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FRP방수용수지의 경화과정의 수축력 측정방법 개발과 수축력측정
표순주,田中亨二,정상진 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Unsaturated polyester resin for FRP waterproofing membranes have a disadvantage of shrinking in the process from liquid to solid state. It is fundamentally needed to estimate induced contraction stress of the resin for designing a good waterproofing membrane system. A new technique, in which the resin is poured in a floating frame on liquid of large specific gravity and induced contraction stress is measured, was proposed in the paper. The technique was applied for some resin samples and it was made clear that contraction stress mainly developed in a few ten hours and reached to the levels of 0.1-0.4N/㎣.
한국 상장기업의 IT자본과 노동 및 비IT자본의 대체성에 관한 연구
문성배,홍동표 한국은행 2004 經濟分析 Vol.10 No.2
본 연구는 2000-2002년까지의 한국 164개 상장기업에 대한 자료를 이용하여 IT자본과 노동 및 비IT자본간의 대체탄력성(elasticity of substitution)을 측정하였다. 특히 생산요소간 대체성의 척도로서 널리 쓰이고 있는 Allen 대체탄력성(Allen elasticity of substitution)의 문제점을 지적하고 Allen 대체탄력성 뿐만 아니라, 가격탄력성, Morishima 대체탄력성(Morishima elasticity of substitution), 그리고 shadow 대체탄력성(shadow elasticity of substitution)을 측정하였다. 본 연구의 추정결과에 따르면, 첫째, IT자본은 노동과 비IT자본에 대한 대체재(substitute)인 것으로 나타났으며, 우리나라 기업들의 경우 IT자본이 노동을 대체하는 정도보다 IT자본이 비IT자본을 대체하는 정도가 큰 것으로 나타났다. 또한 비제조업보다는 제조업에서, 정보화가 덜 된 기업들보다는 정보화가 많이 된 기업들에서 IT자본의 노동과 비IT자본에 대한 대체성이 강한 것으로 나타났다. This paper examines the substitutability of IT capital for other inputs, such as labor and non-IT capital, using the data on 164 Korean firms from the period of 2000-2002. Estimating various elasticities of substitution between IT capital and other inputs, we find that IT capital is a substitute for labor and non-IT capital. In particular, we find that IT capital is more substitutable for non-IT capital than for labor. We also find that the estimated elasticities of substitution between IT capital and other inputs are higher for manufacturing firms than for non-manufacturing firms, and higher for IT-intensive firms than for less-IT-intensive firms.
表榮熙,朴成惠 誠信女子大學校 生活文化硏究所 1992 生活文化硏究 Vol.6 No.-
제분산업의 부산물로 얻어지는 소맥배아(wheat germ)의 화학적 조성은 다음과 같다. 1. 일반성분은 조섬유소의 함량이 42.88%로 가장 높았고 조단백질(21.57%), 조지방(9.88%), 당(11.10%), 수분(10.80%) 그리고 회분(3.77%)의 순으로 나타났다. 2. 조단백성분을 이루는 각 아미노산의 함량은 Glycine과 Lysine의 함량이 각각 221.06, 216.00mg/100g으로 가장 높았고 Threonine, Glutamic acid, Proline 등의 아미노산함유율도 비교적 높았으며 Tryptophan, Valine, Methionine, Leucine, Isoleucine 등의 필수아미노산의 종류로 골고루 함유되어 있었다. 3. 소맥배아의 무기질성분은 K, Mg, Ca. Mn, Zn, Fe, 그리고 Cu의 순으로 함유율이 높았으며 특히 K의 함량은 다른 성분에 비해 1495. 25mg/100g을 나타내어 매우 함유율이 높았으나 Na성분은 검출되지 않았다. 4. 소맥배아중의 식이섬유소의 함량은 16.0-18.1%로 나타났다. 5. 소맥배아유의 지방산조성은 linoleic acid가 59.9%로 가장 높았고 palmitic, oleic, linolenic 그리고 stearic acid의 순으로 나타났다. 이 중 PUFA의 함유율은 65%이상이었고 포화지방산은palmitic acid가 17.7%로 나타나 전체 포화지방산 함량의 96%를 차지하였다. 6. 소맥배아유의 토코페롤 함량은 충 463mg/100g으로 나타났으며 그 중 65% 정도가 α-tocopherol로 301mg/100g이었고, β-tocopherol은 150mg/100g으로 30%를 차지하였다. 그밖에 d-tocopherol이 미량 검출되었으나 γ-tocopherol은 발견되지 않았다. The chemical composition of wheat germ, which can be recovered as a by-product of the flour milling industry were summerized as follows. 1. Overall chemical composition of wheat germ has a higher crude fiber content, 42.88%, followed by crude proteins(21.57%), crude lipids(9.88%), sugars(11.10%), water(10.80%), and ash(3.77). 2. The amino acid contents of germ protein were In order of Glycine, Lysine, Threonine, Glutamic acid, Proline, Arginine, Alanine, Tryptophan, Leucine. The germ protein has also rich in the essential amino acids Valine, Methionine and Isoleucine in which many of the cereals are deficient. 3. The elements contributing to ash of wheat germ showed high contents of the trace mineral elements from K, Mg, Ca, Mn, Zn, Fe, and Cu. Potassium content of germ minerals was greater than that of the other mineral elements as 1495.25mg/100g. But sodium element of germ mineral not detected. Wheat germ contained high concentrations of nutritionally important trace elements like zinc, manganese, copper, iron, and selenium. 4. The dietary fiber contents of wheat germ by frosty AOAC method were 16.0∼18.1%. 5. Fatty acid cotents of lipids of wheat germ were In order of linoleic, palmitic, oleic, linolenic. and stearic acid. The PUFA contents of the total fatty acid composition were65%. Palmitic arid, the principle fatty acid, formed 96% of the total saturated fatty acids. 6. Tocopherol compositions of wheat germ oil determined Identifiable tocopherol, α-,β-, and δ-tocopherol. Alpha(301mg/100g)-, and Beta-tocopherol(150mg/100g) contents of the total tocopherol(463mg/100g) compositions was 65%, 30% respectively and δ-to-copherol contents was trace. But γ-tocopherol of tocopherol isomers in wheat germ oil not detected.
인장력을 받는 ㄱ형강 접합부의 감소계수 U값에 관한 연구
표영석,윤성호,나승욱,신영록,김보영,최문식 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2(구조계)
This study focuses on the inspect of effective net area design code, according to limited state design criteria of steel structures, recently established in Korea, by an experiment on the joint of angle tension members on the ground. reduction factor. The methods of this study were to compare other study results on effective net area rupture mode and ultimate capacity, and to evaluate the propriety of the criteria design code. The result is that code in force limited state design criteria of steel structures and AISC-LRFD joint of angle tension members predicted load and experiment depend on ultimate capacity difference. Therefore, it is thought that there is need for supplemental test and study to effective net area of tension joint focused on bolted connection of angle.
표경식,박상학,김상훈,조용래,김학렬,문경래 조선대학교 2001 The Medical Journal of Chosun University Vol.26 No.2
Background and Objectives : To study the prevalence of ADHD in urban elementary school children using the Korean version of the disruptive behavior disorders parent rating scale. Materials and methods : 6,372 students from seven urban elementary schools were targeted using the parent rating scale. Results : (1)The total ADHD prevalence was 6.1%. It can be broken down as follows: 4.1% was the Inattentive type, 1.0% was the Hyperactive-impulsive type and 1.1% was the Combined type. 8.3% occurred in male students and 3.9% occurred in female students. The prevalence in boys was significantly higher. (2) The prevalence of Conduct Disorder(CD) was 0.3%: 0.2% for male students and 0.3% for female students. There was no significant difference between girls and boys. (3) The prevalence of Oppositional Defiant Disorder(ODD) was 4.4%: 5.0% for boys and 3.9% for girls. The value for boys was significantly higher. (4) A statistically significant difference between grades was found with ADHD, but no significant difference between grades was found with CD and ODD. (5) In the results of the comorbidity research, ADHD accompanied by CD was 2.3%. ADHD accompanied by ODD was 25.5%. ADHD accompanied by both CD and ODD was 4.1%. (6) Mild forms of ADHD, CD and ODD were found four times more often than that observed in typical cases. Conclusion : Prevalence of ADHD in urban elementary schools is high and CD or ODD is accompanied more frequently. In the future, the school mental health project should be focused mainly on ADHD. From the beginning of urban elementary schools, ADHD should be screened for. Intervention is required depending on whether or not there are accompanying diseases.
아동의 또래지위와 우정의 질 및 친구간 갈등해결전략과의 관계
김표선,성영혜 숙명여자대학교 아동연구소 2004 兒童硏究 Vol.17 No.2
The purpose of this study is to find to relationship among the children's peer status, friendship quality, and conflict resolution strategie in children's friendship. The object of this study were 417 children in 5th grade of elementary school in Seoul. The measuring instruments used for study were peer nomination developed by Coie and Dodge(1983), Friendship Quality Scale developed by Lee and Koh(1999) and a Scale on Friendship Conflict Resolution Strategies (Rhee, Koh & Oh, 2000). The Collected data was analyzed by SPSSWIN statistical program. The frequency and percentage were calculated to investigate the general characteristics of the subjects. One-Way analysis was performed to find relationship among the children's peer status, friendship quality Mutiple Regression was performend to find relationship among the children's peer status, friendship quality, and conflict resolution strategie in children's friendship. The major results of this study are as follows, First, concerning about peer status and friendship quality, pouplar group have a positive friendship but, rejected group have a conflictive friendship. Second, while popular group used various strategy in conflict resolution, neglected group used evasive strategy. Third, concerning about relation between quality of friendship and frienship conflict resolution strategy, while the group which has high degree of emotional stability, intimacy and human desire used negotiation, cooperation and concession strategy, the group with has low degree of cooperation and pleasure of friendship used evasion and away strategy. Fourth, concerning the effect of friendship quality according to peer status which influence conflict resolution strategy between friendship, each popular, average, rejected and neglected group gas different quality of friendship and according the lower factor of friendship quality, each group has different conflict resolution strategy. Therefore I suggest that according to the peer status, arbitration program should be selected with propriety.
표재수,이상우,김주현 경상대학교 농업생명과학연구원 2001 농업생명과학연구 Vol.35 No.-
우수한 당근 품종육성을 위한 기초자료를 얻고자, 육성 계통들 중에서 선발된 재료를 사용하여 어떤 형질이 根重에 크게 영향하는가를 확인코자 하였다. 2년에 걸쳐 봄, 가을 재배작형에 대해 시험한 결과를 상관 및 경로계수 분석을 통하여 根重에 미치는 여러 형질의 직ㆍ간접효과를 조사한 바, 봄, 가을, 재배 년도의 구분 없이 葉重과 全重의 직접효과가 매우 컸고, 나머지 형질들의 직접효과는 크지 않았다. 직접효과에 있어서도 全重은 정의 방향, 葉重은 부의 방향으로 달리 영향하는 것으로 나타났다. 나머지 형질들 중 葉重, 根首徑, 根徑, 葉長 등은 根重에 대한 직접효과는 크지 않았지만 全重을 통한 간접적 효과가 인정되었다. This study was conducted to clarify the direct and indirect effects of major morphological characters affecting root weight of carrot. The field experiment was carried out two times in 1991 and 1995. Root weight, number of leaf, leaf length, crown diameter, root diameter, root length, branch root, root cracking, bolting, uniformity, root-tail form, root shape, leaf weight, total weight, smoothness of root skin and hypertrophy of root were investigated. Major characters which had a direct effect on root weight were leaf weight and total weight. Total weight contributed positively towards root weight, but leaf weight had a negative effect. Number of leaves, leaf length, crown diameter, and root diameter did not have a direct influence on root weight, but they affected indirectly on root weight through increasing of total weight.
해운대 신시가지 아파트 단지의 도시설계 역할 및 평가에 관한 연구
표상호,최창환 동아대학교 건설기술연구소 1999 硏究報告 Vol.23 No.2
This study analyzed the applied condition of urban design introduced to Haeundai new town to confirm the object of apartment complex about the residential patterns. And also it choosed apartment complex bulit in Haeundai new town and then analyzed applied improvement plan to make the urban design guideline exert efficiently, and finally find more appropriate process of urban design.
표현석,김성배,김상모,이창남,김상섭,김규석 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Connection is necessary element of every structure. Connection is important element to increase composition rate of composite beam. Welding joint has been used at composit beam-column connection. Welding joint's quality control is harder than high strength bolt's one. This study based on the experiments of 4 specimens by beam-column connection test. In this paper, we analyze behavior of composite beam-column connection through an experimental study and wish to present application possibility to TSC beam.