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김동진,오재현,고인용 대한금속재료학회(대한금속학회) 1981 대한금속·재료학회지 Vol.19 No.5
A study on the leaching of stibnite was carried out in acidified ferric chloride solution at temperature ranging from 30℃ to 90℃. Possible leaching mechanism for the reaction was discussed with the experimental kinetic data obtained in this investigation. To evaluate the rate equation satisfying the data of the reaction, various kinetic models were discussed. The results obtained in this work are as follows; 1) The leaching rate of stibnite was enhanced by increasing the temperature and the concentration of solvent, and by making the particle size smaller. 2) In case of fine particle finer than 270 mesh, the leaching reaction is controlled by the diffusion of reactant (Fe(III)) through sulfur layer. The leaching reaction of coarse particle coarser than 270 mesh is controlled by chemical reaction in early stage and shift to diffusion controlled reaction according as the reaction progresses. 3) The apparent activation energy for pore diffusion reaction is 17 ㎉/㏖. 4) The initial leaching rate of 270/325 mesh stibnite can be expressed by the following empirical equation, d[Sb(III)]/dt = k ·[Fe(III)]^0.3 ·[HCl]^0.6
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서비스품질 지각이 고객만족과 고객충성도에 미치는 영향에 관한 연구
김동진,이상엽 한국비교정부학회 2009 한국비교정부학보 Vol.13 No.1
This study aims at presenting ways to enable financial organization using internet banking service to find the chance to establish proper strategy by measuring service quality of internet banking with 10 factors such as economic usefulness, information usefulness, reliability, customized service, ease of use, interesting, stability of system, service value, convenience, and perceived risk and finding relative importance affecting customer satisfaction and customer loyalty. For this study, existing references regarding service quality, customer satisfaction, and customer loyalty were reviewed, and research model was then created. Customers(228 samples over 20 years adults) using Nonghyup inernet banking in Jeonbuk and Chungnam area were selected. It was appeared that reliability, interesting, stability of system, service value, and perceived risk factors deciding among the factors deciding service quality affected to customer satisfaction. And customer satisfaction affected customer loyalty. The study provides following suggestions. Although the factors deciding service quality show difference in statistic significance, it generally provides customers with positive effect. Also, it was found that customer satisfaction acted as the significant mediating variable to reinforce the relationship between service quality and customer loyalty in internet banking.
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김동진,Kim, Dong-Jin 대한양계협회 2008 월간 양계 Vol.40 No.1
금년 종계업계는 지난 4월부터 100원대의 병아리 가격이 7개월간 형성되면서 그 어느때 보다 어려운 시기를 보내야만 했다. 최근에 420원까지 가격이 상승하고는 있지만 장기간의 종계 불황으로 도태 물량이 늘어나면서 나타나는 일시적인 현상으로 어려움이 아직 끝나지 않은 상태이다. 특히 사료가격 인상 등으로 생산비가 상승하면서 농가의 어려움은 더욱 커지고 있다. 본고는 이러한 어려운 현실에도 불구하고 오직 건강한 병아리 생산을 위해 혼신의 힘을 다하고 있는 광천부화장 김진영 씨를 만나 양계인 2세로써 최근의 종계업계 현황과 새해 설계를 들어보았다.
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김동진,진건,이석환,김태웅,차용재,김준길,김준태,윤미림 대한산부인과학회 1993 Obstetrics & Gynecology Science Vol.36 No.10
1981년 1월부터 1992년 12월까지 12년동안 지방공사 강남병원 산부인과에서 경험한 자궁탈 환자 168례(이중 수술환자 155례)에 대하여 임상적 고찰로 다음 결론을 얻었다. 1. 총 산부인과 환자에 대한 자궁탈의 발생빈도는 0.09%였다. 2. 연령분포는 25세부터 84세였고, 평균연령은 54.5세, 50세-59세군이 36.3세로 가장 높은 빈도를 나타냈다. 3. 자궁탈의 정도는 3도의 탈이 1도 15.55, 2도 35.7%에 비해 높은 48.8%빈도를 나타냈다. 4. 분만횟수는 0회에서 13회까지이고 평균횟수는 4.7회 4회이상이 70.3%로 가장 높은 빈도를 나타냈다. 5. 분만장소는 가정분만(89.85),병원분만(10.2%) 지역별분포는 시골지역(10.7%), 도시지역(89.3%)의 빈도를 나타냈다. 6. 자궁탈의 발생연령은 16세부터 78세까지이며 평균 발생연령은 46.5세였다. 7. 자궁탈의 지속기간은 3일에서부터 49년까지이며 평균 15.3년였고, 10년이상인 경우가 57.2%였다. 8. 임상증상은 자궁탈 호소가 95.2%로 가장 많았고 배뇨곤란과 빈뇨가 20.2%였다. 9. 총 168례중 과거치료 경험은 7례(4.1%)였으며 그중 질식자궁절제술이 제일 많았다. 10. 수술을 받은 155례중 145례(93.2%)에서 질식 자궁절제술과 전후질벽성형술 또는 후질벽성형술을 시행하였고 부속기병변 때문에 복식자궁절제술과 전후질벽성형술 또는 부속기제거술을 시행한 례가 5례(3.2%)였고, 4례에서는 질폐쇄술, 1례에서 Manchester op.를 시행하였다. 11. 재발된 경우는 4례(2.5%)로서 2례에서 전후절벽성형술 1례에서 Le Fort op. 1례에서 복식자궁 절제술을 실시하였다. 12. 수술후 합병증은 발열 6.4%, 요로감염 5.1%, 요저류 3.8%순이었다. 13. 자궁 및 부속기가 제거된 86례의 병리학적 소견은 만성경관염 65.8% 경관선의 편평세포화생 63.8%였으며 기타 자궁근종 3.2%, 난소낭종 4.4%였다. This clinical and statistical study was attempted to analyze 168 cases of uterine prolapse(13 cases-not operated, 155 cases-operated) at the Department of Obstertrics and Gynecology, KangNamGeneral Hospital during the perilod from Jan 1981 to Dec. 1992. The results are as follows: 1. The incidence of the uterine prolapse found at the Department of Obstetrics and Gynecology during the past 12 years was 0.09%. 2. The highest group of age distribution at the time of admission was 50 to 59 years(36.3%)and the mean age was 54.5 years old. 3. The highest group of the degree of uterine prolapse was the 3 rd degree(48.8%). 4. The parity showed that 118 cases(70.3%) was over 4 and I case(0.6%)was nullipara. 5. The delivery place was home in 151 cases(89.8%) and the urban area(89.3%)had a higher incidence than rural area(10.7%) 6. The age distribution at the time of development of uterine prolapse showed that 48 cases (28.5%) were 50 to 59years 33cases(19.6%) were 30 to 39years and mean age was 46.5years. 7. 96 cases(47.2%)was those cases who had suffered from the uterine prolapse for more than 10years and mean duration was 15.3years. 8. The feeling of a prolapsed mass was the most common symptom (95.25)and dysuria and urinary frequency were the next common symptoms(20.2%). 9. In 7 cases out of 168 cases(4.1%), previous treatment such as vaginal hysterectomy abdominal hysterectomy chemical cauterization was done. 10. Out of 155 cases of uterine prolapse, 106 cases(68.4%)were treated by the vaginal hysterectomy with either anterior and posterior repair and/or posterior repair. 11. Recurrence was 4 cases(2.5%) . 12. The fever was the most common postoperative complication(6.4%)and urinary tract infection was the next common symptom(5.1%). 13. Pathologic findings were as follows: Chronic cervicitis 102 cases(65.8%) squamous metaplasisa of cervical gland 99 cases(63.8%), associated ovarian cyst 7 cases (4.4.%) Leiomyoma 5 cases (3.2%)etc.
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