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金永權 中央醫學社 1968 中央醫學 Vol.14 No.6
The bacteriological characteristics and the pathogenicity of enteropathogenic halophilic vibrios isolated from sea-fishes and shell-fishes collected in the port of Pohang, Kyungpook during July and August of 1966 and 1967 were studied, and the following results were obtained. 1. Vibrios were classified into three species, i.e. Vibrio parahaemolitycus, V. alginolyticus, and V. anguillarum. The criteria of classification were based on the growth on nutrient agar containing 7 and 10 per cent of sodium chloride, Voges-Proskauer reaction, swarming growth on nutrient agar, and fermentation of sucrose and cellobiose. 2. The biological characteristics of vibrios were, in general, uniform among strains in each. species, and three species of vibrios showed their typical characteristics in each species.. 3. Most of test organisms can grow well in trypticase soy broth of pH 4.5-5.0, and there were a few strains which can grow in media of pH 6. 0 4. Most strains were resistant to penicillin, methicillin, and cloxacillin, and grow well in the presence of 200-100u or mcg/ml of these antibiotics. The resistance to streptomycin and erythromycin was moderate and the minimum inhibitory concentration (M.I.C.) was 50 mcg/ml or more in most strains. However, the sensitivity to chloramphenicol, aureomycin, terramycin, and tetracyline was very high with the M.I.C. of 1.6mcg/ml, and there were some strains with the M.I.C. of 3.1-6. 2mcg/ml including a few strains with the M.I.C. of 6.2mcg/ml. 5. One-half to one-fourth ml of broth culture containing 3.8-8.3X108/ml of viable cells were injected into the peritoneal cavity of mouse, and the death was observed.
김영권 안성산업대학교 2002 論文集 Vol.34 No.-
The objectives of this study was to investigate the applicability of subcritical and supercritical water oxidation technique for treating leachate of the old landfill. For these, speciation of molecular weight distribution by ultrafiltration and removal efficiencies were studied during the subcritical and supercritical water oxidation of the nonbiodegradable organics of molecular weight greater than 1,000. It was found that the optimal conditions for the removal of organics of molecular weight greater than 1,000 were at 350℃, 3min reaction time, and 50㎖/min. Almost 99.9% of organics was destroyed at these conditions. Also in the ammonia removal, the optimal conditions were at 550℃, 10min reaction time, and 50㎖/min. Supercritical water oxidation was very effective for the treatment of organics including ammonia of molecular weight greater than 1,000.
데이타변조와 도플러 편이가 포함된 직접시퀸스 대역확산 신호의 병렬 초기동기
이정혜,김영권 연세대학교 전자정보통신연구소 1994 전자 정보 통신 논문집 Vol.1 No.1
도플러 효과가 존재하는 경우에 직접 시퀀스 대역확산 시스템의 초기 동기 과정에 대해서 연구하였다. 높은 반송 주파수와 차량속도로 인한 심각한 도플러 효과로 이해 반송 주파수 옵셋과 코드 주파수 옵셋들이 발생하게 된다. 본 논문에서는 직접 시퀀스 대역확산 시스템에 대한 병렬 초기동기 방식을 제안한다. 이러한 코드 동기 기술을 FFT 알고리듬을 이용해서 구현하였으며, 하드웨어적인 구현이 제한되는 경우에 있어서는 직렬-병렬 검색 방식을 결합한 하이브리드 방법이 사용되었다.