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악관절 융기 증강술을 통한 습관성 악관절 탈구환자의 치험례
김일규,신주호,오성섭,최진호,김형돈,오남식,김의성 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.2
Recurrent mandibular dislocation is frequent morbidity of temporomandibular joint relatively. There are many etiologic causes in TMJ disorders but, difficult to find obvious one. Various treatment methods have been utilized for a mandibular dislocation. It is categorized into two groups broadly - nonsurgical or surgical methods. The basic rationale of the surgical method is to allow free movement of the condyle by reducing height of articular eminence or to limit anterior excessive movement of the condyle by increasing height of articular eminence or soft tissue anchoring procedure. In this case, 69 year-old woman was treated by augmentation of the articular eminence with mandibular symphysial bone graft leading to osteosynthesis without difficulty. As a result, favorable postoperative outcome was obtained functionally without any complication or recurrence.
구강악안면 영역의 치성 감염 환자에 대한 세균학적 연구
김일규,윤승환,오성섭,최진호,오남식,김의성,이성호,배수환,강문수 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.4
Oral & maxillofacial infections are most commonly odontogenic in origin. Although such infections are usually self-limiting, they may occasionally spread deeply into fascial spaces or planes far from the initial site of involvement. If early diagnosis and appropriate therapy is delayed, complications such as mediastinal extension, retropharyngeal spread and airway obstruction could happen to the patients. For the study of the microbiology, we have retrospectively analysed the oral & maxillofacial infected patients in the Dept. of Oral & Maxillofacial Surgery, In-Ha University Hospital from 1997 September to 2000 April. The results were as follows 1.The male patients were more common than female, with male 61.9% and female 38.1%. 2.Dental originated infections were most common cause with the incidence of 62%. 3.Most common fascial space involved was buccal space 42cases(37.2%) followed by submandibular space 13cases(11.5%), infraorbital space 13cases(11.5%), masseteric space 11cases(9.7%) , periapical abscess 11cases(9.7%) . 4.The causative organisms isolated from the pus culture were Gram Positive Bacterial species, which were 46cases(31.9%) of Streptococcus viridans, 16cases(8.6%) of α and β-hemolytic streptococcus, 4cases(3.1%) of Strep.-group D non enterococci, 7cases(5.1%) of Staphylococcus Coa. Neg., 5cases(3.9%) of Staphylococcus aureus, 3cases(2.3%) of Enterococcus faecalis, 1case(0.8%) of Bacillus species, 1case(0.8%) of Peptostreptococcus, 1case(0.8%) of Clostridium and Gram negative bacterial species, which were 4cases(3.1%) of Acinetobacter baumannii, 2cases(1.6%) of Pseudomonas aeruginosa, 2cases(1.6%) of Burkholderia cepacia, 1case(0.8%) of Neisseria species, 1case(0.8%) of Klebsiella pneumoniae, 1case(0.8%) of Klebsiella oxytoca, 1case(0.8%) of Escherichia coli. 5.In drug sensitivity test, high resistant tendency was found in Penicillin system(Penicillin G 83.3%, Ampicillin 60%) and Aminoglycosides (Gentamycin 50%, Tobramycin 45.5%), but tertiary Cephalosporin system(Cefoperazone 9.1%, Ceftazidime 18.2%), and glycopeptides system (Teicoplanin 0% , Vancomycin 0%) showed lower resistancy.
Vision System을 이용한 PCB 검사 매칭 알고리즘
안응섭,장일용,이재강,김일환 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.B
According as the patterns of PCB (Printed Circuit Board) became denser and complicated, quality and accuracy of PCB influence the performance of final product. It's attempted to obtain trust of 100% about all of parts. Because human inspection in mass-production manufacturing facilities are both time-consuming and very expensive, the automation of visual inspection has been attempted for many years. Thus, automatic visual inspection of PCB is required. In this paper, we used an algorithm which compares the reference PCB patterns and the input PCB patterns are separated an object and a scene by filtering and edge detection. And than compare two image using pattern matching algorithm. We suggest an defect inspection algorithm in PCB pattern, to be satisfied low cost, high speed, high performance and flexibility on the basis of 640×480 binary pattern.
Four-circle Diffractometer를 이용한 결정방위행렬과 단위포상수 결정
서일환,이진호,심해섭,이정수,성백석,이창희,김문집 순천향대학교 기초과학연구소 1999 순천향자연과학연구 논문집 Vol.5 No.2
A theoretical process to determine the unit cell parameters a, b, c, , β, γ of single crystals and then to collect intensities of ?? using four-circle diffractometer has been shown.
조용원,안응섭,이재강,김일환 江原大學校 産業技術硏究所 2002 産業技術硏究 Vol.22 No.A
Counters for various kinds of bank notes require high-speed distinctive point extraction and recognition for notes. In this paper we propose a new point extraction and data extraction method from specific parts of a bank note representing the same color. The recognition algorithm uses a back-propagation neural network that has coordinate data input. The proposed algorithm is designed to minimize recognition time.
光波長이 오이(Cucumis sativus L.) 플러그苗의 生長에 미치는 影響
용영록,전지영,황세진,김일섭,정천순 강릉대학교 동해안지역연구소 2000 東海岸硏究 Vol.11 No.1
This research was carried to find out the optimum artificial light condition for plug seedling production of high quality cucumber through investigating growth response of the seedling by both light wave length and treatment period. The treatment with blue and red fluorescent lamp increased the fresh weight involving hypocotyl and root and controlled the elongation of hypocotyl, compared with other treatments. The 30-day-old seedling treatment with blue and red light for 12 hours showed that vegetative growth including root, stem and leaves was better than that of seedling treated with other lamps. Seedling under blue and red light for 12 hours grew 60.0mm and 0.55g in length and weight of hypocotyl. respectively, Hypocotyl length and weight were 44.9mm and 0.62g when seedling was grown under above light condition for 6 hours. Total chlorophyll contents of hypocotyl were highest in the light mixing treatment, and this accelerated greening. Morphological characteristics by investigating cross and longitudinal section of 30-day-old cucumber seedling treated with the mixing fluorescent lamps indicated that epidrmis tissues were usually single layer and thicker, resulting in small, compact and non-intercellular spaces of cells. On the other hand, epidermis tissues of the control composed of large, longer and round cells and cortex tissues showed large intercellular spaces between cells. Longitudinal section of photo-treated hypocotyl showed that there were more shorter cells and non-intercellular spaces of cells than untreated tissues. As a result, blue and red light mixing treatment controled the cell elongation of seedling hypocotyl, resulting in shortening hypocotyl of cucumber seedling.
Park, Jong Il,Han, sang seop,Jeong, Tae Cheon,Roh, Jung Koo,Kim, Hyoung Chin,Kim, Jeong Hwan,Jeon, Yeong Joong,Kim, Dal Hyun,Kim,Je Hak,Park, Kwan Ha 한국응용약물학회 1997 Biomolecules & Therapeutics(구 응용약물학회지) Vol.5 No.1
The antigenic potential of CFA-001, cefazolin, a cephalosporin derivative produced by an enzymatic semisynthesis, was determined in Hartley guinea pigs. A battery of tests employed consisted of active systemic anaphylaxis (ASA), passive cutaneous anaphylaxis (PCA), and indirect hemagglutination test (IHA). The results were as follows: 1) In ASA, no signs attributable to anaphylaxis was observed in guinea pigs sensitized with CFA-001, whereas OVA-sensitized animals induced severe anaphylactic symptoms; 2) guinea pigs did not produce antibodies against CFA-001 when sensitized with or without Freund's complete adjuvant (FCA) in homologous PCA tests. Meanwhile, antibodies against ovalbumin (OVA) were clearly detected; 3) No CFA-001-specific hemagglutination was observed in the IHA using sera obtained from CFA-001-sensitized guinea pigs. These results suggest that CFA-001 has no antigenicity potential in guinea pigs.