|
|
|
|
|
Haobo Jiao, Juming Luo, Aifei Tang, Lihong Wang, Chen Ma, Yaping Li and Chengsong Li
The amplitude of excitation force from exciters used in fruit tree vibration harvesting remains constant at a given frequency, leading to poor fruit detachment ratio and tree damage. A solution has been proposed through the development of a Double-Symmet...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shuaifeng Xing, Yang Yu, Guangqiao Cao, Jinpeng Hu, Linjun Zhu, Junyu Liu, Qinhao Wu, Qibin Li and Lizhang Xu
To address the issue of reduced yield in the second season caused by damaged stubbles resulting from being compressed during the harvesting process of the first season?s ratoon rice, a device for rectifying the compressed stubbles was designed. Utilizing...
ver más
|
|
|
|
|
|
|
|
|
|
|
Roberta Prado Mendes, Leonardo Carvalho Mesquita, Maurício Pina Ferreira, Leandro Mouta Trautwein, Markssuel Teixeira Marvila and Marília Gonçalves Marques
In reinforced concrete flat slab buildings, the transference of unbalanced moments in the slab?column connections usually results from the asymmetry of spans, vertical loads, and horizontal forces from the wind. The punching strength of the slab?column c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ahlam A. Abbood, Nazar Oukaili, Abbas A. Allawi and George Wardeh
This study aimed to evaluate the effectiveness of a novel concrete-encased column (CE) using small circular steel tubes filled with cementitious grouting material (GFST) as the primary reinforcement instead of traditional steel bars. The research involve...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jaime González-García, Manuel Conejero and Jorge Gutiérrez-Hellín
Understanding the reliability of jump testing is essential to determine the neuromuscular progress of athletes and make informed decisions. This study aimed to assess the reliability of several countermovement jump (CMJ) and drop jump (DJ) test metrics i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Limei Ma, Yongheng Zhang, Yuli Niu, Yong Zhao, Shaoya Guan, Zijing Wang and Tuoda Wu
Ball-shell rotors with non-standard shapes, non-uniform conductive coatings, and eccentric masses machined by conventional processes constrain the improvement of levitation and torque accuracy of magnetically levitated momentum balls. This paper focuses ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Carlos Burgos-Jara, Hugo Cerda-Kohler, Esteban Aedo-Muñoz and Bianca Miarka
Eccentric resistance training that focuses on the lengthening phase of muscle actions has gained attention for its potential to enhance muscle strength, power, and performance (among others). This review presents a methodological proposal for classifying...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sergio Miras-Moreno, Amador García-Ramos, John F. T. Fernandes and Alejandro Pérez-Castilla
This study aimed to compare and associate the magnitude of the load?velocity relationship variables between the multiple-point and two-point methods and between the concentric-only and eccentric?concentric prone bench pull (PBP) variants. Twenty-three re...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shan Zeng, Sigui Luo, Fei Wang, Xifan Lan, Xinrui Ma and Yuxin Lu
Squeeze film dampers are often used to suppress vibration in turbine engines and play an important role in rotor systems. In this paper, the nonlinear dynamic characteristics of an industrial turbine engine fitted with squeeze film dampers are investigat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Marco Centorbi, Giovanni Fiorilli, Giulia Di Martino, Andrea Buonsenso, Gabriele Medri, Carlo della Valle, Nicolina Vendemiati, Enzo Iuliano, Giuseppe Calcagno and Alessandra di Cagno
The aim of the study was to assess the effects of 8 weeks of resistance training using a flywheel device applied to upper limbs, compared to traditional isotonic training, on strength and shot precision in tennis. Twenty-seven elite senior tennis players...
ver más
|
|
|
|
|
|