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?雨星(Yang, Yuxing),?容洙(Han, Yongsu) 동아인문학회 2021 동아인문학 Vol.54 No.-
Many new words have appeared in modern daily life and the Internet, especially the eye shadow color words. These color words have distinctive features, novel semantics, and conform to the characteristics of the product. For example, 牛油果绿,豆沙色, etc. Therefore, it is very necessary to study the semantics of the Internet eye shadow color words and analyze the semantic composition and semantic characteristics of these color words. At the same time, attention should be paid to the background reasons for these color words, their usage status and usage problems. This article first selects and analyzes the color words to be studied. Secondly, we read a lot of related color word research articles, and then started to study the Internet eye shadow color words on these basis. In the research process, forms are usually used to show the meaning of color words, as well as the structure and analysis of color words. By studying these color words, we found that in the semantic composition of Internet eye shadow color words, noun meaning + color words meaning occupies an important position; in the semantic characteristics of Internet eye shadow color words, in addition to strong ambiguity meaning, it also has Rhetoric meaning, such as image meaning, associative meaning, etc. Through the research on the color words of cosmetic products in this article, it is hoped that more scholars will study the application of these color words in other industries.
The Impact of Line Resistance on Load Sharing and An Improved Droop Control of DC Microgrid
CAO Wei,YANG Daopei,CAO Jialin,WANG Yongzhi,YAN Yuxing 전력전자학회 2015 ICPE(ISPE)논문집 Vol.2015 No.6
This paper proposes an effective DC voltage and power sharing droop control structure for DC microgrid based on public bus voltage feedback signal. Firstly, the impact of the line resistance on power sharing among droop controlled distributed generators is analyzed and the reason why the line resistance cannot be ignored is presented. Then, an improved droop control is proposed. The simulation test based on MATLAB/Simulink was implemented to demonstrate the proposed approach.
A Novel Zero-Voltage-Switching Push-Pull Forward Converter with a Parallel Resonant Network
Chunwei Cai,Chunyu Shi,Yuxing Guo,Zi Yang,Fangang Meng 전력전자학회 2017 JOURNAL OF POWER ELECTRONICS Vol.17 No.1
A novel zero-voltage-switching (ZVS) push-pull forward converter with a parallel resonant network is presented in this paper. The novel topology can provide a releasing loop for the energy storage in a leakage inductor for the duration of the power switching by the resonant capacitors paralleled with the primary windings of the transformer. Then the transformer leakage inductor is utilized to be resonant with the parallel capacitor, and the ZVS operation is achieved. This converter exhibits many advantages such as lower duty-cycle losses, limited peak voltage across the rectifier diodes and a higher efficiency. Furthermore, the operating principles and key problems of the converter design are analyzed in detail, and the ZVS conditions are derived. A 500W experimental converter prototype has been built to verify the effectiveness of the proposed converter, and its maximum efficiency reaches 94.8%.
Cong Qi,Tiantian Chen,Yuxing Wang,Liyuan Yang 한국화학공학회 2020 Korean Journal of Chemical Engineering Vol.37 No.9
Due to the low heat transfer efficiency of common heat exchange systems, an improved heat exchange system was developed. Enhanced tubes (elliptical tubes with a built-in turbulator) instead of a smooth tube were used and TiO2-water nanofluids were substituted for water to intensify the heat transfer. The influences of turbulator (presence or absence), axial ratios of elliptical tubes (Z=1.235, 1.471, 1.706), nanoparticle concentration (=0.0 wt%, 0.1 wt%, 0.3 wt%, 0.5 wt%), and Reynolds number (Re=400-12,000) on the flow and heat transfer properties of TiO2-water nanofluids were studied. Thermal and exergy efficiency were used to research the comprehensive thermo-hydraulic characteristics of these heat transfer enhancement technologies. The thermo-hydraulic properties of nanofluids all showed an increasing trend with the growing axial ratio, nanoparticle concentration and Reynolds number. Nanofluids (=0.5 wt%) in an elliptical tube (Z=1.706) with a built-in turbulator showed the best thermal performance, which could be increased by 33.8% in comparison with water at best. The thermal efficiency index increased first and then decreased with the Re. Nanofluids in elliptical tubes with a built-in turbulator can clearly promote heat transfer under the identical condition.
Double-layer Fabry-P$\acute{e}$rot filter interferometric modulator display
Chen, Chao Ping,Xiong, Yuan,Yang, Yuxing,Li, Xiao,Li, Hongjing,He, Gufeng,Lu, Jiangang,Su, Yikai 한국정보디스플레이학회 2013 Journal of information display Vol.14 No.4
Presented is an interferometric modulator display characterized by double layers of liquid crystal (LC) Fabry-P$\acute{e}$rot filters. With this design, no polarizers and color filters are needed, and both the color and amplitude can be tuned by electrically controlling the LC's birefringence. Instead of the conventional RGB trisubpixel color scheme, a bisubpixel structure is proposed to render a super-wide color gamut. Through simulations, the device performance was numerically studied. The device was proven to be quite suitable for green-display application.
Double-layer Fabry–Pérot filter interferometric modulator display
Chao Ping Chen,Yuan Xiong,Yuxing Yang,Xiao Li,Hongjing Li,Gufeng He,Jiangang Lu,Yikai Su 한국정보디스플레이학회 2013 Journal of information display Vol.14 No.4
Presented is an interferometric modulator display characterized by double layers of liquid crystal (LC) Fabry–Pérot filters. With this design, no polarizers and color filters are needed, and both the color and amplitude can be tuned by electrically controlling the LC’s birefringence. Instead of the conventional RGB trisubpixel color scheme, a bisubpixel structure is proposed to render a super-wide color gamut. Through simulations, the device performance was numerically studied. The device was proven to be quite suitable for green-display application.
Ma Yanyan,Zhang Weida,CHENGSHAOBO,Yang Wanting,Liu Yuxing,Yang Shengyu,Zhang Xinling,Guo Minrui,Chen Guogang 한국원예학회 2022 Horticulture, Environment, and Biotechnology Vol.63 No.6
Prunus domestica L. cv. Ximei fruit perishes quickly due to intense metabolic activity after being harvested. To prolong shelf life and maintain fruit quality, the eff ects of 1-methylcyclopropene (1-MCP) treatment on P. domestica fruit during storage at 4 ± 1 °C were investigated. The results showed that the soluble solid content (SSC), respiratory rate (29.8%), ethylene production (27.2%), anthocyanin content, malonaldehyde content (MDA), hydrogen peroxide content (H 2O2), and superoxide anion activity (O 2·−) of P. domestica fruit were all signifi cantly reduced by 1-MCP treatment (1.0 μL L −1), while the content of ascorbic acid and total phenol, and the activity of SUPEROXIDE DISMUTASE (SOD, 61.3%), CATALASE (CAT, 39.0%), ASCORBATE PEROXIDASE (APX, 23.7%), and PEROXIDASE (POD, 38.0%) increased compared to untreated fruit after 35 days of cold storage. Overall, 1-MCP treatment could maintain high postharvest quality and anti- oxidant activity in P. domestica fruit
Fabrication and Characterization of Copper-Exchanged BK7 Waveguides
Lei Huang,Xianfeng Chen,Yong Yang,Yuxing Xia 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.51 No.II
In this paper, we report fabrication of a copper-exchanged optical planar waveguide in BK7 glass by using ion exchange with ZnCl$_2$+Cu$_2$Cl$_2$ as ion source. The measured loss of the fabricated waveguides was as low as about 0.36 db/cm. The waveguides can hold 2 -- 4 modes with 5- to 30-minute exchange and 1 mode with 2- or 3-minute exchanges. The effective refractive index of each mode was determined by using the m-line test system at a wavelength of 0.65 $\mu$m. In addition, the cubic spline function interpolation method was employed to recover the gradient refractive index profiles of the copper-containing waveguides. The study on the annealing process for copper-exchanged waveguide is also discussed