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박종명,황의경,김인천,이재진,정현규,강구환,Park, Jong-myung,Hwang, Eui-kyung,Kim, In-cheon,Rhee, Jae-chin,Chung, Hyun-kyu,Kang, Ku-hwan 대한수의학회 1998 大韓獸醫學會誌 Vol.38 No.1
Piglets' diarrhea is one of the major causes of economic loss in Korean swine industry. To prevent this serious and persistant problem, we have developed systemic farm evaluation and analysis program. The program consists of the checklist and the computerized program. The items of the checklist are selected on the basis of various causative factors related with the piglets' diarrhea including sanitational status, nutritional management, or farm environment. The checklist is composed of 30 items including 6 factors on facility, 8 factors on environment, 6 factors on nutrition and 10 factors on sanitation, respectively. Minimum 1 to maximum 10 points was assigned to each item depending on level or status of farm. The scores calculated by sum of points obtained from each item could find out the problems which the farm was confronted with. To investigate the applicability of a program 150 swine farms raising over 500 heads were selected from 7 provinces throughout the country and surveyed. There were significant correlations between the piglets' diarrhea and the scores of the checklist. Based on above results we revised the checklist which consisted of 22 items including 5 factors on facility, 7 factors on environment, 3 factors on nutrition and 7 factors on sanitation. After that we composed a computerized diagram out of each point of an item which showed and indicated weak factors to be improved promptly. Our present study suggested that this newly established swine farm evaluation program would be a very efficient way to find out the problems and support the systemic control program of the piglets' diarrhea for swine farms.
Jong Myung Park(朴鍾鳴),Kwang Jick Lee(李光稙),Tae Haeng Cho(趙太行),Young Min In(印英玟),Sun Namgoong(南宮琁),Keun Sik Park(朴根植) 한국예방수의학회 1991 예방수의학회지 Vol.15 No.3
Antibiotic residues of domestic beef, pork and poultry were tested by EEC 4-plate method to improve and monitoring the quality of meats. Antimicrobial substances were not detected from 128 cattle, 155 swine and 93 chicken muscle tissues. A weak antibacterial inhibition zones were appeared from 3 out of 128 cattle kidney samples and 35 out of 155 swine kidney samples but considered nonspecific reaction.
가스절연 변압기 예방진단시스템 구축을 통한 변압기 진단 신뢰도 제고
박종명(Jong-Myung Park),이강수(Kang-Su Lee),임재신(Jae-Sin Lim),임재현(Jae-Hyun Lim),김형국(Hyung-Guk Kim),조현제(Hyun-Jae Jo),신현승(Hyunseung Shin) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.7
대도시를 중심으로한 전력사용의 증가는 부하 중심점에 근접한 154kV급 변전소의 수요를 증가시켰다. 대도심지 내부지 확보의 용이성과 전자파 이슈, 소음 등 전력설비 혐오감이 사회에 팽배함에 따라 이를 극복하기 위해 대형 복합빌딩 등 의지하에 변전설비가 위치한 ‘지하(복합) 변전소’ 형태의 변전소가 등장하였으며 대도심지 내 점유율(‘20. 5 기준 4%, 92대)은 더욱 증가할 전망이다. 이러한 지하(복합) 변전소에 사용되는 변압기 중 화재 안전성강화(불연)를 위한 SF6 가스를 절연매질로 한 가스절연 변압기가 대표적으로, 한전은 절연유(난연) 변압기의 ‘100% 대체’라는 목표를 갖고 점진적 시행에 있다. 이러한 증가추세에 반해 SF6가스절연 변압기의 예방진단 기술개발과, 적용은 일반 유입형변압기에 비해 현재 걸음마 수준으로 근래에 SF6 가스절연 변압기 예방진단시스템에 대해 기술하고자 한다.
박종명 ( Jong Myung Park ) 한국산림과학회 1997 한국산림과학회지 Vol.86 No.4
It is inadequate to compare operating costs between some logging machines with a low rate of utilization of them except the effect of operating time. The operating volume to maximize the utilization of the logging machines is different from each other, thus it is important to choose the proper logging machines and operating system according to the size of logging management. This study presents one of the methods to choose the economical optimum logging machines according to the operating volume to promote the economical efficiency of the machines. In order to go ahead with the Korean forestry mechanization plan, it should be considered which machine or operating system has the economical priority and if it can be suitable to the effect of wage increment.
GC/MS를 이용한 돼지고기중의 올라퀸독스 잔류분석에 관한 연구
Jong Myung Park(朴鍾鳴),In Cheon Kim(金仁千),Young Hwa Sim(沈暎和),Mun Han Lee(李文漢),Ki Poong Lee(李起豊) 한국예방수의학회 1993 예방수의학회지 Vol.17 No.1
The olaquindox is used as one of the growth-promoting feed additives in pig industry. To date its maximum residue limit in pork tissues is not established. The olaquindox exists in the body both as an intact form and metabolized form such as olaquindox-4-monoxide and desoxyolaquindox. For food safety and to establish the guideline for the safe use of the olaquindox, it was demanded to develop the new analysis methods to detect the olaquindox and its metabolits in tissues. In this study, olaquindox and its metabolites were extracted with acetonitrile from muscle, liver and kidney from olaquindox-fed pigs. The extracts were then reduced to desoxyolaquindox by using ferrous sulfate. Desoxyolaquindox was treated with bis (trimethylsilyl) trifluoroacetamide (BSTFA) to obtain the derivative for GC/MS analysis. The retention time of the derivative analyzed by GC/MS was about 13.9 minutes and monitored ion masses were 303, 200 and 143. The relative ion intensity ratio was 31 : 41 : 100. The recovery rate of the olaquindox from spiked pork tissues was ranged from 82.7 to 121.1%. The study revealed that this new analysis method was more accurate compared to the conventional method. It is suggested that thisnew analysis method may replace the conventional one.
랫트 및 돼지 체내에서 후라졸리돈의 환원대사에 관한 연구
Jong Myung Park(朴鍾鳴),Young Hwa Sim(沈暎和),In Cheon Kim(金仁千),Nam Seop Jin(鎭南燮),Mun Han Lee(李文漢) 한국예방수의학회 1995 예방수의학회지 Vol.19 No.1
The reductive metabolism of an antibacterial nitrofuran, furazolidone[N-(5-nitro-2-furfurylidene)-3-amino-2-oxazolidone] was investigated. E. coli rapidly metabolized furazolidone to the reduced cyano metabolite under aerobic condition. The major solvent-extractable metabolite produced under the aerobic incubation was isolated and analyzed by mass spectrometry. The mass spectra indicated that this metabolite was unequivocally identified as 3-(4-cyano-2-oxobutylideneamino)-2-oxazolidone, an end product of the reductive metabolism of the nitro group of furazolidone. When furazolidone was administered orally to rats and piglets, 3-(4-cyano-2-oxobutylideneamino)-2-oxazolidone was isolated and purified from the muscle, kidney and liver tissues according to the withdrawal time. These purified extracts were analyzed by high performance liquid chromatography(HPLC).