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3구간 종속 가변속도하에서 배송차량의 최적운영 방안에 관한 연구
문기주,양승만 대한설비관리학회 2004 대한설비관리학회지 Vol.9 No.2
The vehicle routing problem with time-varying speed(VRPTVS) is difficult to handle with regular Traveling Salesman Problem(TSP) approaches due to the varying speeds. A 3 service zone partitioning method is developed in this research to adapt the government supplied traffic information as well as possible computing time reductions. The vehicle speed in each of the 3 splitted service zones based on the time window becomes fixed vehicle speed. A regular TSP algorithm for not coning back to the origin is applied for the delivery points in each zone and then 3 routes are connected for one initial completed vehicle route. A pairwise exchange method is applied to reduce the traveling time.
주종문,황승국 한국품질경영학회 2004 품질경영학회지 Vol.32 No.1
The Internet has produced a great variety of VOC data. However, they are hardly helpful for CRM because they are not integrated with VOC data of the related businesses yet. This paper has set up a system for the said VOC data to actually become helpful for CRM. The system has two aspects. From the aspect of products, the customers' needs for products will be analyzed to produce what they actually want. From the aspect of customers, on the other hand, decent relationships with them shall be maintained constantly by thoroughly analyzing all the related data. The analyses on both of these aspects have the advantage of maximizing customer satisfaction by active CRM that makes us recognize what customers prefer, or complain of in advance and then provide them with tailor-made service.
강주환,오남선,문승록,박선중 국립7개대학공동논문집간행위원회 2003 공업기술연구 Vol.3 No.-
Tidal characteristics have changed severely after constructions of seadike/seawalls near Mokpo Harbor. Tidal velocity of three layers, buoy paths and suspended sediment distributions are observed near there. The results can be useful database for calibrations of various numerical simulations for coastal and estuarine studies near Mokpo coastal zone.
강주환,문승록,박선중,정재웅 국립7개대학공동논문집간행위원회 2004 공업기술연구 Vol.4 No.-
This study was performed to predict some aspects of tidal currents and pollutant dispersion according to the facilities for seawater exchange in order to improve the water quality in Daeheuksando. A numerical simulation was executed, using the hydrodynamic module and advection dispersion module in MIKE 21 program. As a result of hydrodynamic simulation, it did not show change greatly in all cases. But, cutting part of Jungang-breakwater increased greatly than other area. When cut inside part in Jungang-breakwater, pollutant density of Yeri area decreased greatly by the ratio of 0.40 as compared with other cases. Also, dispersion extent diffused whole area of inside sea area of Daeheuksando. This case is the most effective for seawater exchange inside sea area of Jungang-breakwater.
Squalene Adjuvant를 이용한 단백질 항원의 세포성 면역반응 유도
도현주,김성열,안종성,하영주,이승찬,오재택,장명호,정홍석,문홍모,박해준 大韓免疫學會 1996 大韓免疫學會誌 Vol.18 No.3
To investigate the role of adjuvant for cytotoxic T lymphocytes (CTL) induction, squalene-based adjuvant was studied its capability eliciting to the induction of cellular immunity as well as humoral immunity to exogeneous proteins. Ovalbumin (OVA) was used as model proteins. It was demonstrated that antigen formulation consisted of metabolizable oil squalene mixed with Tween 80 and pluronic L121 (S/TJ121) could induced the antigen specific CTL responses and antibodies irrespective of immunization routes in mice. We also demonstrated that this antigen formulation was a inducer of CD8+, major histocompatibility complex(MHC) class I-restricted, and antigen-specific C;1'Ls. These data suggest that the squalene-based emulsion system is a potent adjuvant inducing cellular immunity as well as humoral immunity.
강주환,문승록,박선중 국립7개대학공동논문집간행위원회 2004 공업기술연구 Vol.4 No.-
Muan coastal zone consists of Hampyong bay, Tando bay and Chungkye bay, each shows unique tidal current characteristics. Tidal amplification by constructions of the sea-dike and sea-walls has an effect on Chungkye bay. This brings about increase of tidal flat area, which makes the ebb dominance at Chungkye bay more seriously. This study was performed to investigate the environmental changes by tidal current characteristics at Muan coastal zone.
송현주,김도영,정혜경,남승현,문일환,구혜수 梨花女子大學校 醫科大學 醫科學硏究所 2002 EMJ (Ewha medical journal) Vol.25 No.2
Nowadays increasing use of abdominal ultrasound in routine check-up may increase the detection rate asymtomatic cystic lesions of pancreas. Even through the majority of the cystic lesions of pancreas is pseudocyst, about 10-15% of those lesions are caused by pancreatic cystic tumor. In the pancreatic cystic tumor, especially, mucinous cystic tumor should be exicised due to its malignant potential, while the pancreatic pseudocyst or serous cystic tumon can be observed for a period or treated medically. Several clinical, radiological, biochemical and pathologic guidelines have been developed in order to distinguish among them. Among pancreatic cystic tumors, mucinous cystic adenocarcinoma is very rare and accounts for only 1% of all pancreatic neoplasms. Unlike extremely poor prognosis of pancreatic adenocarcinoma, mucinous cystic adenocarcinoma has an indolent course and shows a good prognosis after its curative resection. Recently we experienced a 69-year-old woman who had a mucinous cystic adenocarcinoma of the pancreas. We report this case with a review of literature.
양방향 2차로 도로의 기하구조에 따른 서비스수준 분석에 관한 연구
임채문,이주호,김대식,신승우 대구대학교 산업기술연구소 2003 産業技術硏究 Vol.14 No.3
Ⅱn this study, the Highway zones that have a passing lane or a concession lane out of annexed lanes to bi-directional two lane Highway were investigated. Characteristics of the highways according to geometrical structure were analyzed and LOS analysis was performed for each zone. The results are as follows; 1. The correction index for existing heavy vehicles should be considered in field limit speed because of the enhancement of the vehicle speed. 2. When analyzing traffic flow, it is more desirable to establish concession zones rather than to have more passing lanes, which are easily influenced by opposite side traffic flow. As this study investigated annexed lanes of highways only, those of local roads should be studied further.