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全北地域의 工場 새마을 QC分任組活動의 運營方法에 關한 硏究
이성택,殷載基,柳鵬植 圓光大學校 1979 論文集 Vol.13 No.1
The intentions of these studies aim at giving useful materials for effectively evolving QC Circle activities of enterprise and in establishing driving organizaiton for QC Circle by the Government and government agencies concerned. This will be accomplished through: surveying improved measured to the extent of manager's cognition and participation of and in QC Circle activities the establishment of a cooperative system, human relations, education and training, the selection of theme, the composition of the circle, and the inconveniences of members. The study method selected here is an experimental analysis method : mainly centered on questionaire method and personal interview method given to 611 "The Factory-Saemaul QC circles" of Jeon buk province which were registered at the end of March, 1978. In order that QC circle activites may operate more efficiently, it is necessary that : Firstly, the true role that QC and QC circle activities will carry out, should be focused on, with lonterm standpoint, spiritual and material rationalizaiton which make it possible to do their best under the precondition of higher knowledge and technology and new investment for structural change. Secondly, we must secure enough presentation and appealing to evolve as a methodology of the Factory-Saemaul movement in its characteristics and contents and then QC circle needs more systematic continuous presentations and full-dress studies pertinent to the industrial situation of korea rather than directly following foreign exampes. Thirdly, we must insure that the QC movement may be developed in a sustained fashion bearing substantial fruit from the long-term plan, The development of a more positive attitude and initialtive leadership of businessmen and top managers are also necessary. If such positive attitudes and leaership should be realized through natural growth, some momentums to be deeply conscious of the actuality and future of businessmen an dtop managers will continuously exist. Fourthly, for the sake of sublimating our enterprise into a suitable movement, more positive studies and development are required. Because the movement cannot become effective in all enterprises and business enviroment, studies which can always supplement it, especially on the problems of dimensional application, must follow up. Fifthly, in order that the movement may be developed continuously without vanishing like a passing vogue, some systematic arrangements should keep abreast with it. For example, the establishment or reorganizaiton of a new system ; enactment of new provision and stadards. Finally, to easily attain the above mentioned tasks, incessant and scientific support of the Government support is expected through more down-to-earth study and reserch programs.
유주현,신성수,김경태,이재억,유중배,이기헌,황윤영 대한부인종양 콜포스코피학회 1993 Journal of Gynecologic Oncology Vol.4 No.2
Primary adenocarcinoma of the fall~opian tube is an extremely rare malignancy of the female genital tract. We had experienced a case of primary adenocarcinoma of the left fallopian tube which diagnosed ineidentally on the basis of the biopsy findings, and reported the case with a brief review of the concerned literatures.
A Three-Dimensional Finite Element Analysis with Various Implant Designs
Yoo, Dong Ki,Heo, Seong Joo,Koak, Jai Young,Kim, Seong Kyun,Lim, Young Jun,Kim, Sung Hun,Han, Chong Hyun Trans Tech Publications, Ltd. 2007 Key Engineering Materials Vol.342-343 No.-
<P>Various studies recommend that threaded type implants should be used to maximize initial contact, improve initial stability, enlarge implant surface area, and favor dissipation of interfacial stress. The objective of this study was to compare four types of screw implants placed in posterior region of mandible model and evaluate the influences of implant shape, configuration, length, diameter and abutment connection method on stress distribution using a three-dimensional finite analysis. Four types of two-length implant models - 8.5 and 13 mm - were selected and the wide diameter was also used. Four groups were classified by implant outline and connection manner A load of 100 N was applied vertically on the center of the implant. Oblique and horizontal loads were taken as equal to that of the vertical load. The TMJ area in mandibular model was constrained in all directions. Results show that the stress of two-length implants was similar in all groups and the internal connection implant with appropriate thickness of inner part of the implant had better stress distribution.</P>
Yoo, Song Jae,Jang, Han-Ki,Lee, Jai-Ki,Noh, Siwan,Cho, Gyuseong Oxford University Press 2013 Radiation protection dosimetry Vol.156 No.1
<P>For the assessment of external doses due to contaminated environment, the dose-rate conversion factors (DCFs) prescribed in Federal Guidance Report 12 (FGR 12) and FGR 13 have been widely used. Recently, there were significant changes in dosimetric models and parameters, which include the use of the Reference Male and Female Phantoms and the revised tissue weighting factors, as well as the updated decay data of radionuclides. In this study, the DCFs for effective and equivalent doses were calculated for three exposure settings: skyshine, groundshine and water immersion. Doses to the Reference Phantoms were calculated by Monte Carlo simulations with the MCNPX 2.7.0 radiation transport code for 26 mono-energy photons between 0.01 and 10 MeV. The transport calculations were performed for the source volume within the cut-off distances practically contributing to the dose rates, which were determined by a simplified calculation model. For small tissues for which the reduction of variances are difficult, the equivalent dose ratios to a larger tissue (with lower statistical errors) nearby were employed to make the calculation efficient. Empirical response functions relating photon energies, and the organ equivalent doses or the effective doses were then derived by the use of cubic-spline fitting of the resulting doses for 26 energy points. The DCFs for all radionuclides considered important were evaluated by combining the photon emission data of the radionuclide and the empirical response functions. Finally, contributions of accompanied beta particles to the skin equivalent doses and the effective doses were calculated separately and added to the DCFs. For radionuclides considered in this study, the new DCFs for the three exposure settings were within ±10 % when compared with DCFs in FGR 13.</P>