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배지의 무기염류와 sucrose 농도가 감자의 기내 shoot 증식과 기내경 삽목묘의 생존율에 미치는 영향
김희곤,임순희,안장순,송창길,박미경,강봉균 全南大學校 農業科學技術硏究所 1999 農業科學技術硏究 Vol.34 No.-
감자의 virus-free 기내경 삽목묘의 효율적인 대량 생산 체계의 확립을 위하여 생장점 배양으로 얻어진 감자의 기내경의 증식과 기내경의 순화삽목을 실시한 결과는 다음과 같다. 초대배양에서는 염류농도와 sucrose 농도가 높을수록 양호하였다. 즉, MS나 2MS에 sucrose를 6% 첨가한 배지에서 튼튼한 기내경이 생산되었다. 계대배양에서는 sucrose 농도가 높을수록 줄기의 길이는 단축되고 굵기는 커졌으며 생체중은 염류농도와 관계없이 3%의 sucrose가 첨가된 배지에서 무거웠다. 이들 유식물체의 경절을 삽목한 결과 계대배양 배지의 sucrose농도가 6%인 배지에서 생존율이 높은 경향이었다. In order to establish a mass propagation system of potato planting material, in vitro multiplication of virus-free shoot originated from meristem culture and sucrose concentrations on survival of cutting of the in vitro stem tried with various media containing different levels of MS salts(0.5x, 1x and 2x) and sucrose(1.0, 3.0, 6.0%), and the effects of MS salts elements were evaluated. Higher level of sucrose in the initial culture media favored the shoot growth, that is, both of 1MS and 2MS media containing 6.0% sugar produced stouter shoots. Higher level of sucrose in the subculture media also favored the development of compact stout shoots, but biomass production in terms of fresh weight was high on the media containing 3.0%sucrose, regardless of MS salts concentration. The survival rate of cuttings made of the in vitro stem segments tended to be higher in those obtained from subculture media containg 6.0%sucrose.
연구논문 : 자활참여자의 자립마인드향상 프로그램 개발 연구
권복순 ( Bok Soon Gwon ),이정희 ( Jung Hee Lee ),남희은 ( Hee Eun Nam ) 한국인적자원관리학회 2012 인적자원관리연구 Vol.19 No.2
본 연구의 목적은 자활사업 참여자들의 자립마인드향상 프로그램을 개발하여 참여자의 정신건강 증진과 바람직한 인간관계를 강화하여 자활의욕고취와 자립능력의 향상을 도모하는 것이다. 본 연구는 집단훈련 프로그램 모형 개발을 적용하여 효과 분석을 한 실증적 연구로 시행하였다. 프로그램을 직접 실시한 실험군의 62명과 통제군 64명을 대상으로 하여 프로그램 실시후 자아존중감과 자기효능감의 사전사후 검사를 실시하였다. 그 결과는 다음과 같다. 첫째, 자립마인드 향상 프로그램을 실시한 실험집단의 경우 자아존중감과 자기효능감이 통계적으로 유의하게 향상된 것으로 나타났으며, 통제군의 경우 향상되지 않은 것으로 나타났다. 둘째, 자립마인드 향상 프로그램을 실시한 후 질적인 분석을 한 결과 개인의 심리적 변화와 생활에서 긍정적인 변화가 나타났다. 이에 지속적인 만남을 통한 자조그룹의 형성과 관리, 지역 네트워크의 강화와 참여자들의 특성과 욕구가 반영된 프로그램개발의 다양화와 실행기회 확대가 필요하다. The purpose of this study is developed to independence-mind improvement program for self-sufficient group and investigate the effect of this program, For the purpose, independence-mind improvement program was developed for raising of self-sustained morale and independence skills improvement, This Program was run 12session, each time took two hours, The subjects were 126 self-sufficient, 62 of whom participated in 12 session as experimental group, while the 64 person allocated to the control group with no treatment, To obtain the data, self-efficacy, self-esteem scale were used and t-test was used to analyze data. The results showed that independence-mind improvement program affected significantly on improvement of self-sufficient``s self-efficacy, self-esteem. The formation of self-help groups and the strengthening of regional networks were suggested.
정상인 및 신기능장애환자에서의 Ethambutol 의 약동학
김순배(Soon Bae Kim),김대중(Dae Joong Kim),한진석(Jin Suk Han),김성권(Suhng Gwon Kim),이정상(Jung Sang Lee),박찬웅(Chan Woong Park),한용철(Yong Chol Han),신상구(Sang Koo Shin),이선희(Sun Hee Lee) 대한내과학회 1987 대한내과학회지 Vol.33 No.5
N/A Ethambutol is commonly u in chemotheraphy of tuberculosis but little is known about its pharmacokinetics in patients with impaired renal function and there is much difficulty in its dose adjustment in these patients. Pharmacokinetics of single oral dose (15 ㎎/㎏) of ethambutol was studied in 7 normal subjects and 24 patients with impaired renal function including 7 patients on long-term hemodialysis. The results were as follows; 1) In view of parameters in normal subjects, approximately 74% of ethambutol was cleared by the kidney. 2) In patient with renal insufficiency, half-life of ethambutol was prolonged and renal clearance was reduced without change of volume of distribution and non-renal clearance. With these results, we recommended a method of dose adjustment as follows; Ccr≥75 ml/min - 15㎎/㎏, 50≤Ccr<75 - 13㎎/㎏. 25≤Ccr<50 - 10㎎/㎏, 10≤Ccr<25 - 8㎎/㎏, Ccr<10 - 6㎎/㎏. 3) Hemodialysis cleared 3.3% of ethambutol administrated, so supplementary dose after hemodialysis was unnecessary.
MeV 이온주입에 의한 Retrograde Triple-well 형성시 발생하는 결함제어
정희석(Hee-Seok Jeong),고무순(Moo-Soon Ko),김대영(Dae-Young Kim),류한권(Han-Gwon Ryu),노재상(Jae-Sang Ro) 한국항해항만학회 2000 한국항해항만학회 학술대회논문집 Vol.3 No.1
This study is about a retrograde triple well employed in the Cell tr. of next DRAM and flash memory. triple well structure is formed deep n-well under the light p-well using MeV ion implantation. MeV P implanted deep n-well was observed to show greatly improved characteristics of electrical isolation and soft error. Junction leakage current, however, showed a critical behavior as a function of implantation and annealing conditions. {311} defects were observed to be responsible for the leakage current. {311} defects were generated near the Rp (projected range) region and grown upward to the surface during annealing. This is study on the defect behavior in device region as a function of implantation and annealing conditions.
장 게실염에 동반된 녹농균 패혈증에 의한 문맥염 및 간 농양 1예
문윤권 ( Yoon Gwon Mun ),손성완 ( Seong Wan Son ),김민아 ( Minah Kim ),김인수 ( Insoo Kim ),김용희 ( Yong Hee Kim ),정일순 ( Il Soon Jung ),고병성 ( Byeong Seong Ko ) 대한소화기학회 2016 대한소화기학회지 Vol.67 No.6
Pylephlebitis, or suppurative thrombophlebitis of the portal venous system, is a rare condition occurring secondary to abdominal infections such as diverticulitis. Pylephlebitis can be diagnosed via ultrasonography or CT scan, and is characterized by the presence of a thrombus in the portal vein and bacteremia. However, the diagnosis may be delayed due to the vague nature of the clinical symptoms, causing morbidity and mortality due to pylephlebitis to remain high. Early diagnosis and immediate antibiotic therapy are important for favorable prognosis. Therefore, pylephlebitis should be considered in the differential diagnosis for cases of nonspecific abdominal pain and fever. We report a case of pylephlebitis secondary to diverticulitis, associated with Pseudomonas aeruginosa sepsis. Such cases have not been widely reported. (Korean J Gastroenterol 2016;67:327-331)
인터넷쇼핑몰기업의 해외유통채널별 기업특성과 창업자 특성이 국제화성과에 미치는 영향에 대한 집단 간 차이 분석
조예희(Ye-Hee Cho),최순권(Soon-Gwon Choi) 한국인터넷전자상거래학회 2018 인터넷전자상거래연구 Vol.18 No.4
In this study, the intergroup difference was analyzed on the effect of company & entrepreneur characteristics per foreign distribution channel of the internet shopping mall company to the internationalization performance. To enable this, 135 domestic internet shopping mall companies with overseas sales were subjected to analyze their survey data to perform the multiple regression analysis and the Chow test. The three types of independent shopping mall, lease shopping mall and overseas shopping mall were combined to groups of independent shopping mall & lease shopping mall, independent shopping mall & overseas shopping mall, and lease shopping mall and overseas shopping mall to first perform the regression analysis, and the Chow test was conducted to verify the regression coefficient difference between the two groups. In the empirical analysis results, the independent shopping mall & lease shopping mall group and the lease shopping mall & overseas shopping mall group showed a significant difference in the overseas sales portion. In the independent shopping mall & lease shopping mall group, the independent shopping mall constructs the shopping mall directly and the products are displayed to be managed, and the lease shopping mall is a method of paying monthly lease fee to the business operating the internet sales service. When we compare these operating methods, the independent shopping mall has higher investment in construction management and marketing cost than the lease shopping mall, so it was verified that it was operated more actively to show a difference in the overseas sales portion. In the lease shopping mall & overseas shopping mall group, the lease shopping malls lack experience and the business is small to be not focusing the investment in the overseas sales, and in the case of overseas shopping mall, the start-up is attempted more in overseas due to the expertise of the entrepreneur, so there is a difference in the overseas sales portion between the lease shopping mall and the overseas shopping mall.
개념도를 적용한 학습전략이 초등학교 아동들의 학업 성취도와 과학적 흥미도에 미치는 영향
김용권,신상순,이석희 부산교육대학교 과학교육연구소 2002 科學敎育硏究 Vol.27 No.-
The purpose of this study was to identify the effect of utilizing concept maps teaching strategy on scientific learning achievement and scientific interest in elementary school children. The subjects of this study were seventy-nine children selected from two classes of elementary school fifth graders located in busan. The subjects were classified into two groups : One group in composed of thirty-nine students(experimental group) who were participated in concept maps activity, and the other is composed of fourty students(comparative group) who were in the traditional teaching method. The pretest showed that were no significant differences between experimental and comparative group in scientific learning achievement and scientific interest. The results of this study are as follows : Firstly, after the classes, the scores of post-concept test were different from the experimental to comparative group. The concept maps teaching strategy was more effective in improving the scientific learning achievement than the traditional teaching method through the concept maps activity with feed-back of the discussion of children and the advise of teacher. Secondly, the concept maps teaching strategy was more effective in the improvement of the scientific interest than the traditional teaching method through the concept maps activity with the self-participation in group, the solution of problem, and etc. In conclusion, the concept maps teaching strategy was more effective than the traditional teaching method in scientific learning achievement and scientific interest. But the concept maps teaching strategy was less uneffective than the traditional teaching method on interest of scientific subjects.