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Calcium Hydroxide 처리가 양앵두 果實의 品質에 미치는 영향
정삼택,김유신,전상항,김익홍 경북대학교 1990 새마을 硏究論叢 Vol.11 No.-
양앵두 佐藤錦 및 Napoleon品種을 供試하여 Ca(OH)_2 處理濃度 및 處理回數에 따른 果實生長, 果實品質, 칼슘축적 및 裂果에 미치는 影響을 調査하였던바 다음과 같은 結果를 얻었다. 1. 양앵두 果實生長은 佐藤錦품종에서 收穫1週前 Ca(OH)_2 처리농도간에는 차이가 없었으나, Napoleon품종에서 Ca(OH)_2 처리회수가 증가 할수록 抑制되었다. 2. 可溶性 固形物과 Anthocyanin함량은 Ca(OH)_2 처리농도 및 처리회수를 증가 할수록 감소하였으나, 유기산 함량은 증가하였다. 3. 果實內 칼슘축적은 Ca(OH)_2 처리농도 및 처리회수가 증가 할수록 증가하였고, 佐藤錦 품종에서 과실내 칼슘함량은 과피, 종자, 과육, 핵의 순이였고, Napoleon품종에서는 종자, 과피, 과육, 핵의 순이였다. 4. 裂果방지를 위한 Ca(OH)_2 처리는 7.2g/l를 수확 3주전부터 1週間隔으로 3회 살포하는 것이 열과를 감소시키는데 효과적이였다. The study was conducted to investigate the influences of several concentrations of Ca(OH)_2 and application time on fruit growth, quality, contents of Ca in fruits and cracking of 'sa Tou Nisiki' and 'Napoleon' sweet cherry. The results obtained are summarized as follows; 1. In Ca(OH)_2 treatments, the fruit growth of 'Sa Tou Nisiki' and 'Napoleon' sweet cherry was not influenced by its concentrations but by application times of Ca(OH)_2. 2. Contents of soluble solids and anthocyanin according to concentreation and application of Ca(OH)_2 were decreased, while titratable acidity was increased respectively. 3. Contents of Ca in the fruit according to concentration and application of Ca(OH)_2 were increased and Ca contents in both fruits differ from fruit portions. 4. Preharvest application of Ca(OH)_2 by 0.72% and three times applications reduced cracking of 'Sa Tou Nisiki' and 'Napoleon' sweet cherry. From these results, twice applications of Ca(OH)_2 to the sweet cherry are recommended for the best fruit quality, the authors believed.
정경훈,최형일,정오진,정재경,강성환,조영찬 조선대학교 환경공해연구소 1998 環境公害硏究 Vol.14 No.-
The Water quality for river surrounding closed coal mine in Hwasun area Chunnam was investigated. The investigated factors were pH, turbidity, conductivity, Fe, SO_(4)^(-2), Ca, and Mg concentration, and the crystallization form and components of suspended solids were also investigated by scanning electron microscope and energy dispersion system Extremely high value of turbidity and conductivity were represented in Honam Kwangup (N-7) and Honam Tanza (N-3)area, respectively. Fe concentration was lower in all sampling sites, and the concentration of SO_(4)^(-2) ion was higher than 200mg/L in all sampling sites excepting Dongyang Tanggwang area (N-2) and Hwail wetland (N-11). The SEM micrograph and EDS analysis showed that the crystallization form of the suspended solids was formless, These particles have size of less than 10??and the main components was O, Al, Fe and S. The corelation values between conductivity and Mg, SO_(4)^(-2), and Ca were 0.967, 0.959, 0.931, respectively, and the results indicate good corelation.
교육정책 부실로 인한 교실 붕괴에 능동적으로 대처하기 위한 학교체육의 방향과 역할
정상원 진주교육대학교 1999 論文集 Vol.41 No.-
This study was designed to infer theoretical method for prevention of present classroom destruction through physical education of the main subject of human education. In order to infer this theoretical method, largely, this study was devided to two part of the problem of present education policy on physical education, and the direction and role of school physical education in order to meet to classroom destruction through incomplete education policy. The former was composed of the deviation phenomenon of physical education through disable curriculum, and the unprofessional and irresponsible policy of education staffs. The latter was composed of content of the innovation to the active management concept of school physical education , and the necessity of active consciousness change of teacher on the learner according to education environment change, and the physical education learning according to each step through multimedia loaming program, and the connection of sport for all and school physical education program. On the basis of the theoretical data analyzed in this study, the conclusion could be drawn as follows. 1. The art physical education time of school must be elongated to provide basic space for good using of leisure time and future plan of social life. And therefore, the school and society will be connected correctly for the better life. 2. The education staffs who must be reseponsible of education environment improvement invest education budget only in science, information, and knowledge education part in spite of supplement the opportunity of compensation on He human education in school. 3. The student of present school have unhumanity attitude and physical scarcity through only hi-tech and knowledge education, Therefore, the future school will be must do reasonable space adaptable actively in social variation and wise health management through good physical education program. 4. The teachers of school with education and social environment variation must be effort to improve education environment according to each organization management effort. Through this prosessing, the teachers create and develop each step exercise, and sport part according to class age. 5. The exercise mad concept of school physical education till now will be variated to sport consumer concept meaning choice of physical education and sport program according to voluntary value recognition of student in future. 6. The relation of sport activity and multimedia could be communicate feedback on the movement with student different from passive video teaming till now. 7. Because the space of physical education and sport activity was similarly to our society, the school physical education program and program of sport for all must be connected and transfered correctly in future.
정용무,정현규,이동훈,김상수 한국비파괴검사학회 2003 최신 비파괴검사기술의 국내연구 동향에 관한 워크샵 Vol.2003 No.1
중수로 압력관에서 발생하는 수소화물 블리스터를 탐지하기 위한 초음파 속도비 방법과 피더관 균열을 원거리에서 탐지하기 위한 유도초음파 방법에 대해서 기술한다. 지르코늄 압력관과 수소화물 블리스터의 증파 속도 및 횡파 속도의 차이를 이용하여 종파-횡파 모드 변환된 저면 반사 신호와 종파 반사 신호의 비행시간을 측정하여 수소화물 블라스터를 탐지할 수 있는 방법을 개발하였다. 종래의 종파 비행시간 측정법보다 모드변환 초음파 속도비 방법이 수소화물 블리스터 탐지감도가 높음을 확인하였다. 또한 접근성과 고방사능으로 인하여 일반적인 배관 검사법을 적용하기 어려운 곡관부에 대해서 축방향 원거리 유도초음파 기법과 균열이 발견될 경우에 정밀 평가를 위한 원주방향 유도초음파 기법을 개발하였다. 방전가공 노치에 대한 실험 결과 곡관부 균열의 탐지가 가능함을 확인할 수 있었다.
교육대학교 학생들의 체육스포츠 활동에 관한 실태조사 : 진주교육대학교를 중심으로
정상원 진주교육대학교 학생생활연구소 2002 학생생활연구 Vol.10 No.-
This study was designed to investigate sport action consciousness of Jin-Ju National Educational University Students for actualization of elementary school physical education. For this study, questionnaire was used to investigate sport action consciousness of Jin-Ju National Educational University Students. The first grade 474 sub jects was selected from university, who were classified into two group(male:118, female:356). On the basis of the analyzed in this study, the conclusion could be drawn as follows. 1. In ball game selection, male showed order of soccer, basketball, table tennis, tennis and female showed order of do not activity, volley-ball, tennis, table tennis. The significance of sex is p< .001 level. 2. In leisure selection, male showed order of badminton, swimming, bowling, climbing and female showed order of badminton, swimming, bowling, jogging(p< .01). 3. In sport activity Sequency per week, male showed order of 2-3, 1, 4-5 per week and female showed order of 0, 2-3, 3-4 per week(p< .001). 4. In exercise time analysis, male showed order of 1-2hour, under 1hour per exercise one try and female showed order under 1hour, 1-2hour per exercise one try(p< .001). 5. In sport activity fee analysis, all of the male and female showed order of no money, under 20000won(p< .001).
정용무,김상수,이동훈,정현규 한국비파괴검사학회 2004 학술대회 논문집 Vol.- No.-
A circumferential guided wave method was developed to detect the axial crack on the bent feeder pipe. Dispersion m e s of circumferential guided waves were calculated as a function of curvature of the pipe. In the case of thin plate, i. e. infinite curvature, as the frequency increases, the So and A0 become to be coincided and eventually Rayleigh wave mode. In the case of pipe, however, as the curvature increases, the lowest modes do not coincide even in the high frequencies. Based on the analysis, a rocking technique using angle beam transducer was applied to detect axial defect in the bent region of PHWR feeder pipe. After review of the experimenal data on the artificial notches, the vibration modes of each signal were identified. It was found that the notches with the depth of 10% of wall thickness be detected with the method.
鄭三澤,全相恒,金益弘 경북대학교 1991 새마을 硏究論叢 Vol.12 No.-
This experiment was carried out to know the effect of agricultural ehemicals as a fruit thinner of apple varieties such as Fuji, yellow delicious, Jonagold and starkrimson with sevin and smithion in 1990. The results were as follows. 1) Fuji cultivar showed higher thinning effect with sevin and smithion in the center fruit. Trees treated with smithion was 89.3% in the side fruit and 67.5% in thinning rate with sevin 2) Simmilar thinning effect were shown in yellow delicious and starkrimson cultivars, too. 3) Jonagold cultivar showed striking thinning effect and that side fruits were dropped cntirely. This cultivar seemed to response well. From these results, agricultural chemicals, sevin and smithion can be applied as a thinning agent for apple cultivars effectively without any injury to the tree, the authors believed.
급성 백혈병 환자에서 감염증의 양상 및 예후인자에 관한 연구 : 1988년∼1995년까지
정희진,김병수,신상원,김열홍,김우주,김민자,김준석,박승철,김권범 대한감염학회 1998 감염 Vol.30 No.3
목적 : 급성 백혈병의 경우 골수기능이 억제되고 항암화학요법에 따른 골수기능 저하로 감염의 위험이 증가하며 감염의 치료가 환자의 생존에 큰 영향을 미치게 된다. 이에 저자들은 1988년부터 1995년까지 고대 구로병원에 급성 백혈병으로 입원했던 환자들 중 입원 기간 내 감염이 있었던 경우를 대상으로 하여 감염의 위험인자 및 감염증의 예후를 후향적으로 분석함으로써 향후 급성 백혈병환자의 감염의 치료에 대한 지침을 얻고자 하였다. 방법 : 급성 백혈병으로 확진된 환자들 중 감염병에 이환된 경우를 대상으로 하여 각각을 미생물학적 확인감염, 임상적 확인감염, 그리고 설명 불가열로 구분하였다. 각각의 경우에서 감염 당시의 호중구 수, 호중구 감소 기간, 항암화학요법과의 연관성, 감염 병소, 배양된 검체 및 원인균, 선택적 소화관 살균법의 사용여부 및 골수회복 여부 등을 조사한 후 환자의 예후와 어떤 관계가 있는 지 조사하였다. 결과 : 연구 대상은 총 113예로 남녀비는 46:67 이었고 평균연령은 34±13세, 진단은 급성 골수성 백혈병 (AML)이 84예, 급성 림프구성 백혈병(ALL)이 29예였으며, 감염시 평균 호중구수는 663±1678/㎣이었고, 호중구 감소 기간은 평균 18±13일이었다. 감염양상은 항암화학요법과 연관된 감염이 84예로 대부분이었고 미생물학적 확인 감염이 40예로서 35%였으며, 폐렴과 원발성 패혈증이 각각 20예와 19예로 가장 많았고, 카테터 연관 감염이 7예로 나타났다. 배양된 균주는 E. coli가 10예(25%)로서 가장 많았으며, 전체적으로 E. coli, P. aeruginosa, K. pneumoniae 등의 그람음성균이 63%로 대부분을 차지하였으나 최근 그람양성구군 및 진균의 분리율이 증가하는 양상을 보였다. 감염증의 예후를 분석한 결과 진균 감염인 경우나 호중구 감소 기간이 긴 경우 사망률이 높았으며 그 중에서도 골수 기능이 회복 여부가 환자들의 생존과 통계적으로 유의한 연관이 있었다.(P=0.01). 결론 : 급성 백혈병 환자들에서의 감염은 관해유도화학요법 후 초래되는 호중구 감소와 유의한 관계가 있으며, 폐렴 및 패혈증의 임상양상을 보이는 경우가 흔하고, 원인균별로는 그람 음성균이 주류를 이루나 최근 그람 양성균 감염이 증가하는 추세를 보였다. 감염의 예후 인자로는 진균 감염인 경우나 호중구 감소 기간이 긴 경우 사망률이 높았으나 골수 기능의 회복여부가 결정적인 역할을 하는 것으로 나타나, 향후 급성 백혈병 환자의 치료에 있어 감염 빈도의 감소와 감염에서의 조속한 회복을 위해서는 골수 기능의 회복에 중점을 두어야 할 것으로 사료된다. Background : Infection is one of the most important and fatal complications in patients with acute leukemia. The characteristics of infection in acute leukemic patients are different from those in other diseases by the lack of normal inflammatory responses or distinct clinical evidence except fever. To improve the outcome of acute leukemia, it is very important to recognize the risk factors, patterns and prognostic factors of acute leukemia. Methods : We analyzed retrospectively the patterns of infection from 113 febrile patients with acute leukemia from January, 1988 to December, 1995. To determine the prognostic factors and the outcome of infection, the following variables were analyzed: the presence of neutropenia, use of chemotherapeutic agents, type and site of infections, isolated organisms, gastrointestinal decontamination, duration of neutropenia, and bone marrow recovery. Results : Out of 113 febrile patients with acute leukemia, 84 infection episodes(74%) occurred after chemotherapy. The mean duration of neutropenia was 18±13 days. The incidence of microbiologically-documented infection(MDI) was 35%(40/113). Pneumonia was the most common infection(26%), followed by primary sepsis(24%), catheter-related infection(9%). In cases of MDI, 63% were caused by gram-negative bacteria, followed by gram-positive bacteria(28%), and fungi(10%). Escherichia coli(25%) was the most common isolated in MDI. Regarding the prognostic factors in cases with infections, the recovery of bone marrow function was the only statistically significant factor(P=0.01). Conclusion : Infection has been a major cause of morbidity and mortality in acute in acute leukemic patients. To prevent infection and thereby improve the prognosis of acute leukemia, restoration of bone marrow function at early stage is important.