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서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1994)
김재홍,안진균,정성재,김영태,김중환,김시영,이석종,이홍렬,서호석,김경훈,권혁진,정우권,고우석,이용석,안필수,오준규,오용섭 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1
Background : In recent years gonorrhoea has been panendemic and remains one of the most common Sexually Transmitted Diseases in the world, especially in developing countries. Objective & Method : For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria Gonorrhoeae(PPNG), Ive have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1994, 168 strains of N. gonorrhoeae were isolated, among which 109 (64,9% ) were PPNG. Conclustion : Our results suggests that the prevalence of PPNG in Seoul is still increasing.
CDMA이동통신시스템에서 핸드오프 영역에 따른 용량 분석
진고환 우송대학교 2003 우송대학교 논문집 Vol.8 No.-
One of the key features contributing to the worldwide acceptance of the CDMA cellular system is its soft handoff capability, thereby providing high quality service with little management sophistication. This capability enabled by path diversity, however, imposes extra traffic load on the system. Classifying calls into two kinds, new and handoff, we derive the load balance equation, based on which the load associated with the soft handoff is exactly analyzed. Results on some realistic input data indirectly suggests how to determine the number of channel resources reserved for providing the path diversity in a real-world system.
진고환 우송대학교 2004 우송대학교 논문집 Vol.9 No.-
This paper addresses mobility models for the exact analysis of performance in cellular networks. The probability density functions of speed and direction of terminal crossing a cell boundary, based on "Biased Sampling" formula, are unequal to the probability density functions for terminals in the cell. A more precise mobility model is first derived on a single isolated cell with a circular boundary. The model is then compared with Tomas's, Hong's, and Xie's ones in the well-known performance measures. A computer simulation is also conducted to illustrate the accuracy of the proposed mobility model.
진고환(Go-Whan Jin) 한국콘텐츠학회 2021 한국콘텐츠학회논문지 Vol.21 No.11
4차 산업혁명 이후 인공지능, 빅 데이터와 같은 기술들의 발전으로 사회 전반에 다양한 변화가 일어나고 있으며, 핵심적인 기술 적용 과정에서 수집할 수 있는 데이터의 양도 급속하게 증가하고 있는 추세이다. 특히 학계에서는 연구 동향을 파악하기 위하여 기존에 생성된 문헌 데이터에 대한 분석이 이루어지고 있으며, 이러한 문헌 분석은 연구의 흐름을 정리하고, 어떤 연구 방법론이나 주제, 또는 현재 학계에서 화두가 되고 있는 대상에 대한 파악을 통하여 향후 연구 방향 설정에 많은 기여를 하고 있는 상황이다. 그러나 문서 데이터의 분석을 위하여 데이터 수집이 필요하나, 일반적으로 프로그램에 대한 전문 지식이 없는 경우 접근하기 어렵다. 본 논문에서는 텍스트 마이닝 기반의 토픽 모델링 웹 애플리케이션 모델을 제안한다. 제안 모델을 통하여 데이터 분석 기법에 대한 전문적인 지식이 부족하더라도, 연구 논문의 수집, 저장, 텍스트 분석과 같은 다양한 작업을 진행할 수 있으며, 연구자들이 선행 연구 분석과 연구 동향을 파악하기 위하여 데이터 분석에 투입되는 시간 및 노력을 단축시킬 수 있을 것으로 기대된다. Since the Fourth Industrial Revolution, various changes have occurred in society as a whole due to advance in technologies such as artificial intelligence and big data. The amount of data that can be collect in the process of applying important technologies tends to increase rapidly. Especially in academia, existing generated literature data is analyzed in order to grasp research trends, and analysis of these literature organizes the research flow and organizes some research methodologies and themes, or by grasping the subjects that are currently being talked about in academia, we are making a lot of contributions to setting the direction of future research. However, it is difficult to access whether data collection is necessary for the analysis of document data without the expertise of ordinary programs. In this paper, propose a text mining-based topic modeling Web application model. Even if you lack specialized knowledge about data analysis methods through the proposed model, you can perform various tasks such as collecting, storing, and text-analyzing research papers, and researchers can analyze previous research and research trends. It is expect that the time and effort required for data analysis can be reduce order to understand.
High MET gene copy number leads to shorter survival in patients with non-small cell lung cancer.
Go, Heounjeong,Jeon, Yoon Kyung,Park, Hyo Jin,Sung, Sook-Whan,Seo, Jeong-Wook,Chung, Doo Hyun Lippincott Williams Wilkins 2010 JOURNAL OF THORACIC ONCOLOGY Vol.5 No.3
<P>Activation of MET, either by increased gene copy number (GCN) or mutation, has been detected in various cancers. We investigate the clinicopathologic features of MET gene copy in nonsmall cell lung cancer (NSCLC).</P>
박형 태양전지모듈 제작을 위한 저온 CP 공정 최적화에 관한 연구
진가언(Jin Ga-Eon),송형준(Song Hyung-Jun),고석환(Go Seok-Whan),주영철(Ju Young-Chul),송희은(Song Hee-eun),장효식(Chang Hyo-Sik),강기환(Kang Gi-Hwan) 한국태양에너지학회 2017 한국태양에너지학회 논문집 Vol.37 No.2
Thin crystalline silicon (C-Si) solar cell is expected to be a low price energy source by decreasing the consumption of Si. However, thin c-Si solar cell entails the bowing and crack issues in high temperature manufacturing process. Thus, the conventional tabbing process, based on high temperature soldering (> 250°C), has difficulties for applying to thin c-Si solar cell modules. In this paper, a conductive paste (CP) based interconnection process has been proposed to fabricate thin c-Si solar cell modules with high production yield, instead of existing soldering materials. To optimize the process condition for CP based interconnection, we compared the performance and stability of modules fabricated under various lamination temperature (120, 150, and 175°C). The power from CP based module is similar to that with conventional tabbing process, as modules are fabricated. However, the output of CP based module laminated at 120°C decreases significantly (14.1% for Damp heat and 6.1% for thermal cycle) in harsh condition, while the output drops only in 3% in the samples process at 150°C, 175°C. The peel test indicates that the unstable performance of sample laminated at 120°C is attributed to weak adhesion strength (1.7 N) between cell and ribbon compared to other cases (2.7 N). As a result, optimized lamination temperature for CP based module process is 150°C, considering stability and energy consumption during the fabrication.