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임실N치즈축제 성공요인 중요도 분석 - 전문가와 지역주민 인식 비교를 중심으로 -
정일범 ( Jeong Il-beom ),조승현 ( Cho Soong-hyun ),정병현 ( Jung Byung-hyun ),권도윤 ( Kwon Do Yoon ) 한국자치행정학회 2020 한국자치행정학보 Vol.34 No.4
The purpose of this study is to analyze the differences in the perception of importance between the groups of experts and local residents on the success factors of the Imsil N Cheese Festival, and to provide the basis for establishing a successful model of the Imsil N Cheese Festival in the future, and to help build a successful model of the regional festival in each region in the future. To this end, 30 copies of the expert questionnaire (10 public officials, 10 local residents, and 10 experts) were analyzed by the AHP. Relative importance was analyzed by comparing two indicators with each other by using a two-way comparison method. For the survey, three areas were selected for the primary level, nine for the secondary level and 26 for the third level. The value of the eigenvector from the final sample was obtained using the AHP specialized program Expert Choice 11.5. There are three kinds of analysis results. First, there is a difference in perception between groups of experts and local residents about the success factors of the Imsil N Cheese Festival. Second, political and administrative factors were found to be important factors at the first level of the Imsil N cheese industry, and abundant food at the second level, the will of the group leader, and Father Chung Ji-hwan. Third, cheese & pizza, full budget support, 10 million chrysanthemum flowers, Father Jung Ji-hwan and Cheese History for 50 years were found to be important factors in the third level. The policy implications of this study are threefold. First, active attention and support from the head of the local government are needed. Second, it is necessary to upgrade the Imsil N Cheese Festival with 10 million chrysanthemums. Third, it is necessary to create a multi-square for the creation of roses and the promotion of the rural theme park project, and to connect the movement of the Cheese Theme Park and the Rural Theme Park in Cheese Village so that the local Cheese Village can coexist.
노즐 분사 방식의 ITO 표면 포토레지스트 박리과정 요인의 수치해석
김준현(Joon Hyun Kim),이준혁(Joon Hyuck Lee),강태성(Tae Seong Kang),주기태(Gi-Tae Joo),김용성(Young Sung Kim),정병현(Byung Hyun Jeong),이대원(Dae Won Lee) 한국생산제조학회 2017 한국생산제조학회지 Vol.26 No.2
This study investigated spraying factors applicable to stripper usage. Cyclodextrine, as environment-friendly material, was included in the stripper composition. An efficient spray technology was applied for the Photoresist strip. For industrial applications, stripping requires a temperature below 50℃, a strip time within 50 s, and chemically stable activation. Spraying factors were organized considering many conditions-orifice diameter, working pressure (inlet speed), spray distance, and spray angle. For commercial practicability, the flow rate was limited to 3 L/min. The nozzle parameters were nozzle orifice diameter of 1.8-2.2 mm, spray distance of 40-60 mm, and injection speed of 0.7-1.2 m/s. Through the thermal spray movement of the fluid, the thermal boundary layer for a chemical reaction just above the ITO-glass surface and momentum region for sufficient agitation (above 4 m/s) was achieved.
딥핑 방식을 이용한 ITO 표면의 효율적인 포토레지스트 박리공정
김준현(Joon Hyun Kim),심재명(Jae Myung Sim),주기태(Gi-Tae Joo),김용성(Young Sung Kim),정병현(Byung Hyun Jeong) 한국생산제조학회 2016 한국생산제조학회지 Vol.25 No.4
Agitation is a secondary process used to increase the PR stripping force on an ITO-glass surface; it is an efficient approach to stripping during production. It activates the stripper to chemically penetrate the PR layer and assists by breaking down the physical bonding forces at the surface. In this study, different stripping tests were conducted by varying the dipping time, the composition, the strip temperature, and the stripper concentration. Optimal PR strip conditions were estimated by using comparative visual inspection of stripped sample surfaces. The stripping process was affected by changes in the moving speeds and the sample positions. It was confirmed that the stripping capability improved at a dilute stripper ratio of 20-40% and a strip temperature of 30-40°C and within 60 s of strip time.
Dip 추출에서 유체 표면의 영향을 고려한 친환경 포토레지스트 박리공정
김준현(Joon Hyun Kim),김승현(Seung Hyun Kim),정병현(Byung Hyun Jeong),주기태(Gi-Tae Joo),김용성(Young Sung Kim) 한국생산제조학회 2016 한국생산제조학회지 Vol.25 No.1
This paper describes a green stripping process to effectively strip the remaining DFR layer on a non-alkali-based ITO glass surface after an etching process. A stripper, water-soluble amine compound, is used to investigate the characteristics of stripping ability and to suggest a valid method for the green process. Increasing the composition (5-30% concentration) of the ethanol amine-based stripper was found to greatly reduce the stripping time applied in the dipping method. The composition (30%) achieved an excellent stripping effect and free-residue impurities. Additionally, it was possible to obtain the effect of stripping in a way to sustain the release before generating DFR sludge from the ITO glass surface by using dipping condition (stripping time) in the composition. An Additional stripping process (buffering) out of dipping can realize productivity improvement and cost reduction because of the higher proportion of re-use of the stripping solution used in the DFR removal step.
완전정맥마취와 휘발성유도/유지마취에서 정량적 뇌파를 이용한 마취심도의 감시
이수한,노규정,정병현,Lee, Soo-Han,Noh, Gyu-Jeong,Chung, Byung-Hyun 대한수의학회 2006 大韓獸醫學會誌 Vol.46 No.1
To evaluate method for monitoring anesthetic depth with quantitative electroencephalography (q-EEG), we recorded processed EEG (raw EEG) and pain score till 100 minutes in beagle dogs anesthetized for 60 minutes with propofol (n = 5, PRO group), isoflurane (n = 5, ISO group) and propofol-ketaminefentanyl (n = 5, PFK group). Raw EEG was converted into 95% spectral edge frequency (SEF) by fast Fourier transformation (FFT) method. We investigated anesthetic depth by comparing relationship (Pearson's correlation) between q-EEG (95% SEF) and pain score. Pearson's correlation coefficients are +0.2372 (p = 0.0494, PRO group), +0.79506 (p < 0.001, ISO group) and +0.49903 (p = 0.0039, PFK group).
분무열 분해법으로 성장한 Ca doped TiO2의 구조특성에 관한 연구
이승호 ( Seug Ho Lee ),정병현 ( Byung Hyun Jeong ) 조선대학교 치의학연구원 2010 Oral Biology Research (Oral Biol Res) Vol.34 No.1
TiO2 films were deposited onto the glass substrates by means of spray pyrolysis. The structural properties of TiO2 films have been studied using XRD, SEM, and EDS. The TiO2 films prepared with substrate temperature of 450℃ were identified as tetragonal structure of TiO2 films with (101) preferred orientation. X-ray diffraction(XRD) analysis revealed that TiO2 films have a tetragonal structure. Upon annealing at 600℃ for 2 h in an ambient air, these film became polycrystalline. TiO2 films doped with calcium had a same type of structural property with TiO2 film as (101), (004), (200) peaks of XRD pattern didn`t have any change based on the XRD pattern Intensity.
CLA와 selenium의 투여가 닭의 체구성과 혈중 콜레스테롤 수준에 미치는 영향
전호진,김진영,임좌진,이수한,이병한,정순욱,박희명,정병현,Jun, Ho-Jin,Kim, Jin-Young,Lim, Joa-Jin,Lee, Soo-Han,Lee, Byeong-Han,Jeong, Soon-Wuk,Park, Hee-Myung,Chung, Byung-Hyun 대한수의학회 2005 大韓獸醫學會誌 Vol.45 No.3
The purpose of this study was to examine whether conjugated linoleic acid and selenium supplementation in broiler chicken diets would be effective, enhance indices of immune status and body weight, and modulate serum lipid concentration. Forty Hyline brown chickens, 1 weeks of age, were divided into 5 groups of 8 chickens. Chickens were fed the experimental diets supplemented with 1% CLA (conjugated linoleic acid; Group 1), 1% CLA + selenium (Group 2), 1% safflower-seed-oil as LA (Group 3), 1% safflower-seed-oil as LA + selenium (Group 4) or nothing (Control) for 4 weeks. After 4 weeks, serum, liver, spleen and abdominal fat were taken. Measurement of total immunoglobulin were executed using sandwich ELISA. Weight ratio of liver to body showed that the group fed with CLA were significantly higher than the group fed with CLA + selenium. Weight ratios of spleen and fat to body showed no significantly differences. In concentrations of serum total cholesterol and HDL-cholesterol, the group fed with CLA showed significantly higher values than that fed with CLA + selenium. In concentrations of serum triglyceride and LDL-cholesterol there were no significantly differences between the treatment groups. In conclusion, supplementation of CLA with selenium protected hepatomegaly and reduced level of serum total cholesterol and HDL-cholestererol in chickens.
간헐적 일시 정맥주사 마취에서 정량적 뇌파분석을 이용한 마취 심도의 평가
이수한,배춘식,노규정,배균섭,김진영,정병현,Lee, Soo-Han,Bae, Chun-Sik,Noh, Gyu-Jeong,Bae, Kyun-Seop,Kim, Jin-Young,Chung, Byung-Hyun 대한수의학회 2005 大韓獸醫學會誌 Vol.45 No.1
To assess anesthetic depth using quantitative electroencephalography (q-EEG), we recorded processed EEG (raw EEG) till 100 minutes in beagle dogs anesthetized for 60 minutes with tiletamine/zolazepam (n=5, TZ group), xylazine/ketamine (n=5, XK group) and propofol (n=5, PI group) by intermittent bolus injection. Raw EEG was converted into 95% spectral edge frequency (SEF) and median frequency (MF) through fast fourier transformation (FFT) method. 95% SEF value of TZ group was significantly higher (p<0.05) than the XK group from 10 minutes to 100 minutes. 95% SEF value of PI group was significantly higher (p<0.05) than the XK group from 10 minutes to 40 minutes, and significantly low (p<0.05) than XK group at 90 and 100 minutes. MF was significantly higher (p<0.05) in TZ group from 60 minutes to 100 minutes. Based on these results, using dissociative agent with ${\alpha}_2$-adrenergic agent is more potent in CNS depressed than using dissociative agent alone, and low doses of propofol has a disinhibitory effect on CNS.
Active biotelemetry를 이용한 젖소의 스트레스 반응 측정 I.보정 스트레스에 대한 경산우와 미경산우의 생체반응의 변화
임좌진,이병한,김진영,이수한,이동희,김재경,정순욱,최농훈,정병현,Lim, Joa-jin,Lee, Byeong-han,Kim, Jin-young,Lee, Su-han,Lee, Dong-hee,Kim, Jae-kyung,Jeong, Soon-wuk,Choe, Nong-hoon,Chung, Byung-hyun 대한수의학회 2001 大韓獸醫學會誌 Vol.41 No.4
This study was carried out to investigate the effectiveness of active biotelemetry to monitor stress response, and the effects of acute stressor (raising a hind foot of a standing animal) on body temperature (BT) and heart rate (HR) in comparison heifer group (n=4) with cow group (n=3). Both parameters were recorded by active telemetry. Cortisol assay was used to compare the result of active biotelemetry. The stressor consisted in restraining the cows for hoof treatments. Body temperature and heart rate were measured at 0, 10, 20, 30, 40, 50, 60, 90, 120, 180 and 360 minutes during the experiments, and also cortisol assay at 0, 0.5, 1, 2, 3, 12 and 24 hours. Base line for these animals was set in there accustomed environment at -24hrs and -30 mins before the beginning of experiments. The results obtained in this study were as follows: 1. In the BT, heifer group showed no significant difference from cow group, but were observed slightly higher BT than cow group during restraint stress for 30 minutes. 2. The both groups showed directly significant increase of HR immediately after the beginning of the restraint stress (P<0.01), but in the required time for the recovery of HR after finishing the stress, heifer group was 40 minutes and cow group 60 minutes. 3. In the cortisol assay, the both groups increased from 30 to 120 minutes after the beginning of experiment (i.e, from 0 to 90 minutes after finishing the restraint stress), showing significant difference from before the beginning of the stress (P<0.01), but heifer group showed great increase of the cortisol level from 30 to 60 minutes after the beginning of the stress, while cow group was observed at 60 minutes. In conclusion, we suppose that care is required to decrease psychological stress in cattle when they suffer from a series of procedures for diagnosis and treatment, especially in heifers rather than in cows. Also BT and HR obtained by active biotelemetry are reliable indicators of stress in cattle.