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Cimetidine이 白鼠 網內系 貪食能에 미치는 影響
金明雄,金象皓,宋熹鍾 전북대학교 의과학연구소 1985 全北醫大論文集 Vol.9 No.4
To investigate the effect of cimetidine on the phagocytic function of reticuloendothelial system in rats, the phagoccytic activity was assessed by carbon clearance method after intraperioneal administration of cimetidine with various dosage, namely 0.2, 1, 5 and 25mg per 100gm of bdy weight/day respectively for one or two weeks. 1. In cimetidine treated group, the phagocytic activity was increased significantly than normal and control group. 2. The increased phagocytic activity was in proportion to the amount and duration of cimetidine administraion.
2, 4-Diamino-7-phenyl-6-methylthiopteridine 合性에 關한 硏究
朴來正,金明雄 弘益大學校 1986 弘大論叢 Vol.18 No.2
2, 4, 6-Triamino-5-nitrosopyrimidine was prepared using malononitrile and guanidine carbonate, and acetylated refluxing in acetic acid with acetic anhydride in order to ativate the nitroso group for nucleophilic attack. Nucleophilic attack of phenylpyrimidium bromide on the nitroso group of 2, 4, 6-triacetamido-5-nitrosopyrimidine gave the intermediate, which lost pyridine to give the nitrone derivative. Addition of the methanethiol anion to nitrone gave 2, 4-diacetamido-7-phenyl-6-methylthiopteridine which was hydrolyzed to give 2, 4-diamino-7-phenyl-6-methyl thiopteridine. Spectral data(IR, M.S, NMR) were provided to identify the reaction products during synthesis.
아닐린의 산화적 카르보닐화에 의한 에틸페닐카바메이트의 합성
朴來正,金明雄 弘益大學校 科學技術硏究所 1992 科學技術硏究論文集 Vol.2 No.-
Ethylphenyl carbarmate(EPC) was synthesized by oxidative CO carbonylation of aniline in the presence of transition metal catalysts and alkari metal halide cocatalysts at 120℃ under the pressure of 79 atm. Oxygen gas was used for oxidizing agent. About 100% conversion to EPC and 93% selectivity was obtained in 5 hour reaction under this conditions. Increase in pressure and temperature increased conversion. 0.02% of 5% Pd/C was the most effective. Effectiveness of cocatalysts was in the order of KI>KBr>KCI as anion effects. As cation effect CsI and KI were about the same but NaI was a little lower. Iodine itself gave catalytic effect but produced more byproducts of Nethylbenzamine and N, N'-diphenylurea. No dehydration effect of zeolite and triethylorthoformate was not recognized,but decreased the reactor pressure significantly. As the temperature increased, the conversion rate increased. The reaction was apparent first order and activation energy was 5.647kcal/mol.
김명웅 ( Myung-woong Kim ) 한국고등직업교육학회 2001 한국고등직업교육학회논문집 Vol.2 No.2
Shoes mean SINPAL in Korean. SINPAL is a compound word of SIN that stems from the verb of SINTA signifying WEAR in English and PAL that indicates FOOT in English. Shoes are to be an outfit that humans wear to protect their feet. The type, design, pattern, material and production technique of shoes vary by the way that shoes are used. They are also differentiated by the cultural, traditional, religious and social background of the each country and by the times. Moreover, nowadays the wearer’s taste and the fashion trend influence on the variety of the form and type of shoes. In Korea that has a long history over 5,000 years, shoes have been changed diversely through the long history. The change of Korean shoes by the times is studied in this paper.
김명웅 ( Myoung-woong Kim ) 한국고등직업교육학회 2006 한국고등직업교육학회논문집 Vol.7 No.2
Shoes are worn for protection of foot, supporting the weight of the body, propelling the body forward and efficiency of work. The majority of foot troubles are caused by ill-fitting footwear or socks. Ill-fitting shoes cause not only damage to the skin, troubles of the toes and troubles of the arches but also inefficient of work. Shoes have to combine the three functions of fitting, adaptation and modification. For the purpose of making the functional shoe to fit for wearing, we should consider material, structure and function of footwear on the basis of the design of biomechanical engineering. Generally, the important shoe components related with walking factors are upper, insole, midsole, outsole, etc. This study is to systematize the shape of outsole, friction coefficient and effect depended on temperature.