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송해근(Hae Guen Song),박영택(Young Taek Park) 한국품질경영학회 2000 품질혁신 Vol.1 No.2
The use of internet has became an indispensible job to virtually every work, including quality management. The amount of quality information on the internet has increased dramatically in recent years. This paper introduced the quality related websites, including quality pioneers, quality improvement tools, general TQM, ISO series, quality organizations, six sigma, creativity and innovation, quality awards, etc. In this paper, numerous websites in each field of quality management are introduced. Some guidelines for the effective use of these quality resources are also presented.
이화춘(Hwa-Chun Lee),이율재(Yul-Jae Lee),김종권(Jong-Kwon Kim),유기흥(Gi-Hyung Yu),송성근(Sung-Guen Song),심관식(Kwan-Shik Shim),남해곤(Hae-Kon Nam),박성준(Sung-Jun Park) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
최근 풍력발전의 이용률과 연료비 절감을 위한 하이브리드 발전시스템의 연구가 활발히 진행되고 있다. 본 논문은 기존의 하이브리드 시스템과 달리 인버터가 불필요한 시스템을 제안하며, 현재 실증단지에 구축된 설비에 대해 소개한다.
디젤기반 하이브리드 시스템의 주파수 안정도 개선을 위한 디지털 Governor 제어기 개발
최상규(Sang-Gyu Choi),이화춘(Hwa-Chun Lee),이율재(Yul-Jae Lee),송성근(Sung-Guen Song),심관식(Kwan-Shik Shim),남해곤(Hae-Kon Nam),박성준(Sung-Jun Park) 전력전자학회 2011 전력전자학술대회 논문집 Vol.2011 No.7
하이브리드 발전 시스템에서 전압과 주파수제어는 서로 다른 분산전원의 동기화 및 전력제어에 있어 매우 중요하다. 본 논문에서는 하이브리드 시스템 디젤 발전기의 연료 분사량을 조절하는 액추에이터의 전류제어를 위한 디지털 Governor의 제어 알고리즘을 구현하고, 제어기 개발을 통해 부하 가변 시에도 안정된 주파수 값을 얻어내어, 발전기의 운전영역에서 안정된 속도제어가 이루어지는 가를 시뮬레이션을 통해 검증하였다.
구강 편평세포암에서 EGFR과 C-erb-B2 유전자 발현에 관한 면역조직화학적 연구
조원,조재식,이종원,김해송,박근재,Cho, Won,Cho, Jae-Shik,Lee, Chong-Won,Kim, Hae-Song,Park, Guen-Jae 대한기관식도과학회 1996 大韓氣管食道科學會誌 Vol.2 No.2
The clinical staging systems for oral squamous cell carcinoma is limited as a prognostic indicatior because of different biological characteristics of cancer in this region and variable microenvironment depending on subsites, there have been study to determine prognosis by evaluating malignancy, that is the nature of tumor cells. Many studies have been tried to determine prognostic indicator in various malignancies for the evaluation of differentiation capacity and the expression of oncogene product. EGF make a role in cellular growth and differentiation and to be essential in cellular survival. EGFR is an intergral membrane protein, stimulate cellular differentiation and hormonal secretion, and has structural homology with V-erb-B transforming protein. Recent reports have demonstrated that EGFR is overexpressed in stomach, breast, vagina, dermis, head and neck, genitourinary and lung tumors, and possibly used as a tumor marker. In head and neck region, most of studies were mainly carried out on laryngeal squamous cell carcinoma. In the present study, immunohistochemical study for EGFR and C-erb-B2 gene in paraffin sections of 45 squamous cell carcinoma in oral cavity was performed to evaluate the presense of EGFR and C- erb-B2 gene in this lesion, to evaluate them as a prognostic indicator by analysing the correlation between these expression and subsites, primary stages, clinical stages, pathologic grades, neck node metastasis, recurrences and treatment results, and to determine relation between EGFR and C-erb-B2 gene.