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Microsporum Ferrugineum 및 Trichophyton Rubrum의 榮養素需要에 關한 硏究
金喆喜 慶北大學校 醫科大學 1970 慶北醫大誌 Vol.11 No.2
In order to observe the nutritional requirement of Microsporum ferrugineum and Trichophyton rubrum, twenty strains of M. ferrugineum and ten strains of T. rubrum isolated from patients were conducted nutritional assay studies with amino acids, vitamins and nucleic acid substancs in accompained with the observation of mycelial element of chlamydospore formation and micro-conidia production in these media. 1. All the strains of T. rubrum tested have grown well on ammonium nitrate basal medium. However, the growth of M. ferrugineum were diverse in pattern, in that out of twenty strans four were unable to grow and three were exhibited sparse growth in this medium. These seven strains were subjected to amino acid requirement study and it was found that although each strain showed a different pattern in requirement of various amino acids Ieucine iso-ieucine and glutamic acid exhibited a slight growth-promoting effect, but cysteine, cystine and methionin exhibited a marked growth stimulatory effect on both auxotrophs and poor growth strains and these amino acids indicate a obvious essential nutritional requirement for these strains. Plgment production and chlamydospore formation were also prominant in these amino acids-added media. 2. Thiamine and nicotinic acid exhibited a different effect on the growth of M.ferrugineum, but high concentration of these vitamins were rather inhibitory for the growth of fungi, particularly this was obvious with nicotinic acid, however, these vitamins exert a special growth stimulitory effect upon particular strains regardless of concentration. 3. The dffect of nucleic acid substances were also diverse in character, although adenine showed a weak growth stimulatory effect on auxotrophs neither guanine nor purine exhibited a such property and cytosine and thymine were stimulatory but pyrmidine showed no such effect.
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김철희,김민경,황남희 한국정책분석평가학회 2013 政策分析評價學會報 Vol.23 No.2
본 연구는 경제활동인구 근로형태별 부가조사를 이용하여 데이터 매칭기법을 통해 비정규직 교육훈련의 임금 및 정규직 전환효과를 추정하였다. 그 결과, 성향점수가중치를 이용한 비정규직 교육훈련의 임금효과는 4.3% 인 것으로 파악되었고, 교육훈련이 정규직 전환효과에는 통계적으로 유의하지 않는 것으로 나타났다.본 연구의 시사점은 비정규직 교육훈련의 성과제고 및 활성화 방안으로 제도·정책 개선을 통한 비정규직 교육훈련 기반 조성, 비정규직 교육훈련 인프라 구축, 교육훈련 프로그램의 특성화·다양화 지원 등을 제시하였다.
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