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민상현,이옥재,안태영 ( Sang Hyun Min,Ok Jae Rhee,Tae Young Ahn ) 한국하천호수학회 1995 생태와 환경 Vol.28 No.4
Nitrification and denitrification potential were detected in the sediment of Lake Soyang by ^14C-bicarbonate incorporation and acetylene blockage method, respectively. The range of nitrification potential was 0.01∼2.49㎍-N gdwt^-1day^-1 and that of denitrification potential was 0.08∼5.25㎍-N gdwt^-1day^-1. Nitrification potential was showed the highest value at station 4 where organic carbon was rich. It was a high value at station 1 and 2 and was a low value with deep. Denitrification potential was showed the lowest value at station 1 in which organic carbon content was poor and water depth was shallow and was showed the highest value at station 4. Nitrification was correlated positively with NH_4^+-N and denitrification was correlated positively with organic carbon. The inorganic nitrogen reduction was comparatively superior to the inorganic nitrogen oxidation at all stations. So it was assumed to loss of nitrogen source from sediment.
초고속 역전사 실시간 중합효소 연쇄반응을 이용한 한국산 낭충봉아부패병 바이러스의 가장 빠른 검출법
민상현(Sang-Hyun Min),왕지희(Jee-Hee Wang),임수진(Su-Jin Lim),이칠우(Chil-Woo Lee),윤병수(Byoung-Su Yoon) 한국양봉학회 2016 韓國養蜂學會誌 Vol.31 No.2
New strain of Sacbrood virus as pathogen of honeybee, named korean Sacbrood virus (kSBV) was firstly recognized in Korea on 2010. During the time 2010-2015 near 90% populations of Apis cerana in Korea were heavy damaged by infection of kSBV. It is not clear yet, how to prevent it or how to control it and why infect only to A. cerana. These are why this development of rapid and easy detection method is important. In this study, the fastest and easy detection method against kSBV was designed. To optimize Ultra-Rapid Real-Time PCR (URRT-PCR) and cDNA generation the kSBV-detection time from kSBV-infected larvae could be minimized. Using optimized kSBV-specific ultra-rapid reverse transcription real-time PCR (kSBV-URRTRT-PCR), minimum detection time for kSBV-infection was completed inner 6 minutes 12 seconds from kSBV-infected larvae quantitatively. Alternatively 2.5×10¹ copies of cDNA from kSBV-genome could be detected using developed method. kSBV-URRTRT PCR might be helpful to detect kSBV quantitatively in laboratory and also in apiary field.
꿀벌 병원성 바이러스의 정량적 검출을 위한 정량 실시간 재조합효소-중합효소 증폭법의 개발
민상현(Sang-Hyun Min),왕지희(Jee-Hee Wang),임수진(Su-Jin Lim),이칠우(Chil-Woo Lee),윤병수(Byoung-Su Yoon) 한국양봉학회 2016 韓國養蜂學會誌 Vol.31 No.2
Recombinase polymerase amplification (RPA) is a specific DNA amplification method which shows high speed in isothermal condition and it has been widely applied to the detection of various pathogens. In this study, kSBV specific real-time recombinase polymerase amplification method was newly developed for rapid detection of kSBV. The existence of kSBV specific gene could be detected using total cDNA within 2 min 46 sec using this method. Based on this method, we proposed the quantitative real-time recombinase polymerase amplification which was able to quantify the target gene and to be applied universally. Moreover, this assay was proved to be useful to detect the pathogen from real samples. It is expected that this assay will be applied as quantitative detection method for general pathogens as well as honeybee pathogens.
뒤영벌 병원체 11종에 대한 실시간 중합효소 연쇄반응 검출법 개발
민상현(Sang-Hyun Min),김정민(Jung-Min Kim),임수진(Su-Jin Lim),김병희(Byoung-Hee Kim),이칠우(Chil-Woo Lee),윤병수(Byoung-Su Yoon) 한국양봉학회 2017 韓國養蜂學會誌 Vol.32 No.2
The multiple real-time PCRs against pathogens of Bombus species including DWV, IAPV, KBV, SBV, BQCV, kSBV, SBPV and Paenibacillus larvae, Mellisococcus plutonius, Lysinibacillus fusiformis, and Klebsiella oxytoca have been developed. One extracted nucleic acid from Beesample could be applied to 11 different PCRs in same time and condition. Specific PCR-products were amplified qualitative and quantitative manner inner 20 minutes successfully, when each 1000 molecules of pathogen-specific target DNA is existed as template, respectively. The multiple PCR detection that we propose would be expected to apply to quarantine test for international exchange of Bombus species.
바스케이프(BARSCAPE)가 고객 만족 및 브랜드 몰입에 미치는 영향
민상현 ( Min Sang-hyun ) 한국호텔리조트학회 2022 호텔리조트연구 Vol.21 No.2
This is an empirical study on how BARSCAPE has an effect on customer satisfaction and brand commitment. To achieve this purpose, this study used the BARSCAPE scale developed to the characteristics of Bar as independent variable and based on literature review, drew customer satisfaction and brand commitment as factors and set each as mediating and dependent variable. Based on drawn variables, it set four big hypotheses and total 22 sub hypotheses and conducted a survey in Bar users with a questionnaire before obtaining 321 samples. After then, to verify the validity and reliability of variables, it conducted exploratory factor analysis and reliability analysis and to identify the influencing relationship between variables, revealed that all six factors had a significant effect on customer satisfaction. And customer satisfaction appeared to have a significant effect on brand commitment. Moreover, in the relation between facility aesthetics, cleanliness, employee, and clientele, among subfactors of BARSCAPE versus brand commitment, customer satisfaction played a fully mediating role, but in the relation between ambience, layout/functionality, and symbolic/restorative environment versus brand commitment, customer satisfaction played a partial mediating role. This study has academic significance in that it is the first empirical analysis on how the BARSCAPE scale developed by reflecting the characteristics of Bar has an effect on customer satisfaction and brand commitment as reference variables. This study is expected to provide Bar managers with practical implications for service environment construction and be the basic data for Bar related researches in the future.