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지방자치단체 지리정보시스템에서 재사용을 위한 응용 서비스 컴포넌트의 설계 및 구현
김광수,조대수,김도현,최혜옥,Kim, Kwang-Soo,Cho, Dae-Soo,Kim, Do-Hyun,Choi, Hae-Ock 한국공간정보학회 2001 개방형지리정보시스템학회 논문지 = Journal of the Korea Open Geogr Vol.3 No.1
컴포넌트 소프트웨어의 가장 큰 장점은 응용 소프트웨어사이의 컴포넌트 재사용이다. 본 논문에서는 컴포넌트 재사용의 장점을 지리정보시스템 분야에 접목하여 지방자치단체에서 지리정보시스템을 빠르고 효과적으로 구축하기 위한 컴포넌트의 설계와 구현 방법을 설명하였다. 구현된 컴포넌트는 응용 서비스 컴포넌트로 부산시에서 1999년도에 수행한 사업과 1999년과 2000년에 개방형 GIS 컴포넌트 S/W 개발 과제의 결과물을 기반으로 지방자치단체에서 수행하는 서로 다른 업무 사이에 공통적으로 적용 가능한 기능을 도출하여 구현하였다. 분석 대상이 된 업무는 지방자치단체에서 지리정보시스템으로 구축하는 빈도가 높은 상수도관리 업무, 하수도 관리 업무, 도로 관리 업무, 도시 계획 업무, 지적 관리 업무이다. 분석 과정을 통하여 5개의 업무들 사이에 11개의 공통 기능을 추출하였으며 이 중 7개의 기능을 5개의 응용 서비스 컴포넌트로 구현하였다. 구현된 컴포넌트는 Authority, GISReport, MapService, SymbolManager, AttributeDisplay등 5개로써 사용자 관리, 측정, 검색, 출력, 인덱스 창, 심볼 관리, 속성 정보 표현, 출력 등의 기능을 수행한다.
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액아배양을 통한 쇠무릎(Achyranthes japonica)의 대량증식
김광수,성낙술,김명원,표병식,황백,Kim ,Kwang-Soo,Sung, Nak-Sool,Kim, Myung-Won,Pyo, Byung-Sik,Hwang, Baik 한국식물생명공학회 1997 식물생명공학회지 Vol.24 No.6
쇠무릎(A. japonica) 다량증식 방법의 일환으로 액아를 이용한 multiple shoot유도를 위한 최적 조건을 조사하였다. 기내에서 증식하고 있는 식물체로부터 액아를 적출하여 NAA, 2,4-D 및 BA가 여러 농도로. 첨가된 MS 배지(3% sucrose, 0.2% gelrite)에서 6주 간 배양한 결과, shoot의 발생은 1mg/L NAA와 2mg/L BA가 첨가된 처리구에서 액아 당 평균 25.8개로 가장 많았다. 신초의 발생 빈도는 조금 낮지만 발생된 신초가 완전한 식물체로 되기 위한 크기를 고려할 때의 조합은 0.5 mg/L NAA와 1 mg/L BA가 첨가된 처리구에서 액아 당 19.7개의 신초가 발생하여 가장 좋은 결과를 얻었다. 한편 발생된 신초는 절취하여 0.1mg/L IBA가 첨가된 1/2 MS 배지에서 배양했을 때 뿌리의 발생과 신장이 가장 양호하였으며, 식물체의 생육도 왕성하였다. 발근된 식물체를 기외로 이식 후 활착시켜 쇠무릎의 액아 배양을 통한 다량증식의 가능성을 확인하였다. Multiple shoot formation was obtained from excised axillary buds of Achyranthes japonica NAKAI cultured on MS media containing various growth regulators such as auxin and cytokinin. The highest average number of shoots was obtained in 1 mg/L NAA and 2 mg/L BA after 6 weeks (25.8 adventitious shoots per node). Although the regeneration rate was less than the former condition, optimal combination for the production of more shoots with a suitable size was 0.5 mg/L NAA and 1 mg/L BA (19.7 adventitious shoots per node). Roots were induced from regenerated shoots after 3 weeks culture, transferred to 1/2 MS medium supplemented with 0.1 mg/L IBA. Micropropagated plants were successfully transferred to soil.
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앙성자 및 감마선을 처리한 유채 $M_2$ 세대의 소포자로부터 반수체 배발생
김광수,이미양,장영석,박윤정,방진기,Kim, Kwang-Soo,Li, Mei-Yang,Jang, Young-Seok,Park, Yoon-Jung,Bang, Jin-Ki 한국작물학회 2008 한국작물학회지 Vol.53 No.2
This experiment was carried out to investigate the effect of proton ion and gamma-ray irradiation on microspore culture of the flower buds of $M_2$ generation in winter type of Brassica napus L. ssp. oleifera. The seeds of three rape varieties, 'Halla', 'Naehan' and 'Tammi' were pretreated with proton ion and gamma-ray 400 Gy and 600 Gy, respectively. When microspore culture techniques were used, embryogenesis was increased in some varieties by proton ion and gamma-ray irradiation treated flower buds of $M_2$ generation than control. In genotypes 'Naehan' showed the highest embryo production frequency, but 'Tammi' showed lowest embryo production frequency. Some of the embryoids developed directly into plantlets, whereas others developed abnormally multilobe. Plants were regenerated and successfully acclimatized in pots.
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Clay/EAF dust계 시편의 소결과정 중 액상거동 제어
김광수,강승구,Kim, Kwang-Soo,Kang, Seung-Gu 한국결정성장학회 2005 한국결정성장학회지 Vol.15 No.2
The electrical arc furnace (EAF) classified as a special waste contains many flux components producing melts during a sintering process, so it decreases the sintering temperature and improves the mechanical properties of specimens. Increasing dust content in a clay-dust system brick, however, may cause the fraction defective higher due to the excessive liquid produced. To control the liquid behavior produced during sintering process for the clay-dust system specimens, the $Al_2O_3$ was added and the physical properties were analyzed. The microstructure for the clay-dust system body sintered with $Al_2O_3$ became homogeneous and the overall size of pores decreased. Adding $Al_2O_3$ to clay-dust system body increased the mechanical properties and the temperature of maximum strength increased as much as $50^{\circ}C$, and the apparent density increased and the absorption decreased. The mullite ($3Al_2O_3{\cdot}2SiO_2$) was produced during sintering process by reaction of $Al_2O_3$ and $SiO_2$ which could participate to liquid-producing-process and the viscosity of melts increased which was proved by measuring a critical viscosity temperature (Tcv) therefore, the refractoriness of specimens were improved to lower the fraction defective.
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손상된 부르크막에 이식된 망막색소상피세포의 재유착성에 대한 세포외기질 단백의 영향
김광수,김유철,전세진,Kwang Soo Kim,M,D,Yu Cheol Kim,M,D,Se Jin Jeon,M,D 대한안과학회 2007 대한안과학회지 Vol.48 No.11
Purpose: To evaluate the effect of adding exogenous extracellular matrix (ECM) proteins on the reattachment of retinal pigment epithelium (RPE) to the damaged surface of Bruch`s membrane (BM). Methods: Porcine BM explants were divided into six groups: BMs with an intact basal lamina (bl-BM) and five damaged BMs (d-BM: bare & four ECM-coated). The d-BM was coated with ECM proteins (either fibronectin, laminin, collagen IV, or all). Primary RPE sheets were plated and cultured for each group of BM explants. The attached live cells were counted and examined with a scanning electron microscope after three days, as well as at 1, 2 and 4 weeks. Results: The RPE reattachment rate was highest in bl-BM and lowest in uncoated d-BM. ECM-coated groups showed a lower reattachment rate than bl-BM, but when compared with the uncoated group, the reattachment rate was significantly increased (p<0.05). ECM-exposure time did not influence the reattachment rate of any of the groups. RPE cells plated on bl-BMs and ECM-coated d-BMs attached and proliferated well and achieved confluence over time. Even though most cells were flat and large in shape, some cells revealed a good morphology with microvilli on their surface. On the other hand, only some of the RPE sheets plated on the uncoated d-BM attached loosely and most cells remained round and clumped. Conclusions: These results show that the addition of ECM proteins may increase the ability of RPE cells to reattach to the damaged BM surface, which would likely create a good morphology.
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회전형(回轉型) 축열식(蓄熱式) 열교환기(熱交換器)에서의 온도효율(溫度效率)에 관한 연구(硏究)
김광수,Kim, Kwang Soo 대한설비공학회 1989 설비공학 논문집 Vol.1 No.1
This paper treats the temperature effectiveness of the two-fluid counterflow regenerator in a rotary type. To avoid continual interpolation and to obtain the simple result in calculating that, it obtained the particular solution for the direct-transfer-type counterflow heat exchanger by the graphical procedures. Also, it introduced the empirical formula for the influence of the ratio of rotor matrix to minimum working fluid heat capacity rate with the particular solution induced. Particularly, substituting the published results of temperature effectiveness into the program, it obtained the simple and convenient equation which can applicate in the counterflow regenerator in a rotary type. To compare and discuss the results induced, selecting the regenerative air preheater and applying the their running datum and specifications to the related results, it shows that the above results are agree with the published results within absolute relative error, 3.0%.
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