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金恒錫,盧德煥,梁鍾烈 군산대학교 1987 論文集 Vol.14 No.-
This paper review the emprical research on forecasting in marketing.We offer a framework for discussing forecasts in the area of marketing, and then review the literatare in light of that framework.Particular emphasis is given to pragmatic interpretation of the literature and finding.We hope to (1) summarize the more important empirical research that relates to the choice and application of forecasting methods in marketing, (2) show how the research from this special issue links with the existing research on the forecasting and (3) provide an agenda for furture research. The paper is organized to Provide a framework for forcasting and then to examine research contributions within that framework. Exhibit 1.A Framework for Forecasts in Marketing. This paper is centered around what forecasts are needs.These needs are listed as A Framework for Forecasts in Marketing.(page 4) Significant gains have been made in forecasting for marketing in the past quarter century.Advances have occurred in the development of qualitative methods such as delphi, role playing, intentions and opinion surveys and bootstrapping.They have also occurred for quantitative methods suchas extrapolation and econometrics.The challenge now is to build up experience in applying these methods so generalizations can be made about which methods are most appropriate in the different areas where forecast are needs in marketing.The evidence and research needs discussed in this paper are now summarized.
백반증 환자의 혈청이 배양된 정상 인체 멜라닌 세포의 세포고사에 미치는 영향에 관한 연구
김민영,이성열,박영립,이종석,황규왕 순천향의학연구소;Soonchunhyang Medical Research Institute 2000 Journal of Soonchunhyang Medical Science Vol.6 No.1
About the etiologies of vitiligo, so many hypotheses have been proposed, but the exact pathologic mechanism was not clear. Among those hypotheses, autoimmune theory is most popular and clinically it is often accompanied by many other autoimmune disorders such as thyroid disease, pernicious anemia, diabetes mellitus, Addison's disease, autoimmune hypoparathyroidism and organ specific antibodies. Investigator thought that apoptosis is important mechanism on the destruction of melanocyte by autoantibodies. To prove this, 10 autoimmune disorder-free, active and progressive vitiligo patient's sera were added to melanocytes culture media and incubated for 48 hours. After that, investigator observed the changes of melanocyte with TUNEL stain and Hoechst stain, which were well-known methods for apoptotic cell stain. The melanocytes incubated with vitiligo patients sera showed more apoptosis than that with normal person's sera. These results indicates that vitiligo patients' sera have some substances inducing apoptosis of melanocytes.
김영운,정숭룡,이승호,이종호,김창룡,박문성,류선열 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.4
Tuberculosis, a chronic infectious granulomatous disease, is preumed to be quite a rare entity. Because of the development of chemotherapy and the improvement of nutritional conditions, incidence of tuberculosis have reduced. For these reasons, tuberculosis may be overlooked in the differential diagnosis whenever dealing with a submandibular swelling. Diagnosis of tuberculous lymphadenitis consists of historical data, physical findings, laboratory tests and histologic examination. The treatment of choice seems to be surgical excision and long term antituberculosis chemotherapy. Surgery provides a rapid tissue diagnosis, because the histological examination of the excisional biopsy is the most reliable diagnostic test. This is the report of a case of tuberculous cervical lymphadenitis on left submandibular area with no evidence of the involvement of lung.
김규원,배종렬 경북대학교 사회과학연구소 1992 社會科學硏究 Vol.8 No.-
This study examines the relationships beteween social strata and children's socialization in Taegu City. Taking advantage of theories of B. Bernstein(1973) and M. Kohn(1977), two researchers developed their own hypotheses as follows. (1) The upper strata are socializing their children for the purpose of cultivating one's talent in a democratic/self-determined way : (2) The middle strata demand their children to be achievementoriented people in an authoritarian/regulated way : and (3) The lower strata are socializing their children either in a laissz-faire way or in a threatening way in order to make them self-contented. The survey results did not neatly fit into the researchrs' hypotheses. Regardless of social strata, most parents want their children to be polite and courteous. It appears that there does not exist a class-specific and consistent way of socializing children.
朴鐘烈,金星秀 영남대학교 공업기술연구소 1984 연구보고 Vol.12 No.1
The hematite specimens were prepared and reduced by hydrogen in the temperature range 600℃- 900℃ with the rate of reduction being measured by thermal gravimetric analyser. The weight loss, underisothermal condition, was accomplished by checking the end mark of silica spring with cathedometer. Making hypothesis that the reduction of iron oxide is controlled at the oxide/metal interface, derived rate equation and calculated rate constant and activation energy. It was concluded that 1) The reduction of iron oxide was shown to be controlled at the oxide/metal interface and rate equation r??d??(1-(1-R)¹/³)=Kㆍt was found to be fairly applicable. 2) Reduction rate constant was 1.54×10-²g/cm²ㆍmin at 600℃, 5.36×10-² at 800℃. It slows down at lower temperatures. 3) Activation energy for oxide/metal interfacial reaction was 11,200 cal/mole.
자외선 등의 자극에 의한 인체 멜라닌세포의 타이로신 프로테인 키나제 수용체 발현에 관한 연구
이정열,황규왕,이종석,김영근 순천향의학연구소 1998 Journal of Soonchunhyang Medical Science Vol.4 No.1
Human melanocytes express the p 75 nerve growth factor(NGF) receptors and tyrosine protein kinase receptors(trk) in vitro. Melanocytes are induced to express the p75 NGF receptor in vitro by a variety of phamacologic and physiologic stimuli including UV light. Melanocytes dendricity and migration are regulated in part by NGF. Cultured human epidermal keratino- cytes produce NGF. The purpose of the study was to investigate the influence of UVB and TPA(phorbol 12-tetradecanoate 13-acetate) stimuli in pure melanocytes group and the influence of UVB stimuli in keratinocytes/melanocytes coculture group in the expression of trk A, respectively. Normal human keratinocytes and melanocytes were established from neonatal foreskin. Keratinocytes and melanocytes were cultured by modified Medium 154 and F-10, respectively. Pure melanocytes group and keratinocytes/melanocytes coculture group were respectively exposed to UVB 50 mJ/㎠. pure melanocytes group were treated for 1 day with TPA 50, 100 ng/ml. the expression of trk A in melanocytes with 50 ng/ml TPA was induced about 3 times higher than unstimulated control. But. TPA induction of trk A in melanocytes is not dose-dependent. The expression of trk A in pure melanocytes group and melanocytes/keratinocytes cocultures group with UVB 50 mJ/㎠ was induced about 4-5 times than unstimulated control. We conclude that stimulation with TPA and UVB induces trk A in melanocytes and UVB effect is further potentiated by the presence of keratinocytes in culture.