficiency of the management and how to apply risk management by levels of maturity for easier application. For this, the stages of project management maturity levels were divided into the introduction, development, and maturity step, and methods of risk management suitable for each stage were applied. And methods of risk management that need to be applied by the levels of project maturity are divided into three factors : risk management processes, risk management tools and techniques, and risk management standards and templates. It is expected to be favorable approaches for the application of risk management in an organization to divide those factors into more concrete processes, tools, techniques, and standards and apply them by the levels of management maturity.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2022년도 추계학술대회
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• pp.123-123
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• 2022

In order to evaluate the effect of nitrogen application levels on yield and protein content of rice varieties, a field experiment was conducted at National Institute of Crop Science of Korea in 2020. Five levels(0, 3, 5, 7, and 9 kg·10a^-1) of nitrogen fertilizer were treated to six Korean rice varieties. The nitrogen uptake amount, soil nitrogen content before and after rice cultivation, milled rice yield, and protein content in head rice were analyzed. As the treatment of nitrogen fertilizer increased, the nitrogen uptake amount of plants increased significantly. However, changes in nitrogen content in the soil before and after rice cultivation were different for each cultivar. The amount of nitrogen change in the soil decreased as the amount of nitrogen application increased in the three cultivars of Haepum, Gopum, and Odae, and the other three cultivars showed the opposite trend. As a result of correlation analysis of nitrogen application amount, nitrogen uptake amount, milled rice yield, and protein content of head rice, the five varieties except for Haepum showed a high correlation between these factors. The amount of nitrogen application and nitrogen uptake of plant showed a positive correlation about the milled rice yield and protein content of head rice. In particular, the protein content in head rice appeared to be more affected by nitrogen uptake amount than nitrogen application amount. As a result of this study, the yield and protein content of rice had positive correlations with the level of nitrogen fertilizer, and had a high correlation with the nitrogen absorption of plants.

• The Korean Journal of Physiology
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• 제16권2호
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• pp.137-146
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• 1982

The present study was undertaken to find out fasting total plasma cholesterol levels of SHR at different phases(labile, established and malignant) in the course of hypertension development and also to investigate effect of nicotine on plasma cholesterol levels of these animals. In nicotine administered group, 2.18 mg/kg nicotine was given daily for six weeks. The results obtained are as follows; 1) Mean total plasma cholesterol levels of SHR at labile, established and malignant phases were $104.6{\pm}3.1\;mg/dl$, $120.8{\pm}2.6\;mg/dl$ and $136.6{\pm}2.5\;mg/dl$ respectively. The total plasma cholesterol level generally increased with age of experimental animals. 2) After administration of nicotine (2.18 mg/kg/day) for six weeks, mean total plasma cholesterol levels of SHR at labile, established and malignant phases were $130.2{\pm}3.1\;mg/dl$, $150.4{\pm}3.3\;mg/dl$ and $166.6{\pm}3.2\;mg/dl$, respectively. The result of present study strongly suggests that nicotine has a positive relationship with plasma cholesterol levels in SHR.

• 한국발생생물학회지:발생과생식
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• 제14권3호
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• pp.207-214
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• 2010

The tremendous changes of uterine endometrium are observed during early pregnancy and protease and their inhibitors are involved in regulation of cell proliferation and remodeling of the tissues through remodeling the extracellular matrix (ECM). Some of the proteases and protease inhibitors have been suspected to a factor in endometrial changes but many parts of their expression profiles and the physiological roles are not uncovered. To evaluate the functional roles of them, in this study the expression profiles of proteases and protease inhibitors were analyzed using real-time quantitative PCR analysis. Mmp9 (matrix metalloproteinase 9) mRNA levels peaked on day 4 at the time of implantation. On the other hand, Ela2 (neutrophil elastase, NE) mRNA levels were peaked on day 2 of pregnancy. Its expression were decreased until day 4 of pregnancy but increased rapidly until day 7 of pregnancy and decreased again. NE inhibitor Slpi (secretory leukocyte protease inhibitor, SLPI) mRNA levels were related with the implantation stage and with the levels of Ela2. At the time of implantation the expression levels of Slpi mRNA were about 5 times higher than the Ela2 mRNA in the uterus. In the implantation stage embryos, Mmp9 specific mRNA was only detected at the blastocyst. On the other hand, the expression level of SLPI was higher than that of the Ela2 mRNA at blastocyst and 4.5 day p.c. embryos. Based on these results it is suggested that MMP9, SLPI, and NE have important physiological role in embryo implantation both in uterus and embryos.

• 보건교육건강증진학회지
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• 제10권2호
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• pp.22-31
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• 1993

Presently, in the countries, such as America and Japan which are better in socio-economical conditions than Korea, in Taiwan which is similar in them to us, and even in Thailand and Philippine which are thought lower in them, health education is taught as one of curricular subjects in elementary and secondary school levels. In Korea, however, the importance of teaching health education as a curricular subject has been recognized among many professionals of health since a long time ago. Along with current rapid development of polytechnique and industry, various kinds of serious health hazard have appeared even in our daily life, so it has been urgently needed that people have comprehensive knowledge and skills to resolve one's own health problems. Among various conditions needed to resolve the health problems in our society, it is one of the most effective precedures that health education is taught as a curricular subject at least in elementary and secondary school levels. For this, the followings are inevitable ; reformation of school health organization and laws involving health, development of teaching materials in health and training of health educators.

• 한국수학교육학회지시리즈D:수학교육연구
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• 제14권3호
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• pp.309-322
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• 2010

What is learning in the math classroom? Does a new term need to be coined for learning? Is the term over-used and it has lost it meaning? The responses of one hundred five teacher-candidates and graduate students were coded using the five levels researcher designed rubric which was modeled after Bloom's Taxonomy for depth of knowledge. The effects of understanding learning include the preparation of lesson plans, classroom instruction, the guiding of student learning, and the professional development of teacher leaders.