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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N

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Shanxi Provincial Education Department

Taiyuan University of Technology

location： home> 2021,52(03)

Precise Analysis of the Bending Deformation of the Beam Based on the Chain Rule

In order to improve the accuracy of stiffness calculation and derive an accurate rotation angle function and a more accurate deflection function, bu using the chain rule, considering all the higher-order quantities, and combining the relations of higher-order quantities and geometric characteristics, the rotation angle function of the beam was accurately deduced, and the reason for the error of the traditional approximation method was revealed. Consequently a more accurate deflection function was...

Taiyuan University of technology 2021,52(03): ZHANG Xiaoqing LIU Han XU Yinsheng LI Zhiqiang. ;

PDFviewed：abstract

Size Effect of Aluminum Honeycomb Under Quasi-static Indentation

In this paper, three different shapes of indenters were used to perform quasi-static out-of-plane uniaxial compression and indentation tests on three commercial hexagonal aluminum honeycombs with different densities. In order to distinguish the different tearing conditions of the single-layer and double-layer aluminum honeycomb walls during indentation, a new indentation experiment was designed. By controlling the shape of pattern and the location of indentation, different tearing conditions in i...

Taiyuan University of technology 2021,52(03): JIAO Mengxue QIU Ji JIN Tao WANG Zhihua. ;

PDFviewed：abstract

Structural Design and Performance Study of High Power Density All-electric Fire Tongs

In order to solve the problems of high weight, low power to weight ratio, low efficiency, and oil leakage in the hydraulic system of the existing hydraulic tongs, a fully electric fire fighting system with innovative structure, high integration, portability, and single person operation was developed. According to the system composition and specific structure of HPEFT, the core components of HPEFT were calculated, designed, and selected. The strength of the tong head shell and main shell was check...

Taiyuan University of technology 2021,52(03): BAI Chuandong WANG Deyi WANG Haibo. ;

PDFviewed：abstract

Rolling Bearings Fault Diagnosis Method Integrating CEEMDAN-SVD and Cepstrum

Aiming at the non-stationary time-varying characteristics of rolling bearing fault signals, a fault diagnosis method for rolling bearings was proposed, which integrates complete ensemble empirical mode decomposition with adaptive noise(CEEMDAN), singular value decomposition(SVD) and cepstrum. By using CEEMDAN method, fault signals of rolling bearings are decomposed into a series of mode components, the correlation coefficient between each mode component and the fault signal of rolling bearing is ...

Taiyuan University of technology 2021,52(03): ZHENG Jinni BIAN Jie. ;

PDFviewed：abstract

Effects of Oxidative Stress on the Gene Expression of Antioxidant Enzymes, Inflammatory Cytokines an

In order to investigate the role of oxidative stress in the development of keratoconus, human keratoconic corneal fibroblasts(hKCFs.) were cultured and subjected to 100 μmol/L H2O2 in vitro. The expression of gene of antioxidant enzymes, inflammatory cytokines, MMPs, TIMPs, Collagen I and LOXLs was determined by real-time fluorescent quantitative PCR. Our results show that the expression of SOD-2, HO-1, NQO-1, ICAM-1, IL-1β/-6/-8 and MMP-1/-3 was significantly up-regulated, and the the expressi...

Taiyuan University of technology 2021,52(03): SONG Yifei LI Xiaona WANG Sijia HE Rui YANG Jizhong WU Tingting. ;

PDFviewed：abstract