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서식지 적합성 평가를 통한 국립공원 탐방로 관리 방안 연구 - 무등산 국립공원 내 담비 서식지를 중심으로 -
임치홍,이창석,정성희,박용수,Lim, Chi-Hong,Lee, Chang-Seok,Jung, Song-Hie,Park, Yong-Su 한국환경복원기술학회 2017 한국환경복원기술학회지 Vol.20 No.4
This study carried out for establishing the synthetic restoration plan to improve ecological quality of Mt. Mudeung National Park based on the results of conservation value assessment for yellow-throated marten habitats. Yellow-throated marten has significant implications as umbrella species for the wildlife habitats conservation, therefore, this species could be used to ecological restoration plan of the damaged forest ecosystem in Mt. Mudeung National Park. In this study, we diagnosed the quality of yellow-throated marten habitats in Mt. Mudeung National Park based on five natural and two artificial factors. In addition, we evaluated the integrity of each zone divided by trails quantitatively based on land use intensity. As a result, forest landscape quality in Mt. Mudeung National Park was influenced greatly by human activity and the degree was depended on the intensity of trails. Therefore, in this study, we suggested the closing of trails composed of the illegal and 36 legal trails. And then, we modeled the changes of habitats quality of Yellow-throated marten for each closing step. As a result the area of core habitats increased by two times and wildlife habitats quality improved in the whole area of the Mt. Mudeung National Park. As a result, the results of this study indicate that man-made linear landscape elements play a key role in the quality of habitats for predators, which require large habitats area like the Yellow-throated marten. Therefore, in order to establish an ecological restoration plan in the mountainous area, we recommend the concept of the linear landscape should be applied with the concept of area landscape.
선천성상부요로기형에서 발생한 요석에 대한 체외충격파쇄석술
박희수,박경민,정용호,김철성,장대수 조선대학교 부설 의학연구소 1999 The Medical Journal of Chosun University Vol.24 No.1
Purpose: We sought to determine the efficacy of extracorporeal shock wave lithotripsy(ESWL) in the treatment of urolithiasis with congenital upper urinary tract anomalies. Materials and Methods: Using the Northgate SD-3 lithotriptor, 43 patients with calculi with upper urinary tract anomalies were treated with extracorporeal shock wave lithotripsy(ESWL) at Chosun University Hospital from 1996 to 1998. The upper urinary tract anomalies were duplicated ureter in 12 cases, bifid pelvis in 10, malrotated kidney in 4, ureterocele in 3, UPJ obstruction in 3, caliceal diverticulum in 3, horseshoe kidney in 3, pelvic kidney in 2, medullary sponge kidney(MSK) in 2 and polycystic kidney in 1. The age range of the patients was from 22 to 70 years of age(mean of 49.6 years). There were 23 men and 20 women. The mean size of the stone was 10.1x8.6±4.9x4.3mm, General or regional anesthesia was not required. Results: The average frequency was 2.3 sessions and the average number of shock wave was 2258±1404 shock. The 3-month stone free rate was 90.7%, Complications of stone removal were petechia in 43 cases, gross hematuria in 36, severe flank pain in 9 and urinary infection in 2. All complications were treated successfully with conservative management. Conclusion: We conclude that ESWL monotherapy is a safe and successful modality as a noninvasive management of urolithiasis in patients with upper urinary tract anomalies.
박동연,이유상,조은영,조승희,장용이,전현옥,장수연,윤세창,김종원,홍경수 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.3
Objectives : The authors recently found a suggestive evidence of linkage of chromosome 8p21-12 to schizophrenia in Korean multiplex families. Neuregutin 1 (NRGI) was identified in this locus as a positional and functional candidate gene for Schizo-phrenia, through several independent studies with European and Chinese populations. The purpose of this study is to determine whether NRGl is associated with schizophrenia in Korean population. Methods : Three SNPs (SNP8NRG221533, SNP8NRG241930, SNP8NRG243177) and two microsatellites markers (478B14-848,420M9-1395) located at the 5' end of NRGI were genotyped for 242 unrelated schizophrenia patients and the same num-ber of normal controls. Genetic association was tested by χ²-test (df=1). Not only for the whole patients group but also for asubgroup of patients with auditory hallucination. This subtype showed stronger linkage with chromosome 8p12 in the prior study of the authors with multiplex families. Results : G allele of SNP8NRG241930 was significantly in excess in the subgroup of patients with auditory hallucination compared to the control group (p=0.03, 0R=1.76). We also found that 3 SNPs haplotype TTC (p=0.04, 0R=0.58) and five markers haplotype TTC53 (p=0.01,0R=0.49) were associated with schziophrenia with a protective effect. Three SNPs haplotype CGT which is a part of the at-risk haplotype of the Icelandic schizophrenia families was found in excess in the patients group but no significant association was observed. Conclusion : NRGI might either play a mle in the predisposition to schizophrenia or be in linkage disequilibrium with a causal locus of this illness.
2-Halobenzyl Phenyl Ether의 광반응성과 광반응 메커니즘
박용태,서주수,김영희 진주산업대학교 1997 論文集 Vol.36 No.-
The photochemical reaction behavior of 2-halobenzyl phenyl ethers were studied, in order to investigate photoreactivity and photoreaction mechanism of those compounds. The photochemical reactions of 2-halobenzyl phenyl ethers were studied in several conditions. Photo-Fries type products and phenol were obtained as main products, and small amounts of photocyclized and photoreduced products were obtained. In the presence of oxygen, the formation of phenol was not affected much, the formation of photo-Fries type products was changed a little, but the formations of photocyclized and photoreduced products were affected effectively. Photocylization and photoreduction were inhibited by piperylene. Therefore singlet state is involved in the formation of phenol, and triplet state may be involved in photocyclization and photoreduction. All products were affected by nitrous oxide except phenol, this result implies that radical or radical-anion is involved in those photoreaction.
박수용,조학래 대구보건대학 2001 대구보건대학 論文集 Vol.21 No.-
This thesis is a study in how to Introduce the CRM in the distribution industry. At first, I reflected on the theories on the CRM and then suggested how to build the CRM in the distribution industry. We need the CEO's firm belief on the CRM and all the workers' active participation to build the CRM successfully.
박성용,정용덕,임수연,김정화 조선대학교 전자정보통신연구소 2002 電子情報通信硏究所論文誌 Vol.5 No.1
This paper is a method to maintain the right of possesion for color images. previous method used an binary data, image, or binary pattern etc. So watermarked image was declined in image quality. But the information for insertion was limited. This paper proposed the method which will change RGB mode of original image to YIQ, at first, we will insert the watermark in the Low frequency cofficient of wavelet transform domain. The watermark use the owner's photo of a digital contents. which is 256 gray-level watermark, and it's size can be changed by the size of original image. As the result of simulation, our method can provide the rightful1 ownership against Rotation, Cropping, JPEG, and Scaling attacks.
박수용 대구보건대학 2000 대구보건대학 論文集 Vol.20 No.-
This thesis is method of promoting competitive power of retailers in Daegu. It proposes SCM-Network building between retailers and suppliers to promote competitive power of retailers. It proposes the important functions of SCM-Network. The functions of SCM-Network are to provide the sales information, the transaction data information, the information on settling accounts and the information on the joint physical distribution and to manage a joint purchasing center.