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제주도 감귤원 토양의 V.A-mycorrhizae분포 및 사상균에 의한 인광석의 용해에 관한 연구
김형옥,유장걸,이신찬,R.M.N. Kucey 제주대학교 1984 논문집 Vol.17 No.-
The mycorrhizae spore densities (spore numbers/100g soil) were measured on six sites of citrus field by the floating method to estimate the mycorrhizae distniution on volcanic ash soil in Jejudo. Phosphate solubilizing fungi and bacteria in the soils were isolated and selected by the succesive pure culture in the potato dextrose agarcalcium phosphate (PDA-P) media. The phosphate solubilizing capacities of the sele-cted fungi were measured after incubating in the liquid media mixed with 200 mg of powdered rock phos-phate for one week. 1. The highest spore density (456/100g soil) was observed in the soil from the 6 years citrus field located on Samyangdong, Jeju-si and the next one (385/100g soil) from the 18 years citrus field at the same place. The soils from Topyeongdong, Seogwipo-si (1)(2) were found to contain lower mycorrhizae spores than other sampling sites, 256/100g soil at seven years citrus field and 166/10g soil at twenty one years citrus field. 2. Colony radii and halo radii of bacteria measured 4mm - 11mm and 6mm-22mm, and colony radii and halo radii of fungi were 8mm-12mm and 14mm-18mm respectively when they were incubated in PDA-P media for one week. 3. The selected fungi, based on the radius size of colony and halo, dissolved 0.46mg-2.64mg P_(2)0_(3) from 200mg of powdered rock phosphate in the liquid media.
김기흥,류근상,신영철,이형래 진주산업대학교 산업과학기술연구소 2004 산업과학기술연구소보 Vol.- No.11
In order to evaluate six formula of T_(c) presented in the facilities criterion of small basin, the water stages were observed on fifteen mountainous small basin in Sanchung county region. The results of six formula compared with the observed data to evaluate T_(c). All basin area were less than 2.25 ㎢. The average basin area was 1.19 ㎢, the average basin length was 1.65 ㎢, the average basin slope was 6.95%, average length and slope of main channel were 1.86 ㎞ and 7%. The average T_(c) was 33.77 minutes and results of six formula showed the changes in average and standard deviation widely. The conclusions obtained in this study are as follows. The time of concentration was influenced basin slope, basin length, basin slope and channel slope consequently but did not affected the shape factor of basin.
박형욱,김용기,임동명,윤신의,최봉남 朝鮮大學校 附設 醫學硏究所 1992 The Medical Journal of Chosun University Vol.17 No.1
The authors observed the clinical findings of 99 cases of traumatic drum perforations, who visited the department of otolaryngology of Chosun University Hospital and KwangYang Hospital from January 1988 to August 1991 The results obtained were as follows; 1) As an etiologic factor, the indirect trauma occupies the most case (79.8%), out of which the most cases is by assault. 2) Age distribution indicates 30 decade(32.3%) and 20 decade(26.3%) in the declining order and sex distribution indicates male to female is 1;1.3. 3) On occupation, house wife is the most frequently involved (35.4%) and officials & students are in the next order. 4) Most common complaint is Hearing impairment and the next complaints are tinnitus, otalgia and hemorrhage in order. 5) The most frequent site of perforation is the central portion of anteroinferior and posteroinfehor quadrant, Gradel in size and triangular shape are common. 6) Seasonal variation indicates that the most frequent occurence of perforation is on summer. 7) Average 25-35㏈ of hearing loss is most common, and the degree of hearing loss is well correlated with the size of perforation. 8) Two way of therapeutic measure are compared. a. stimulating with trichloroacetic acid ; spontaneously healing in 22 cases (22.2%) b. closing procedure with paper patch ; healing in 68 cases (68.7%) 9)The overall healing time is within 2 months in the most of case (about 80%).
정신분열병 환자에서 얼굴 영상의 작동기억 장애 : 기능자기공명영상연구
이창욱,김태석,주라형,박주미,박여진,김종진,전신수,배치운,김정진,이수정,이철,백인호 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.2
Objectives : Impaired processing of facial information is one of the broad ranges of cognitive deficits seen in patients with Schi-zophrenia. We aimed to elucidate the differences in brain activities involved in the process of facial working memory between schizophrenic patients and healthy comparison subjects. Methods : Twelve patients with schizophrenia were recruited along with twelve demographically matched healthy volunteers as a comparison group. Functional magnetic resonance imaging (fMRI) was used to assess cortical activities during the Perfor-mance of a 2-back working memory paradigm using images of neutral faces as mnemonic content. Rcsults : The patient group performed the tasks with reduced accuracy. Group analysis revealed that the left fusiform gyrus, the right superior frontal gyrus, the bilateral middle frontal gyri/insula, the left middle temporal gyrus, the precuneus, the quadrangular lobules and the vermis of cerebellum showed decreased cortical activities in the patient group. On the other hand, an increased level of activation in the lateral prefrontal cortex and the pahetal lobule was observed from the patient group, all in the right hemisphere. Conulusion : A decreased level of activity in the left fusiform gyrus among the patient group implicates inefficient processing of facial information. An increased level of activation in prefrontal and parietal neural networks from the patient group confirms earlier findings on the impaired working memory of patients with schizophrenia.
백서 천식에서 면역 증강성 CpG 올리고 뉴클레오티드 투여의 효과
이신형 ( Lee Sin Hyeong ),김제형 ( Kim Je Hyeong ),정혜철 ( Jeong Hye Cheol ),김경규 ( Kim Gyeong Gyu ),정기환 ( Jeong Gi Hwan ),김병규 ( Kim Byeong Gyu ),이승헌 ( Lee Seung Heon ),박상면 ( Park Sang Myeon ),신철 ( Sin Cheol ) 대한결핵 및 호흡기학회 2001 Tuberculosis and Respiratory Diseases Vol.50 No.1
Strain Analysis of Crust at the Stabilization Stage Using and Applied Statistical Analysis
( Hyeong Sin Kim ),( Hyun Seok Yun ),( Byung Gon Chae ),( Jung Hae Choi ),( Yong Seok Seo ) 대한지질공학회 2015 지질공학 Vol.25 No.1
A strainmeter goes through a period of instability immediately after installation. To determine the stability of strainmeters installed around the Andong fault zone, South Korea, an x-MR control chart analysis and a T2 control chart analysis were conducted. The x-MR control chart analysis used an empirically determined 3σ control limit line to identify abnormal data in recently installed strain gauges. In the T2 control chart analysis, the control limit line was set at a confidence of 95%. A comparison of the early stage of measurement with the terminal stage of measurement for three months after installation indicates that stabilization depends on the location and direction of each strain gauge in x-MR control chart analysis. In the T2 control chart analysis, the number of values exceeding the control limit line decreased as the terminal stage was approached. Based on these results, it is suggested that the 3σ control limit line of an x-MR control chart can be used as a standard for single gauge stability, and that the 95% confidence limit of a T2 control chart analysis could be used as the standard for the stability of multi-gauge strainmeters.
Calibrating KOMPSAT OSMI sensor using in situ measurements
Kim, Do Hyeong,Sohn, Byung Ju,Yoo, Sin Jae,Kim, Yong Seung,Suh, Young Sang 대한원격탐사학회 2001 International Symposium on Remote Sensing Vol.17 No.1
A vicarious calibration method was developed for an OSMI sensor calibration using sky radiometer measurements and observed water leaving radiances as inputs to a radiances transfer model. Observations of these input data were made during a cruise from April 16 to April 23, 2001 in the East Sea, while two KOMPSAT overpasses were made. TOA (top of the atrnosphere) radiance for each OSMI channel was calculated. Calibration coefficients are determined at six OSMI channels by comparing calculated TOA radiances with OSMI count values.
컨벤션센터에 대한 지역주민의 심리적 브랜드 커뮤니티가 컨벤션 도 시 차별성 지각, WOM 및 피드백 제공에 미치는 영향
김인신 ( Kim In-sin ),유예경 ( Yoo Yek-young ),김준형 ( Kim Joon-hyeong ) 대한관광경영학회 2016 觀光硏究 Vol.31 No.8
본 연구는 지역주민을 대상으로, 컨벤션센터에 대해 형성된 심리적 브랜드 커뮤니티 네가지 하위요인(브랜드 관계, 상품관계, 서비스 종사자 관계 및 타 고객관계) 중 해당 지역의 컨벤션 도시로서 차별성을 함양시키는 주요 요인을 확인하고, 컨벤션 도시 차별성은 지역주민의 긍정적 worth-of-mouth(WOM)와 적극적인 피드백 제공 행동을 수행하는지 고찰하는 것을 목적으로 한다. 연구목적을 수행하기 위하여, 선행연구를 바탕으로 모형을 제안하였고, 실증적 조사를 통하여 모형을 검증하였다. 조사대상은 부산지역의 대표 컨벤션센터인 BEXCO 행사 방문 경험이 있는 지역주민을 대상으로 하였으며, 385부의 수집된 데이터를 구조방정식모형분석을 통해 결과를 도출하였다. 분석결과는 첫째, 컨벤션센터에 대한 심리적 브랜드 커뮤니티 요인 중 브랜드와의 관계, 상품과의 관계 및 서비스 종사자와의 관계를 통해 컨벤션 도시 차별성이 함양되었으며, 컨벤션 도시로서의 차별성지각은 타인에게 구전을 하거나 피드백을 제공하는 행동을 촉진시켰다. 본 연구에서 도출된 결과를 토대로, 실무적 시사점과 학문적 시사점이 제공되었다. This study examined which factors of phychological brand community on convention center improve resident`s perception of convention city distinctiveness. Also, it verified whether the resident`s perception of convention city distinctiveness has the impact on the WOM and providing feedback. In order to test the model designed in this study empirically, questionnaires were distributed to residents who had experienced event hosted in the representative convention center of the city. Data were collected from residents visited BEXCO in Busan, South Korea, usable 385 data were analyzed using structural equation modelding(SEM). The findings revealed that brand relationship, product relationship and serivce provider relationship influenced residents` perception of convention city distinctiveness, but other customer relationship did not. Also, the residents` perception of convention city distinctiveness led to both WOM and providing feedback. According to the results of this study, practical implications and academic implications were provided.