대구시 아파트단지의 주차수요에 관한 연구

박찬돈,하재명,Park Chan-Don,Ha Jae-Myung 한국주거학회 2004 한국주거학회 논문집 Vol.15 No.5

After 1980's, the ratio of car possessions has been increased rapidly. Nowaday, most large cities have suffered a lot of problems about traffic and car parking. Specially in apartment complexes, they have parking problem which is caused by the parking demand. The ratio of parking demand at multi-family housing sites has been increased significantly, therefore several parking problems have occurred. The goal of this study is to investigate the parking demand per housing unit size of apartment complex in Daegu city. The results of this study is as follows. (1) The parking demand of 60 $m^2$ below sized housing unit is 1.09 car per the unit. (2) The parking demand of 60 $m^2$ over 85 $m^2$ below sized housing unit is 1.31 car per the unit. (3) The parking demand of 85 $m^2$ over 135 $m^2$ below sized housing unit is 1.74 car per the unit. (4) The parking demand of 135 $m^2$ over sized housing unit is 2.10 car per the unit.

퍼지 제어기를 이용한 차량의 자율주차 시뮬레이션

박재현,김승철,한창훈,박종오,임영도 東亞大學校 附設 情報通信硏究所 1998 情報通信硏究所論文誌 Vol.6 No.1

In a case of driving beginnners, it is very difficult to park a car perfectly because driver's knowledge makes more errors than intelligent mechanism when they are performed repeatedly. However skilled drivers be of experienced knowledge are able to park a car quickly. In this paper, we analyzed driving patterns of skilled drivers, designed the fuzzy controller to park based on it, and perform auto-parking simulation of a car using that controller.

친환경 도시건설 이념에 따라 조성된 도시의 녹지 구조 및 기능 비교 분석 : 행정중심복합도시와 일본 쓰쿠바시를 사례로

아이다아야노(Aida, Ayano),박찬(Park, Chan),최재연(Choi, Jae Yeon),조민균(Cho, Min Gyun),김수련(Kim, Su Ryeon) 대한국토·도시계획학회 2020 國土計劃 Vol.55 No.5

This study compares and analyzes the structure and function of green spaces from the perspective of humans and ecosystems, targeting the Multifunctional Administrative City and Tsukuba-si, which were planned as Eco-cities. Through a review of previous research on both aspects of people’s use and ecosystems, three analysis items were set: “Green Connectivity,” “Accessibility of Urban Parks”, and “Quality of Urban Parks”. In addition, changes in the green space of Tsukuba-si were also analyzed. As a result, the Multifunctional Administrative City has relatively high accessibility to urban parks, but the connectivity and quality of green areas were found to be low. Green connectivity was more than doubled depending on the area of green and distribution, and quality of urban parks was significantly different in terms of dense vegetation (above NDVI 0.6). Although there has been little change in green areas of Tsukuba-si for 30 years, the dense vegetation area and connectivity was found to have improved in the core area. To develop into an Eco-city, the following is required: (1) Green space plans and development methods that assure connectivity and area, (2) improve the layout of urban parks to increase equity, and (3) interaction between vegetation plan and sustainable management.

Elevational Distribution of Breeding Bird Communities in Seoraksan National Park, Korea

( Hyun-su Hwang ),( Jae-kang Lee ),( Tae-kyung Eom ),( Ho-kyoung Bae ),( Dong-ho Lee ),( Jong-hwan Lim ),( Sung-cheol Jung ),( Chan-ryul Park ),( Shin-jae Rhim ) 한국산림과학회(구 한국임학회) 2020 한국산림과학회지 Vol.109 No.1

In this study, the elevational distribution of breeding birds in Seoraksan National Park, Korea was investigated. Forty-six species of birds were documented from line transect surveys taken from Seorakdong at 230 m above sea level (a.s.l.) to the Daechungbong summit at 1708 m asl. Birdspecies richness and diversity were highest in Seorakdong and lowest at the Daechungbong summit. As elevation increased, bird species richness and diversity decreased, with a humped-shape trend being observed between 700 m and 1200 m a.s.l. Stepwise analyses revealed that breeding bird species diversity indices were significantly negatively correlated with elevation (r² = 0.327, P < 0.001) and positively correlated with vegetational coverage (r² = 0.324, P = 0.046). Higher elevations supported fewer birds than low and intermediate elevations. Projections at the local scale, including data on behavior and habitat use by birds, will be necessary for optimal conservation and management of the bird communities in Seoraksan National Park.

Elevational Distribution of Breeding Bird Communities in Seoraksan National Park, Korea

Hwang, Hyun-Su,Lee, Jae-Kang,Eom, Tae-Kyung,Bae, Ho-Kyoung,Lee, Dong-Ho,Lim, Jong-Hwan,Jung, Sung-Cheol,Park, Chan-Ryul,Rhim, Shin-Jae Korean Society of Forest Science 2020 한국산림과학회지 Vol.109 No.1

In this study, the elevational distribution of breeding birds in Seoraksan National Park, Korea was investigated. Forty-six species of birds were documented from line transect surveys taken from Seorakdong at 230 m above sea level (a.s.l.) to the Daechungbong summit at 1708 m asl. Birdspecies richness and diversity were highest in Seorakdong and lowest at the Daechungbong summit. As elevation increased, bird species richness and diversity decreased, with a humped-shape trend being observed between 700 m and 1200 m a.s.l. Stepwise analyses revealed that breeding bird species diversity indices were significantly negatively correlated with elevation (r² = 0.327, P < 0.001) and positively correlated with vegetational coverage (r² = 0.324, P = 0.046). Higher elevations supported fewer birds than low and intermediate elevations. Projections at the local scale, including data on behavior and habitat use by birds, will be necessary for optimal conservation and management of the bird communities in Seoraksan National Park.

Pyrimidine계 액정의 중간체 합성

박승언,이찬재 建國大學校基礎科學硏究所 1993 理學論集 Vol.18 No.-

Pyrimidine계 액정 화학물 합성 과정의 중요한 전구물질인 1-dimethylamino-3-dimethylimino-2-(4-hydroxyphenyl)propene perchlorate와 4-((S)-2-methylbutyl)Phenylamidine hydrochloride를 합성하였다. Amidinium염은 4-((S)-2-methylbutyl)acetophenone으로부터 합성하였다. Amidine염과 perchlorate염의 반응에서 얻은 pyrimidine 유도체는 편광현미경과 DSC를 이용하여 분석한 결과 강유전성을 지니는 액정 화합물임을 알 수 있었다. The two synthetic intermediates for the preparation of pyrimidine type liquid crystals, 1-dimethylamino-3-dimethylimino-2-(4-hydroxyphenyl)propene perchlorate and 4-((S)-2-methylbutyl)phenylamidine hydrochloride, were synthesized. 1-Dimethylamino-3-dimethylimino-2-(4-hydroxyphenyl)propene perchlorate was prepared from the Vilsmeier reaction of 4-hydroxypheylacetic acid, and 4-((S)-2-methylbutyl)phenylamidine hydrochloride was prepared via 4 steps from 4-((S)-2-methylbutyl)acetophenone, respectively. The pyrimidine derivatives prepared from the amidine salt and perchlorate salt showed ferrolelectric mesophases by the DSC and polarized microscopic analysis.

藥鍼用蜂毒液이 黑色腫細胞에 미치는 抗癌效果에 對한 分子生物學的 硏究

朴贊烈,南相水,金昌煥,李栽東,姜成吉,李潤浩,安秉哲 경희대학교 동서의학연구소 2001 東西醫學硏究所 論文集 Vol.2000 No.-

To study anti-cancer effect and molecular biological mechanism of bee venom for aqua-acupuncture, the effects of bee venom on cell viability, apoptosis, and cell cycle were analyzed using MTT assay, tryphan blue assay, [3H]thymidnine release assay, flow cytometric analysis, activity of caspase-3 protease activity assay, and immunocytometric analysis of PCNA. To explore whether anti-cancer effects of bee venom are associated with the transcriptional control of gene expression, quantitative RT-PCR analysis of apoptosis- and cell cycle-related genes was performed. The obtained results are summarized as follows: 1.The MTT assay demonstrated that cell viability was decreased by bee venom in a dose-dependant manner. 2.Significant induction of apoptosis was identified using tryphan blue assay. [³H]thymidine release assay, and flow cytometric analysis of sub G₁fraction. 3.In analysis of caspase-3 protease activity, the activity had increased significantly, in a dose-dependant manner. 4.Quantitative RT-PCR analysis of the apoptosis-related genes showed that Bcl-2 and Bcl-X□ were down-regulated whereas Bax was up-regulated by bee venom treatment. 5.In flow cytometric analysis of cell cycle and immunocytometric analysis of PCNA expression, cell numbers of G₁phase was increased by a dose-dependant manner. 6.In quantitative RT-PCR analysis of the cell cycle-related genes, p21, p27, and p57 were increased, while Cyclin D1, CDK4, c-Myc, c-Fos, and Histone H3 were decreased. In contrast, there were no remarkable changes in expression levels of CDC2 and c-Jun.

유색미,현미및 일반미 절편의 품질 특성 비교

박민경,이재민,박찬현 한국조리과학회 2002 한국식품조리과학회지 Vol.18 No.5

Cholpyon, a traditional Korean rice cake, was prepared using pigmented rice and the quality characteristics them were compared with cholpyon made of brown and white rice during 24 hr storage at 20℃. In proximate composition, crude protein contents were not significantly different among three rice varieties whereas the contents of crude lipid and ash in pigmented and brown rice were higher than that of white rice. In mechanical characteristics, 100% pigmented rice cholpyon showed lower values for hardness, cohesiveness, springiness and chewiness, and higher value for adhesiveness compared with those of white rice cholpyon. These results were maintained for 24 hours. Sensory characteristics of 100% pigmented rice cholpyon such as color, hardness and overall quality were better than those of white rice cholpyon. Brown rice cholpyon had similar mechanical properties to 100% pigmented rice cholpyon, but showed the lowest preference in color.

생쥐 소장의 interstitial cells of Cajal에서 ATP-민감성 K^(+)통로를 통한 향도잡이 전류의 조절

박찬국,김만우,김형석,최석,전제열 朝鮮大學校 附設 醫學硏究所 2005 The Medical Journal of Chosun University Vol.30 No.1

Objectives: This study was performed to investigate whether ATP-sensitive K^(+) channels exist in interstitial cells of Cajal (ICC) of mouse small intestine and the physiological role of ATP-sensitive K^(+) channels in gastrointestinal motility. Methods: ICC were isolated from mouse small intestine and cultured for 2 days. Electrical activities of ICC were recorded using the whole-cell patch-clamp technique at 30°C. Results: ICC displayed rhythmic slow waves and spontaneous inward currents (pacemaker currents). Pinacidil, an ATP-sensitive K^(+) channel opener, induced membrane hyperpolarization and decreased amplitude of slow waves in current clamping mode. Also, pinacidil inhibited amplitude and frequency of pacemaker currents and activated outward currents at a holding potential of -70 mV. Pinacidil effects on slow waves and pacemaker currents were blocked by glibenclamide, a specific blocker of ATP-sensitive K^(+) channel. Forskolin, an activator of adenylate cyclase, induced membrane hyperpolarization and inhibited pacemaker currents like as pinacidil and blocked by glibenclamide. Conclusions: These results suggest that ATP-sensitive K^(+) channels exist in ICC and may be play an important role in regulating gastrointestinal motility through the modulation of pacemaker activities of ICC.

동시회로를 이용한 ^(3)H, ^(14)C 방사선 측정에 관한 연구

박찬희,박재우 제주대학교 방사능이용연구소 2005 방사선응용과학연구소논문집 Vol.19 No.-