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김순동,구연수,이인자,김미경,박인경 동아시아식생활학회 2000 동아시아식생활학회지 Vol.10 No.4
Major chemical components of sweet drink and vinegar prepared with Liriopis tuber were investigated sensory quality. The contents of total soluble solid, total sugar, non-reducing sugar, total saponin, ash and protein in the processed of Liriopis products ranged 7.71~10,67%, 4.94~9,77%, 1.98~4.67%, 0.80~0.59%, 0.40~0.36%, and 0.44~0.49%, respectively. In addition, levels of succinic, malic and acetic acid in the products ranged 78.9~96,3, 23.6~6.3 and 12.7 ~2686.0㎎/100㎖ respectively, Meanwhile, the sweet drink contained 1.89㎎%(w/v) of hydroxyprolin, 0,39㎎%(w/v) of glutamic acid, 0.22mg%(w/v) of arginine, 0.15㎎%(w/v) of citruline and 0.11㎎%(w/v) of potassium. The vinegar contained 2.89㎎%(w/v) hydroxyprolin, 248.2 ㎍/100ml glutamic acid, 99.2 ㎍/100ml arginine, 205,5 ㎍/100㎖ citruline and 143.46㎍/100㎖ potassium.
Neural-Fuzzy System을 이용한 한국어 단어인식에 관한 연구
김연수,김창석 明知大學校 産業技術硏究所 1992 産業技術硏究所論文集 Vol.11 No.-
This dissertation aims about Korean-word recognition using the neural networks and fuzzy inference system (NFS), which is absorbing fluctuation due to personal difference in order to develop recognition rate. This method regards propability index observation each word model as input parameters of neural networks, and recognizes input words using fuzzy ingerence with membership function with is consisted with output of neural networks. Word recognition using fuzzy inference to develop recognition rate, which is absorbing flucturation due to personal difference, speaker jindependent word recognition system of a cause false-recongition. To evaluate validity of this method, this experiment has been carried out female and males speech data that is made 28DDO local area names. As a result of testing HMM (DHMM) with 8 state, condeword is 64, the recongition rate 91[%] , as a result of testing neural network with 64 codeword the recognition rate is 89 [%]. Finally, as a result of testing NFS with 64 codeword which is in the best condition in former tests, the recongition rate is 96 [%]
구연수,김미경,김미정,김순동 대구효성가톨릭대학교 식품과학연구소 1997 식품과학지 Vol.9 No.-
소금절임시 바람직한 소금농도를 결정하기 위하여 10, 15, 20 및 25%의 저농도에서 고농도에 이르는 소금물용액에서 조직의 염농도가 3%가 될 때까지 절인 배추를 이용하여 김치를 담근후 숙성기간에 따른 pH, 산도, 김치의 색상 및 관능적 품질변화를 조사해 보았다. 그 결과 20%와 25%의 고농도에서는 조직의 염도가 3%에 도달하였을 때까지의 시간이 각각 7.5시간과 4.5시간이 소요되어 단시간 절임이 가능한 반면 10%와 15%에서의 절임은 각각 24시간과 12시간이 소요되었다. 소금농도별 절임배추로 담근 김치조직의 조직감은 고농도 단시간 절임이 저농도 장시간 절임에서 보다 대체적으로 양호하였으나 고염도 쪽에서는 숙성 중ㆍ후반기에 이르러 경도가 낮아지는 경향을 보였다. 그러나 관능검사에서의 아삭거리는 맛은 숙성전반에 걸쳐 20% 소금물에 절인 김치가 3.58~3.96으로 거의 변화가 없었으며 종합적인 맛에도 20% 김치가 숙성동안 보통이상의 수치를 나타내었다. This study was conducted to obtain the desirable salting condition for the fermentation of kimchi. The Chinese cabbage was salted at 10, 15, 20 and 25% brine at 20℃, and fermentation temperature of kimchi was 10℃. To evaluate the quality of kimchi, pH, acidity, color, texture and sensory quality during fermentation were investigated. Texture of the kimchi tissue salted for short term with 20~25% brine was generally good. But, that of the kimchi was suddenly softening at later fermentation periods.
文秋淵,朴鎭植,金秀生 동아대학교 환경문제연구소 1995 硏究報告 Vol.18 No.2
This study has performed to investigate and evaluate the amount of pollutants and the status of water quality of the Hyung-San River and prediction water pollution loads. In the field survey('94.11-'95.3), mean concentrations of BOD were found 0.78-4.90ppm, respectively, which were exceeding the second grade at inflow point of Sindang stream The predicted BOD pollution loads of Hyung-San river in 1996, 2001, 2006, 2011 were 13,068.3 kg/day, 13,003.1 kg/day, 9,355.6 kg/day, 9,506.6 kg/day.
Lidocaine, Tetracaine 및 Bupivacaine이 백서 배양 심근세포에 미치는 세포독성에 관한 연구
장정수,최민규,오재민,김종영,정연태 圓光大學校 醫科學硏究所 1994 圓光醫科學 Vol.10 No.1-2
In an attempt to evaluate the cytotoxicity for lidocaine, tetracaine and bupivacaine, beating rates, tetrazolium MTT and lactate dehydrogenase activity were investigated in the medium containing the local anesthetic drugs for 24 hours after the neonatal rat myocardial cells were cultured for 72 hours. Light and electron microscopic studies were also carried out. The results were as follows: 1. Beating rates decreased dose-dependently. and beating myocardial cells were not observed at 10^-3M concentration of tetracaine and bupivacaine, and also beating activities were not recovered after 24hrs. 2. MTT_50 values were 995 μM in tetracaine and 983 μM in bupivacaine. 3. The amount of lactate dehydrogenase released into the medium at 10^-3M concentration were 123% in lidocaine, 156% in tetracaine and 182% in bupivacaine compared with control cells. 4. In the light microscopy, myocardial cells were decreased in number dosede-pendently, and showed a few cytoplasmic processes at 10^-3 M concentration of tetracaine and bupivacaine. 5. In electron microscopy, myocardial cells treated with tetracaine and bupivacaine showed destructed mitochondria and many dense bodies. These results suggest that high concentration of tetracaine and bupivacaine (10^-3M) induce remarkable toxicity compared with lidocaine on the cultured rat myocardial cells.
문추연,김동일,김수생 동아대학교 생산기술연구소 2000 生産技術硏究所硏究論文集 Vol.5 No.2
Recently in Korea and developed countries, nitrogen and phophorus removal are the main target to improve effluent qualities, in order to protect discharge basins from eutrofication by N and P. Introduction of an advanced treatment function to existing wastewater treatment systems, which can be removed nitrogen and phophorus as well as BOD, COD and SS, have been required to protect water resources from domestic and industrial wastewaters. For the improvement of effluent quality through nitrogen(N) and phophorus (P) removal, this study conducted to investigate and analyse of the municlpal sewage treatment process such as VIP(Virginia Initiative Plant) process on cost effectiveness operating and improvement of effluent quality. Based on the results of the experiments, The average removal efficiencies of organic matter were BOD 87.4 ~ 91.8%, COD 77.7 ~ 81.3%. At influent concentration of T_-N 41.8mg/l, NH_4-N 36.2 mg/l, T_-P 3.14mg/l and PO_4-P 1.6 mg/l, nutrient removal efficiencies were NH_4-N 95.9%, T_-N 67.8%, PO_4-P 69.9%, and T_-P 70.7%.
문추연,안종수,김수생 동아대학교 환경문제연구소 1993 硏究報告 Vol.16 No.1
The Purpose of this research is aimed to find out optimum operating conditions for Phosphorus removal by AB-Process. The Comparision between a partially aerated at B-step and fully aerated AB-Proecess was made at different mixing and aeration time, detention time. The BOD removal efficiency showed up to 90% in the partially aerated at B-step as well as fully aerated process. In the partially aerated process at B-step the substrate removal efficiency remained constant irrespective of anaerobic/aerobic reactor retention time ratios. Phosphorus removal efficiency in the partially aerated process at B-step was higher than that in the fully aerated AB-Process. Phosphorus removal efficiency in the process tended to increase as the anaerobic reactor volume in the B-step increased.