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CPTED 관점에서 안전한 대학교캠퍼스를 위한 적용요소 연구
윤소진(Yun, So-Jin),이승재(Lee, Seung-Jae),강석진(Kang, Seok-Jin) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.3
The purpose of this study was to suggest the applicable factors for making safe campus focused on the CPTED. In order to do that, the questionnaire survey and the observation survey were conducted in the 3 universities in Jin-Ju. This study was processed as follows : first, the analyses of the relations among the variables such as satisfactory and important rate about the physical factors for crime prevention, fear of crime, and crime experienced rate. ; second, comparing analyses the questionnaire survey and the observation survey results among the universities. Followings are the results. : 1) the crime experienced rate was 25%, and the theft and breakage were happened frequently. The hotspots were lecture rooms, dormitories and parking lots. 2) as the fear of crime was higher, the satisfaction of crime prevention was lower. The unsafe places were promoted the fear of crime were basement floors, toilets, green zones, sidewalks and parking lots, etc. 3) the factors caused the fear of crime were insufficient lightings and CCTV, and blind spots among the buildings. 4) the important things for the making crime-free campus were the natural surveillance and access control focused on the CPTED. Especially, it was founded that the access control methods were more effective at indoor spaces and individual buildings, and the natural surveillance methods were more important outdoor spaces.
진양오,윤철종,우성훈,최성우,김익성,박승조 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.1
The objective of this study were to treat waste paper with waste acid and alkali so to enhance maturity of the wastes. The sample was office paper and news paper which ratio was 1:1 and the reagents for pre-treatment were sulfuric acid and sodium hydroxide for waste acid and alkali. The maturity indices were taken volatile solid. cation exchange capacity, and gas production variation. The pre-treatment method was to dip the sample in the reagent according to time, concentration, and dosage. The methods of treatment were to dip the wastes in leachate and to landfill in soil. The result of this study were as follow. When waste paper was treated by acid and alkali, the proper treatment condition was 24hours and 0.1 normality of acid and alkali. The pre-treated samples with acid and alkali such as RSN and RSH were more effective in maturity than non-treated sample such as RS. The post-treated sample such as RSL, RSNL, and RSHL was more effective than nonpost-treated sample such as RS, RSN, and RSH.
Fosfomycin의 항균효과 및 capillary electrophoresis에 의한 측정법에 관한 연구
윤효인,박승춘,이규승,권진욱,조준형,신광순,김무열,허강준,조명행 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-
Fosfomycin, a low molecular antibiotic, is to be easily synthesized, therefore to be possibly used in veterinary sectors due to econimic reasons. In this study, we determined the antibacterial activities of fosfomycin against some domestic animal-origin pathogens, and its combined effects with some important antibacterials available. We also compared detection methods of fosfomycin from various measuring instruments. The results obtained through this experiment were as follows: 1. Antibacterial activities of fosfomycin against the pathogens used in this experiment were appeared fairly low. We found the antobacterial activities depanded on the kinds of media and the addition of some material thereins, which suggests the importance of appropriate medium so as to judge the antibacterial activity of fosfomycin. 2. Fosfomycin showed varying antibacterial effects in combination with other antibacterials, which should be taken into consideration when combining other antobacterials especially in the clinical settings. Of the combined antivacterials, fosfomycin had synergistic effects in combination with amoxicillin but antagonistic effects with oxytetracyline. 3. Conventional detection methods using HPLC, GC and spectrophotometer were not appropriate to measure fosfomycin. Capillary electrophoresis by the way of the indirect ultraviolet detection method was good enough to detect fosfomycin in the range of expected concentration in tissues, with the limit of quantitation (LOQ) of 1.25 ㎍/㎖. We recommend the eletrophoresis method could be used to detect fosfomycin, thereby being able to set the optimal dosage for animals and providing the measures in relation with the residual concentration in the meat.
윤석찬,백승훈,정진태,한창수 韓國工作機械學會 2000 한국생산제조학회지 Vol.9 No.5
This paper presents the study of the tension control in a web transfer system. In this study the sliding mode controller is applied to a time-varying nonlinear mathematical model. The model was derived to consider the effects of changing the roll rad;us in tension variation during winding and unwinding. The uncertainty in modeling may be due to unmodelled dynamics, on variations in system model. Designed sliding mode controller made the system error always staying in the suggested surface from the beginning. Through this, system is maintained to be robust against a disturbance and uncertainty. To verify the designed controller has a good performance, various inputs such as desired velocity, step input, and trapezoidal input are applied. When the sliding mode controller was used, the system(the tension control) performance was improved comparing to the PID controller. The robustness of the controller with respect to an estimation error was verified through simulations.
윤승길,한옥규,안현진 안성산업대학교 1997 論文集 Vol.29 No.2
보리에서 광호영 및 수축절수의 유전양식과 이들 두 형질의 연관관계를 구명하여 양질 다수성 품종개량의 효율 제고를 위한 기초자료를 얻기 위하여 호영이 넓고 수축절수가 적은 Triple Bearded Club Mariout(T.B.C.M) 품종과 호영이 좁고 수축절수가 많은 특성을 가진 강보리를 교잡하여 이들의 양친과 F_1, F_2세대 5개 조합을 공시하여 실험한 결과는 다음과 같다. 1. 보리의 광호영은 단순 열성으로서 1쌍의 대립유전자에 의해 지배되었다. 2. 수축절수는 많은 것이 우성, 적은 것이 열성으로서 1쌍의 대립유전자에 의해 지배되었다. 3. 수축절수와 호영을 지배하는 유전자는 동일염색체내 연관되어 있으며, 조환가는 조합마다 다소 차이가 있으나 15.8∼18.0% 범위로 비교적 가깝게 좌위하고 있는 것으로 추정되었다. This experiment was conducted to obtain basic genetic informations which could be used for breeding of barley for better quality an high yield. The data for this study were obtained from cross among Triple Bearded Club Mariout(T.B.C.M) and five released varieties. T.B.C.M. has wide outer glume and a low number of rachis internode, while five released varieties has narrow outer glume and a high number of rachis internode. The parents, F_1 and F_2 lines resulted from cross among T.B.C.M. and five released varieties were studied in field experiment. And the inheritance modes of outer glume, number of rachis internode, and their linkage relationships were determined. The wide outer glume in barley was a simple recessive gene. High number of rachis internode is shown to dominate over low number of rachis internode. The genes for number of rachis internode and outer glume appeared to be linked closely. Based on recombination analysis, recombination values between two characters linked were 15.8~18.0% with some variation depending on varieties used.
RFID를 활용한 3차원 물류 창고 관리 시스템의 설계 및 구현
형대진,김승구,이재윤,박경환 東亞大學校附設 淸報技術硏究所 2006 情報技術硏究所論文誌 Vol.13 No.2
At present, a business management is managing to minimize a investment or a stock cost for a warehouse. So the essential point of warehouse's function is exchanged to attach greate important to information technology and client services. But the existing warehouse management systems have many weak points in part of information technology and client services. In this paper, we suggest the plan of introducing the RFID system into warehouse management system for an efficient management. We also develop warehouse management system to show in realtime 3D a location information of goods in the warehouse.