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This study was carried out to analyze the vegetational structure of the express highway. Seven sites in roadside slopes of the Kyungboo express highway (the section Pankyo-Shingal) were selected and quadrats of three sizes, 25㎡, 5㎡, 1㎡, were set up for trees, blush, herbs, respectively. The results obtained are as follows; 1) For trees, R. pseudo-acacia showed the most high value, 45%, 39%, respectively in relative density and relative cover. Relative frequency was most high(31%) in P. rigida. Among invading species, Quercus spp. showed the most high value. For blush, Puerarica thunbergiana and Lespedeza bicolor showed very high value in R.D., R.F., and R.C. Arundinella was most high in R.D., R.F., and Miscanthus sinensis in R.C. for herbs. 2) In importance value, R. pseudo-acacia showed very high value over all polt. R. pseudo-acacia also showed markedly high value in phoytograph index, making the highest layer. 3) Species diversity was most high in Plot 2, the community of R. pseudo-acacia - Alnus hirsuta. Plot 1, the community of Quercus spp. - Alnus hirsuta, was most high in evenness. And dominance value was most high in Plot 5, the community of R. pseudo-acacia, showing the most low species diversity.
This report discusses a pregnancy case following a series of two consecutive magnetic resonance imaging-guided focused ultrasound surgery (MRgFUS) procedures for the treatment of two different myomas in an individual patient. Both procedures were completed without adverse events, and the patient conceived naturally four months after treatment. At 39 weeks, she gave birth to a healthy baby girl, via a vaginal delivery. There were no complications in the pregnancy or during labor.
Acute invasive small bowel anisakiasis is an extremely rare cause of small bowel obstruction. The authors report a case of surgically verified small bowel anisakiasis resulting in small bowel obstruction. A 54-year-old man presented with suddenly developed diffuse abdominal pain after ingestion of raw fish. The peripheral blood examination showed leukocytosis without eosinophilia. CT showed a long segment of thickened small bowel accompanied by a focal narrowed portion and combined with ascites. When these findings are noted in patients with a history of recent ingestion of raw or undercooked fish, the diagnosis of small bowel anisakiasis should be considered in order to avoid application of unnecessary surgical treatment, in spite of the severity of the abdominal pain and bowel obstruction.
본 논문에서는 수리 방법과 결함크기가 복합재 구조물의 강도에 미치는 영향을 시험으로 연구하였다. 복합재 패치와 접착제의 종류, 결함크기를 달리하여 총 6종류, 30개의 시편에 대해 인장 시험을 수행하였다. 시험 결과, 복합재 패치로 수리된 시편의 파손하중은 건전한 적층판 대비 약 20% 정도 감소하였고 접착제 종류에 따른 영향은 크지 않았다. 유리직물을 사용하여 습식적층방식으로 수리한 경우의 파손하중은 결함이 없는 적층판의 파손하중보다 약 60% 감소하였다. 결함크기에 따른 파손하중의 차이는 발견되지 않았는데, 이것은 수리된 시편이 파손이 주로 결함 바깥 영역에서 인장파손의 형태로 발생하기 때문으로 판단된다. The effect of repairing method and defect size on tensile strength of composite structure was studied. A total of 30 specimens in 6 different types were tested with different composite patches, adhesive types and defect sizes. The results showed that the failure loads of composite patch-repaired specimens decreased approximately 20% compared to that of sound laminate. The effect of adhesive type was not remarkable. Decrease of the failure loads of the specimens repaired by glass fabric wet lay-up process is more serious in around 60%. The effect of defect sizes was negligible because critical failure occurred in the region outside the damage zone in tensile rupture mode.
Purpose : The objective of augmentation mammoplasty includes reconstruction and cosmesis after breast surgery.lncreasing frequency of the procedure has been related with increased complications. Authors evaluated the valueof breast MRI in the diagnosis of complications after augmentation mammoplasty. Materials and Methods : Authorsstudied 42 breasts of 24 patients, who had undertaken augmentation mammoplasty. We evaluated findings ofmammography, ultrasonography, and breast MRI in all patients. We used variable MRI sequences for better evaluationof implant status. The results were compared with the findings in surgical field. Results : In all imagingstudies, nodule or mass was indentifiable in the cases of interstitial paraffine injection(8 breasts),interstitial silicon injection(7 breasts), and herb medication(2 breasts). However, the differentitation betweenmalignant and benign nodule was only possible at dynamic breast MRI. Mammogram was not helpful in the evaluationof extracapsular rupture in the cases of silastic bag insertion. In sonogram, identification of echogenic materialwas possible, although, false negative and false positive rate were high. MRI was able to visualize contour ofentire implant and it was able to easily recognize low signal internal structure. Conclusion : MRI was the mostaccurate diagnostic tool in the evaluation of the character of the palpable mass after augmentation mammoplastyand early detection of breast implant rupture.