Modeling study on repeat purchase intention on silk products based on the electronic commercial platform

( Rui Shi ),( Gaihang Li ) 복식문화학회 2012 服飾文化硏究 Vol.20 No.6

Based on the literature on customer`s repeat purchase intention, customer`s repeat purchase intention was explored, customer`s repeat purchase intention has been a crucial factor influencing consumer behaviors, In this research, the development of models on repeat purchase intention repurchase was indicated. Based on the electronic commerce platform, we focus on the customer`s repeat purchase intention on silk products, This paper mainly explores the e-commerce purchase frequency (EPF), customer perceived value (CPV), perceived risk of e-commerce (EPR), and customer satisfaction (CS). The influence of the four factors on repeat purchase intention (RPI) is investigated. In the results, we found that CPV and CS have positive correlations with repeat purchase intention, The EPR has a negative correlation with RPI and has no significant influence on RPI. The result can provide meaningful suggestions for silk product retailers.

Naringin and Naringenin Relax Rat Tracheal Smooth by Regulating BKCa Activation

Rui Shi,Jia-Wen Xu,Zi-Ting Xiao,Ruo-Fei Chen,Yi-Lin Zhang,Jia-Bi Lin,Ke-Ling Cheng,Gu-Yi Wei,Pei-Bo Li,Wen-Liang Zhou,Wei-Wei Su 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.9

Naringin and its aglycone, naringenin, occur naturally in our regular diet and traditional Chinese medicines. This study aimed to detect an effective therapeutic approach for cough variant asthma (CVA) through evaluating the relaxant effect of these two bioactive herbal monomers as antitussive and antiasthmatic on rat tracheal smooth muscle. The relaxant effect was determined by measuring muscular tension with a mechanical recording system in rat tracheal rings. Cytosolic Ca2+ concentration was measured using a confocal imaging system in primary cultured tracheal smooth muscle cells. In rat tracheal rings, addition of both naringin and naringenin could concentration dependently relax carbachol (CCh)-evoked tonic contraction. This epithelium-independent relaxation could be suppressed by BaCl2, tetraethylammonium, and iberiotoxin (IbTX), but not by glibenclamide. After stimulating primary cultured tracheal smooth muscle cells by CCh or high KCl, the intracellular Ca2+ increase could be inhibited by both naringin and naringenin, respectively. This reaction was also suppressed by IbTX. These results demonstrate that both naringin and naringenin can relax tracheal smooth muscle through opening big conductance Ca2+-activated K+ channel, which mediates plasma membrane hyperpolarization and reduces Ca2+ influx. Our data indicate a potentially effective therapeutic approach of naringin and naringenin for CVA.

On the massive metal accumulation on the eastern margin of the North China Craton and the prospecting evaluation – a case study of Jiaojia gold concentration belt

Rui Shi,Jianping Chen 한국지질과학협의회 2015 Geosciences Journal Vol.19 No.4

North China Craton, with characteristics of the multistage tectonic evolution, has experienced a long geological history of more than 3.8 billion years, which records almost all the major geological events from the early crust development stage to the Mesozoic and has formed rich mineral resources and unique dominant minerals. Jiaodong terrane, on the eastern margin of the North China Craton, has become the basement after experiencing the evolution of Precambrian formation. Controlled by the tectonic regime in the Mesozoic, this terrane witnessed the strong crust-mantle interaction, and became the largest gold producer in China after forming the massive metal accumulation and an outbreak of large-scale metallogenic events. Previous scholars have conducted extensive researches on the metallogenic theory of Jiaodong Gold Concentrating Area and applied it to prospecting and exploration; with the increasing difficulty in prospecting and the deployment of deep prospecting, finding out the new prospecting methods has become the study focus. Based on the analysis of the regional tectonic evolution and the research on the metallogenic theory of the massive metal concentration, this paper has summed up some favorable geological conditions for ore-formation and ore-controlling, and with Jiaojia gold concentration belt as a case study and combined with the geophysical and geochemical data in this area, this paper has deduced the deep mineralization space with the three-dimensional geological modeling technique, which has achieved the integration of metallogenic theory and prospecting methods. The result indicates that forecast areas deep resources in the Jiaojia gold concentration belt is 842.88 t. More importantly, it delineated 7 undeveloped predicted targets for deep prospecting which provided a scientific basis for prospecting exploration.

Robust Control for T-S Fuzzy Multi-particle Model of High-speed Train with Disturbances and Time-varying Delays

Rui Shi,Guangtian Shi 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.9

This paper concerns the networked control issue of the speed and displacement of high-speed train (HST) with two independent time-varying delays in presence both in coupler forces and data transmission procedures. The dynamic of high-speed train is firstly described by a group of multiple particle models based on Takagi-Sugeno (TS) fuzzy descriptions. Afterwards, the system states are measured by the sensor and further transmitted to the remote controller via communication network. By using the available time-delayed state information, an output feedback control is mainly proposed. Since the process and network time-varying delays are simultaneously involved, a mode-dependent Lyapunov-Krasovskii functional (LKF) is constructed for achieving the mean-square exponential asymptotic stability (MSEAS) of the closed-loop systems. By assisting of a linear decoupling method, the controller design method is conveniently obtained. Finally, a numerical example is also provided to illustrate the effectiveness of the proposed method.

Epitaxial Growth of Strain-Induced Ferromagnetic LaCoO3 Thin Films by Simple Sol–Gel Technique

Haifeng Liu,Yuqiao Guo,Ruishi Xie,Guohua Ma 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2016 NANO Vol.11 No.3

LaCoO3 (LCO) epitaxial films were grown on (001) LaAlO3 (LAO) substrates by the simple sol– gel technique. X-ray diffraction (XRD) and the cross-section transmission electron microscope (TEM) measurements indicate that single-phase (001) oriented LCO epitaxial films with biaxial compressive strain and elongated distortion of CoO6 octahedrons were grown on (001) LAO successfully. The epitaxial relationship between the LCO film and the LAO substrate is confirmed to be (001)LCO||(001)LAO and [100]LCO||[100]LAO. It is also found that LCO grown on LAO has a larger mean Co–O bond length and unit-cell size, compared with those of polycrystalline film. In addition, the magnetic characterization shows that LCO epitaxial film exhibits an obvious ferromagnetic (FM) transition at TC ~ 85 K, which is different from the nonmagnetic ground state of polycrystalline LCO. Combined with the structural analyses, it reveals that the strain-induced ferromagnetism observed in LCO epitaxial film originates from an increase of the mean Co–O bond length and a suppression of the CoO6 octahedral rotations, which can stabilize higher spin state of Co3+ by a decrease of the eg~t2g gap energy.

Beam position measurement system at HIRFL-CSRm

Li Min,Xiao Guoqing,Mao Ruishi,Zhao Tiecheng,Yuan Youjin,Li Weilong,Zhou Kai,Kang Xincai,Li Peng,Li Juan 한국원자력학회 2023 Nuclear Engineering and Technology Vol.55 No.4

Beam position measurement system can not only provide the beam position monitoring, but also be used for global orbit correction to reduce beam loss risk and maximize acceptance. The Beam Position Monitors (BPM) are installed along the synchrotron to acquire beam position with the front-end electronics and data acquisition system (DAQ). To realize high precision orbit measurement in the main heavy ion synchrotron and cooling storage ring of heavy-ion research facility in Lanzhou (HIRFL-CSRm), a series of alignment and calibration work has been implemented on the BPM and its DAQ system. This paper analyzed the tests performed in the laboratory as well as with beam based on the developed algorithms and hardware. Several filtering algorithms were designed and implemented on the acquired BPM raw data, then the beam position and resolution were calculated and analyzed. The results show that the position precision was significantly improved from more than 100 μm to about 50 μm by implementing the new designed filtering algorithm. According to the analyzation of the measurement results and upcoming physical requirements, further upgrade scheme for the BPM DAQ system of CSRm based on field programmable gate array (FPGA) technology was proposed and discussed.