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천핑위안 민족문학사학회 2000 민족문학사연구 Vol.16 No.-
The essay, dealing with heroic novels of Jin-Yong(金庸), is extracted from professor Chen's latest work, the Form and the Structure of the History of Literature(1999.3, Guangsi Education Publishing). The author of the essay, Chen Ping-Yuan received M. A in literature at Zhongshan University and Ph. D at Beijing University and presently he is the professor of the Chinese literature department and the academic adviser of the doctor's course in Beijing University. His academic concern has wide range, such as 20th century's Chinese literature, modem Chinese history of science, Chines novel and Chinese prose, and it came out in his writings, like Narrative Form of Chinese Novel and Chines Novel of 20th Century. Hitherto, Chinese heroic novel was always under-valued in the field of literature but the enormous popularity of one writer, Jin-Yong, was so powerful that his heroic novel became the matter of scientific concern not mention in Chinese academic world but in the international academic world. The essay, with reflection, criticizes his success from the viewpoint of modern Chinese literature so its subject is the interior case of the Chinese literature. For all, some issues, like the problem of vulgarity in literature, the excessive inclination toward pure literature and the inheritance of the literary tradition, which arise from argument on Chinese heroic novel, are crucial points of the history of Korean new literature. Therefore, our reviewing this essay can be a lesson for studying the history of modern Korean literature.
Renewable Low-viscosity Dielectrics Based on Vegetable Oil Methyl Esters
Yu, Hui,Yu, Ping,Luo, Yunbai The Korean Institute of Electrical Engineers 2017 Journal of Electrical Engineering & Technology Vol.12 No.2
Vegetable oil dielectrics have been used in transformers as green alternatives to mineral insulating oils for about twenty years, because of their advantages of non-toxic, biodegradability, and renewability. However, the viscosity of vegetable oils is more than 3 times of mineral oils, which means a poor heat dissipation capacity. To get low-viscosity dielectrics, transesterification and purification were performed to prepare vegetable oil methyl esters in this study. Electrical and physical properties were determined to investigate their potential as dielectrics. The results showed that the methyl ester products had good dielectric strengths, high water saturation and enough fire resistance. The viscosities (at $40^{\circ}C$) were 0.2 times less than FR3 fluid, and 0.7 times less than mineral oil, which indicated superior cooling capacity as we expected. With the assistance of 0.5 wt% pour point depressants, canola oil methyl ester exhibited the lowest pour point ($-26^{\circ}C$) among the products which was lower than FR3 fluid ($-21^{\circ}C$) and 25# mineral oil ($-23^{\circ}C$). Thus, canola oil methyl ester was the best candidate as a low-viscosity vegetable oil-based dielectric. The low-viscosity fluid could extend the service life of transformers by its better cooling capacity compared with nature ester dielectrics.
Varying-coefficient partially functional linear quantile regression models
Ping Yu,Jiang Du,Zhongzhan Zhang 한국통계학회 2017 Journal of the Korean Statistical Society Vol.46 No.3
In this paper, we introduce a new varying-coefficient partially functional linear quantile regression model, which combines varying-coefficient quantile regression model with functional linear quantile regression model. The functional principal component basis and regression splines are employed to estimate the slope function and varying-coefficient functions, respectively, and the convergence rates of the estimators are obtained under some regularity conditions. Simulations and an illustrative real example are presented.
Initial Factors Influencing Duration of Hospital Stay in Adult Patients With Peritonsillar Abscess
Yu-Hsi Liu,Hsing-Hao Su,Yi-Wen Tsai,Yu-Yi Hou,Kuo-Ping Chang,Chao-Chuan Chi,Ming-Yee Lin,Pi-Hsiung Wu 대한이비인후과학회 2017 Clinical and Experimental Otorhinolaryngology Vol.10 No.1
Objectives. To review cases of peritonsillar abscess and investigate the initial clinical factors that may influence the duration of hospitalization. To determine the predictive factors of prolonged hospital stay in adult patients with peritonsillar abscess. Methods. Subjects were adults hospitalized with peritonsillar abscess. We retrospectively reviewed 377 medical records from 1990 to 2013 in a tertiary medical center in southern Taiwan. The association between clinical characteristics and the length of hospital stay was analyzed with independent t-test, univariate linear regression and multiple linear regression analysis. Results. The mean duration of hospitalization was 6.2±6.0 days. With univariate linear regression, a prolonged hospital stay was associated with several variables, including female gender, older ages, nonsmoking status, diabetes mellitus, hypertension, band forms in white blood cell (WBC) counts, and lower hemoglobin levels. With multiple linear regression analysis, four independent predictors of hospital stay were noted: years of age (P<0.001), history of diabetes mellitus (P<0.001), ratio of band form WBC (P<0.001), and hemoglobin levels (P<0.001). Conclusion. In adult patients with peritonsillar abscess, older ages, history of diabetes mellitus, band forms in WBC counts and lower hemoglobin levels were independent predictors of longer hospitalization.
Ping Kou,Yu-Fei Kang,Li-Tao Wang,Li-Jun Niu,Ying Xiao,Na Guo,Qi Cui,Yanyan Liu,Yu-Jie Fu 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.80 No.-
This study explored an integrated strategy for extraction and preparative separation of four anthocyaninsfrom Ribes nigrum L. using DES-based microwave assisted extraction andflash chromatography. Theextraction yield of anthocyanins reached 2.03 mg/g after optimization. An efficient preparativeseparation process of four main anthocyanins by macroporous resin andflash chromatography wasestablished afterwards. The yields of D3G, D3R, C3G and C3R reached 0.32 mg/g, 0.47 mg/g, 0.18 mg/g and0.43 mg/g with the purities of more than 95%, respectively. The developed procedure represents anefficient and convenient alternative for the systematic utilization of natural products from plantmaterials.
Ping Yu,Qilong Sun,Jianfeng Li,Zhenjiang Tan,Jianming Pan,Yongsheng Yan 한국화학공학회 2015 Korean Journal of Chemical Engineering Vol.32 No.4
Magnetic molecularly imprinted microspheres (MMIS) were successfully prepared by suspension polymerization,and then as-prepared MMIS were used as adsorbents for selective recognition of 2,4,6-trichlorophenol (2,4,6-TCP) from aqueous solutions. The results composites were characterized by Fourier transform infrared (FT-IR), X-raydiffraction (XRD), thermo gravimetric analysis (TGA), scanning electron microscope (SEM) and vibrating samplemagnetometer (VSM). The results demonstrated that MMIS possesses porous spherical morphology, and exhibits goodthermal stability and magnetic property (Ms=10.14 emu g−1). Then batch mode of binding experiments was used todetermine the equilibrium, kinetics and selectivity recognition. The Langmuir isotherm model fitted the equilibriumdata better than did the Freundlich model, and the maximum adsorption capacity on MMIS was about 1.7 times higherthan that of MNIS. Kinetics behaviors of MMIS were well described by the pseudo-second-order model. MMIS possessedoutstanding selectivity recognition for 2,4,6-TCP in the presence of other competitive phenols (such as sesamol,3-CP, thymol, 2,4-DCP). Furthermore, the reusability performance of MMIS showed about 17.53% loss after five repeatedcycles. Finally, the MMIS were successfully applied to the selective extraction of 2,4,6-TCP from the vegetablesamples.
Yu Ping,Du Jiang,Zhang Zhongzhan 한국통계학회 2021 Journal of the Korean Statistical Society Vol.50 No.1
This paper investigates the hypothesis test of the parametric component in partial functional linear quantile regression model in which the dependent variable is related to both a vector of fnite length and a function-valued random variable as predictor variables. A quantile rank score test based on functional principal component analysis is developed. Under mild conditions, we establish the consistency of the proposed test statistic, and show that the proposed test can detect Pitman local alternatives converging to the null hypothesis at the usual parametric rate. A simulation study shows that the proposed test procedure has good size and power with fnite sample sizes. Finally, an illustrative example is given through ftting the Berkeley growth data and testing the efect of gender on the height of kids.
Analytical Model and Numerical Simulation of High Level Injection in Si/SiGe HBTs
Yu, Zhi Ping,Dutton, Robert W.,Voorde, Paul Vande,Oh, Soo Young,Cottrell, Peter E. 대한전자공학회 1991 ICVC : International Conference on VLSI and CAD Vol.2 No.1
The high-level injection (FLI) behavior of Si/SiGe hetero-junction bipolar transistors (HBTs) is governed by the formation of a retarding potential barrier to the collector current flow at the base-collector junction. A quantitative, analytical model is developed to predict the barrier height dependence on the applied bias. Complete device I-V characteristics can subsequently he calculated based on this knowledge. Two-dimensional (2D) numerical simulation has also been carried out on such structure, revealing the 2D effects of the device operation. Several measures to alleviate the adverse effects of HLI on device performance are proposed.