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남현빈,정세진,구민석,오예진,김용민,이훈희,윤수정,임정균 순천향대학교 부설 산업기술연구소 2021 순천향 산업기술연구소논문집 Vol.27 No.2
In addition to the development of functional cosmetics, technology to increase percutaneous absorption rate when applied to the skin is an important task. In this experiment, oleic acid was used as a skin absorption promoter, and its effect on transdermal permeability of adenosine was studied and analyzed using a skin-like membrane. As a result of the experiment, it was investigated that the permeability coefficient and concentration of adenosine are proportional to the content of oleic acid. This indicates that a high proportion of oleic acid is effective as a skin absorption promoter.
구성현,윤명호,정윤석,김현만,김세중,김영수 아주대학교 의과학연구소 1996 아주의학 Vol.1 No.1
Emphysematous pyelonephritis is a rare disease complicated from diabetes or obstructive uropathy. The characteristic of this disease is the presence of gas within the renal parenchyma, which may enter the perinephric space by extension. It was first reported in 1898 by Kelly and MacCallum. Up to 1992 only about 90 cases have been reported in English literature. In Korea, Shin et al. reported the first case of emphysematous pyelonephritis in 1982, and only about 28 cases reported in the next decade. In most cases, surgical therapies were recommended for emphysematous pyelonephritis. We report on a case of emphysematous pyelonephritis in diabetic patient who had been treated with medical therapy (antibiotics and blood glucose control by open loop insulin pump). Without surgical intervention, the patient (34-year-old female) recovered from emphysematous pyelonephritis.
성당 음향성능 평가를 위한 어휘조사 및 주관적 반응 조사 연구
박현구,김선우 대한건축학회 2003 대한건축학회논문집 Vol.19 No.5
The buildings of Catholic church in Korea were built about one century ago when the freedom of faith was given, and have had lots of differences with those of western due to application of shape, transformation and change of inner space. The change of inner space brings the room acoustic characteristics modify, which is the reason that we have to look for appropriate evaluation method and design principle different from western one. This study, therefore, has begun as a preliminary step for evaluating of Catholic church's room acoustic performance and surveyed for gathering useful vocabularies and minimizing them. Finally we surveyed the subjective responses through questionnaire to users making use of vocabularies extracted and analysed the independent factors to be used in psycho-acoustic experiment by factor analysis.
박현구,조경숙,김선우 대한건축학회 2003 대한건축학회논문집 Vol.19 No.2
This study has performed to analyse the measurement the main hall of Catholic churches and to find out general room acoustical characteristics. Furthermore, extracted data could be used in subjective evaluation for optimum values of each physical parameter. For the reason, we surveyed whole Catholic churches located in Gwangju metropolitan city and finally chose 11 churches to measure. Room volume of buildings chosen is ranged widely from 1,782 to 9,195 cubic meter so that measured values can be distributed including various characteristics of acoustical parameters. As a result, the differences of values using PA system as sound source were larger than those using omnidirectional speaker in the center part of alter and values of D50 and C80 in the balcony floor were especially appeared to have different values comparing with those of main floor due to diversified layout of speakers. The range of RT and EDT was from 1 to 3 sec. approximately depending on the room volume and sound absorbing materials installed on floor, wall and ceiling and it was revealed that RT at 250㎐ of center frequency range was shortest and RT at 1㎑ was largest as most of the materials applied to finishing were panel absorbers and reflectors such as wood panel, concrete and brick.
박현구,조경숙,송혁,김선우 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
The aim of this study is to analyse the relationship between traffic noises and subjective responses. The traffic noises considered in this study were aircraft, road traffic and train, and we recorded them in order to edit by using the sound insulation performance of windows. The sound sources recorded and edited were made to be different sound level with 5 steps by 5dB. Finally 100 sounds sources were composed for the purpose of psychoacoustic experiments and we surveyed the subjective responses. As a result, the average points of the subjective response to the sound sources have shown differently depending on their sound level, the type of windows and the type of sound sources.
OpenGL에 기반한 전자부품 3D 그래픽 툴의 설계 및 구현
김승구,조현준,형대진,박경환 東亞大學校附設 情報技術硏究所 2005 情報技術硏究所論文誌 Vol.13 No.1
Up to the present, we have used general 3D modelling tool for 3 dimensions visualization of electronic parts. If we use general 3D modelling tool, we are consumed many time and effort because it is not optimized modelling of electronic parts. Therefore we need technical 3D modelling tool for electronic parts. In this paper, in order to solve this problem, we develop the graphic tool that model and visualize the electronic parts as 3 dimensions.
형대진,김승구,조현준,박경환 동아대학교 정보기술연구소 2006 情報技術硏究所論文誌 Vol.14 No.1
In this paper, we introduce the method for developing the mobile 3D game engine based on the WIPI platform which has been proposed as the mobile standard platform. Our game engine is designed so that it supports OpenGL-ES and JSR-184 that are mobile 3D graphic APIs. Our game engine has a mobile emulator operated on PC and SDK to support mobile programming in PC environments. Mobile 3D game developers can use the APIs at various levels. Also, the game engine is developed in modular in order to support various game genres.
RFID를 적용한 항공물류 SCM 시스템의 설계 및 구현
형대진,김승구,이재윤,조현준,박경환 東亞大學校附設 情報技術硏究所 2005 情報技術硏究所論文誌 Vol.13 No.1
The present the information sharing among the subjects was not enough in Airway Logisctics Industry, because each subject use the independent system. The Airway Logistics Network is suggestion, but the Airway Logistics Network dose not operate with efficient connection, because each subject attached to the connection among the internal system. If the RFID system which one of Auto-ID systems is introduce into Airway Logistics, an efficient management of Airway Logistics will be possible. In this Paper, we introduce the RFID system into Airway Logistics SCM system for an efficient management and an efficient information sharing. We also develop Airway Logistics SCM system with priority given to Forwarder which is occupy an important position in Airway Logistics industry.
음의 도입에 의한 버스터미널 Soundscape 개선에 관한 연구
송혁,박현구,김선우 대한건축학회 2004 대한건축학회논문집 Vol.20 No.10
This study aims to enhance the soundscape for bus stations by introducing suitable sound sources for the features of spaces inside or outside of bus stations Sound sources are comprised of four artificial and five natural sounds, which are used for psycho-acoustic experiments For the experiment, evaluation on both background noise inn several places of bus stations and introducing sounds in the same places was performed using adjectives Environmental music among nine sound sources got a highest point and is considered to be effective for the soundscape of bus stations Whereas the broadcasting news got a lowest point These results could show effective way to introducing sounds to bus stations