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Layer-by-Layer Doping of Few-Layer Graphene Film
Gü,neş,, Fethullah,Shin, Hyeon-Jin,Biswas, Chandan,Han, Gang Hee,Kim, Eun Sung,Chae, Seung Jin,Choi, Jae-Young,Lee, Young Hee American Chemical Society 2010 ACS NANO Vol.4 No.8
<P>We propose a new method of layer-by-layer (LbL) doping of thin graphene films. Large area monolayer graphene was synthesized on Cu foil by using the chemical vapor deposition method. Each layer was transferred on a polyethylene terephthalate substrate followed by a salt-solution casting, where the whole process was repeated several times to get LbL-doped thin layers. With this method, sheet resistance was significantly decreased up to ∼80% with little sacrifice in transmittance. Unlike samples fabricated by topmost layer doping, our sample shows better environmental stability due to the presence of dominant neutral Au atoms on the surface which was confirmed by angle-resolved X-ray photoelectron spectroscopy. The sheet resistance of the LbL-doped four-layer graphene (11 × 11 cm<SUP>2</SUP>) was 54 Ω/sq at 85% transmittance, which meets the technical target for industrial applications.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2010/ancac3.2010.4.issue-8/nn1008808/production/images/medium/nn-2010-008808_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn1008808'>ACS Electronic Supporting Info</A></P>
서순림,이은남,박송자,양영희,이동숙,최은옥,구미옥,김인자,이인숙,김성재,박영임,이은옥 서울대학교 간호대학 간호과학연구소 1997 간호학 논문집 Vol.11 No.1
Today human needs for health promotion and maintenance are increasing. The nursing progression has a great responsibility for helping clients to practice good health behavior. self efficacy was found to be potent predictor in initiating and maintaining the health-related behavior. Therefore, the concept is important in nursig intervention for change of health behavior. The purpose of this paper was to analyze and clarify the meaning of the concept, self efficacy. This study used Walder & Avant's process of concept analysis. Critical attributes of self efficacy were : 1) positive perception of his won capability; 2) intrapersonal strength; 3) possibility of being learned; 4) individuality; 5) specificity; 6) generalizability. Antecedents of self efficacy consist of those facts that 1) new situation occurs; 2) individuals have needs to change the new situation; 3) there are some required actions in new situation. Consequences occurring as a result of self efficacy consist of those facts that 1) individual initiates the of failure; 5) cope with the situation; 6) controls the situation; 7) the level of self efficacy is enhanced; 8) the level of self-esteem is enhanced.
횡문근융해증과 경한 신손상을 동반한 급성 A형 간염 1예
조규민,김창욱,성현진,허준,전부석,이종환,심은희,이석종,이창돈 영남대학교 의과대학 2012 Yeungnam University Journal of Medicine Vol.29 No.1
A 48-year-old male visited the emergency room of the authors’ hospital due to nausea, vomiting, and myalgia for four days. Acute hepatitis A was identified from the serologic marker of the hepatitis A virus. Mild elevation of the serum creatinine and creatinine phosphokinase(CPK) suggested rhabomyolysis, which was confirmed with the serum aldolase, myoglobin, and urine myoglobin. With supportive care, both the liver and renal func- tions were recovered gradually and fully. This case shows that rhabdomyolysis can be one of the mechanisms of renal complication in cases of acute symptomatic hepatitis A.
구자균,이은석 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(계획계)
Recently, economical withering and environmental pollutions are appearing in the mine area in Taeba다 뭉 jungsun because over 300 coal mines have been closed. We have to consider the coal mine industries as cultural things and improve them through preservation, proper development, recovery of nature and giving them new functions. Therefore, in this study, I suggest the new coal museum, which is connected to existing coal mine industries architecturally, and make the active space, which is able to solve the problems above. In addition, through harmony of things to preserve, recording of history, education about underground resources and connecting to tourist resort such as casino, the museum take an important role as a cultural space and we can expect new functions and values of closed mine area, which is causing environmental and civil problems.
동심원관 제트유동장내에서 초음파에 의한 난류증진에 관한 연구
구자훈,박영호,이상범,주은선 경상대학교 생산기술연구소 2000 生産技術硏究所論文集 Vol.16 No.-
A study on the turbulence enhancement by ultrasonic vibration was dealt with an experiment on flow characteristics with ultrasonic forcing in a jet field of coaxialcircular pipe. A large transparent acryl tank and a coaxial circular pipe nozzle were made for the above research. Experimental data have been obtained using PIV. City water of 25℃ was selected as an experimental liquid and the front flow field of the coaxial circular pipe was divided horizontally as 3 measuring regions to observe characteristics of flow phenomena. Characteristics of fluid flow such as velocity vector distribution, kinetic energy, turbulent intensity and etc. were visualized, observed, examined and considered at 3 kinds of Re No. such as Re=2×10³, 3×10³ and 5×10³. In result, it was proved that ultrasonic vibration affected the enhancement of turbulent flow.
吳恩英,朴惠宣,池鮮渶,具德謨 동의대학교 한의학연구소 2001 동의ㆍ경산 한의학 학술대회 Vol.5 No.-
A Reports were done on proriasis which were treated by medications of Sasang Constitution and Constitution-Acupunture in Dept. surgery, opthalmology &tolaryngology, college of Oriental Medicine, Kyungsan University, Pohang, Korea, from May 30. 2000 to JUN 30 2001. we gave score and checked involvement, plaque, erythematous popules, invasiveness according to psoriasis area and severity index. The results were as follows: 1. Sasang Constitution classification was Soyanggin 14(93.33%), Taeumgin 1(6.67%) in the 15 cases. Hyungbangsabaeksan is used in 9 cases(60%), Yanggeuksanhoatang is used in 3 cases(13.11%), Geopungchunggisan is used in 3 cases(20%), Hyungbangdojucksan is used in 1 case(6.57%). 2. In the 9 cases, we checked for over 4 weeks, clinical severity of involvement, plaque, total score(psoriasis area and severity index) was siginificantly decreased(p<05). clinical severity of erythematous popules, itching was decreased but lt is not siginificant(p>05). 3. The mean duration of treatmemt was 73.3 days, result of Excellent or Good improvement was showed on over 120 days. These resilts indicate that Sasang Constitution and Constitution-Acupuntuer treatment is effetive on psoriasis and the more study is needed.
林錫鳩,張殷永,金元厚 한국항공대학교 1991 論文集 Vol.29 No.-
TDX-10 및 EWSD 기종의 과부하 제어방식을 검토한 후 프로세서 점유율 측면에서 성능이 향상된 제어방식을 3가지로 분류하여 제안하며, 각각을 가정된 모델에 따라 시뮬레이션을 수행하여 성능평가를 행하였다. 그 결과 TDX-10L방식을 제외한 제안한 방식은 과부하 상태에서도 시스템 설계용량인 90%의 프로세서 점유율로 유지함을 확인하였다. The performance analysis of proposed three overload control methods is conducted to present the more optimal than methods using in conventional TDX-10 and EWSD by simulation with the assumed model. From simulation result, the two methods except TDX-10L are satisfied with 90% of the designed processor engineered capacity.
고립성 폐 결절로 나타난 경화성 혈관종의 폐엽 절제술에 의한 치험 1예 : A case report
황은구,이송암,황재준,김상윤,권혁중,김요한 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.13 No.-
Patient was sixty-eight years old female. She was transferred to our department to resect the solitary pulmonary nodule on right lower lobe. Intraoperative frozen-section revealed bronchioloalveolar carcinoma. So, we performed right lower lobectomy and mediastinal lymph node dissection. Permanent pathologic diagnosis of this patient was sclerosing hemangioma. We report experience of treatment of sclerosing hemagioma presenting solitary pulmonary nodule by lobectomy with the review of literatures.
여은구,조선형,이용신 한국공작기계학회 2002 한국생산제조학회지 Vol.11 No.4
Formability in deep drawing process depends not only on a drawability of workpiece material but also on process conditions such as die punch corner radius, lubricant conditions, punch-die clearance etc. For instance, bending resistance should be reduced by increasing die round appropriately, drawing load should be minimized by improving the lubricant condition between die and material, and blanking load should be increased by selecting a pertinent punch round and by augmenting the friction resistance in punch. In this study, a multi-stage deep drawing process is analyzed using ABAQUS. The effects of formability factors, such as die shoulder radius, punch-die clearance and coefficient, are investigated, and the results are also discussed in detail.