• 한국연초학회지
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• 제12권2호
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• pp.91-101
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• 1990

A field experiment was conducted to find out the effects of field productivity, variety and nitrogen rate on the yield, quality, chemical constituents and physical properties of burley cured leaf in three field with different productivity(Degree of field productivity: A ; high, B ; medium, C : low) during successive two years(1988~89). The yield and quality were remarkably lowered when nitrogen fertilizer being applied much in low productive field. As compared with Burley 21, KB101 showed high yield, particularly the yield of KB101 in low productive field was relatively high. The effect of nitrogen rate on the yield was somewhat different according to field productivity and production year. When the nitrogen fertilizer being applied above 22.5kg/10a, the added nitrogen had no effect on the yield. Total nitrogen content of cured leaf grown in low productive field was high while total alkaloid was low, therefore total alkaloid/total nitrogen ratio was remarkably low. The lightness, red and yellow color of cured leaf grown in low productive field was remarkably low. As compared with Burley 21, the contents of total alkaloid and total nitrogen and shatter resistance index of cured leaf was somewhat low, while the filling power, lightness, red and yellow color were slightly high. Total nitrogen content of cured leaf was increased remarkably by nitrogen addition, but total alkaloid was not increased though the nitrogen fertilizer being applied above 22.5kg/10a. The filling power and shatter resistance index of cured leaf grown in high nitrogen plot, and the lightness and yellow color were low while the red color was relatively high. It comes into question that the visual quality being increased as well as increment of yield and nitrogenous compounds by nitrogen addition in high productive field. In low productive field, it is considerable that nitrogen addition for high yield should be prohibited because it causes the decrement of yield and quality, on the contrary.

• 한국공작기계학회논문집
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• 제13권3호
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• pp.37-43
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• 2004

The purpose of this study is to develop a practical image inspection system that could recognize it correctly, endowing flexibility to the productive field, although the same object for work will be changed in the size and rotated. In this experiment, it selected a fighter, rotating the direction from $30^{\circ}$ to $45^{\circ}$ simultaneously while changing the size from 1/4 to 1/16, as an object inspection without using another hardware for exclusive image processing. The invariant moments, Hu has suggested, was used as feature vector moment descriptor. As a result of the experiment, the image inspection system developed from this research was operated in real-time regardless of the chance of size and rotation for the object inspection, and it maintained the correspondent rates steadily above from 94% to 96%. Accordingly, it is considered as the flexibility can be considerably endowed to the factory automation when the image inspection system developed from this research is applied to the productive field.

• 한국조명전기설비학회:학술대회논문집
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• 한국조명전기설비학회 2004년도 춘계학술대회 논문집
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• pp.479-485
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• 2004

The purpose of this study is to develop a practical image inspection system that could recognize it correctly, endowing flexibility to the productive field, although the same object for work will be changed in the size and rotated. In this experiment, it selected a fighter, rotating the direction from $30^{\circ}\;to\;45^{\circ}$ simultaneously while changing the size from 1/4 to 1/16, as an object inspection without using another hardware for exclusive image processing. The invariant moments, Hu has suggested, was used as feature vector moment descriptor. As a result of the experiment the image inspection system developed from this research was operated in real-time regardless of the chance of size and rotation for the object inspection, and it maintained the correspondent rates steadily above from 94% to 96%. Accordingly, it is considered as the flexibility can be considerably endowed to the factory automation when the image inspection system developed from this research is applied to the productive field.

• 한국토양비료학회지
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• 제6권3호
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• pp.173-177
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• 1973

장려품종이며 온대형질(溫帶形質)인 진흥(振興)과 열대형질(熱帶形質)인 다수성신품종(多收性新品種) IR667을 사용(使用)하여 포장조건(圃場條件)에서 질소(窒素) 수준(水準)에 따른 생산반응을 비교(比較) 검토(檢討)하여 본 결과(結果) 다음과 같다. 1. IR667은 진흥(振興)에 비(比)하여 질소고수준(窒素高水準)에서 엽면적(葉面積) 및 수량(收量)이 높고, 2. 질소증시(窒素增施)에 따른 수수(穗數), 입수(粒數), 입종(粒重), 등숙율(登熟率)의 증가(增加)가 더 크며, 3. 단위시비질소당(單位施肥窒素當) 곡실(穀實) 및 엽면적(葉面積) 생산효율이 높으며, 4. 단위엽면적당(單位葉面積當) 곡실생산력이 높았으며, 5. IR667은 수수(穗數) 및 입수형(粒數型)인데 비하여 진흥(振興)은 입종형(粒重型)이었다. 6. 이상(以上)의 제특성(諸特性)은 IR667이 진흥(振興)에 비하여 포장(圃場)에서 강(强)한 생산성내비성임을 보여주었다.

• 한국과학교육학회지
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• 제41권3호
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• pp.193-202
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• 2021

본 연구에서는 과학 논변 활동에 참여하는 학생들이 비생산적, 생산적 논변 실행에서 각각 어떠한 인식론적 자원들을 활성화시키는지 탐색하고, 논변 실행 변화에 어떤 맥락이 기여하는지를 알아보고자 하였다. 이를 위해 과학 논변 활동에 참여한 소집단 학생들의 수업 실행과 면담을 녹화 및 녹음하여 전사했으며, 학생 활동지와 연구자의 필드노트를 수집하여 본 연구의 분석 자료로 활용하였다. 분석 결과, 초점 집단은 비생산적 실행에서 전파, 신뢰, 축적 자원을 활성화시키다가 생산적 실행에서 구성, 이해, 축적, 형성, 반박 자원을 활성화시키는 것으로 나타났다. 이러한 인식론적 자원 변화에 따른 실행 변화에 기여한 맥락은 친숙하지 않은 형태의 논변 과제가 제공된 것과 더불어 소집단 내 인식적 권위자의 정서적, 인식적, 개념적 지원이 작용한 것으로 분석되었다. 본 연구는 학습자의 맥락 의존적인 인식론에 따른 실행 변화를 분석하는 연구들에 추가적인 사례 연구로 제공될 수 있으며, 추후 학생들의 진정한 과학 참여를 위해 생산적인 인식론의 형성 및 안정화에 대한 논의에 기여할 수 있을 것으로 기대한다.

• International Journal of Knowledge Content Development & Technology
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• 제10권2호
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• pp.51-69
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• 2020

This paper describes global research in the field of augmented reality (22078) as indexed in Scopus database during 1992-2019, using a series of bibliometric indicators. The augmented reality (AR) research registered high 54.23% growth, averaged citation impact of 8.90 citations per paper. Nearly 1% of global output in the subject (226 papers) registered high-end citations (100+) per paper. The top 15 countries accounted for 87.05% of global publications output in the subject. The USA is in leadership position for its highest publications productivity (19.25% global share). The U.K. leads the world on relative citation index (2.05). International collaboration has been a major driver of AR research pursuits; between 11.89% and 44.04% of national share of top 15 countries in AR research appeared as international collaborative publications. AR research productivity by application types was the largest across sectors, such as education, industry and medical. Computer science has emerged as the most popular areas in AR research pursuits. Technical University of Munich, Germany and Osaka University, Japan have been the most productive organizations and Nara Institute of S&T, Japan (66.55 and 7.48) and Imperial College, London, U.K. (57.14 and 6.42) have been the most impactful organizations. M. Billinghurst and N. Navab have been the most productive authors and S. Feiner and B. MacIntyre have been the most impactful authors. IEEE Transactions on Visualization & Computer Graphics, Multimedia Tools & Applications and Virtual Reality topped the list of most productive journals.

• The Journal of Asian Finance, Economics and Business
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• 제7권9호
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• pp.769-779
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• 2020

Self-efficacy has been extensively evaluated, but no studies have investigated the effect of self-efficacy on the self-reliance of women in poor-households economic productivity. This study analyzes self-efficacy as a personal factor, learning processes, and social support as an environmental factor towards the achievement of self-reliance in women from poor-households in productive economy businesses. Despite the dominant logic of this scheme, there is a need for field-based data regarding whether the variable really supports the sustainable empowerment of poor-households women. This study used the quantitative method through the survey technique. The samples of this study included 250 people collected from five regencies in Indonesia by using a multiple-stage random sampling. The data were analyzed with structural equation modeling. The results show that social support has a significant positive impact on the learning process; social support has a direct negative impact on self-efficacy. The learning process has a direct positive influence on self-efficacy, while social support has a non-significant impact on self-reliance. The learning process has a direct influence on self-reliance. Social support and the learning process both have significant positive impact on self-efficacy. Social support, learning process, and self-efficacy simultaneously have a positive impact on self-reliance in productive economic activities.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2008년도 추계 학술발표회
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• pp.806-813
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• 2008

In this research, mainly research about the structural and functional stability of sea dyke with variation of seepage condition after final closure. The piezometric head (water head in embankment) monitoring system was installed at two representative final closure section. The dredged fine sand filling condition was evaluated by in-situ test results. Also, the numerical analysis was performed to determine the permeability of bottom protection layer filled with dredged fine sand by monitoring results. According to numerical back analysis results, the coefficient of permeability of bottom protection section of is $7.6{\times}10^{-6}$ m/sec. These results are noted that the bottom protection layer of sea dyke was strong and intensively filled with dredged sand. Also, based on the seepage analysis, the seepage flux of this sea dyke was calculated about $2.42m^3$/day/m which is 29% decreased value compare with adjacent sea dyke.

• Applied Biological Chemistry
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• 제14권2호
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• pp.109-116
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• 1971

기후 토양 시비조건이 다른 수개포장에서 자란 벼의 유황영양상태를 조사한 결과 아래와 같다. 1. 이앙후 30 일경 유황결핍포장의 수도체내 유황의 임계함량(critical percentage)은 0.2%이상인것 같다. 2. 수확기 S 함량평균치는 이삭과 짚에서 각각 0.22% 및 0.43%이고 유안시비는 짚에서의 농도를 더욱 높였다. 3. 볏짚과 이삭의 S 함량비는 유안시비구에서만 위도가 낮을수록 증가하는 경향이나 이삭에의 전이율은 이와 관계없고 시비구에서 평균 26% 무비구에서 29%였다. 4. 유황흡수량은 무비구에서 6kg/10a 시비구에서 10 kg이었다. 5. 부위별 유량함량은 엽신+엽초>간>이삭의 순서이며 어느부위서나 저수답벼에서 높았다.

• Journal of Information Science Theory and Practice
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• 제2권3호
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• pp.40-54
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• 2014

This paper attempts to highlight quantitatively the growth and development of literature in the field of ecology in terms of publication output using the resource Web of Science$^{(R)}$. The focus of this analysis was to study the literature on ecology published in three journals, viz., Ecology Letters, Trends in Ecology & Evolution, and Annual Review of Ecology Evolution and Systematics. 2946 records were retrieved for 10 years (2003-2012). The study revealed that multiple authorship in the field with collaborations of two (30.31%) and three authors (19.89%) was dominant. The Degree of collaboration, Collaborative coefficient, and Collaborative index were calculated and the applicability of Lotka's law was tested. The study identified five-year patterns in research trends, using the three studied journals, to see if the subjects of focus changed within a decade. The most productive institution was University Calif. Davis, USA, followed by University Calif. Santa Barbara, USA, and University Queensland, Australia, and the most productive countries were the USA followed by UK and Canada.