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재발성 복부 통증을 호소한 환자에서 복벽에 발생한 자궁내막증 1예
홍현진,박성한,이준식,배용목,김지연,안광순,박선자 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.1
Endometriosis is the abnormal growth of endometrial tissue outside the uterine cavity. Endometriosis in the abdominal scar following cesarean section is very rare condition among the extrapelvic endometriosis. The frequency of abdominal wall endometriosis secondary to cesarean section is from 0.03% to 0.8% in some reports. It is difficult to diagnosed in spite of the typical symptoms. The typical symptom is aching swelling in the area of the surgical scar, which is influenced by the phases of menstruation. The definitive diagnosis is established by pathologic analysis. Surgical excision remains the treatment of choice. The majority of patients presented from 1 to 2 years after the precipitating operation. We experienced an unusual case of abdominal wall endometriosis presented over 10 years after cesarean section, who was admitted to our hospital complaining of recurrent left lower abdominal pain. So, we report this case with a brief review of the concerned literatures.
김광현 기전여자대학 1991 論文集 Vol.11 No.-
The efficiency and fault coverage of the conformance testing are largely dependent on the test sequence generated. In this paper, in order to do protocol testing based on FSM model, UIO (unique input/output) method generating test sequence is used. To advance fault detection capability of UIO sequence, problem of existing UIO method is proposed and designed unique verification system. For state with multiple UIO sequence, UIO sequence which is verified presented fault detection capability.
허광식,손현화,김동규,박찬국,김만우,김정용,기근홍 조선대학교 부설 의학연구소 2000 The Medical Journal of Chosun University Vol.25 No.1
Primary unruptured appendiceal mucocele is a rare disease. It is very difficult to diagnose preoperatively because of the rarity of classical symptoms and low incidence. Usually it is discovered incidentally during abdominal ultrasonography(US), computed tomography(CT), or appendectomy for acute appendicitis. If untreated, one type of mucoceles may rupture producing a potentially fatal entity known as pseudomyxoma peritonei, therefore preoperative diagnosis is very important. With the advent of colonoscopy, abdominal US and CT, it has been possible to preoperatively diagnose mucocele of appendix. We experienced a case of appendiceal mucocele in a 60 year-old woman who had symptoms of lower abdominal discomfort and right lower quadrant abdominal pain, and it was diagnosed preoperatively by colonoscopy, abdominal US and CT. So we present this case with review of literature.
대학 교양영어과정중 청해력 학습지도 향상을 위한 몇가지 고찰들
崔光鉉 全北大學校 1995 論文集 Vol.39 No.-
The purpose of this article is to present some strategies for teaching English listening comprehension in the general culture course of university. It considers what points of teaching effective listening may be examined : points such as the theoretical background, methodologies, the relationship between listening skills and phonetics, utilizing radio broadcasts and video tapes, the role of kinesic behaviour and improving the syllabus about listening comprehension. Finally, specific guidelines for integrating listening skills are outlined.
Gable bend 및 spring 形態가 犬齒遠心移動에 미치는 影響
金光石,成在鉉 慶北大學校 齒科大學 1985 慶北齒大論文集 Vol.2 No.1
The purpose of this study is to research the effects of gable angle and spiring configuration of sectional retractor springs on the activation force. Bull loop(.016"x.022",.018"x.022"),closed vertical loop(.016"x.016"),closed vertical loop c helix(.016"x.016"), and closed vertical double c helix(.016"x.016"), closed vertical double loop(.016"x.016") were fabricated by the same instrument, forming gable angle of 0°, 30°and 45°. They were divided into heat treated group and non-heat treated group. The results obtained through tensile strength test using universal testing machine are as follows. The amount of activation force was shown in the order of Bull loop, closed vertical loop, closed vertical double loop, closed vertical loop c helix, and closed vertical double loop c helix, in which Bull loop is the strongest. Activation force was increased according to the increase of gable angle in Bull loop, closed vertical double loop and closed vertical double loop c helix, but the degree of gable angle didn't effect on the activation force of the closed vertical loop and closed vertical loop c helix. The increase of activation force was shown in each heat treated spring, particularly in the Bull loop of large sized wire. Deformation degree of gable angle was rarely influenced by spring configuration, and was shown very little in heat treated springs. Closed vertical double loop c helix(.016"x.016") has the range of somewhat optimal force for the canine retraction.
양광영,임경택,이동하,김택현,김인권 朝鮮大學校 機械技術硏究所 1999 機械技術硏究 Vol.2 No.1
The purpose of this work is to investigate fatigue damage of quasi-isotropic laminates under tensile loading in different directions. Low cycle fatigue tests of [O/-60/+60]s laminates and [+30/-30/90]s laminates were carried out. Materials systems used are AS4/Epoxy and AS4/PEEK. The fatigue damage of [+30/-30/90]s is very different from that of [O/-60/+60]s. The position of delamination generated at AS4/Epoxy and AS4/PEEK laminates were differentiated by the matrix difference that is, we suppose, the value of both G (critical energy release rate of mode-I) and G (critical energy release rate of mode-Ⅲ) difference. The experimental results are compared with the result obtained from the method of determining strain energy release rate components proposed by the authors.
Listening Comprehension 학습 지도방안
최광현 全北大學校 敎育大學院 1993 敎育論叢 Vol.13 No.-
Reviewing the trends of English education in Korea tells us that the area of listening and speaking skills is allotted a smaller part of time and is taught later than the reading or writing areas. In this respect I suggest a systematic teaching method of stress, intonation and rhythm because it is very directly connected to the improvement of Korean student's command of English. I propose 10 ordered steps for teaching beginning learners and 6 orderd steps for intermediate/advanced learners, which are especially worthy of listening comprehension. Including the use of British and American songs, the use of Jazz Chants and so forth, we must improve this teaching method continually in order for this area to be integrated into the whole English teaching program.
허광희,이규,윤현도 대한건축학회 2005 大韓建築學會論文集 : 構造系 Vol.21 No.2
This paper presents a new algorithm which is applicable in designing a smart damping system for vibration mitigation. The algorithm, which is extended into a unified system from Lyapunov stability theory, enables us to decrease the Quantization errors by its increased stability. The validity of this design method was proved in the numerical simulation on a control model of three-storied building structure. Smart damper was used for MR(magnetorheological fluid) damper in the numerical model, and its control effectiveness was evaluated. In order to make a more accurate control model numerical1y, we updated the model on the basis of the analysis of dynamic characteristics of structure and of the numerical analysis of a lumped mass model, and then adopted a state space model redefined by structural property matrix. Using this improved control model, control effect on structures which were under the influence of each different earthquake magnitude was analyzed with various performance index, and thus the algorithm presented here is proved to be valid.
병원간접원가의 예측수단으로서의 회귀식 모형과 인공신경망 모형에 대한 비교연구
양동현,박광훈,김선민 한국병원경영학회 1999 병원경영학회지 Vol.4 No.2
This research aims to compare between regression and neural network in terms of the predictive ability of the overhead costs in hospitals. For this purpose, this research uses the number of out-patients and complex medical treatments as explaining variables. Thirty-one hospitals were used for the empirical test. The test result shows that the regression model has a more predictive ability than the neural network.