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로봇디자인에 대한 선호 반응에 영향을 미치는 조형요소의 특성
정정필,허성철 한국감성과학회 2008 추계학술대회 Vol.2008 No.-
This study`s basic intention is to analyze property of combination relations of formative element composing robot`s face based on a result of preference response on robot`s design. Also, in order to improve preference from the analysis result, the study intended to inquire into possibilities of suggesting design guideline. For the above, photographs of 27 robots` faces were selected as a experimental stimuli, and experiments on preference response and association response were performed. As a result, various properties such as robots` form of eyes having greater influences than facial structure, etc. Based on the result, each formative element`s property that could have positive influence preference response on robot`s face could be drawn and basic design guideline could also be suggested.
정정필,김용신 대한혈관외과학회 2002 Vascular Specialist International Vol.18 No.1
In the early period (B.C) the definition of he primary varivose vein in lower extremity was dilated, toruous and elongated vein. The care of varicose vein is directed toward ablation of pathologic vessels. This is achieved by removing them surgically or by obliterating them with sclerotherapy. The sclerosing agents first used. however, were too strong to be used successfully for the treatment of such veins. The introduction of less toxic sclerosing agents now makes it possible to treat varicose vein safely, reliably, and easily. Purpose: We has been tried the clinical reserch because of good result & possibility of therapy by only sclerotherpy in well defined selected indication of primary varicose vein. Method: We reviewed primary varicose vein involved in lower extremity of 463 cases that was well treated by sclerosing agents to Dept of Surg, Kangbuk Samsung Hosp, SungKyunKwan University College of Medicine, From January 1996 To December 2000. Result: 1. The distribution of the age were the first, 4th decade (40.2%), followed by 5th decade, 3th decade. The ratio of sex were more prevalent in female than male (1:10). 2. Sx & sign were showed cosmetic problem (60.5%) in most patients, followed by pain (18.8%), swelling (9.3%), Heaviness (7.1%). 3. The duration of illness were over 5 yrs in most patient -373 cases (80.6%). 4. The associating factor were correlated with pregnancy in most female (33.7%), others were family Hx (7.8%), long standing posture, DM, HTN, Trauma. 5. The size of varicose vein were type Ⅱ in case 312 (67.4%), followed by type Ⅲ (27.4%), type Ⅰ (4.1%), type Ⅳ(1.1%) according to the classification by Dr. Weiss. 6. The frequency of injection were 2~4 injection (68.3%) in most patient. During 4months of injection therapy, almost varicose veins were disppeared (91.4%). 7. Post injection complication were thrombosis in 38 cases, followed by hyperpigmentation in 25 cases, necrosis in 8 cases. 8. Recurrence rate after injection were extremely rare (6 cases). Conclusion: The sclerotherapy of telangiectasia (type Ⅰ,Ⅱ) is highly effective. The treatment based on knowledge of venous anatomy, of sclerosing agents in highly likely to be successful.
로봇디자인에 대한 선호 반응에 영향을 미치는 조형요소의 특성
정정필,허성철 대한인간공학회 2008 대한인간공학회 학술대회논문집 Vol.2008 No.10
This study’s basic intention is to analyze property of combination relations of formative element composing robot’s face based on a result of preference response on robot’s design. Also, in order to improve preference from the analysis result, the study intended to inquire into possibilities of suggesting design guideline. For the above, photographs of 27 robots’ faces were selected as a experimental stimuli, and experiments on preference response and association response were performed. As a result, various properties such as robots’ form of eyes having greater influences than facial structure, etc. Based on the result, each formative element’s property that could have positive influence preference response on robot’s face could be drawn and basic design guideline could also be suggested.
정은혁,백승림,유승미,김정필,홍태은,김현규,배종성,정의덕,F. Nawaz Khan,정옥상 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.7
Nanostructured titanium dioxide (NTiO2) is known to possess efficient photocatalytic activityand to have diverse applications in many fields due to its chemical stability, high surface area/volumeratio, high transmittance, and high refractive index in the visible and the near-ultraviolet regions. These facts prompted us to develop TiO2 nanotube (TiO2 NT) arrays through electrochemicalanodic oxidation involving different electrolytes comprised of phosphoric acid - hydrofluoric acidaqueous systems by varying the voltage and the time. The annealing temperature of the nanotubes,TiO2 NTs, were varied to modify the surface morphology and were characterized by using X-raydiffraction and scanning electron microscopy. Scanning electron microscopy and X-ray diffractionresults showed that the samples had uniform morphologies and good crystalline structures of theanatase phase at lower annealing temperatures and of the rutile phase at higher annealing temperatures. A secondary-ion mass-spectrometry analysis was used to investigate the surface atoms andto conduct a depth profile analysis of the TiO2 NTs. The efficiency of the photocatalytic activity ofthe TiO2 NT arrays in degrading methylene blue (MB) was investigated under UV-Vis light irradiation. The maximum photocatalytic activity was achieved for the samples with lower annealingtemperatures due to their being in the anatase phase and having a higher surface area and a smallercrystal size, which play important roles in the degradation of organic pollutants.