중국 여성소비자의 라이프스타일에 따른 의복소비가치, 한국 패션브랜드에 대한 태도 및 충성도

허원원 ( Xu Yuan-yuan ),황진숙 ( Hwang Jin-sook ) 한국디자인트렌드학회 2011 한국디자인포럼 Vol.30 No.-

중국은 급속한 경제 성장으로 세계의 주목을 받고 있다. 생활수준 개선으로 중국 소비자들의 삶의 질은 높아지고 있으며 그에 따라 소비자들의 라이프스타일도 변화하고 있다. 본 연구는 중국 북경에 거주하는 20-30대 여성 소비자들을 대상으로 라이프스타일에 따라 집단을 세분화하고 집단 간 의복 소비가치와 한국 패션 브랜드에 대한 태도 및 충성도의 차이를 알아보고자 하였다. 연구결과 라이프스타일 집단은 `브랜드/알뜰계획 집단`, `패션 문화개방/디지털 집단`, `소극적 라이프스타일 집단`의 3집단으로 분류되었고, 집단 간 의복 소비가치, 한국 패션 브랜드에 대한 태도, 충성도 및 정보원에서 유의한 차이가 나타났다. China is attracting the world`s attention with its rapid economic growth. The quality of life is rising universally by the improvement of living level, and the lifestyle is changing as well. The purpose of this research was to segment Chinese female consumers by lifestyles, and to investigate the differences among the segmented groups in regard to clothing consumption value and attitudes toward Korean fashion brands. The subjects of the study were 20-30 years old women living in Beijing, China. The subjects were classified into three groups according to their lifestyles, which were brand/function-oriented group, fashion/ shopping group, and passive lifestyle group. The results showed that there were significant differences among the groups in regard to clothing consumption value, attitudes toward Korean fashion brands, brand loyalty, and information source.

How to evaluate the adequacy of staging for nodal-negative epithelial ovarian cancer? Use of nodal staging score

Yuan Xu,Haoran Li,Xiaoxia Tong,Yangyang Pang,Xiaojuan Tong,Luhong Li,Lei Cheng 대한부인종양학회 2019 Journal of Gynecologic Oncology Vol.30 No.2

Objective: No guideline has been provided to assess the minimal number of lymph nodes (LNs) that should be dissected for accurate staging in patients with epithelial ovarian cancer (EOC). The aim of the study was to develop a nodal staging score (NSS) as an index to assess whether a pathologic (p)N0 EOC patient is indeed free of a nodal disease. Methods: A total of 16,361 EOC patients staged I–III between 2004 and 2013 were identified from the Surveillance, Epidemiology and End Result database. With a β-binomial model, NSS was calculated to assess the probability of true-negative findings of LN status. Results: With an increased number of LNs examined, the probability of missing a nodal disease decreased and varied among different pT stages. Given 1 LN examined, an NSS of 93.76% calculated could ensure a high adequacy of nodal-negative classification for pT1N0 EOC patients. For pT2N0 patients, 5 LNs examined could guarantee an NSS of 90% for adequate staging. Likewise, 11 and 29 LNs examined in pT3N0 patients could maintain NSS at the level of 80% and 90%, respectively. Our study suggested the optimal number of LNs that could be examined and stratified by the pT stages for EOC patients based on this statistical model derived from large pathologic data of clinical surgery patients. Conclusion: NSS, as an auxiliary tool, not only could assist the International Federation of Gynecology and Obstetrics staging more precisely, but also would provide a statistical basis for postoperative evaluation for further clinical decision-making.

Improvement of Anti-CD36 Antibody Detection via Monoclonal Antibody Immobilization of Platelet Antigens Assay by Using Selected Monoclonal Antibodies

Xu Xiuzhang,Chen Dawei,Ye Xin,Xia Wenjie,Shao Yuan,Deng Jing,Chen Yangkai,Ding Haoqiang,Liu Jing,Xu Yaori,Santoso Sentot,Fu Yongshui 대한진단검사의학회 2023 Annals of Laboratory Medicine Vol.43 No.1

Antibodies against human CD36 are responsible for several immune-mediated disorders. The detection of anti-CD36 antibodies using the standard monoclonal antibody (mAb) immobilization of platelet antigens (MAIPA) assay is hampered by a high frequency of false-negative results, most likely due to competitive inhibition of the mAb used as the capture antibody. We generated a panel of mouse mAbs against CD36 and seven hybridomas (GZ-3, GZ-13, GZ-70, GZ-143, GZ-413, GZ-507, and GZ-608), which were selected for MAIPA assays, as they reacted with mouse and human CD36. Fourteen anti-CD36 sera were assayed; all of which showed a positive reaction in a PakPlus (Immucor GTI Diagnostics, Inc., Waukesha, WI, USA) ELISA-based screening (optical density: 0.257–2.292). When the reference anti-CD36 mAb FA6-152 was used in the MAIPA assay, only 6/14 (42.9%) sera displayed a positive reaction. In contrast, anti-CD36 antibodies were detected in 13/14 (92.9%) sera when GZ-70 and GZ-608 mAbs were used. This significant improvement resulted in the identification of anti-CD36 antibodies by an antigen capture assay. Since patient’s platelets possibly carrying rare native antigens are used, this method will facilitate the identification of new platelet antibodies against CD36 that are involved in immune-mediated thrombocytopenia and other diseases, such as transfusion-related acute lung injury.

Arachidonic Acid 15-Lipoxygenase: Effects of Its Expression, Metabolites, and Genetic and Epigenetic Variations on Airway Inflammation

Xu Xu,Li Jingyun,Zhang Yuan,Zhang Luo 대한천식알레르기학회 2021 Allergy, Asthma & Immunology Research Vol.13 No.5

Arachidonic acid 15-lipoxygenase (ALOX15) is an enzyme that can oxidize polyunsaturated fatty acids. ALOX15 is strongly expressed in airway epithelial cells, where it catalyzes the conversion of arachidonic acid to 15-hydroxyeicosatetraenoic acid (15-HETE) involved in various airway inflammatory diseases. Interleukin (IL)-4 and IL-13 induce ALOX15 expression by activating Jak2 and Tyk2 kinases as well as signal transducers and activators of transcription (STATs) 1/3/5/6. ALOX15 up-regulation and subsequent association with phosphatidylethanolamine-binding protein 1 (PEBP1) activate the mitogen-activated extracellular signal-regulated kinase (MEK)-extracellular signal-regulated kinase (ERK) pathway, thus inducing eosinophil-mediated airway inflammation. In addition, ALOX15 plays a significant role in promoting the migration of immune cells, such as immature dendritic cells, activated T cells, and mast cells, and airway remodeling, including goblet cell differentiation. Genome-wide association studies have revealed multiple ALOX15 variants and their significant correlation with the risk of developing airway diseases. The epigenetic modifications of the ALOX15 gene, such as DNA methylation and histone modifications, have been shown to closely relate with airway inflammation. This review summarizes the role of ALOX15 in different phenotypes of asthma, chronic obstructive pulmonary disease, chronic rhinosinusitis, aspirin-exacerbated respiratory disease, and nasal polyps, suggesting new treatment strategies for these airway inflammatory diseases with complex etiology and poor treatment response.

Multi-loop current control strategy based on predictive control for multiphase pulse power supplies

Yuan, Zhibao,Wen, Pingping,Xu, Haiping,Yuan, Zengquan The Korean Institute of Power Electronics 2021 JOURNAL OF POWER ELECTRONICS Vol.21 No.3

For high-power quasi-continuous laser drivers, the switched pulse power supply (PPS) is a promising technique due to its higher efficiency when compared with linear drivers. However, there are some digital control challenges with high precision, fast response and zero overshoot during the flat-top current stage. To promote the use of a switched PPS, this paper proposes a digital control strategy based on predictive current control under a multiphase PPS converter circuit. The key of the proposed control strategy is that predictive inner current control is only used for the master phase circuit. Meanwhile, the current sharing control is used for balancing the phase currents, and the setting outer current controller is used for keeping the whole converter control system stable and robust. Furthermore, to obtain fast and precise current tracking, a predictive average current control independent from the load values is derived. Moreover, a reducing gain method is applied to guarantee the stability of the inner current control. When compared with the conventional multiphase control, the proposed strategy possesses a faster dynamic response and a higher accuracy. In addition, it is more flexible under digital control implementation. A 360 W dual-interleaved PPS prototype is utilized for verifying the effectiveness of the proposed control strategy.

Adaptive robust INS/UWB-integrated human tracking using UFIR filter bank

Xu, Yuan,Ahn, Choon Ki,Shmaliy, Yuriy S.,Chen, Xiyuan,Li, Yueyang Elsevier 2018 Measurement Vol.123 No.-

<P><B>Abstract</B></P> <P>For human navigation, the ultra wide band (UWB)-based positioning technologies require extra infrastructure, while the inertial navigation system (INS)-based ones produce drift errors on a long time-scale. To overcome these shortcomings, we propose a novel INS/UWB-integrated system, in which the difference between the INS-measured position and UWB-measured position is corrected using a robust unbiased finite impulse response (UFIR) filter in a fusion center. To estimate optimally the averaging horizon for the UFIR filter in real time, the UFIR filter bank (UFFB) algorithm is designed employing the <I>Mahalanobis</I> distance between the estimated measurement and the actual measurement. It is shown experimentally that the UFFB-based INS/UWB-integrated human tracking system is able to provide real-time estimation with an accuracy consistent to that of the UFIR filter, which relies on a constant optimal horizon.</P>

Enhancing the static behavior of laminated composite plates using a porous layer

Yuan Yuan,Ke Zhao,Kuo Xu 국제구조공학회 2019 Structural Engineering and Mechanics, An Int'l Jou Vol.72 No.6

The main aim of this paper is enhancing design of traditional laminated composite plates subjected to static loads. In this regard, this paper suggests embedding a lightweight porous layer in the middle of laminated composite as the core layer of the resulted sandwich plate. The static responses of the suggested structures with uniform, symmetric and non-symmetric porosity distributions are compared to optimize their design. Using the first order shear deformation theories, the static governing equations of the suggested laminated composite plates with a porous layer (LCPPL) rested on two-parameter foundation are obtained. A finite element method is also utilized to solve the governing equations of LCPPLs. Effects of laminated composite and porosity characteristics as well as geometry dimension, edges’ boundary conditions and foundation coefficients on the static deflection and stress distribution of the suggested composite plates have been investigated. The results reveal that the use of core between the layers of laminated composites leads to a sharp reduction in the static deflections of LCPPLs. Furthermore, in compare with perfect cores, the use of porous core between the layers of laminated composite plates can offer a considerable reduction in structural weight without a significant difference in their static responses.

A New Theory for Acupuncture: Promoting Robust Regulation

Yuan Xu,Yang Guo,Yuru Song,Kuo Zhang,Yiping Zhang,Qiang Li,Shouhai Hong,Yangyang Liu,Yi Guo 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.1

Robustness, an ability of biological networks to uphold their functionalities in the face of perturbations, is a key characteristic of all living systems. Acupuncture is a procedure in which fine needles are inserted into an individual at discrete points and then manipulated, with the intent of preventing and curing diseases. Acupuncture does not directly eliminate pathogenic factors or pathological tissue; rather, acupuncture enhances the ability of the human body to self-medicate itself by activating complex regulatory systems and by maintaining physiological homeostasis to prevent or treat diseases. From this point of view, the effect of acupuncture on the human body is more likely a kind of regulation to promote robustness. That is to say, acupuncture has the ability to promote robustness. In this article, we review the properties and functions of acupuncture in preventing and treating diseases and in maintaining health by enhancing robustness.

The Loading–Unloading Model of Contact Between Fractal Rough Surfaces

Yuan Yuan,Kuo Xu,Ke Zhao 한국정밀공학회 2020 International Journal of Precision Engineering and Vol.21 No.6

A loading–unloading elastic–plastic model of contact between three dimensional fractal rough surfaces has been presented in this paper. During loading process, the mechanical properties of a single asperity follow Hertzian theory. During unloading process, the load-area relationships of a single asperity are obtained by EK model. The truncation size distribution functions for diff erent levels of asperities are deduced. And total true contact area and total contact load are obtained during a loading–unloading process. The results show as the rough surface is in elastic deformation, the load-area relationships during loading and unloading process are identical. As the rough surface is in inelastic deformation, the total true contact area during unloading process is greater than that during loading process. An experiment is designed to verify the validity of the present model.

An Efficient Method for Electron-Atom Scattering Using Ab-initio Calculations

Yuan Xu,Yonggang Yang,Liantuan Xiao,Suotang Jia 한국물리학회 2017 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.70 No.4

We present an efficient method based on ab-initio calculations to investigate electron-atom scatterings. Those calculations profit from methods implemented in standard quantum chemistry programs. The new approach is applied to electron-helium scattering. The results are compared with experimental and other theoretical references to demonstrate the efficiency of our method.