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기관사의 태도가 직무만족에 미치는 영향에 관한 실증적 연구 Ⅰ
김충수 철도전문대학교 2004 論文集 Vol.19 No.-
Recently, The business environment is very rapidly changed and complicated. Therefore, the companies are confront with the biggest difficulty. To overcome this difficulty, the management should be able to accomplish the human resources management and the efficient business management. Korean National Railroad(KNR) enterprise is public enterprise. KNR has a close association with national life as it carries out public works based on its public nature as well as purses the corporate spirit. For that reason, KNR has a great spin-off on national economy and exerts a tremendous impact on the improvement of productivity around the industries and the international competitiveness at aspect of efficiency resulting from business rationalization. Railroad system can be described as organic. Engine drivers take a great role in this system. According the psychology and the Organization Behavior, the decision maker's attitude, personality and employee' work satisfaction have influence on performance. The purpose of this study is to examine the engine drivers' Attitude, Personality and Work satisfaction which influence on the efficient business management.
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紫雲英(Astragalus sinicus L.) 種子의 發芽에 關한 硏究
金忠洙,李錫榮,趙振雄,姜來成 충남대학교 농업과학연구소 1992 농업과학연구 Vol.19 No.1
This experiment was conducted to improve the germination when we sowed Chinese milk vetch (Astragalus sinicus L. Local vas. Jinjoo) in the up-land.. The results are summerized as follows 1. There is no difference on the germination of Chinese milk vetch from 15℃ to 35℃. Germination ratio is 7l%, speed is 60% and mean of germinating day. is about 4. But at l0℃ germination ratio and speed are decreased as 65%, 8% but mean of germinating day is increased as 8. 2. Chemicals used for improve of germination KNO₃, H₂S0₄, HCl, NaOCl, NaOH and GA were increased about 6∼8% of germination ratio. 3. Germination in response to soil covering up depth, surface sowing showed 68% of germination and not more than 4cm the seed is germinated 60% but not less than 6cm, germination ratio is not more than 50%. 4. Soil water content needed in the germination is proper about 70∼80% of field water capacity and the ratio is 65% but not. more than 40% germination ratio is not more than 31%. 5. Germination in response to seed treatment (1 day sbsorption /1 day dry) germination ratio is not decreased when it treated 2 times but not less than 3 times it decreased seriously and not less that: 5 times it decreased not more than 31%. 6. Germination in response to seed largement, small seed is not good for germination, so seeds harvested after the majority of the seed is ripened.
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김충수,조재성,최창열,Kim, Choong Soo,Jo, Jae Seong,Choi, Chang Yeol 충남대학교 농업과학연구소 1980 Korean Journal of Agricultural Science Vol.7 No.2
본(本) 실험(實驗)은 감자의 생장점배양시(生長點培養時) 기본배지(基本培地)에 첨가(添加)되는 2.4-D, NAA 및 Benzyladenine이 감자의 생장점(生長點)으로 부터의 기관(器官)의 분화(分化) 및 생장(生長)과 Callus의 유기(誘起)에 미치는 영향(影響)을 구명(究明)하여 기내배양(器內培養)을 이용(利用)한 감자 대량번식방안수립(大量繁殖方案樹立)을 위(爲)한 기초정보(基礎情報)를 얻고져 수행(遂行)하였던 바 그 결과(結果)를 요약(要約)하면 다음과 같다. 1. BA의 농도(濃度)가 증가(增加)됨에 따라 경(莖)의 신장(伸長)은 현저(顯著)히 촉진(促進)되었으나 BA를 첨가(添加)한 배지상(培地上)에서는 근(根) 및 Callus는 전혀 유기(誘起)되지 않았다. 2. 0.5mg/l 혹(或)은 그 이상(以上)의 NAA를 첨가(添加)한 배지상(培地上)에서는 경(莖)이 전혀 분화(分化)되지 않았고 공시개체전부(供試個體全部)에서 Callus만 유기(誘起)되었으며 Callus의 생장(生長)은 NAA의 농도(濃度)가 증가(增加)될 수록 현저(顯著)히 촉진(促進)되었다. 3. NAA를 0.1mg/l 이상(以上) 첨가(添加)한 배지상(培地上)에서는 약(約) 50% 이상(以上)의 개체(個體)에서 근(根)이 발생(發生)되었으나 2.4-D를 첨가(添加)한 배지상(培地上)에서는 전혀 근(根)의 발생(發生)이 없었다. 4. 1.0mg/l 이상(以上)의 2.4-D를 첨가(添加)한 배지상(培地上)에서는 경(莖)의 분화(分化)가 전혀 없었으며 2.4-D 0.1mg/l까지는 2.4-D의 농도(濃度)를 높일수록 경(莖)의 신장(伸長)은 촉진(促進)되었다. 5. Callus의 유기(誘起) 및 생장(生長)에는 2.4-D보다 NAA가 현저(顯著)히 효과적(效果的)이었고 2.0mg/l 첨가(添加)한 MS배지(培地)가 Callus의 유기(誘起) 및 생장(生長)에는 가장 적합(適合)하였다. 6. 식물체(植物體)의 재분화(再分化)에는 MS배지(培地)에 BA 2.0 및 NAA 0.1mg/l 혹(或)은 BA 1.0 및 2.4-D 0.1mg/l를 첨가(添加)한 배지(培地)가 가장 효과적(效果的)이었다. These experiments were carried out to define the effects of 2.4-D, NAA and Benzyladenine on the differentiation and growth of the organs and the induction of callus from the potato meristem. The results were summarized as follows ; 1. The differentiation and growth of the shoots from the potato meristem was promoted in increased concentration of Benzyladenine but the callus was not induced on the M.S. medium containing Benzyladenine. 2. On the M.S. medium containing NAA 0.5 mg/l or higher concentration of NAA, the shoots were not initiated but the callus were induced from potato meristem. The growth of callus was promoted in increased concentration of NAA. 3. The roots were initiated from 50% of potato meristems planted on the M.S. medium containing more than 0.1 mg/l of NAA but the roots were pot initiated on the medium containing 2.4-D. 4. The shoot growth was significantly increased by increasing of 2.4-D concentration up to 0.1 mg/l, but the shoots were not initiated on the medium containing 2.4-D more than 1.0 mg/l. 5. For the induction and growth of the callus from potato meristem, NAA was more effective than 2.4-D and the most effective medium was M.S. medium supplemented with 2.0 mg/l of NAA. 6. The M.S. mediums supplemented with BA 2.0 mg/l and NAA 0.1 mg/l or BA 1.0 mg/l and 2.4-D 0.1 mg/l showed good results for entire plant regeneration from potato meristem.
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김충수(Chung Soo Kim) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.10
최근 공기업의 부채는 그 규모와 속도가 급하게 증가하고 있으며, 이로 인하여 공기업뿐만 아니라 국가의 재무건전성에 부정적인 영향을 미쳐 종국엔 나라의 경제위기를 심화시킬 수 있을 것으로 예상된다. 이와 같이 공기업의 부채가 심각한 문제가 되고 있어 공기업의 부채를 절감하기 위한 노력으로 정부는 공기업을 포함한 공공기관의 부채를 관리하기 위하여 대책의 일환으로 부채를 발생 원인 별로 구분하여 부채의 발생원인을 파악하고 부채관리를 효과적으로 하고자 하는 구분회계제도를 도입하였다. 구분회계제도는 공기업의 부채관리뿐만 아니라 제품원가산정, 사업별 성과평가와 경영효율성 평가에 도움을 줄 것으로 생각한다. 이에 구분회계제도와 공기업인 한국철도공사의 구분회계제도에 대한 연구를 하였다. Recently, debts of public enterprises have been grown its proportion rapidly. This impedes not only public enterprises themselves but also financial soundness of its nation so that intensifies domestic economic crisis. To lessen its debts, government adopt The Separate Accounting System to manage debts of public enterprise by tracing each debt" cause. The Separate Accounting System will help not only debt management but also product costing, evaluation of divisional profit and efficiency of management. This study aims to analyze The Separate Accounting System and The Separate Accounting System of Korea Railroad Corporation.
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근류균(根瘤菌)(Rhizobium meliloti)의 접종(接種)이 Alfalfa의 근류형성(根瘤形成) 및 초기생육(初期生育)에 미치는 영향(影響)
김충수,Kim, Choong Soo 충남대학교 농업과학연구소 1979 Korean Journal of Agricultural Science Vol.6 No.2
This experiment was carried out to define the affinity of alfalfa varieties to nodule bacteria and the effects of nodule bacteria on the growth of alfalfa varieties. The results obtained are summarized as follows; 1. The ability of nodule formation on the roots of alfalfa was significantly different among the strains of nodule bacteria, Rhizobium meliloti SU 47 formed nodules on the roots of two alfalfa varieties, Luna and Von arnims altd bost. Nodules were not formed at the roots of all varieties by inoculation of Rhizobium meliloti M1 but a lot of nodules were formed at the roots of all varieties by inoculation of Rhizobium meliloti M14. 2. When the Rhizobium meliloti M14 was inoculated in the media, the largest numbers of nodules were formed on the roots of alfalfa cultivar Franks hangmeiler and the least numbers of nodules were formed on the roots of cultivar Elga. 3. The plant height and the dry matter weight of all alfalfa cultivars were significantly increased by inoculation of Rhizobium meliloti M14, and also those were increased by applying nitrogen, but when the alfalfa cultivars were grown on the media inoculated Rhizobium M1, the plant height and the dry matter weight of alfalfas were not increased and they were same as those grown on check media. 4. The significant correlation were not detected between the number of nodules formed on the, roots of alfalfa cultivars and the plant height or the dry matter weight of alfalfa cultivars. 몇가지 Alfalfa 품종(品種)의 근류균(根瘤菌)에 대(對)한 친화성(親和性) 및 접종효과(接種效果)를 구명(究明)코자 시험(試驗)하였던 바 결과(結果)를 요약(要約)하면 다음과 같다. 1. 접종균주간(接種菌株間)에는 근류형성성(根瘤形成性)에 현저(顯著)한 차이(差異)를 보였으며 Rhizobium meliloti SU47균주(菌株)는 Luna, Von arnims altd bost 등(等) 두 품종(品種)에만 근류(根瘤)를 형성(形成)하였으며 M1균주(菌株)는 전품종(全品種)에서 근류(根瘤)를 형성(形成)치 않았고 M14균주(菌株)는 전품종(全品種)에서 근류(根瘤)를 형성(形成)하였다. 2. 근류착생수(根瘤着生數)는 Franks hangmeiler 품종(品種)이 가장 많았고 그 다음이 Galilee 품종(品種)이었으며 Elga 품종(品種)이 가장 적었다. 3. 초장(草長) 및 지상부건물중(地上部乾物重)은 공시품종(供試品種) 모두 M14균주접종구(菌株接種區)가 가장 컸고 그 다음이 질소대조구(窒素對照區)였으며 M1접종구(接種區)와 대조구(對照區)에서 가장 작았고 근장(根長) 및 지하부건물중(地下部乾物重)은 품종간(種間)및 처리간(處理間)에 유의성(有意性)을 인정(認定)할 수 없었다. 4. 근류착생수(根瘤着生數)와 초장(草長) 및 근장(根長) 그리고 지상부건물중(地上部乾物重)과 근건물중(根乾物重)과는 상관관계(相關關係)를 인정(認定)할 수 없었다.
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