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하악과두 골절 치료에 있어 보존적 치료와 외과적 치료의 비교
박인순,이철우,여환호,이효빈,김영균,변웅래 大韓顎顔面成形再建外科學會 1994 Maxillofacial Plastic Reconstructive Surgery Vol.16 No.1
The authors investigated the 17 patients with the condylar fractures of the mandible who were admitted in Dept. of Oral and Maxillofacial Surgery, Chosun University, Dental hospital from 1990 to 1993 and could be taken follow-up above 6 months. Helkimo's clinical dysfunction index and mandibular mobility index were applied to the evaluation of the patients and the obtained results were as follows. 1. Mean maximal mouth opening was 38.4mm in the conservative group, 41.3mm in the surgical group and that showed no statistically significant difference.(P>0.05) 2. Clinical dysfunction index was higher in the surgical group than in the conservative group but .that showed no statistically difference.(P>0.05) 3. The extent of maximal mouth opening was increased gradually throughout the follow-up period. 4. Both groups didn't show severe clinically dysfunction.
조설,박래웅 대불대학교 2003 論文集 Vol.9 No.1
This paper presents a nonlinear adaptive control law methodology for a high angle of attack aircraft, in particular, a modified F-18 aircraft. The nonlinear adaptive controller presented in this paper is based on bilinear prediction model, and is constructed to minimize the difference of Lyapunov function with respect to the control inputs at each step. The physical constraints of inputs such as the limit of range and rate of change are considered importantly. In the paper, the reference trajectory is proposed as an intermediate step that allows the system to follows the command trajectory while meeting a variety of design requirements. This paper shows that nonlinear adaptive control can be utilized effectively to control high performance aircraft such as the F-18 aircraft for rapid maneuvers with large changes in angle of attack.
Enrofloxacin과 colistin의 복합제(Enroco)의 아급성 독성시험
윤효인,김민규,박승춘,장범수,이내경,최양웅 충남대학교 수의과대학 동물의과학연구소 1997 動物醫科學硏究誌 Vol.5 No.-
The study was carried out to evaluate toxicity of enrofloxacin and colistin complex (Enroco) with a dose of 10 ㎎/㎏/day, 20 ㎎/㎏/day and 40 ㎎/㎏/day via oral administration for 3 weeks in ICR mice. All procedures of the test were performed by the established regulation of Korean National Institute of Safety Research (1994. 4. 14). Appearance, behavior, mortality and food consumption of treated groups were not affected during the experimental periods. No significant does-related changes of the combined antibacterials were found in urinalysis, eye examination, hematology, serum chemistry, and organ weight. No histopathological lesions were observed in both control and treatment groups. Our results strongly suggested that no toxic changes were found in mice treated orally with enrofloxacin-colistin complex for 3 weeks.
구강악안면 영역에서 Tutoplast Dura의 임상적 적용
지재휴,김영균,여환호,박인순,변웅래 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.1
Human Dura mater treated by various processes was used to restore small periodontal defects, large bony defects for improvement of new bone formation, and soft tissue defects and replace the disc of TMJ, etc.. Tutoplast Dura is the solvent-preserved Human Dura mater and sterilized by gamma radiation. In our department, Tutoplast Dura was implanted in 32 patients, from 1994, 6 to 1995, 7. We implanted the Tutoplast Dura at 11 various cysts, 6 implantations, 4 fractures, 3 clefts, 2 TMJ disease, 2 maxillary sinusitis, etc.. We performed the retrospective study about the purpose of Tutoplast Dura implantation, postoperative complication and histologic examination of biopsy specimen at implant second surgery.
Park, Sang-Je,Kim, Young-Hyun,Lee, Sang-Rae,Choe, Se-Hee,Kim, Myung-Jin,Kim, Sun-Uk,Kim, Ji-Su,Sim, Bo-Woong,Song, Bong-Seok,Jeong, Kang-Jin,Jin, Yeung-Bae,Lee, Youngjeon,Park, Young-Ho,Park, Young Il Korean Society for Molecular and Cellular Biology 2015 Molecules and cells Vol.38 No.11
BCS1L gene encodes mitochondrial protein and is a member of conserved AAA protein family. This gene is involved in the incorporation of Rieske FeS and Qcr10p into complex III of respiratory chain. In our previous study, AluYRa2-derived alternative transcript in rhesus monkey genome was identified. However, this transcript has not been reported in human genome. In present study, we conducted evolutionary analysis of AluYRa2-exonized transcript with various primate genomic DNAs and cDNAs from humans, rhesus monkeys, and crabeating monkeys. Remarkably, our results show that AluYRa2 element has only been integrated into genomes of Macaca species. This Macaca lineage-specific integration of AluYRa2 element led to exonization event in the first intron region of BCS1L gene by producing a conserved 3' splice site. Intriguingly, in rhesus and crabeating monkeys, more diverse transcript variants by alternative splicing (AS) events, including exon skipping and different 5' splice sites from humans, were identified. Alignment of amino acid sequences revealed that AluYRa2-exonized transcript has short N-terminal peptides. Therefore, AS events play a major role in the generation of various transcripts and proteins during primate evolution. In particular, lineage-specific integration of Alu elements and species-specific Alu-derived exonization events could be important sources of gene diversification in primates.
Hae Woong Park,Hyeong Hwan Kim,Myoung Rae Cho,Taek Jun Kang,Sung Jun Ahn,Sung Wook Jeon,Anwar L. Bilgrami 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.05
Rhabditis blumi, isolated from Exomala orientalis, is a necromenic type of nematode that possesses several attributes of a potential biological control agent such as ease in culture conditions, high rates of reproduction and virulence, short life cycle and rapid multiplication etc. Pathogenicity of R. blumi was tested against 5 coleopteran species and 5 lepidopteran species. All insect larvae were susceptible to R. blumi, showing over 60% mortality except for Holotrichia kiotoensis and Ectinohoplia rufipes. The highest mortality was observed in Plutella xylostella (88%), followed by Artogeia rapae, Exomala orientalis, Spodoptera litura and Anomala rufocuprea (over 70%). Reproductive capacity of R. blumi differed from each insect species, ranging from 17 to 656 dauer juveniles/mg of insect larva. Dauer juvenile production was most in Plutella xylostella larvae, producing 656 dauer juveniles/mg of host body weight, followed by E. orientalis, H. kiotoensis, and A. rapae larvae (over 100 dauer juvenile per mg).
노웅래(Woong-Rae Roh),조상범(Sang-Bum Cho),고정환(Jeong-Hwan Ko),선병찬(Byung-Chan Sun),김정용(Jeong-Yong Kim),박정주(Jeong-Joo Park),조광래(Gwang-Rae Cho) 한국항공우주학회 2010 韓國航空宇宙學會誌 Vol.38 No.3
본 논문에서는 나로호 발사체의 1차 비행시험에서 얻은 데이터를 바탕으로 발사체의 비행시험에서의 궤적 및 성능, 자세 제어에 대한 분석을 수행하였다. 나로호의 1차 비행시험에서는 페어링의 비정상 분리 문제가 발생하였으며, 이에 따라 위성의 궤도 투입이 실패하였다. 본 논문에서는 이러한 페어링 비정상 문제를 고려하여, 궤적 및 비행 성능, 자세제어 특성을 분석하였다. 또한 관성항법유도시스템의 비행 결과 및 성능 분석도 제시되었다. 비행후 분석 결과 페어링 분리 문제 이외에 다른 문제는 발생하지 않았으며, 다른 탑재 시스템들이 정상적으로 작동하였다. This paper presents the analysis results of trajectory, performance and attitude control based on the first flight data of the KSLV-I. The KSLV-I had a fairing separation problem and failed to inject spacecraft into the orbit. In this paper, the trajectory, flight performance, and attitude control was analyzed considering the influence of unseparated fairing. Moreover, the flight results and performance of the inertial navigation and guidance system were presented. As a results of post-flight analysis, any other problem besides the fairing separation problem was not happened and onboard equipment functioned normally.