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한국인 중.고등학생의 체격, 체형 및 그 성장에 관한 연구
이영춘,김종석,박희명,채의업,주영은,이륭창,류호열,김규수,김정묵,최경숙,이열희,이태호,우원형,신현찬,박원학,Lee, Young-Choon,Kim, Chong-Suk,Park, Hi-Myung,Chae, E-Up,Choo, Young-Eun,Lee, Yung-Chang,Ryoo, Ho-Yul,Kim, Kyu-Soo,Kim, Chung-Muk,Choi, Kyu 대한생리학회 1970 대한생리학회지 Vol.4 No.1
Measurement and analysis of the physical status (height, body weight, breast girth, sitting height. length of leg, length of thigh, thigh girth, crural length, length of arm, brachial length, antebrachial girth and skinfold thickness), physical types and the growth were made to the 360 Korean middle and high school boys aged between 12 and 17 years in Taegu City. The physical status was evaluated and expressed as dispersion and the Physical type as percentage of each status to height, and the growth was analysed by the growth formula. The results are as follows; 1) The increase of the volumes of Physical status was slowest between 12 and 13 years and fastest between 13 and 14 years in general. 2) The increase of the volumes of thigh girth and antebrachial girth showed a linear pattern until 16 years. 3) The coefficient of variation was largest in skinfold thickness $(16.3{\sim}28.4%)$ followed by body weight $(10.0{\sim}14.3%)$, antebrachial girth $(4.8{\sim}19.60%)$ and length of thigh$(6.3{\sim}13.6%)$. The coefficients of variation in all the other status were similar $(4{\sim}7%)$. 4)The physical indices of body weight, breast girth, sitting height, length of thigh, thigh girth, antebrachial girth and skinfold thickness increased as age increased while the others decreased except the brachial length, which showed no significant change. 5) Ratio of growth quantity was largest in body weight followed by skinfold thickness, and the others were all similar. 6) Growth rate and specific growth rate decreased in the all the status analysed as age increased except in the skinfold thickness in which an increase was noted. 7) Growth gradient was increased along the increase of age in breast girth, sitting height, crural length, brachial length and in skinfold thickness. However a decrease was observed in the other status except in the body weight which was decreased until 15 years of age and increased thereafter.
정윤석(Yun-Suk Chung),박진수(Jinsoo Park),김종석(Chong-Suk Kim) 한국마린엔지니어링학회 2002 한국마린엔지니어링학회 학술대회 논문집 Vol.2002 No.-
Strength analysis and evaluation of a medium size diesel engine connecting rod have been carried out. Main purpose of this paper is to introduce the strength analysis procedure applicable in the initial design stage of diesel engine connecting rods. Static strength, split and sliding of the contact surfaces, deformation of the big end, buckling and fatigue strength are dealt with. The analysis results show that the connecting rod has sufficient strength.
Phenol 誘導體 및 Methylene bis phenol 化合物의 肝디스토마症에 對한 效果에 關한 硏究
金鍾石,金重暎,허근,李大秀,呂壽東 경북대학교 의학연구소 1964 慶北醫大誌 Vol.5 No.1
The therapeutic effect of hexahlorophene on Clonorchis sinensis in vivo, in vitro and human subject was reported in our laboratory. In these studies we tested the parasiticidal effect of 10 sorts of phenol derivatives and 14 sorts of methylene bis phenol on the Clonorchis sinensis in Vitro, and the therapeutic effect of 9 sorts of methylene bis phenol on the Clonorchiasis sinensis in experimental infected rabbits for the comparision of each other. The results of studies were summarized as follow. 1. In vitro test phenol, nitrophenol and phenol sodium sulfonate have a little paraciticidal effects. 2. Cresol has more effective than phenol. 3. The chlorophenol has more effective than phenol, and the effect was increased with the amount of chlorine in the molecule. 4. Methylene-bis-phenol has more effective than phenol. 5. Methylene bis chlorophenol has more effectivo than chlorophenol. hexachlorophene has most effective among methylene bis chlorophenols. 6. The effect of methylene-bis-chlorophenol on parasite was decreased or lost when the -OH radical of the phenol molecule or hydrogen of the-CH_2 radical was blocked.