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이두영,김성호,선제형,박진석,손존광,선홍주,이승,박찬국 朝鮮大學校 附設 醫學硏究所 2004 The Medical Journal of Chosun University Vol.29 No.2
Gastric candidiasis is an uncommon disorder. It is an opportunistic pathogen in immune compromised individuals, alcoholics, persons treated with broad-spectrum antibiotics, immunosuppressive and chemotherapeutic agents. Besides, the use of drugs that reduce the gastric acid production may be a cause of gastric candidiasis. We experienced a case of gastric candidiasis following advanced gastric adenocarcinoma. A 85-year-old woman was admitted to our hospital because of epigastric soreness. Endoscopic findings revealed a large ulcero-infiltrating mass with yellow exudate at cardia of the stomach, which suggested an advanced gastric cancer. Endoscopic biopsy revealed spores and pseudohyphae infiltrating through the ulcerated stomach wall, diffuse infiltration of tumor cells and abortive tumor glands. After treatment with fluconazole 100 mg daily for 21 days, no evidence of the gastric candidiasis was seen on endoscopic biopsy and pathologic findings. The case is herein reported of gastric candidiasis following advanced gastric adenocarcinoma along with a review of corresponding literature.
채광석(Gwang-Seok Chae),박석두(Seok-Doo Park) 한국농촌경제연구원 2012 한국농촌경제연구원 기본연구보고서 Vol.- No.-
Background of Research This study focuses on investigating the actual state of farmland inheritance and presenting desirable improvement methods in the aspect of sustainable agricultural management. This study is to find out the methods for stable management succession by inheritors or other farmers in the aspect of agricultural structure policy. Therefore, the main contents of this study include the problems, tasks, and methods of farmland inheritance for sustainable agricultural management. Method of Research In order to provide the improvement methods, the following steps are to be taken: 1) identify the actual state of farmland inheritance (in case of professional farmers versus general farmers and inheritors) 2) analyze its influence to agricultural management 3) derive tax matters related to it, and 4) provide the system for it, which supports successive farmers to be its beneficiaries and leads the people who are not farmers to use their inherited farmland with maximized efficiencies, and make policy improvements Research Results and Implications The main contents of this paper are described in four chapters as follows: In Chapter 2, we figure out the farmland inheritance system and its problems by reviewing the related laws. Then, we review the inheritance related systems, such as the Family Business Inheritance Support System and the Agricultural Management Inheritance Support System. In Chapter 3, we discuss the actual state of farmland inheritance and farmer succession, and also their problems. At first, by using the data from the nationwide statistics, the trend of farmland inheritance and the actual state of farmer succession are reviewed. Especially in regard to farmer succession, the factors influencing the selection of major inheritors are analyzed. Then, through a survey, the actual state of specific agricultural inheritance, inheritance intentions, etc. are identified. In Chapter 4, we also discuss the case studies related to farmland inheritance in other countries. At first, agricultural inheritance laws in Germany, Japan and France are examined. The German system does not recognize division of farmland inheritance among sibling inheritors but recognizes the inheritance by only one sibling among them. In contrast, the Japanese and French systems are for the equal division of inheritance. Regarding the inheritance support system, we review case studies in the United States of America, the United Kingdom, and Japan. Chapter 5 is for the farmland inheritance system and its policy improvement methods, including the vision, direction, and tasks for fulfilling sustainable agricultural management. The policy methods are, in large part, divided into two: the one which supports agricultural inheritance of successive farmers and the other which leads people who are not engaged in agriculture to maximize efficiencies of their inherited farmland.
The Impact Stresses and Wave Propagation of Laminated Composites
Ahn, Kook Chan,Kim, Doo Hwan,Lee, Gwang Seok The Korean Society of Safety 2002 International Journal of Safety Vol.1 No.1
This paper demonstrates the impact stresses and wave propagation characteristics of glass/epoxy laminates subjected to the low-velocity impact by a steel ball theoretically and experimentally. A plate finite element model in conjunction with experimental contact laws is used for the theoretical investigation. The specimens for statical indentation and impact test are composed of $[0/45/0/-45/0]_28 and [90/45/90/-45/90]_28$ stacking sequences and have clamped-simply supported boundary conditions. Finally, these two results are compared and then the impulsive stress and wave propagation characteristics of this laminated composite are studied.
Silicon nanowires with a carbon nanofiber branch as lithium-ion anode material
Song, Taeseup,Lee, Dong Hyun,Kwon, Moon Seok,Choi, Jae Man,Han, Hyungkyu,Doo, Seok Gwang,Chang, Hyuk,Park, Won Il,Sigmund, Wolfgang,Kim, Hansu,Paik, Ungyu Royal Society of Chemistry 2011 Journal of materials chemistry Vol.21 No.34
<P>Si nanowires (SiNWs)–carbon nanofibers (CNFs) branched structures with variation in carbon densities were synthesized. SiNWs with critical density of CNFs show the best electrochemical performance, which is attributed to increase in free volume around the SiNWs as well as a buffering role of the branched CNFs against large volumetric change during cycling.</P> <P>Graphic Abstract</P><P>Si nanowires branched with different densities of carbon nanofibers were synthesized and the effect of geometrical features on electrochemical performances was studied. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c1jm12511g'> </P>