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윤형식(Youn, Heong-Sik),김용승(Kim, Yongseung) 한국항공우주연구원 2015 항공우주산업기술동향 Vol.13 No.1
By now we hold the ability to develop the submeter high resolution satellite. It is the outcome of continuous development supported by the government demand and upbringing policy. Korea started the sales of satellite images by KOMPSAT-1 in 2000 and made a full-scale attempt to sell the KOMPSAT-2 images in 2007. Despite such efforts, the business outcome has not been improved because of some entry barriers. We are now faced with the times that force us to enter the global market of satellite images for the better business outcome, using the past experience and domestic infrastructure. Unlike our case, the American, French, and Canadian companies develop the emerging market and occupy the 75% of world market. The business strategy of these advanced countries is that: 1) the government fosters the relevant business companies to strengthen the competitiveness and to equip the growth engine. 2) the company establishes the growth platform to develop the foreign market, while providing its government users with satellite images and services. Under the changing environment of global market of satellite images, we examine whether or not our paradigm with the emphasis on the public services is suitable for global marketing of our satellite images. As a first step to meet the demands of the times, we suggest the strategic approaches to enhance the export of satellite images.
Kim, Gwon-Sik,Kim, Kap-Choong,Kim, Beom-Su,Kim, Tae-Hwan,Yook, Heong-Hwan,Oh, Sung-Tae,Kim, Byung-Sik 대한위암학회 2010 Journal of gastric cancer Vol.10 No.3
Purpose: The aim of this study was to determine the prognostic factors and the significance of metastatectomy for Krukenberg's tumors of gastric origin.Materials and Methods: Among the patient who underwent gastric surgery from 1992 through 2005, 90 female patients with Krukenberg's tumors of gastric origin were identified. We retrospectively reviewed the clinicopathologic characteristics, prognostic factors, and treatments for primary gastric cancer. We also investigated the prognostic risk factors for the onset of metachronous Krukenberg's tumors and the survival time of patients who underwent an operation for metachronous Krukenberg's tumors. Results: The presence of a synchronous Krukenberg's tumor (mean survival time=17.6 months, P<0.01), peritoneal seeding (14.5 months, P<0.01), and non-curative resection (15.1 months, P<0.01), were statistically significant prognostic factors for survival time in female patients with gastric cancer. The stage of primary gastric cancer (P=0.049) and lymph node metastasis (P=0.011) were statistically significant risk factors for recurrence time of a metachronous Krukenberg's tumor. In the metachronous Krukenberg's tumor group (n=53), the mean survival time of the metastatectomy group (n=46, 43.2 months, P=0.012) was longer than that in the chemotherapy or conservative treatment groups (n=7 and 24 months, respectively). Metastatectomy, presense or abscence of residual tumor and extent of residual tumor were significant prognostic factors for survival time in female patients with metachronous Krukenberg's tumor of gastric origin. Conclusions: A close observation and evaluation with ultrasound or computed tomography is necessary in female patients with advanced gastric cancer to detect a metachronous Krukenberg's tumor as soon as possible. The surgeon must operate more aggressively in patients with metachronous Krukenberg's tumors.
대학생들의 성지식, 성행동 및 성교육의 실태에 관한 연구
김흥규 ( Kim Heong-kyu ),우남식 ( Woo Nam-sik ) 인하대학교 교육연구소 2005 교육문화연구 Vol.11 No.-
The research is about sexual knowledge and behavior and the reality of sexual education of collegians. The target of the research was collegians from 12 universities which are from Seoul area and major cities of some provinces. The schools from Seoul area and major cities of some provinces are Collegians. The period of the research was from in early December, 2004 to in mid (the end of) January, 2005. 20~30 copies of questionnaire were distributed to each school. 300 copies were distributed in total and 275 copies were received. 210 copies were analyzed among received 275 copies. The confidence of the measure by Cronbach a is .87 in sexual knowledge and .70 in sexual behavior. Therefore, that analysis is reliable. The gathered data were analyzed by SPSS program and, t-test, one-way ANOVA and x<sup>2</sup>-test were done. The result of the research shows sexual education should be emphasized more and how sexual education should be improved.
김갑득,김흥식,김영철,조맹기,황도윤 대한신경외과학회 1983 Journal of Korean neurosurgical society Vol.12 No.1
We experienced 150 caese of spontaneous intracerebral hematoma which were confirmed by CT scan in Gang Nam Sacred Heart Hospital from November 1980 to October 1982. The analysis is based on 110 patients with primary intracerbral hematoma on whom operation was performed in 44 cases and conservative treatment was done in 66 cases. The CT scan of brain allows the clinical diagnosis of intracerebra1 hematoma, and size, location, extension, ventricular penetration and evolution of hemorrhage are accurately portrayed. The results of the treatment were affected by conscious level, location and volume of hematome, ventricular penetration and blood pressure; The operative treatment was better than conservative management in followings: 1. semicomatose and drowsy mental state, 2. subcortical hemorrhage, 3. more than 20 cc in volume, 4. progressively deteriorating neurological function and consciousness. We have obtained the best results in operating cases between 4th and 7th day after the stroke.