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- 저자 : 김용선(Kim Yong-Sun) (검색결과 163 건)
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Growth and Wear Tolerance of Creeping Bentgrass as Influenced by Silica and Potassium Fertilization
김용선,김기선,Kim, Yong-Seon,Kim, Ki-Sun Turfgrass Society of Korea 2012 한국잔디학회지 Vol.26 No.2
본 연구는 규산과 칼리 시용이 골프장 그린용 크리핑 벤트그래스 잔디의 생육과 품질 그리고 내답압성에 미치는 영향을 알아보기 위해 실시되었다. 먼저 규산과 칼리 시용에 따른 잔디반응을 살펴보기 위해서 필드조건에서 잔디품질, 뿌리길이, 잔디밀도와 건물중을 평가하였다. 다음으로 답압빈도에 따른 크리핑 벤트그래스의 잔디생육(뿌리길이, 잔디밀도, 건물중)과 잔디품질 및 토양경도를 조사하였다. 마지막으로 30일간의 답압처리조건에서 규산과 칼리의 내답압성 시비효과를 평가하였다. 규산 및 칼리 처리에 따른 잔디뿌리생육에 있어서 규산을 증가함에 따라 뿌리길이가 증가하였다. 크리핑 벤트그래스의 답압빈도에 따른 잔디품질은 1일 2회 처리구가 가장 우수하였으며, 7회 처리구는 무답압 처리구보다 우수하였다. 그러나 15회 이상 답압 처리구는 잔디품질이 월등히 저하하였다. 30일간의 답압처리시 규산 및 황산칼리의 시비효과는 잔디품질 향상 및 뿌리생육 증진효과가 있었다. 규산과 칼리를 처리하였을 때 잔디품질이 대조구보다 각각 6.38%, 10.25% 상승하였으며 규산과 칼리를 혼용 살포하였을 때 가장 잔디품질이 좋았다. 잔디 뿌리길이는 규산을 살포하였을 때 가장 길었으며 대조구보다 11.4%가 길었다. 따라서 답압이 예상되는 골프장 그린용 벤트그래스에서 잔디의 내답압성 증진을 위해서는 규산과 칼리의 시비가 효과적이었다. The study was conducted to know whether turfgrass wear tolerance, growth, and quality could be improved by the application of silicon and potassium. First, turf responses to silicate and potassium were evaluated by several parameters such as, turf visual quality, root length, shoot density, and dry weight under the field condition. Second, turf responses to traffic frequencies were examined by turf growth (root) length, shoot density and dry weight) and soil hardness under the field condition. Finally, under traffic stress condition, the effects of silica and potassium application on wear tolerance were evaluated through the methods described above. Creeping bentgrass (Agrostis stolonifera) rooting were significantly improved by silica. The root length was enhanced by an increase in potassium silicate application. Certain level of light traffic is beneficial while frequent traffic cause serious adverse effect on visual quality of bentgrass. Under a traffic stress condition with 10 times of footing a day for 30 days, silica and potassium increased turf visual quality by 6.38% and 10.25% respectively when compared to the control. Silica and potassium treatment on trafficked plot increased turf visual quality by 11.4% and 10.2% respectively in comparison with the control with significant reduction of wear injury from the traffic. A co-application of potassium silicate with potassium sulfate provided the enhanced visual quality of turf as compared to application of silica or potassium fertilizer, respectively.
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김용선,정규철,Kim, Yong-Sun,Chung, Kyou-Chull 대한예방의학회 1982 Journal of Preventive Medicine and Public Health Vol.15 No.1
Normal range of mercury contents in blood and its relationship with urinary mercury excretion were studies with 68 healthy male adults living in Seoul city, who had no obvious evidence of .either occupational exposure to mercury or therapeutic use of mercurial agents. Mercury analysis was made by means of dithizone colorimetric method with coefficient of variation of 10.9% in .an average ranging from 5.1% to 18.0%. 1. Mercury contents in normal human blood were both normally and log-normally distributed, and better fitted to the latter. 2. Geometric mean and standard deviation of the mercury contents were $24.0(log^{-1}1.38){\pm}1.66{\mu}g/100ml(log^{-1}0.22{\mu}g/100ml)$ ranging from 7.2 to 79.7 ${\mu}g/100ml$ with 95% confidence interval. 3. Mercury contents in normal human blood differed from person to person (p<0.01), and the variability of the measurements was negligible (p>0.05). 4. Mercury in the blood was contained much higher in erythrocytes than in plasma (p<0.01), showing the geometric means of $21.0{\pm}1.25{\mu}g/100ml$ in red blood cells and $14.3{\pm}1.62{\mu}g/100ml$ in plasma, respectively. 5. Mercury contents in normal human blood had a relationship of power function with mercury excretion in urine corrected with a gram of creatinine excretion per liter of urine (p<0.10).
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김용선,Kim, Yong-Sun 한국식품영양학회 2014 韓國食品營養學會誌 Vol.27 No.1
In this study, soybean is used to produce soymilk according to various extracting methods and heating time. Specifically, the soy slurry is being filtered before being heated, or heated before being filtered. Following that the soymilk produced is freeze-dried to be powdered, and then, the quality characteristics of the powdered soymilk are mutually compared to determine the applicability of various food additives. The freeze-dried soymilk powder shows 2.03~6.35% of moisture content, and in terms of unit quantity, retained more proteins, which suggests that the ratio of protein extraction is higher than any other nutrients. Accordingly, the protein coefficient is significantly higher in soymilk powder being heated and processed than in raw soybeans. In particular, protein coefficient is the highest in the soymilk which is heated for 20 minutes before being filtered (SHBF20). The longer the heating time was, the trypsin inhibitor (TI) tended to be far less active. Such an inactivation seems to be more apparent in the "SHAF" soymilk powder than "SHBF" soymilk powder. Because protein had to be denaturated by heating for soymilk, the nitrogen solubility index (NSI) of soymilk powder is decreased considerably, while the protein digestibility, water absorption, emulsification and foaming activity all increase. Oil absorption tends to decrease slightly. As discussed above, the soymilk heated for 10 minutes after being filtered (SHAF10) and the soymilk heated for 20 minutes before being filtered (SHBF20) show optimum processing conditions for soymilk powder.
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로짓모형을 활용한 잠재적 수요자의 역모기지 선택요인에 관한 연구 -인구학적 특성과 역모기지제도에 대한 인지 여부를 중심으로 -
김용선 ( Kim Yong Sun ),송명규 ( Song Myung Gyu ) 한국부동산학회 2012 不動産學報 Vol.50 No.-
1. CONTENTS (1) RESEARCH OBJECTIVES This study analyzes the problems of the current reverse mortgage system and suggests its reformative direction through the identification of potential consumers' reverse mortgage choice factors. (2) RESEARCH METHOD This study is based on a logit model with special reference to potential consumers' demographic characteristics and informations on reverse mortgage. (3) RESEARCH FINDINGS The factors affecting potential consumers' reverse mortgage choice turn out to be his or her age, housing style, monthly household income, whether he or she owns any additional housings, and whether he or she has some informations about the current reverse mortgage system. 2. RESULTS This study suggests that more flexible standards need to be examined in the establishment of requisite conditions to be reverse mortgage consumers so that more people of various classes become beneficiaries of that system.
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<바보사위> 설화 속 ‘지적장애’의 징후 - 사위의 암기강박과 처가의 이해와 수용 -
김용선(Kim, Yong-sun) 숭실대학교 한국문학과예술연구소 2021 한국문학과 예술 Vol.38 No.-
본고는 바보설화의 한 부류(部類)로 오랫동안 널리 분포 · 전승되어 온 〈바보사위〉민담을 지적장애의 징후로 읽어보았다. 서사 속에서 사위는 ‘미련한’ 인물로 그려지며 대체로 신랑 보다는 사위로의 입장이 부각된다. 이는 훌륭한 사위를 얻으려는 처가의 욕망과는 상충(相沖)되는 것이어서 흥미를 유발한다. 〈바보사위〉민담에는 설화 각 편마다 일종의 ‘과제’가 주어진다. 과제는 대체로 암기능력의 정도를 알아보려는 의도를 갖는다. 이는 사위의 지적능력을 ‘측정’할 수 있는 것이기도 하다. 장인을 대우하는 ‘태도’이거나 장모를 위하는‘행위’에서 사위는 특정한 언행을 반복한다. 강박적인 반복언행은 지적장애 징후의 하나이다. 이를 근거로 그가 정상범주의 학습능력을 갖고 있지 못한 것으로 판단할 수 있다. 장애학은 근대사회가 분리한 ‘장애’에 대한 차별적 사회현상을 인문학적으로 접근하는 학문체계이다. 장애학의 시선으로 지적장애 징후를 보이는 ‘바보사위’를 처가와 주변 인물들이 어떻게 수용하고 이해하는지 민담 갈래에 해당되는 구전서사를 통해 탐색했다. ‘과제→과제이탈→과제전환’의 서사구조는 처음 과제를 통해 보여주려는 의도를 완전히 벗어나 엉뚱한 결과를 불러오게 된다. 장인의 실망을 증폭시키거나 실수로 장모를 죽음에 이르게 하는 등 민중적 그로테스크 미학이 활용되기도 한다. 이는〈바보사위〉민담이 어디까지나 웃음을 유발하여 긴장을 완화시키는 소화(笑話)의 자장을 벗어나지 않음을 뜻한다. ‘바보사위’의 지적장애는 심각한 징후를 보임에도 불구하고 주변은 이를 받아들이는 방향으로 그려진다. 서사 속 사위의 장애는 결코 격리되거나 분리되어야 할 ‘해로움’이 아니라 혼인 유지에 문제로 작동되지 않으며 나아가 행복을 주는 ‘이로움’으로까지 나아간다. 장애인에 대한 타자화 현상이 강한 현대사회에 〈바보사위〉민담이 주는 민중의 수용미학은 일정한 시사점을 갖는다. This book read the folk tale of the 〈Foolish Son-in-law〉, which has long been widely distributed and handed down as a kind of stupid story, as a sign of intellectual disability. In the narrative, the son-in-law is portrayed as a "dumb" character, and generally the position of the son-in-law rather than the groom is highlighted. This creates interest as it conflicts with the desire of one"s wife to have a good son-in-law. A kind of "task" is given to each episode of the story. The task is largely intended to determine the degree of cancer function. This can also be a "measurement" of his son-in-law"s intellectual abilities. In an "attitude" to treat father-in-law or in an "act" for mother-in-law, the son-in-law repeats certain words and actions. Compulsive repetition is one of the manifestations of intellectual disability. Based on this, it can be judged that he does not have a normal category of learning ability. Disability study is an academic system that approaches the discriminatory social phenomena for "disability" separated by modern society in a way of humanity studies. This study explored the 〈Foolish Son-in-law〉, who shows signs of intellectual disability from the perspective of disability, through oral histories in the folktales that reveal how wife’s family and people around him accept and understand the foolish son-in-law. The narrative structure of “Task→Task Breakaway→Task Transformation” completely deviates from the intention to show the first task and brings out the wrong results. The popular grotesque aesthetics are sometimes used, such as amplifying the disappointment of the fathr-in-law or accidentally killing their mother-in-law. This means that the 〈Foolish Son-in-law〉folktales do not go beyond the small intestine of digestion that causes laughter and relieves tension. Even though the intellectual disability of the "foolish son-in-law" shows a serious sign, his surroundings are portrayed in the direction of accepting the given situations. The son-in-law"s disability in the narrative does not work as a problem in maintaining the matrimonial life and is not regarded as a "harm" that should be isolated or separated, but it turns into a "reason" that gives happiness. In today"s society, where typography for the disabled is strong, the public"s acceptance aesthetics given by the 〈Foolish Son-in-law〉folktale has certain implications.
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