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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.
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.
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>
Hahm, Eu-Teum,Lee, Jong-Ju,Lee, Won-Kyu,Bae, Hyun-Soo,Min, Byung-Il,Cho, Young-Wuk KYUNG HEE UNIVERSITY MEDICAL CENTER 2005 고황의학상 수상논문집 Vol.21-22 No.-
Background/Objective: Neuroendocrine hormones are derived from the hypothalamus. The central nervous system, particularly the hypothalamus, is capable of modulating the cytolytic activity of adherent natural killer (NK) cells. In addition, electroacupuncture (EA) stimulation of the Zusanli (ST36) acupoint enhances splenic NK cell and cytokine activities in rats. However, it is still unclear whether the anterior hypothalamus affects this immunomodulation. Therefore, the aim of the present study was to examine the effect of EA stimulation at the Zusanli acupoint on the NK cell activity modulated by an anterior hypothalamic area lesion. Methods: Male Sprague-Dawley rats were used. Lesions were placed by means of a direct current through a concentric electrode. The electric acupuncture stimulation was delivered for 30 min per each experiment at the right ST36 acupoint with an electrical stimulator. The NK cell activity of the spleen was measured by a fluorescence assay. Results: The NK cell activity was significantly reduced on the 2nd day after the lesion, but was restored to that of the sham group by the 7th day. However, when EA was applied for 2 days after the operation, the NK cell activity of the lesion group was restored to that of the sham group. After 7 days of EA, the NK cell activity of the lesion group was slightly higher than that of the sham group. Conclusion: From these results, we can suggest that EA enhances or restores the NK cell activity suppressed by an anterior hypothalamic area lesion.
Hahm, Suk-Gyu,Jin, Kyeong-Sik,Park, Sam-Dae,Ree, Moon-Hor,Kim, Hyung-Sun,Kwon, Soon-Ki,Kim, Yun-Hi The Polymer Society of Korea 2009 Macromolecular Research Vol.17 No.12
With the study goal of firstly elucidating the anisotropic interactions between oriented polymer chain segments and liquid crystal (LC) molecules, and secondly of determining the contributions of the chemical components of the polymer segments to the film surface topography, LC alignment, pretilt, and anchoring energy, we synthesized three dianhydrides, 1,4-bis(4'-t-butylphenyl)pyromellitic dianhydride (BBPD), 1,4-bis(4'-trimethylsilylphenyl)pyromellitic dianhydride(BTPD), and 2,2'-bis(4"-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic dianhydride (BBBPAn), and a series of their organosoluble polyirnides, BBPD-ODA, BBPD-MDA, BBPD-FDA, BTPD-FDA, and BBBPAn-FDA, which contain the diamines 4,4'-oxydianiline (ODA), 4,4'-methylenediamine (MDA), and 4,4'-(hexafluoroisopropylidene)dianiline (FDA). All the polyimides were determined to be positive birefringent polymers, regardless of the chemical components. Although all the rubbed polyimide films exhibited microgrooves which were created by rubbing process, the film surface topography varied depending on the polyimides. In all the rubbed films, the polymer chains were unidirectionally oriented along the rubbing direction. However, the degree of in-plane birefringence in the rubbed film varied depending on the polyimides. The rubbing-aligned polymer chains in the polyimide films effectively induced the alignment of nematic LCs along their orientation directors by anisotropic interactions between the preferentially oriented polymer chain segments and the LCs. The azimuthal and polar anchoring energies of the LCs ranged from $0.45{\times}10^{-4}\;-\;1.37{\times}10^{-4}\;J/m^2$ and from $0.86{\times}10^{-5}\;-\;4.26{\times}10^{-5}\;J/m^2$, respectively, depending on the polyimides. The pretilt angles of the LCs were in the range $0.10-0.62^{\circ}$. In summary, the soluble aromatic polyimides reported here are promising LC alignment layer candidates for the production of advanced LC display devices.
ON A SIMPLE HIGH ORDER NUMERICAL DIFFERENTIATION USING THE LAGRANGE INTERPOLATION
HAHM, N.,YANG, M.,HONG, B. I. 한국전산응용수학회 2005 Journal of applied mathematics & informatics Vol.19 No.1
Numerical differentiation is one of the main topics which have been studied by many researchers. If we use the forward difference scheme or the centered difference scheme, the convergence rates to the derivative are O(h) and O($h^2$), respectively. In this paper, using the Lagrange Interpolation, we construct a simple high order numerical differentiation scheme which has the convergence rate O($h^{2k}$) if we have 2k+1 equally spaced nodes. Our scheme is constructive.
MONETARY BANDS AND MONETARY NEUTRALITY
HAHM, SANG-MOON 한국국제경제학회 2002 International Economic Journal Vol.16 No.2
This paper attempts to provide an explanation of the short-run monetary non-neutrality in an economy where agents have full current information and no nominal prices are set in advance. This non-neutrality arises due to the government's setting of nominal target bands. If the current money supply is near the upper bound of the band, any increase in money supply will require the monetary authority to take immediate action to reduce it. This serves to decrease the expected rate of inflation, thus increasing the demand for real balances and production. This paper also shows that if readjustments of nominal target bands are likely to occur, then the positive effect of money on output becomes attenuated. [E32, E52]