Results 41 to 50 of about 1,530,649 (296)

Mechanics of novel asymmetrical re-entrant metamaterials and metastructures [PDF]

, 2022
In this work, we evaluate the mechanical performance of an innovative asymmetrical re-entrant metamaterial configuration via finite element (FEM) models.
Li, Zhenyu, Wang, Xintao, Wang, Jinwu, Zhang, Wenjiao, Scarpa, Fabrizio   +4 more
core   +1 more source

Comparative Investigation of Compression and Energy Absorption Performance of Modified Re-Entrant Auxetic Structures

International Journal of Automotive Science and Technology
In this study, the collision behaviors of three different auxetic unit cell designs (diagonal re-entrant, split re-entrant, and arrowhead re-entrant) with negative Poisson's ratios used in energy absorption and available in the literature were ...
Mahmut Buğra Yıldız, Ali Rıza Yıldız   +1 more
doaj   +1 more source

A Bibliometric Analysis of Publications in Uremic Toxins From 1991 to 2024

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Uremic toxins are a growing area of research in nephrology, with significant implications in the progression and treatment of chronic kidney disease (CKD) and the management of end‐stage kidney disease (ESKD). This bibliometric analysis aims to evaluate the global research trends, key contributors, and the impact of publications in ...
Yuh‐Shan Ho, Karim M. Soliman, Wisit Cheungpasitporn, Wannasit Wathanavasin, Ahmed Daoud, Ahmed I. Kamal, Balázs Szamosfalvi, Tibor Fülöp   +7 more
wiley   +1 more source

Impact Response of Re-Entrant Hierarchical Honeycomb

Materials, 2023
Here, hexagonal and triangular lattices are layered and merged into a re-entrant honeycomb to replace each cell wall of the re-entrant honeycomb. In order to study the crushing behavior of the new variable-angle-variable-substructure-number-gradient honeycomb, a finite element analysis of in-plane and out-of-plane crushing was carried out.
Jinming Lian, Zhenqing Wang
openaire   +2 more sources

Development and Characterization of Re-Entrant Auxetic Fibrous Structures for Application in Ballistic Composites [PDF]

, 2018
Auxetic fibrous structures and composites with negative Poisson’s ratio (NPR) have huge potential for application in ballistic protection due to their high energy absorption and excellent impact resistance.
Gonçalves, Clara, Pedro Nunes, Dias, Gustavo, Magalhães, Rui, Gustavo Dias, Clara Gonçalves, Rui Magalhães, Raul Fangueiro, Rana, Sohel, Fangueiro, Raúl, Pereira, João Pedro Nunes, Sohel Rana   +11 more
core   +1 more source

Re-Entrant Honeycomb Auxetic Structure with Enhanced Directional Properties

, 2022
This paper presents a modified re-entrant honeycomb auxetic structure. The structure is constructed by adding an additional horizontal member between the vertical and re-entrant member of the semi-re-entrant honeycomb model to increase the overall ...
Asad A. Zaidi, Essam R. I. Mahmoud, Mahmoud, Essam R. I., Khan, Sohaib Z., Farrukh Mustahsan, Alahmadi, Yaser H., Yaser H. Alahmadi, Hamad Almohamadi, Sohaib Z. Khan, Almohamadi, Hamad, Zaidi, Asad A., Mustahsan, Farrukh   +11 more
core   +1 more source

Variation Characteristics of Formation and Development of Ventilated Supercavity at Low Froude Numbers

Shanghai Jiaotong Daxue xuebao, 2021
To study the variation characteristic of supercavity shape and gas-leaking mode in the initial generation and development process of a ventilated supercavity, a 3-D numerical model considering the compressibility of the ventilated gas and gravity effect ...
XU Haiyu, LUO Kai, HUANG Chuang, ZUO Zhenhao, GU Jianxiao
doaj   +1 more source

Prognosis of Long‐Term Continuous Renal Replacement Therapy and the Impact of Combined Continuous Intravenous Sodium Infusion Therapy

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Patients requiring long‐term continuous renal replacement therapy (CRRT) generally have poor prognoses. This study evaluated whether adding continuous intravenous sodium infusion (cIVNa) is associated with improved hemodynamics and outcomes in patients undergoing long‐term CRRT for ≥ 7 days.
Akinori Yamaguchi, Atsuyoshi Mita, Kosuke Sonoda, Makoto Harada, Koji Hashimoto, Hiroshi Imamura, Yuji Kamijo   +6 more
wiley   +1 more source

Non-Re-Entrant Atrioventricular Nodal Tachycardia [PDF]

Military Medicine, 2009
Supraventricular tachycardia caused by AV nodal dual conduction is usually re-entry tachycardia. We report a case of a 40-year-old man with incessant supraventricular tachycardia caused by simultaneous conduction via slow and fast AV nodal pathway. The patient was successfully treated with catheter ablation of slow AV nodal pathway, the treatment of ...
Ludek, Haman, Rudolf, Praus, Petr, Parizek   +2 more
openaire   +2 more sources

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

FEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi, Pilar Samperio Ventayol, Natalie Burkard, Nicolas Schlegel, Carmen Aguilar, Sina Bartfeld   +5 more
wiley   +1 more source