• 제목/요약/키워드: Sleeve

검색결과 976건 처리시간 0.03초

폐암환자에서의 기관지성형술을 이용한 폐엽절제술 (Sleeve Lobectomy for Bronchogenic Carcinoma)

  • 전상훈
    • Journal of Chest Surgery
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    • 제22권5호
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    • pp.794-799
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    • 1989
  • Sleeve lobectomy for bronchogenic carcinoma is an alternative to pneumonectomy. The extent and location of the tumor must be such that a sleeve procedure is feasible. The conservation of lung tissue benefits both compromised and uncompromised patients. From August 1988 to March 1989, five patients underwent sleeve lobectomy for bronchogenic carcinoma of the lung. The patients included four males and one female ranging in age from 52 years to 66 years. All patients were diagnosed as having squamous cell carcinoma. Operative procedures were right upper sleeve lobectomy in four cases and left upper sleeve lobectomy with pulmonary angioplasty in one case. Complications developed in one patient. An asthmatic attack necessitated ventilator support for one day. Bronchoscopic examinations were performed at two weeks and three months postoperatively in four patients. Anastomosis sites on all patients were intact, but in one case, nodules were noted. Pulmonary function tests were also checked at three months postoperatively, and showed good results. The reimplanted lobe or lobes contribute significantly to the overall remaining lung function. All patients are being followed up with satisfactory results, except one case of suspected local tumor recurrence. We think, therefore, that sleeve lobectomy is a safe and adequate procedure for patients with resectable lung cancer.

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슬리브 다이폴 안테나의 안테나 인자 특성 (Characteristics of Antenna Factor for Open Sleeve Dipole Antennas)

  • 주창현;박은정;김기채
    • 한국전자파학회:학술대회논문집
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    • 한국전자파학회 2005년도 종합학술발표회 논문집 Vol.15 No.1
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    • pp.285-288
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    • 2005
  • This paper presents the characteristics of antenna factors for sleeve dipole antennas with a broad bandwidth. The coupled integral equations for the unknown current distributions on each elements are derived and solved by applying Galerkin's method of moments. The flatness of antenna factor is considered. with variation of the length and number of sleeve elements.

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로딩 코일을 이용한 광대역 슬리브 모노폴 안테나의 설계 (The Design of the Broadband Sleeve Monopole Antenna using loading Coil)

  • 강상원;최광제
    • 한국전자파학회:학술대회논문집
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    • 한국전자파학회 2001년도 종합학술발표회 논문집 Vol.11 No.1
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    • pp.106-110
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    • 2001
  • In this paper, a broadband sleeve monopole antenna using a loading coil in sleeve is proposed. The antenna of the proposed structure has the same of the single sleeve monopole antenna, except for using the coil instead of the inner conductor in sleeve. As a result, it is found that the bandwidth is 1.239~2.154 GHz(above 53.9%) for S$\sub$11/=-10dB(VSWR<2), and the antenna impedance is good for a communication system and feeder which the impedance has 50$\Omega$.

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PC말뚝 이음시공용 강관이음부의 적정규격 결정에 관한 연구

  • 임종석;한찬균
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 1992년도 봄 학술발표회 논문집 깊은 기초의 연구와 실무(RESEARCH AND PRACTICE OF DEEP FOUNDATIONS)
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    • pp.103-114
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    • 1992
  • The jointing method of PC pile installation, which utilizes steel sleeve, is most popular for the deep bearing stratum( deeper than 15m ) or the irregular bearing stratum depths. However, this method has some difficulties in safety because there is no optimum standards of steel sleeve. This research attempts to determine the optimum standard of steel sleeve for 350mm PC pile, which is most widely used, through bending moment test designated by KS and numerical analysis using finite element method. According to the results, the optimum length of steel sleeve is three times longer than diameter of pile, and the thickness of steel sleeve is more than 2.5mm.

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증기발생기 전열관 sleeve레이저 보수용접을 위한 자동 확관장치의 구성

  • 김민석;백성훈;정진만;박승규;김철중
    • 한국원자력학회:학술대회논문집
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    • 한국원자력학회 1997년도 춘계학술발표회논문집(2)
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    • pp.561-565
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    • 1997
  • 증기발생기 전열관 보수를 위하여 sleeve pipe를 삽입하여 레이저 용접을 하는 과정에서 전열관과 sleeve pipe 의 간격을 최소한으로 줄여 용접 품질을 높이고, 균등하게 하기 위하여 sleeve pipe에 대하여 확관이 수행된다. 확관은 sleeve pipe의 상단부와 하단부에 각각 수행되는데 정확한 확관규격을 유지하기 위하여 컴퓨터로 확관압력의 미분치를 비교분석하여 압력펌프를 제어하였다. 압력신호의 변화가 크고 안정되지 못하여 전후신호와 비교분석하여 안정화시킨 후 미분치를 추출하여 제어함으로써 전열관의 확관이 0.02mm 이내가 되도록 하여 전열관의 과도한 확관을 방지하였다.

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Xenon flashlamp와 광촉매를 이용한 타원형 반응기의 살균 특성에 관한 연구 (A Study on Sterilization Characteristics of Elliptical Reactor by Using Xenon Flashlamp and Photocatalyst)

  • 이동길;홍지태;최경화;차재호;김홍주;김희제
    • 전기학회논문지
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    • 제58권3호
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    • pp.559-565
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    • 2009
  • In this paper, we invented a new and unique technique for the sterilization of Escherichia coli(E. coli) in polluted water. We applied a rich ultra-violet(UV) light from pulsed xenon flashlamp and photocatalyst(TiO2) to sterilize E. coli in polluted water. This method based on the use of UV light and photocatalyst is eco-friendly and does not cause secondary pollution. The proposed elliptical reactor is able to concentrate on quartz sleeve coated TiO2 or general quartz sleeve. The primary objective of our research was to determine the important parameters such as pulse repetition rate and input voltage and to know on the sterilizing efficiency of quartz sleeve coated TiO2 and general quartz sleeve. We obtained to achieve 99.999% sterilization in as little as 6 pulses at 800V in case of quartz sleeve coated Ti02, and 10 pulses at 800V in case of general quartz sleeve for 5 minutes. Although transmitted light of quartz sleeve coated TiO2 is deceased, the sterilizing efficiency is increased by 40% than general quartz sleeve. The reason of high sterilizing efficiency is that generated hydroxyl radical(OH) by photocatalyst and is able to concentrate light at a focus by using elliptical reactor.

학령기 어린이의 상지동작에 관한 인간공학적 연구 (A Biotechnological Study on the Sleeve Form Variation according to Arm Movements for Elementary Schoolgirls)

  • 이숙녀
    • 한국의류학회지
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    • 제10권3호
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    • pp.17-25
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    • 1986
  • The objectives of this study are to investigate the variation of the sleeve form by changing arm movements and to study the relationship among the three aspects of sleeve (sleeve height, width and armhole girth) by changing arm movements. Plasrun gyps were used for this experimental research. The subjects of this study were elementary schoolgirls (9$\~$12 years old). Arm mevements were 4 types($0^{\circ},\;45^{\circ},\;90^{\circ},\;135^{\circ}$) to the vertical directions. The statistical methods used to analyze the data included mean, standard deviation, the Pearson's correlation coefficients and coefficients of determination. The results obtained from this study were as follows; 1. According to the arm movements, the sleeve form changed more in the front than in the back. 2. As the arm movements were increased vertically, the heights of sleeves and the girths of the armholes were decreased, and the widths of sleeves were increased. 3. Variation rates by changing arm movements were different according to the variation of arm movement, and were the highest in sleeve height. 4. There was a negative correlation between sleeve height and width, and a positive correlation between sleeve height and armhole girth.

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청소년기에서 발생한 슬개골 상단부 소매형 골절 (Sleeve Fracture of the Superior Pole of Patella in an Adolescent)

  • 유문집;유재성;류지원
    • Journal of Trauma and Injury
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    • 제26권3호
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    • pp.218-221
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    • 2013
  • A patella sleeve fracture is a type of avulsion fracture in which a small osseous fragment gets, along with a sleeve of periosteum and cartilage, is pulled off from the patella. The avulsed sleeve of cartilage and periosteum is not apparent on plain radiographs, which can result in a missed diagnosis or an underestimate of the extent of injury. An avulsion or sleeve fracture of the patella in a child can occur at the superior or the inferior pole of the patella. However, most reported cases of sleeve fractures involve the inferior patellar pole, with fractures involving the superior patellar pole being very rare. The authors report a case of a sleeve fracture of the superior pole of the patella in an adolescent; the fracture was diagnosed with magnetic resonance imaging (MRI) and was treated with surgery after early diagnosis. The course was uneventful, and the outcome was excellent.

역스월 유로 입력을 가지는 밸런스 슬리브를 적용한 고압 다단 펌프의 진동 특성 (Vibration Characteristics of High Pressure Multi-Stage Pump with Anti-Swirl Injection Balance Sleeve)

  • 곽현덕;이용복;김창호;이봉주
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2002년도 춘계학술대회논문집
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    • pp.214-219
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    • 2002
  • As the tangential flow inside the clearance of tribe elements such as bearings and seals is increased as the shaft speed increases, the system stability will be decreased due to the increment of the instability parameter. To reduce the tangential flow inside the clearance of the balance sleeve, anti-swirl injection mechanism is applied. The balance sleeve is used in resisting the axial force induced by impeller in high pressure multi-stage pump. In this paper, total three cases are experimentally investigated; original balance steeve, anti-swirl injection balance steeve with 0 axial degree and anti-swirl injection balance sleeve with 30 axial degree. Experiments are focused in the comparison of vibration level and leakage flow rate. The results clearly shows that the anti-swirl injection balance sleeve with 0 axial degree improves the vibration characteristics. However, the anti-swirl injection balance sleeve with 30 degree aggravates the vibration characteristics. In the standpoint of leakage performance, both anti-swirl injection balance sleeves show the better result than the original balance sleeve.

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블라우스의 소매 디자인에 따른 마커 효율에 관한 연구 (Analysis of Marker Efficiency According to Blouse Sleeve Design)

  • 박우미
    • 대한가정학회지
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    • 제48권2호
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    • pp.85-94
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    • 2010
  • Comparative analysis of marker efficiency in blouse patterns, based on different sleeve designs, was carried out. Sleeve designs used included set-in-sleeve, laglan sleeve, and epaulet sleeve. The two types of epaulet sleeves, A and B, are based on pattern arrangement methods of center back. Cloth and production conditions are the width of cloth, the number of marking pieces, and the direction for marking deployment. A blouse pattern saved to the PAD CAD System was graded with different sizes and arranged for industrial purpose to calculate the marker efficiency in different conditions. The results were as follows. On the whole, the marker efficiency of small pattern sized set-insleeve was higher than laglan and epaulet sleeve designs. It was also established that marker efficiency is dependent on cloth and production conditions. For small number of marking pieces, efficiency was higher in the condition of 110cm cloth widths compared with that condition of 150cm cloth widths. However the efficiency of large number of marking pieces was higher in the condition of 150cm cloth widths.