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사람 末梢血液 淋巴球의 分離와 그 LDH Isoenzyme에 關하여
鄭弘根,朴壽根,崔榮,金英國,金昇元 中央醫學社 1972 中央醫學 Vol.23 No.5
The present paper describes the result obtained with lymphocytes separated from the peri - pheral humam blood by the method of Kim et. al(1970) and the LDH isoenzyme pattern of lymphocytes after sonicating the cells, which showed binomial distribution of LDH1 through LDH5, showing 11, 26, 44, 14, and 5% of activities respectively, with 56.0% of the H-subunit.
李淳赫,孟昇辰,朴明根 충북대학교 농업과학기술연구소 1993 農業科學硏究 Vol.10 No.2
This study was conducted to get best fitting frequency distribution for the annual runoff and to simulate long aeries of annual flows by single-season first order Markov Model with comparison of statistical parameters which were derived from observed and synthetic flows at three watersheds in the Yeong San river basin. The results summarized through this study are as follows. 1.Hydrologic persistence for three watersheds were acknowledged by the correlogram analysis. 2.Normal distribution of the annual runoff for the applied watersheds was confirmed as the best by Kolmogorov-Smirnov test. 3.Statistical parameters were calculated from synthetic flows simulated by normal distribution. It was confirmed that those are very similar to statistical parameters of observed data. 4.Hydrologic persistence between observed flows and synthetic flows simulated was confirmed by the correlogram analysis. 5.It is to be desired that generation technique of synthetic flow in this study would be compared with other simulation techniques for the objective time series.
TypeⅠ 極値分布의 頻度分析 및 確率圖示法에 의한 設計降雨量의 誘導
李淳爀,孟昇辰,朴明根 충북대학교 농업과학기술연구소 1994 農業科學硏究 Vol.12 No.1
Derivation of reasonable design rainfall was attempted by comparative analysis of design rainfall derived by frequency analysis of Type I extremal distribution and probability plotting technique for annual maximum 1-day, 1-hour and 10-minute rainfalls observed at Cheong Ju. The results were analyzed and summarized as follows : 1.Basic statistics were calculated for the analysis of Type I extremal distribution with annual maximum 1-day, 1-hour and 10-minute rainfalls at Cheong Ju. 2.Necessary parameters were derived by frequency analysis of Type I extremal distribution for annual maximum 1-day, 1-hour and 10-minute rainfalls at Cheong Ju. 3.Design annual maximum 1-day, 1-hour and 10-minute rainfalls in mm were derived by frequency analysis of Type I extremal distribution and probability plotting technique respectively at Cheong Ju. 4.Design annual maximum 1-hour and 10-minute rainfalls were derived by frequency analysis of Type I extremal distribution and probability plotting technique are shown to be much closer to the observed data but design annual maximum 1-day rainfall is not to be closer to the observed data. 5.Design annual maximum rainfalls following the duration derived by Type I extremal distribution are seemed to be more reasonable than those of probability plotting technique owing to the difference of individual eyefitting.
各種 胃手術이 經口的 糖負荷試驗에 미치는 影響에 關한 實驗的 硏究
朴忠根,睦敦相 우석대학교 의과대학 1968 우석의대잡지 Vol.5 No.1
Adult mongrel dogs were divided into 5 groups, control, pyloroplasty, vagotomy, vagotomy with pyloroplasty and subtotal gastrectomy. Each group consisted of 5dogs, and blood samples were taken 9 times from each dog, including fasting and at intervals of 15 minutes during the 1st hour, of 30 minutes during the 2nd hour, and of 60 minutes during the 3rd and 4th hours after glucose administration on the 60th postoperative day. Glucose was given through Levin tube into stomach in 20% solution, 1.5gm./㎏. of body weight. Results are as follows: 1. Postprandial blood sugar level was most markedly elevated in the group of pyloroplasty in which the peak value was 177.0±10.0㎎./100㎖., seen at 60 minutes after the ingestion of sugar. 2. In the vagotomized group, the peak blood sugar level was the lowest, the value being 118.0±5.4㎎./100㎖., at 60 minutes after sugar ingestion and sluggish lowering curve observed thereafter. 3. In the group of combined operation of vagotomy and pyloroplasty, the peak appeared most delayedly, seen at 120 minutes after sugar ingestion, the value being 129.4±13.2㎎./100㎖. 4. In subtotal gastrectomy group, the peak, 144.8±13.8㎎./100㎖., appeared at 30 minutes after sugar ingestion and at 60 minutes, to be steeply declined and the blood sugar showed the lowest value in this series of experiment. At 240 minutes, the level revealed to be 65. 6㎎./100㎖., even lower than the fasting level 78.4±3.9㎎./100㎖..
朴海根,李相鎔 대한설비관리학회 1997 대한설비관리학회지 Vol.2 No.2
Burn-in is a technique used to increase the quality of products delivered to a consumer prior to shipment. If a burn-in is effective, products that are delivered to the consumer are superior to those that would have been delivered without burn-in. In this paper, the condition for bum-in to be beneficial is derived for a free warranty policy, and the procedure to determine the burn-in time for various warranty periods are presented. Finally the optimal burn-in time to minimize the total cost, manufacturing plus warranty cost is selected.