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- 저자 : Ta-Hsin Chou (검색결과 4 건)
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Ta-Hsin Chou,Kuei-Yuan Cheng,Chih-Chieh Su,Tien-Li Chang,Chih-Wei Hsieh,Jen-Hui Tsai 한국정밀공학회 2010 International Journal of Precision Engineering and Vol.11 No.4
The transparent conducting oxide (TCO) film is a significant component in flat panel display industry, applied for flexible display, e-paper, and touch panel. The TCO materials have high refractive index, so the phenomenon of high reflectance is the major issue and needs solved in present and future market. In this study, the structure and process of new lower reflection TCO hybrid film is introduced. The laser interference lithography and UV nanoimprint are combined for fabrication of sub-wavelength structures on PET film, then the tin-doped indium oxide (ITO) deposited on structures. Finally, the best result of this hybrid film is reflectance reduced to 3.3% at wavelength 550nm, just 13% of the original film, and the resistance of ITO layer is 1.05x10-3 Ω-cm. This result is useful for the TCO film applied in low reflection demand products in the future.
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Chi‑Shih Huang,Erh‑Jen Hou,Ying‑Chou Lee,Tzong‑Huei Lee,Yi‑Jun Pan,Ta Yu,Wei‑Hsin Lin,Chun‑Han Shih,Wei‑Che Chang 한국섬유공학회 2023 Fibers and polymers Vol.24 No.12
The study was inspired by the specialized facial masks made of rayon non-woven fabrics which contained collagen peptides for improving moisturizing function. This study explored the moisturizing function of a rayon fabric containing collagen peptides extracted from tilapia fish scales under various conditions of relative humidity. This research had implications for the development of clothing that can prevent dry skin. A two-stage nested design experiment was adopted. The first-stage factor such as the fabric has two levels and the second-stage factor such as the relative humidity with three levels nested under each level of the first-stage factor. Preliminary results indicated that introducing a new variable (i.e., fabric moisturizing value, which combines the moisture regains of adsorption and desorption) would be useful. The moisturizing value of the novel rayon fabric and regular rayon fabric increased with the increase in relative humidity, and moisturizing effect of the novel rayon fabric with collagen peptides was better than that of the regular rayon fabric. Therefore, the novel rayon fabric may be suitable for preventing dry skin in winter.
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Quadrature Oscillators with Grounded Capacitors and Resistors Using FDCCIIs
Jiun-Wei Horng,Chun-Li Hou,Chun-Ming Chang,Hung-Pin Chou,Chun-Ta Lin,Yao-Hsin Wen 한국전자통신연구원 2006 ETRI Journal Vol.28 No.4
Two current-mode and/or voltage-mode quadrature oscillator circuits each using one fully-differential secondgeneration current conveyor (FDCCII), two grounded capacitors, and two (or three) grounded resistors are presented. In the proposed circuits, the current-mode quadrature signals have the advantage of high-output impedance. The oscillation conditions and oscillation frequencies are orthogonally (or independently) controllable. The current-mode and voltage-mode quadrature signals can be simultaneously obtained from the second proposed circuit. The use of only grounded capacitors and resistors makes the proposed circuits ideal for integrated circuit implementation. Simulation results are also included.
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Su Vincent Yi-Fong,Ko Szu-Wen,Chang Yuh-Lih,Chou Yueh-Ching,Lee Hsin-Chen,Yang Kuang-Yao,Chou Kun-Ta,Hsu Chia-Chen 대한천식알레르기학회 2022 Allergy, Asthma & Immunology Research Vol.14 No.3
Purpose: Current clinical guidelines are unclear regarding the association of cardiovascular medication with the risk of acute exacerbation (AE) in patients with asthma-chronic obstructive pulmonary disease (COPD) overlap (ACO). Methods: We conducted a retrospective cohort study by interrogating the claims database of Taipei Veterans General Hospital. Patients with coexistent fixed airflow limitation and asthma were enrolled as an ACO cohort between 2009 and 2017. Exposure to cardiovascular medications, including angiotensin converting enzyme inhibitors (ACEIs), angiotensin II receptor blockers (ARBs), non-selective beta-blockers, cardioselective beta-blockers, dihydropyridine (DHP) calcium channel blockers (CCBs), and non-DHP CCBs, in 3-month period each served as time-dependent covariates. Patients receiving a cardiovascular medication ≥ 28 cumulative daily doses were defined as respective cardiovascular medication users. Patients were followed up until December 31, 2018. The primary endpoint was severe AE, defined as hospitalization or emergency department visit for either asthma, COPD, or respiratory failure. The secondary outcome was moderate AE. Results: The final study cohort consisted of 582 ACO subjects, with a mean follow-up period of 2.98 years. After adjustment, ARB (hazard ratio [HR], 0.64, 95% confidence interval [CI], 0.44–0.93, P = 0.019), cardioselective beta-blocker (HR, 0.29, 95% CI, 0.11–0.72, P = 0.008) and DHP CCB (HR, 0.66, 95% CI, 0.45–0.97, P = 0.035) therapies were associated with lower risks of severe AE. ARB (HR, 0.42, 95% CI, 0.30–0.62, P < 0.001) and DHP CCB (HR, 0.55, 95% CI, 0.38–0.80, P = 0.002) therapies were associated with lower risks of moderate AE. Cardioselective beta-blockers, ARBs, and DHP CCBs were associated with lower risks of severe AE in frequent exacerbators. ACEI, non-selective beta-blocker, or non-DHP CCB use did not change the risk of severe AE. Conclusions: ARB, cardioselective beta-blocker, and DHP CCB therapies may lower the risk of AE in patients with ACO.
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