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노태호,심이레 한국표면공학회 2023 한국표면공학회지 Vol.56 No.4
In recent years, energy-management studies in buildings have proven useful for energy savings. Typically, during heating and cooling, the energy from a given building is lost through its windows. Generally, to block the entry of ultraviolet (UV) and infrared (IR) rays, thin films of deposited metals or metal oxides are used, and the blocking of UV and IR rays by these thin films depends on the materials deposited on them. Therefore, by controlling the thicknesses and densities of the thin films, improving the transmittance of visible light and the blocking of heat rays such as UV and IR may be possible. Such improvements can be realized not only by changing the two-dimensional thin films but also by altering the zero-dimensional (0-D) nanostructures deposited on the films. In this study, 0-D nanoparticles were synthesized using a sol –gel procedure. The synthesized nanoparticles were deposited as deep coatings on polymer and glass substrates. Through spectral analysis in the UV–visible (vis) region, thin-film layers of deposited zinc oxide nanoparticles blocked >95 % of UV rays. For high transmittance in the visible-light region and low transmittance in the IR and UV regions, hybrid multiple layers of silica nanoparticles, zinc oxide particles, and fluorine-doped tin oxide nanoparticles were formed on glass and polymer substrates. Spectrophotometry in the UV–vis–near-IR regions revealed that the substrates prevented heat loss well. The glass and polymer substrates achieved transmittance values of 80 % in the visible-light region, 50 % to 60 % in the IR region, and 90 % in the UV region.
노태호,안승원,최수림,전세환 한국스포츠융복합정보학회 2022 스포츠융복합정보학회지 Vol.2 No.1
This study analyzes the golf wear selection attributes of the MZ generation with the purpose of defining the difference in such attributes according to sex. As a result, the following conclusion was drawn using data from 43 people selected through the objective sampling method. First, the MZ generation showed the highest preference for color and pattern among the selection attribute factors when purchasing golf wear, followed by design, fit, and functionality. And in design, color and pattern factors, the female MZ generation showed a relatively high preference tendency compared to the male MZ generation. Second, among the factors by which the MZ generation chose to purchase golf wear, they gave a relatively high weight to functionality, fit, and brand value. Based on these results, golf wear marketing for the MZ generation should emphasize the differentiation of design, color and pattern and at the same time employ a strategy that can highlight the functionality and fit of golf wear. A final conclusion was drawn that golf wear attributes focusing on lifestyle type golf wear can increase purchase intentions for the MZ generation.