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Article
Publication date: 22 June 2020

Zhanshe Guo, Taiyi Zhang, Xiangdang Liang and Yutong Wang

The study of vascular mechanics is important. The purpose of this paper is to present an apparatus to measure the biomechanical properties of blood vessels, which can be…

Abstract

Purpose

The study of vascular mechanics is important. The purpose of this paper is to present an apparatus to measure the biomechanical properties of blood vessels, which can be used for tensile test and fatigue test.

Design/methodology/approach

This equipment consists of a mechanical test platform, a hardware circuit based on FPGA and control software. The torque generated by stepper motor is converted to axial force by ball screw, and the vascular specimen is stretched axially. The tension is measured by a load cell, and the displacement is recorded by a grating displacement sensor.

Findings

According to the results of calibration experiment and stability experiment, the linearity error of the system is 0.251, the hysteresis error is 0.047, the repeatability error is 0.185, the comprehensive error is 0.315 and the standard deviation of the output is less than 0.01 N. A test of animal vascular mechanical properties was carried out, and the results are consistent with the theory.

Originality/value

This apparatus is designed to measure biomechanical properties of blood vessels, and the results of experiments indicate that it is stable and reliable. This work is valuable for studying vascular disease and testing artificial blood vessels.

Details

Sensor Review, vol. 40 no. 4
Type: Research Article
ISSN: 0260-2288

Keywords

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Article
Publication date: 26 October 2020

Shpresim Domi and Fabjola Domi

The purpose of this paper is to examine the interplay of skill-enhancing human resources practices, customer orientation (CO) and tourism small- and medium-sized…

Abstract

Purpose

The purpose of this paper is to examine the interplay of skill-enhancing human resources practices, customer orientation (CO) and tourism small- and medium-sized enterprises (SMEs) performance indicators.

Design/methodology/approach

Data for 194 valid cases are gathered through face-to-face techniques in Albanian tourism SMEs. Structural equation modeling is implemented to analyze data and test the hypothesis proposed.

Findings

Overall, both skill-enhancing human resources (HR) practices (i.e. recruitment/selection and training) are not associated with SMEs performance. Results suggest that using HR selection/recruitment practices are not associated to SME’s CO. Contrary, implementing skill-enhancing HR training practices is significant for SMEs strategy to focus and address customers’ wants and needs. Finally, it was found that the CO mediates the relationship between skill-enhancing HR training practices and performance, but this was not true on the skill-enhancing HR recruitment/selection practices-performance relationship.

Originality/value

This study makes contributions by further informing the debate about the direct and indirect link between skill-enhancing HR practices and performance. Additionally, it examines the precise role of the skill-enhancing HR practice on SMEs’ culture and or strategy to create value for customers.

Details

European Journal of Training and Development, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2046-9012

Keywords

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