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ADVANCED MMIS TOWARD SUBSTANTIAL REDUCTION IN HUMAN ERRORS IN NPPS
Seong, Poong Hyun,Kang, Hyun Gook,Na, Man Gyun,Kim, Jong Hyun,Heo, Gyunyoung,Jung, Yoensub Korean Nuclear Society 2013 Nuclear Engineering and Technology Vol.45 No.2
This paper aims to give an overview of the methods to inherently prevent human errors and to effectively mitigate the consequences of such errors by securing defense-in-depth during plant management through the advanced man-machine interface system (MMIS). It is needless to stress the significance of human error reduction during an accident in nuclear power plants (NPPs). Unexpected shutdowns caused by human errors not only threaten nuclear safety but also make public acceptance of nuclear power extremely lower. We have to recognize there must be the possibility of human errors occurring since humans are not essentially perfect particularly under stressful conditions. However, we have the opportunity to improve such a situation through advanced information and communication technologies on the basis of lessons learned from our experiences. As important lessons, authors explained key issues associated with automation, man-machine interface, operator support systems, and procedures. Upon this investigation, we outlined the concept and technical factors to develop advanced automation, operation and maintenance support systems, and computer-based procedures using wired/wireless technology. It should be noted that the ultimate responsibility of nuclear safety obviously belongs to humans not to machines. Therefore, safety culture including education and training, which is a kind of organizational factor, should be emphasized as well. In regard to safety culture for human error reduction, several issues that we are facing these days were described. We expect the ideas of the advanced MMIS proposed in this paper to lead in the future direction of related researches and finally supplement the safety of NPPs.
강현삼,이한형,박기철,김건한,서만철,서정호,최기영 공주대학교 문화재보존과학연구소 2003 문화재과학기술 Vol.2 No.1
전북 부안 유천리 청자요지에서 수습된 청자편 11점의 태토 및 유약에 대하여 화학조성을 분석하고, 기 발표되어진 문헌의 청자데이터들을 종합하여, 이와 비교함으로써 본 시료의 도자특성과 및 산지에 대한 정보를 유추하였다. 태토의 주요산화물 분석에는 XRF를 이용하였으며, 유약의 주요산화물분석에는 EPMA를 이용하였다. 태토 중 17개 미량성분의 분석에는 ICP-MS를 이용하였고, 자료의 비교분석에는 Seger식에 의한 방법과 주성분분석법에 의한 통계처리방법을 병행하였다. 태토의 주요산화물에 대한 비교분석결과 유천리 청자는 Seger 식과 주성분분석에서 RO_(2)와 RO+R_(2)O가 6~8 및 0.3~0.38 mole로, 또 높은 SiO_(2)함량과 낮은 Na_(2)O, CaO의 함량으로 전북지역의 데이터 범위에 분포함을 볼 수 있었다. 유약의 주요산화물에 대한 비교분석결과에서는 Seger식과 주성분분석에서 모두 명확한 지역구분이 나타나지 않았으며, 따라서 유천리 청자 역시 명확한 지역적 특성을 구분하기 어려웠다. 태토중 미량성분의 주성분분석에 의한 통계처리결과 광주 충효동 도편들을 제외하고는 뚜렷한 지역간의 구분을 관찰하기 어려웠다. The characterization of chemical properties and analogy of manufactured origin for the eleven celadon sherds collected in Yuchunri, Buan were performed by analyzing their body and glaze compositions and compared with previous data reported. The chemical compositions of the body and glaze were determined by XRF and EPMA, respectively. The trace elements of the body were also determined by ICP-MS. The Seger analysis and PCA were used to compare the major compositions of body and glaze of the potteries we found with previous data. The Celadon sherds from Yuchunri are distributed in a range of Chonnam potteries considering RO_(2) and RO+R_(2)O are 6~ 8 and 0.3 ~O.38mole, respectively and also high in SiO_(2) and low in Na_(2)O and CaO concentrations in the comparison between the potteries for the major compositions of the body. Differences of the chemical characteristics of those potteries between the provinces were not clear in comparison of the glaze compositions and trace element of the body.
명정구,조선형,박정호,백상규,김종만,강필선 한국어류학회 2003 韓國魚類學會誌 Vol.15 No.3
1. 2002년 10월 16∼17일에 스쿠버다이빙, 수중 촬영을 통하여 전라남도 신안군 가거도 주변 가을철 연안의 어류상을 조사한 결과 총 5목 23과 40종이 확인되었고, 지금까지 기재 된 어종 이외에 18종이 추가로 확인되었다. 2. 어종 구성으로 보면 양볼락과가 7종으로 가장 많았으며, 그 다음으로 둑중개과가 4종, 자리돔과가 3종 순이었다. 3. 가거도 주변에서 지금까지 확인된 어종들은 온대성 어종이 대부분이었지만, 그 외에 노랑자리돔, 청황베도라치 및 파랑돔 등 난류성 또는 아열대 어종이 확인되어 제주도나 독도와 마찬가지로 대마난류의 영향도 받고 있음을 나타내었다. The fish fauna in the coastal waters of Gageodo Island, South-west Sea, was investigated by SCUBA diving in October 16 and 17, 2002. The fishes observed were classified into 40 species in 23 families. In Autumn, subtropical fishes in such as families as Pomacentridae, Pomacanthidae and Apogonidae, represented 12.5% of the total, while eurythermal species represented 72.5%.
이강숙,임현우,노영만,구정완,조재천,박정일,김진홍 가톨릭대학산업의학센타 산업의학연구소 2003 韓國의 産業醫學 Vol.42 No.2
The production and intensive use of organochlorine chemicals, both in agriculture and industry, have led to wide spread contamination of the environment. There may be biological effects of organochlorine contaminated breast milk even when levels are below those concentrations that are currently regarded as tolerable. To evaluate the exposure of to fetus PCBs, we measured the sum of 13 congeners of PCBs in maternal blood, cord blood, breast milk and placenta of 30 Korean women by gas chromatograpy/electron capture detector. The concentration of total PCBs of maternal blood, cord blood and breast milk were 7.16±4.29 ㎍/ℓ, 5.16±3.12 ㎍/ℓ, 1.77±2.87 ㎍/ℓ respectively and they have no significant correlation. PCBs in placenta was not defected. However there were no significant differences of PCBs according to age, education, body mass index, parity, breastfeeding, smoking and drinking.
Stage II B형 골육종에 대한 술전 항암화학요법 및 수술적 치료 결과
김정만,우영균,김형민,김훈교,이승구,강용구 가톨릭중앙의료원 가톨릭암센터 1997 암심포지움 Vol.- No.1
Recent advances in imaging techniques, surgery and combination anti-cancer chemotherapy have brought high survial rates in osteosarcoma. To investigate the survival rate, local recurrence and complications in treatment, we analysed 25 osteosarcoma cases who had been treated with preoperative neo-adjuvant chemotherapy, surgery and post operative chemotherapy at Department of Orthopedic Surgery, Catholic University. From May 1988 to April 1995, 42 cases of stage IIB osteosarcoma were admitted in Department of Orthopedic surgery. Among them, 17 cases who didn't follow our treatment guidance were excluded in this study. The average age were 19 years. There were 21 males and 4 females. The involved sites were 4 humerus, 10 femur, 10 tibia and 1 talus. Eleven cases had received intra-arterial cisplatin and intravenous adriamycin chemotherapy, and 7 T-10 protocol and 7 intravenous ifosfamide, ADR, methotrexate, cisplatin. Among twenty-three cases were treated with limb salvage surgery, and 2 amputation. The average follow-up was 35 months(3-82). There were 14 cases of continuous disease free, 9 cases of died of desease, 1 case of alive with disease, and 1 case of no evidence of disease at final follow-up. There were three cases of local recurrence at 6,8 and 12 months after operation. The Estimated kaplan-Meier's 5 year survival rates for all, ADR-cisloatin group, T-10 protocol group, and ifosfamide regimen group were 66%, 73%, 44% and 72%, respectively.
송병만,오미진,강정림,정경택,정동수 국립7개대학공동논문집간행위원회 2001 공업기술연구 Vol.1 No.-
In this paper, reflex RGB data captured from WebCam is stored to HDD through USB port at every 5 seconds intervals. Also, if strangers are detected through Motion Detection routine, warning voice message is broadcasted and invasion message is transmitted by e-mail and transmit the e-mail title to mobile phone through WAP(Wireless Application Protocol) Push. The detected image is stored to hard-disk in 'month - day - hour - minute - second . jpg' data type. And the image data is transmitted to web server through FTP(File Transfer Protocol) because invader can deletes or destroys the image data on hard-disk. We implement a surveillance system which is able to utilize through internet regardless of time and space.
Case Report : Hepatoid Carcinoma of the Pancreas Combined with Neuroendocrine Carcinoma
( Ji Ye Jung ),( Yoon Jae Kim ),( Hee Man Kim ),( Hong Jeoung Kim ),( Seung Woo Park ),( Si Young Song ),( Jae Bock Chung ),( Chang Moo Kang ),( Joo Yeon Pyo ),( Woo Ick Yang ),( Seung Min Bang ) The Editorial Office of Gut and Liver 2010 Gut and Liver Vol.4 No.1
Hepatoid carcinoma is a primary extrahepatic carcinoma whose morphology, immunohistochemistry, and behavior are similar to those of hepatocellular carcinoma. The most common sites of extrahepatic carcinoma are the stomach and ovary, but nine cases of hepatocellular differentiation of the pancreas have been reported in the literature. We report another case of hepatoid carcinoma of the pancreas that was associated with the development of a pancreatic endocrine carcinoma in a 46-year-old man. Serum alpha-fetoprotein (AFP) was elevated to 262.49 IU/mL and radiological examinations revealed a mass measuring 7.5 cm in diameter in the head of the pancreas. He underwent a conventional Whipple operation, and light microscopy showed adenocarcinoma that was immunopositive for AFP, hepatocyte antigen, cytokeratin, chromogranin, synaptophysin, and alpha-1 antichymotrypsin. Although hepatoid differentiation was not shown unequivocally histologically, other immunohistochemistry findings supported the diagnosis of hepatoid carcinoma combined with neuroendocrine carcinoma. The patient was healthy and had no evidence of recurrence at 4 months after the surgery. This report describes why hepatoid carcinoma should be considered as a differential diagnosis of a pancreatic mass, especially when serum AFP is elevated. (Gut Liver 2010;4:98-102)