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51.

Research on transmission paths of a coupled beam-cylindrical shell system by power flow analysis

Feng. G.P., Zhang. Z.Y., Chen. Y., Hua. H.X. 대한기계학회 Journal of mechanical science and technology 11 Pages

대한기계학회 Journal of mechanical science and technology 2009, Vol.23 No.8 2138-2148 (11 pages)

Feng. G.P., Zhang. Z.Y., Chen. Y., Hua. H.X. 저

이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
- 무료
52.

Assessment of CT numbers in limited and medium field-of-view scans taken using Accuitomo 170 and Veraviewepocs 3De cone-beam computed tomography scanners

Oliveira. Matheus L., Tosoni. Guilherme M., Lindsey. David H., Mendoza. Kristopher, Tetradis. Sotirios, Mallya. Sanjay M. 대한구강악안면방사선학회 Imaging science in dentistry 7 Pages

대한구강악안면방사선학회 Imaging science in dentistry 2014, Vol.44 No.4 279-285 (7 pages)

Oliveira. Matheus L., Tosoni. Guilherme M., Lindsey. David H., Mendoza. Kristopher, Tetradis. Sotirios, Mallya. Sanjay M. 저

이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
- 무료
53.

Preparation of photoresist-derived carbon micropatterns by proton ion beam lithography and pyrolysis

Hui-Gyun Nam, Jin-Mook Jung, In-Tae Hwang, Junhwa Shin, Chang-Hee Jung, Jae-Hak Choi 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 8 55-61 (7 pages)

Hui-Gyun Nam, Jin-Mook Jung, In-Tae Hwang, Junhwa Shin, Chang-Hee Jung, Jae-Hak Choi 저
...
- 3,000원
Carbon micropatterns (CMs) were fabricated from a negative-type SU-8 photoresist by proton ion beam lithography and pyrolysis. Well-defined negative-type SU-8 micropatterns were formed by proton ion beam lithography at the optimized fluence of 1×1015 ions cm?2 and then pyrolyzed to form CMs. The crosslinked network structures formed by proton irradiation were converted to pseudo-graphitic structures by pyrolysis. The fabricated CMs showed a good electrical conductivity of 1.58×102 S cm?1 and a...
54.

Cellulose-based carbon fibers prepared using electron-beam stabilization

Min Il Kim, Mi-Seon Park, Young-Seak Lee 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2016, Vol.18 9 56-61 (6 pages)

Min Il Kim, Mi-Seon Park, Young-Seak Lee 저
...
- 3,000원
Cellulose fibers were stabilized by treatment with an electron-beam (E-beam). The properties of the stabilized fibers were analyzed by scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and thermogravimetric analysis. The E-beam-stabilized cellulose fibers were carbonized in N₂ gas at 800°C for 1 h, and their carbonization yields were measured. The structure of the cellulose fibers was determined to have changed to hemicellulose and...
55.

Influence of oxidative atmosphere of the electron beam irradiation on cyclization of PAN-based fibers

Hye Kyoung Shin, Mira Park, Hak-Yong Kim, Soo-Jin Park 한국탄소학회 Carbon Letters 3 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.3 10 219-221 (3 pages)

Hye Kyoung Shin, Mira Park, Hak-Yong Kim, Soo-Jin Park 저
...
- 1,500원
In order to study the impact of atmosphere during electron beam irradiation (EBI) of polyacrylonitrile (PAN) precursor fibers, the latter were stabilized by EBI in both air and oxygen atmospheres. Gel-fraction determination indicated that EBI-stabilization under an oxygen atmosphere leads to an enhanced cyclization in the PAN fibers. In the Fourier-transform infrared spectroscopy analysis, the PAN fibers stabilized by EBI under an oxygen atmosphere exhibited a greater decrease in the peak...
56.

Stabilization of pitch-based carbon fibers accompanying electron beam irradiation and their mechanical properties

Mi-Seon Park, Yoonyoung Ko, Min-Jung Jung, Young-Seak Lee 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.2 8 121-126 (6 pages)

Mi-Seon Park, Yoonyoung Ko, Min-Jung Jung, Young-Seak Lee 저
...
- 3,000원
Carbon fibers are prepared by stabilizing pitch fibers accompanying electron beam (E-beam) irradiation. The carbon fibers pretreated by E-beam irradiation achieve a higher stabilization index than the carbon fibers that are only heat-stabilized. In addition, the carbon fibers subjected to E-beam irradiation in the stabilization step exhibit a comparable tensile strength to that of general purpose carbon fibers. The carbon fibers pretreated with an absorbed dose of 3000 kGy have a tensile...
57.

Preparation of pitch from pyrolized fuel oil by electron beam radiation and its melt-electrospinning property

Jin-Young Jung, oung-Seak Lee 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.2 10 129-135 (7 pages)

Jin-Young Jung, oung-Seak Lee 저
...
- 3,000원
Spinnable pitch for melt-electrospinning was obtained from pyrolized fuel oil by electron beam (E-beam) radiation treatment. The modified pitch was characterized by measuring its elemental composition, softening point, viscosity, molecular weight, and spinnability. The softening point and viscosity properties of the modified pitch were influenced by reforming types (heat or E-beam radiation treatment) and the use of a catalyst. The softening point and molecular weight were increased in...
58.

X-ray Photoelectron Spectroscopic Analysis of Modified MWCNT and Dynamic Mechanical Properties of E-beam Cured Epoxy Resins with the MWCNT

Young-Seak Lee, Ji Sun Im, Seok-Min Yun, Young Chang Nho, Phil H 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2009, Vol.10 No.4 4 314-319 (6 pages)

Young-Seak Lee, Ji Sun Im, Seok-Min Yun, Young Chang Nho, Phil H 저
- 3,000원
59.

H형(形) 강(鋼) 제품(製品)의 절단(切斷) 모델 최적화(最適化)에 관한 연구(硏究)

남호기, 박상민, 조종남, 김종현, Nam. Ho-Ki, Park. Sang-Min, Joh. Jong-Nam, Kim. Jhong-Hyun 대한안전경영과학회 대한안전경영과학회지 11 Pages

대한안전경영과학회 대한안전경영과학회지 2011, Vol.13 No.4 213-223 (11 pages)

남호기, 박상민, 조종남, 김종현, Nam. Ho-Ki, Park. Sang-Min, Joh. Jong-Nam, Kim. Jhong-Hyun 저

이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
- 무료
60.

내화 피복된 비대칭 H형강을 적용한 슬림플로어 보의 재하가열조건 화재거동에 관한 실험적 연구

김형준, 김흥열, 민병렬, 이재승, 박수영, Kim. Hyung-Jun, Kim. Hyung-Jun, Min. Byung-Youl, Lee. Jae-Sung, Park. Soo-Yong 한국화재소방학회 한국화재소방학회 논문지= Journal of Korean Institute of Fire Science & Engineering 9 Pages

한국화재소방학회 한국화재소방학회 논문지= Journal of Korean Institute of Fire Science & Engineering 2011, Vol.25 No.1 63-71 (9 pages)

김형준, 김흥열, 민병렬, 이재승, 박수영, Kim. Hyung-Jun, Kim. Hyung-Jun, Min. Byung-Youl, Lee. Jae-Sung, Park. Soo-Yong 저

이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
- 무료
비대칭 H형강을 활용한 슬림플로어의 경우, 상대적으로 열전달 속도가 낮은 콘크리트에 강재가 매립된 형상으로 설계되어 화재조건에서 강재의 강성저하를 최소화 할 수 있는 형상으로 설계되었다. 그러나 비대칭 H형강의 하부플렌지는 화재에 직접적으로 노출되므로, 이 부분에 대한 내화피복을 적용하여 슬림플로어 보의 내화성능을 최대한 확보할 수 있는 방안을 모색하고자 하였다. 실험계획은 재하 하중비 0.4와 0.3을 조정하여 하중조건에 따른 내화성능을 비교하고자 하였고 철근보강에 따른 내화성능 향상효율, 내화피복을...

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