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강영석,배장섭,김재향,김기래 신라대학교 자연과학연구소 2000 自然科學論文集 Vol.8 No.-
Many computers in the office and the laboratory of a school are generally interconnected through the Local Area Network (LAN). Users of computer interfaced with the LAN use the same printer with time sharing. Alternatively, they use the multi-user printer interface to print in the office which can't have LAN system due to the great expenses. Otherwise they have to connect directly moving the printer to computer. In this papaer, we present a new printer interface equipment which can interface a printer and multi computers through wireless using the radio frequency of about 430MHz. The tranceivers of the equipment consist of two part: one part is installed in parallel port of computer and other part is installed in Centronix port of printer. Their maximum data rate is 9600bps and the communication area is about 50 meters in best case. The merits of this equipment are low in cost and small in size.
광주지역 황사기간중의 대기 건성침적량의 특성에 관한 연구
류일광,이치영,강영식,노기환,김관천,유경석,강동구 광주보건대학 2002 論文集 Vol.27 No.-
The deposition amounts of Ferric that are naturally originated elements from earth crust. The rate was 14,993㎎/㎡ day at the rang yellow sand season, which was 20 times higher than at the ordinary times. Artifical earth crust element Cr were lower than the amount yellow sand an increase. Naturally originated elements origination, movment channel and mutual be close the correlations of elements each other and were lower than in artificially originated elements. Deposition amount of chang were higher before yellow sand, lower before yellow sand of origination, time were inverse proportion. The average concentration of liquefactive metals high, compare heavy matal and numerous of deposition amount. A1so gain liquefactive matal were rescattering numerous on account of little mass deduction.
安奉遠,李錫孫,姜喆基,林秀眞,金恩一 경희대학교 1988 造景論叢 Vol.1 No.1
The goal of this study is to propose a plan for the construction of Chonan Samgori park. Present this park is designated a neighborhood park of Chonan city. This park is located on the point of traditionally important traffic point linked to Samnam province. And, this place is where the perspective experience of history and culture, which is a unique folk related activities. The site which covers about 96,000㎡is located about 4 km from the cityhall of Chonan city. This basic idea of this plan is to reconstruct the ancient culture and traditional way of life which is rapidly disappearing, to offer the place of education of vernacular culture, to give the recreation place to be a center where city dwellers release and enjoy. Facilities of this park are divided into five groups according to function such as support facilities, folk facilities, play facilities, educational and cultural facilities, and landscape facilities. Design principles are established as follows; to provide the folk park with identity, effectively to admit the folk-related activities, to maintain a functional linkage between facilities. The frame works for final master plan are Landuse plan, Circulation plan, Planting Plan, Facility plan.
도시공원의 이용후 평가에 기초한 공원의 개발지표 설정 : 부산광역시 암남공원을 사례로 Case Study of Amnam Park in Busan City
박승범,김승환,남정칠,강영조,이기철,김석규 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.2
The purpose of this study is to investigate the prime factors that affect to user postoccupancy evaluation of activities and facilities in urban parks, to classify those factors, to find out factors about them, and then to suggest important indicators in the urban park planning, design, and development. The survey research was done using the self-administered questionnaire method by 435 peoples in the Busan City who participated in recreational activities in the Amnam Park. The Analysis of the data primarily consists of two phase: The first analysis was dealt an exploratory factor analysis which identified major factors involved in user postoccupancy evaluation with reacreational activities and facilities in Amnam Park by the SPSS(Ver.6.0) program and the second analysis was used to investigate the factors affected to user postoccupancy evaluation in the urban park by the Regression Analysis. According to the factor analysis, user postoccupancy evaluation of facilities in urban parks concerning the 20 variables, 5 prime factors by the staistical values were considered. The factor analysis showed that user postoccupancy evaluation of activities in urban parks concerning the 11 variables, 3 prime factors by the staistical values were analysed. Postoccupancy evaluation in the urban park by the Regression Analysis suggested that the two varlables as 'the directions of park development' and 'companies with the personal specific characteristics' are significant in addition to the some variables presented in user postoccupancy evaluation with reacreational activities and facilities in Amnam Park by the factor analysis. Furthomore the analysis models were identified as having significant effects on the factor and regression analysis. Overall fits of both models were very good. These significant relationships indicate important factors and variables that should be considered in planning, design, and development of the urban parks. Therefore, development direction of the h a m park has to be analyzed as significant factors concerning user postoccupancy evaluation in a systematic way, recognized as important variables for planning process. The urban park has to be fully designed and established in the planning process not by the decision-maker's subjective evaluation but by user postoccupancy evaluation.
Lithospermic acid B ameliorates the development of diabetic nephropathy in OLETF rats
Kang, Eun Seok,Lee, Geun Taek,Kim, Beom Seok,Kim, Chul Hoon,Seo, Gi Ho,Han, Seung Jin,Hur, Kyu Yeon,Ahn, Chul Woo,Ha, Hunjoo,Jung, Mankil,Ahn, Young Soo,Cha, Bong Soo,Lee, Hyun Chul Elsevier 2008 european journal of pharmacology Vol.579 No.1
<P><B>Abstract</B></P><P>Lithospermic acid B (LAB), an active component isolated from <I>Salvia miltiorrhizae</I>, has been reported to have renoprotective effects in type 1 diabetic animal models. In the present study we investigated the effects of LAB on the prevention of diabetic nephropathy in type 2 diabetic Otsuka Long-Evans-Tokushima Fatty (OLETF) rats. LAB (20?mg/kg) was given orally once daily to 10-week-old male OLETF rats for 28?weeks. Treatment of OLETF rats with LAB had little effects on body weight and blood glucose levels. Treatment with LAB resulted in significant reduction in blood pressure. LAB markedly attenuated albuminuria and significantly lowered levels of lipid peroxidation, monocyte chemoattractant protein-1 (MCP-1), and transforming growth factor-β (TGF-β1) expression in renal tissues of OLETF rats. In addition, LAB inhibited the progression of glomerular hypertrophy, mesangial expansion, and expansion of the extracellular matrix in the renal cortex. Collectively, these results suggest that LAB has beneficial effects on the diabetic nephropathy in OLETF rats by decreasing blood pressure, oxidative stress, and MCP-1 expression. Our results suggest that LAB might be a new therapeutic agent for the prevention of nephropathy in type 2 diabetes.</P>
Gi Ja Lee,Seok Keun Choi,Yun Hye Eo,Sung Wook Kang,Samjin Choi,Jeong Hoon Park,Ji Eun Lim,Kyung Won Hong,Hyun Seok Jin,Berm Seok Oh,Hun Kuk Park 대한생리학회-대한약리학회 2009 The Korean Journal of Physiology & Pharmacology Vol.13 No.1
During operations, neurosurgeons usually perform multiple temporary occlusions of parental artery, possibly resulting in the neuronal damage. It is generally thought that neuronal damage by cerebral ischemia is associated with extracellular concentrations of the excitatory amino acids. In this study, we measured the dynamics of extracellular glutamate release in 11 vessel occlusion (VO) model to compare between single occlusion and repeated transient occlusions within short interval. Changes in cerebral blood flow were monitored by laser-Doppler flowmetry simultaneously with cortical glutamate level measured by amperometric biosensor. From real time monitoring of glutamate release in 11 VO model, the change of extracellular glutamate level in repeated transient occlusion group was smaller than that of single occlusion group, and the onset time of glutamate release in the second ischemic episode of repeated occlusion group was delayed compared to the first ischemic episode which was similar to that of single 10 min ischemic episode. These results suggested that repeated transient occlusion induces less glutamate release from neuronal cell than single occlusion, and the delayed onset time of glutamate release is attributed to endogeneous protective mechanism of ischemic tolerance.
Gi-Seok Kang,Hyo-Bin Jeong,Sun Ho Jung,Wook-Gyo Lee,Chang-Won Jang,Shin-Hyeong Cho,Dong-Kyu Lee 한국응용곤충학회 2019 한국응용곤충학회 학술대회논문집 Vol.2019 No.04
Surveillance of the vectors were conducted at a total of 7 locations from March to November, 2018 in Gyeongnam province. In the surveillance, a total of 13 species belonging to seven genera were collected in a total of 15,935 females and 126.5/trap/night (TI; Trap Index) in 2018. Among the collection sites, a bird refuge in Busan, Eulsukdo recorded the highest TI 230.4 (Species Ratio; SR 60.1%) for Cx. tritaeniorhynchus females in 2018. A Cx. tritaeniorhynchus female collected firstly for 2018 in the nation at the pigsty of Busan at 1st April. In the results of isolation of viral RNA from 12 mosquito species including Cx. tritaeniorhynchus, Cx. pipiens, Ae. vexans, Ae. albopictus, and Oc. togoi. Chaoyang virus was positive at a pool of Ar. subalbatus collected at a bird refuge but negative in the other 543 pools (14,295 individuals) in 2018.
Lee, Gi-Ja,Choi, Seok-Keun,Eo, Yun-Hye,Kang, Sung-Wook,Choi, Sam-Jin,Park, Jeong-Hoon,Lim, Ji-Eun,Hong, Kyung-Won,Jin, Hyun-Seok,Oh, Berm-Seok,Park, Hun-Kuk The Korean Society of Pharmacology 2009 The Korean Journal of Physiology & Pharmacology Vol.13 No.1
During operations, neurosurgeons usually perform multiple temporary occlusions of parental artery, possibly resulting in the neuronal damage. It is generally thought that neuronal damage by cerebral ischemia is associated with extracellular concentrations of the excitatory amino acids. In this study, we measured the dynamics of extracellular glutamate release in 11 vessel occlusion(VO) model to compare between single occlusion and repeated transient occlusions within short interval. Changes in cerebral blood flow were monitored by laser-Doppler flowmetry simultaneously with cortical glutamate level measured by amperometric biosensor. From real time monitoring of glutamate release in 11 VO model, the change of extracellular glutamate level in repeated transient occlusion group was smaller than that of single occlusion group, and the onset time of glutamate release in the second ischemic episode of repeated occlusion group was delayed compared to the first ischemic episode which was similar to that of single 10 min ischemic episode. These results suggested that repeated transient occlusion induces less glutamate release from neuronal cell than single occlusion, and the delayed onset time of glutamate release is attributed to endogeneous protective mechanism of ischemic tolerance.