http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
2,10-dibenzyl-4,6,8-trioxo-3,9,-diaza undecane dioic acid의 합성에 관한 연구
박종민,최석남 공주대학교 사범대학 과학교육연구소 1984 과학교육연구 Vol.16 No.1
2, 10-dibenzyl-4,6,8-trioxo-3,9-diaza undecane dioic acid was synthesised under dry nitrogen by phenylalanine and 3-oxo glutaryl dichloride and 3-oxo glutaryl dichloride was prepared by reaction of β-oxo glutaric acid and thionyl chloride. 2,10-dibenzyl-4,6,8-trioxo-3,9-diaza undecane dioic acid could be used for extraction of uranyl ion as a ligand.
웰니스 관광 활성화를 위한 탐색적 연구: 전라남도를 중심으로
최석남,이종헌,채일순 관광경영학회 2018 관광경영연구 Vol.86 No.-
As a method to save in the danger of extinction and stagnant regions, this study focused on the revitalization of the tourism industry with particular focus on the exploration of wellness tourism where scale and growth potential are important. This is because the employment creation effect of this industry is superior to that of other industries, the value added is more than twice that of the main business in the manufacturing industry and the tax-induced multiplier is higher than the entire industry average. According to a report by the Korea Employment Information Service of Korea in 2016, "The Seven Analysis on the Local Demolition of Korea”, based on the ratio of the female population aged 20 to 39 compared to the population aged over 65, 17 regions (77%) of its 22 cities and counties in Jeollanamdo were found to be in danger of extinction. Therefore, we studied the specific proposal for stimulating wellness tourism with focus on Jeollanamdo with its poor conditions. The purpose of this study was to identify and classify cases of wellness tourism to identify resources in Jeollanamdo regions which were then utilized in presenting strategies to revitalize wellness tourism to local tourism officials to promote progressive decision-making on their part. The proposal recommended in this study include investing in and providing administration support for Haenam Oceano resort as tourist destination, active utilization of YouTube as a medium to promote tourism, and developing healing foods, construction of colorful sculptures to foster recognition as wellness tourist destinations, maintenance of wellness tourism service quality.
지역관광개발요인이 권역별 지방정부 관광협력에 미치는 영향: 대한민국 테마여행 10선, ‘남도바닷길’ 중심으로
최석남,장효 관광경영학회 2020 관광경영연구 Vol.99 No.-
The purpose of the study is to analyze whether the factors of regional tourism development affect tourism collaboration between local governments beyond the borders of local governments and whether wide area governments act as intermediary with primary governments for tourism collaboration. For the study, the laws·systems, tourism infrastructure, and local governance are extracted as variables for regional tourism development. The verifying results of hypotheses were as follows. First, the support from wide area governments increases when the tourism infrastructure and local governance as independent variable increase. And, the factors of laws and systems are partially adopted. Second, collaboration between local governments by region increases when local governance, tourism infrastructure, and laws·system factors increase. Third, collaboration between local governments by region increases when support from wide area governments increases. Fourth, the support from wide area government (parameter) partially mediates the effect on collaboration between individual local governments. In the subsequent study, it is expected that a study will be conducted to extract and compare the variable factors of tourism collaboration between regional and basic local governments with different cities and provinces.
교류폴라로그래프의 제작 : fundamental and second harmonic
박병빈,최석남 공주대학교 사범대학 과학교육연구소 1988 과학교육연구 Vol.20 No.1
An alternating current polargraph (fundamental and second harmonic) has been constructed using operational ampliers. This instrument is capable of phase sensitive detection and phase angle detection at the frequency of 70,140,280,560,1120Hz respectively. The AC and cyclic voltammogram of cd²+ show that this instrument could be applied to measure electrochemical onalysis and reaction.
2-hydroxy-5-[(3-nitrophenyl)azo]benzoic acid monosodium salt의 전기화학적 연구
최석남,이규철 공주대학교 기초과학연구소 1992 論文集 Vol.30 No.1
The electrochemical behavior of 2-hydroxy-5-[(3-nitrophenyl)azo] benzoic acid monosodium salt (AYGG) in dimethyl sulfoxide(DMSO) solution and aqueous solution was studied by polarography, cyclic voltammetry, chronopotentiometry, and controlled-potential coulometry at mercury and platinum electrodes. In aqueous solution, at pH 2 the compound is reduced by one irreversible two-electron step become hydrazo compound, and pH 8 occurs in one four-electron steps to give the corresponding amine compound. In order to investigate the type of reduction current at every reduction steps, dependence of limiting current on the height of mercury head and concentration of AYGG have been examined. The results were shown that the reduction current was controlled by diffusion. From the DC polarogram and cyclic voltammogram was investigated by Tome's test, iog i/id-i, peak current ratio and anodic peak etc. it found that the electro reaction was irreversible reduction. Transition time(τ), current density(I) increased with increasing pH values, and exchange current density(j), electron-transfer kinetic parameters αna, and k0f.h decreased in chronopotentiometry. In dimethyl sulfoxide(DMSO) as an aprotic solvent, the electrochemical reducion occurs in one two-electron steps after two one-electron steps to give the corresponding amine compound. Each reduction wave was considerably diffusion-controlled and irreversible. Transition time(τ) and iτ1/2 increased with increasing reduction steps. The prodcut of the first electron transfer is a stable anion radical. The second electron transfer to be dianion, and followed by chemical reaction producing a protonated species which is to the amine compound, the product of the third electron transfer also produces the corresponding p-nitro phennyl amine in a following reaction. The result was shown that the reduction of the material proceeds along four electron to give the corresponding amine compound, p-nitro phenyl amine and 2-hydroxy-5-aminobenzoic acid sodium salt.
한인전,김온식,최석남 공주대학교 사범대학 과학교육연구소 1982 과학교육연구 Vol.14 No.1
This study was dealed with the water quality of Gum River Resorvior at Kong-Ju. Seven sampling sites along the river and one sewage stream of Jemin Chun were surveyed monthly for 29 important water quality items from May to November, 1982. Jemin Chun passing through the heart of Kong-Ju city was already overwhelmed the limitation of third class standard industrial water quality. The average water qualities of the Gum River around the Kong-Ju were almost just within the limitation of the standard drinking water, but some items were a little bit exceeded during the summer or drain season of the year. Installation of adequate sewage water treatment plants near the big cities are recommended.
p-Nitrocinnamaldehyde의 가수분해 반응 메카니즘에 관한 반응속도론적 연구
최석남,윤세중,홍춘표 공주대학교 사범대학 과학교육연구소 1984 과학교육연구 Vol.16 No.1
The rate constants of the hydrolysis of p-nitrocinnamaldehyde were determined by ultraviolet spectrophotometer, and a rate equation which could be applied over wide range of pH was obtained. The reaction machanism of hydrolysis of p-nitrocinnamaldehyde especially the catalytic contribution of hydroxide ion, hydroxide ion and water which was not yet studied carefully before in acidic media, could be fully explained by the equation obtained. The rate equation reveals that : below pH 6.0 the reaction is initiated by hydronium ion to p-nitrocinnamaldehyde, at pH 7.0∼9.0 the reaction is initiated by water and hydronium ion competitively and at obove pH 10.0 the reaction is initiated by hydroxide ion to p-nitrocinnamaldehyde.