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      • KCI등재

        한국과 일본 대학생의 스포츠상황에 대한 도덕적 가치판단수준 비교

        함정혜(Chung Hae Hahm) 한국여성체육학회 2013 한국여성체육학회지 Vol.27 No.1

        The purpose of this study was to compare the differences of moral reasoning among general students, sports related majors students, and student athletes in Korea and Japan University. We collected total 612 out of 700 (315 from Korea, 297 from Japan) and 88 questionnaires were excluded questionnaire due to incompleteness and unreliable data. For this study, Hahm-Bellar Values Choice Inventory-16(HBVCI-16), which is a Moral Reasoning Questionnaire on Sports Activities, was used. The collected data was analyzed by t-test, one way ANOVA and two way ANOVA with using SPSS Var. 17.0 statistical package program and result were as follow. First, the Japan student`s overall score of moral reasoning were lower compare to Korean university students. Second, there were 1 % higher score of moral reasoning in woman against man and in younger subjects. Sports majored university students presented 1% higher score against other related students and higher grade students presented 5% higher score against lower grade students. Third, among student athletes of Korea and Japan, although there were no significant differences, it was 0.1% higher among those who engaged in individual sports and 5% higher score in those who have less sports career.

      • KCI등재

        A Model for Computer-Aided Process Planning System in Flexible Manufacturing Systems

        Kang, Young-Sig,Hahm, Hyo-Joon,Rim, Suk-Chul,Kim, Seung-Baum The Korean Society for Quality Management 1994 품질경영학회지 Vol.22 No.1

        Most of computer-aided process planning(CAPP) systems have been developed to automate the process planning function. In this paper, we describe an analytical model for a CAPP system in order to improve the performance of production system in flexible manufacturing systems(FMSs) for computer intergrated manufacturing(CIM) architecture. This paper proposes an optimal process planning that minimizes the load time by minimizing the cycle time and the number of workstations using Kang and Hahm's heuristic approach so as to improve the performance of production system under the batch production of discrete products. We also perform simulation using SIMAN language to campare the line utilization of each for various product types. The proposed algorithm can be implemented in existing FMSs for on-line control of product quantity using programmable logic controllers(PLC) and communication devices.

      • KCI등재
      • Comparative Glycopeptide Analysis for Protein Glycosylation by Liquid Chromatography and Tandem Mass Spectrometry: Variation in Glycosylation Patterns of Site-Directed Mutagenized Glycoprotein

        Hahm, Young Hye,Hahm, Sung Ho,Jo, Hyoun Young,Ahn, Yeong Hee Hindawi 2018 International journal of analytical chemistry Vol.2018 No.-

        <P>Glycosylation is one of the most important posttranslational modifications for proteins, including therapeutic antibodies, and greatly influences protein physiochemical properties. In this study, glycopeptide mapping of a reference and biosimilar recombinant antibodies (rAbs) was performed using liquid chromatography-electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) and an automated Glycoproteome Analyzer (GPA) algorithm. The tandem mass analyses for the reference and biosimilar samples indicate that this approach proves to be highly efficient in reproducing consistent analytical results and discovering the implications of different rAb production methods on glycosylation patterns. Furthermore, the comparative analysis of a mutagenized rAb glycoprotein proved that a single amino acid mutation in the Fc portion of the antibody molecule caused increased variations in glycosylation patterns. These variations were also detected by the mass spectrometry method efficiently. This mapping method, focusing on precise glycopeptide identification and comparison for the identified glycoforms, can be useful in differentiating aberrant glycosylation in biosimilar rAb products.</P>

      • KCI등재
      • SSCISCOPUSKCI등재

        GREAT POWERS CONFIGURATION IN THE ASIA-PACLFIC REGLON: A KOREAN VIEW

        Hahm, Pyong-choon The Institute for Far Eastern Studies Kyungnam Uni 1980 ASIAN PERSPECTIVE Vol.4 No.1

        A nation's history and perception of its international political environment are largely conditioned and shaped by its geography. In the case of Korea this has been especially true. The Korean peninsula shares land borders with China and Russia to the north and is surrounded to the east and the south by the island chain of japan. Such a big-power encirclement by the three major powers of the world is unique has important security interests also in this part of the world. Thus, the interests of four largest world powers converge on th Korean peninsula as a focal point.

      • Development and Present Status of the Seed Potato Program in the Republic of Korea

        HAHM, YOUNG-IL,KIM, HWA-YEONG 江陵大學校東海岸地域硏究所 1993 東海岸硏究 Vol.4 No.1

        한국의 감자 종서 생산체계는 30년 이상의 역사를 지니고 있으나 1985년까지의 일반적인 발전과정이 Horton등(1988)에 의하여 단 한번 보고되었을 뿐이다. 따라서 본 논문에서는 1986년 이후의 변화를 포함한 한국의 종서 생산체계의 발전과정과 현황을 증식체계의 변화와 바이러스병의 발생을 중심으로 보고하고자 한다. 한국의 종서 생산체계는 1961년에 원원종과 보급종을 처음으로 생산한 이래 증식 및 검정체계가 몇차례 수정되어 현재까지 유지되고 있다. 그러나 1960년대와 1970년대에는 주로 종서의 공급량 증대에 중점을 두었을 뿐 바이러스병의 방제에는 소홀히 하였다. 결과적으로 1970년대 후반에는 종서의 바이러스 이병율이 증가하여 1979년에는 주요 재배작형에 필요한 보급종을 생산하지 못한 바 있다. 그후 조직배양 및 망실재배를 이용한 상위급 종서의 생산으로 1980년대 후반까지는 양질의 종서가 공급되었다. 그러나 1980년대 후반부터 종서의 엽권바이러스 이병율이 증가하여 1988년에는 주요 재배품종의 원종 생산에 실패한 바 있다. 이와같은 문제점을 극복하기 위하여 1989년부터 원원종 생산 단계까지 망실재배를 확대이용하고 있으며 엽권바이러스에 저항성인 신품종의 보급과 기내소피경을 이용한 종서 생산체계의 확립이 추진되고 있다. 더불어 1980년대 후반의 엽권바이러스 이병율 증가의 원인에 대하여 논하였다. The present paper reports the development and present status of the Seed Potato Program in the Republic of Korea with focuses on the change in multiplication system and the occurrence of virus diseases. The Seed Program began by producing the first Foundation and Certified Seed in 1961. During the 1960s and 1970s, the Seed Program primarily emphasized producing adequate amounts of seed potatoes and made relatively simple effort for virus control. As a result, the seed stocks became severely infected with viruses, and the Seed Program failed to produce Certified Seed for major cropping systems in 1979. Since the failure, tissue culture techniques and nethouse cultivation systems were introduced for the production of upper-grade seed stocks, effecting the production of Certified Seed in acceptable qualities during the 1980s. During the second half of the 1980s, however, virus infection rates of the seed stocks increased again, and the Seed Program failed to produce the Registered Seed of the major variety due to a high rate of potato leafroll virus (RLRV) occurrence in 1988. To overcome the PLRV problem, the Seed Program extended the use of nethouses even for the production of Foundation Seed from 1989. In addition, the Seed Program is going to practice utilization of PLRV-resistant varieties and establishment of seed potato production systems using microtubers produced in vitro. Possible reasons for the PLRV increase during the late 1980s are also discussed.

      • SCOPUS

        Asset Pricing in a Stochastic Production Economy with Feedback

        Hahm, Sangmoon THE KOREAN ECONOMIC SOCIETY 1997 JOURNAL OF ECONOMIC THEORY AND ECONOMETRICS Vol.3 No.1

        This paper studies the behavior of various asset pricing relationships. This paper generates risk premium and consumption growth rate series consistent with the U.S. data if the degree of relative risk aversion is between 1.3 and 2.2. Thus, this paper provides one solution to the Mehra and Prescott (1985) puzzle. This results from the following: (i) the production of the consumption good is responsive to the expectations of future states, which results in a demand for capital sensitive to the expectations, and (ii) after rents are received from firms, the owners of capital sell capital inelastically, which results in an inelastic demand for the consumption good. This paper also shows that risk premium is not, in general, monotonically increasing in agent's risk aversion. Risk premium increases with risk aversion initially then decreases, if permanent technology shocks explain most of the asset returns (it varies with risk aversion if temporary technology shocks explain most of the returns). Finally, this paper shows that even though (the log of) asset prices behave like a martingale on the average, the ex post asset returns exhibit mean reversion. However, this mean reversion property does not help improving the predictability of the ex ante returns in this paper, since the ex ante returns are serially uncorrelated.

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