Results 11 to 20 of about 21,705 (266)

A Methodology to Design Broadband Negative Inductors with Tight Tolerance for Microwave Applications

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2023
Introduction. Non-Foster elements (NFEs) mimic behavior of hypothetical negative inductors or capacitors in a certain frequency band. NFEs are used to compensate reactance of conventional inductors and capacitors that allows designing broadband microwave
B. S. Buiantuev   +3 more
doaj   +1 more source

La propuesta inmanentista de Amartya Sen para la justicia global

open access: yesIsegoría, 2010
En The Idea of Justice (TIJ) de Amartya Sen se presenta una propuesta para comprender y defender la justicia global, alejada de las teorías de la justicia que se apoyan en el contrato social y en nociones institucionales trascendentales.
J. Francisco Álvarez
doaj   +1 more source

Shape memory compression anastomosis clips in gastrointestinal surgery in dogs

open access: yesVeterinární Medicína, 2016
This paper describes clinical experiences with the use of shape memory nickel-titanium (NiTi) clips in gastrointestinal surgery in dogs. Side-to-side small bowel anastomosis was performed in eight dogs where intestinal continuity had to be restored after
P. Holak, Z. Lekston
doaj   +1 more source

Processing of Porous NITI Preforms for NITI/MG Composites

open access: yesArchives of Metallurgy and Materials, 2019
NiTi alloys are successfully used in engineering and medical applications because of their properties, such as shape memory effect, superelasticity or mechanical strength. A composite with Mg matrix, due to its vibration damping properties, can be characterized by low weight and good vibration damping properties.
A. Kucharczyk, K. Naplocha, M. Tomanik
openaire   +2 more sources

Comparative Evaluation of the Shaping Ability of Five Different Nickel-Titanium Rotary File Systems in Simulated Canals

open access: yesCumhuriyet Dental Journal, 2022
Objectives: The aim of this study was to compare the simulated canal shaping efficiencies of five different NiTi rotary file systems. Materials and Methods: In the study, 100 transparent resin blocks with J-shaped canals were randomly divided into five ...
Demet Altunbaş, Ömer Bilgin
doaj   +1 more source

Evaluation of Nickel and Chromium Ion Release from Stainless Steel, HANT and NiTi Arch Wires in Two 28-day Time Spans [PDF]

open access: yesIranian Journal of Orthodontics, 2015
Background: Stainless steel and Nickel Chromium alloys show special mechanical features, which has made them the most common materials for fabrication of orthodontic arch wires.
Sepideh Arab   +4 more
doaj   +1 more source

In vitro corrosion behaviour of phenolic coated nickel–titanium surfaces

open access: yesBiosurface and Biotribology, 2019
The biocompatibility of implantable nickel–titanium biomaterials relies on the quality of their surfaces. In this study, nickel–titanium surfaces are coated with phenolic thin films of tannic acid and pyrogallol with the purpose of studying their ...
Simon Longela, Athanasios Chatzitakis
doaj   +1 more source

A method to determine the accuracy of shape setting thin, spirally shaped Nitinol wires

open access: yesCurrent Directions in Biomedical Engineering, 2021
Electric stimulation of the auditory nerve using a cochlear implant (CI) is presumed to be superior when the electrode array (EA) is placed close to the inner wall of the cochlea. Nitinol is investigated as an actuator that enables an intracochlear shape
Ehmann Tim   +3 more
doaj   +1 more source

Ajaran Kepemimpinan Niti Sastra dalam Seva Niti

open access: yesSphatika: Jurnal Teologi, 2020
<p>Nitisastra is the teachings of leaders, which also means knowledge that aims to build a state both in terms of governance, governance and community governance. In connection with the development of the state, government and society based on Nitisastra, the teachings of Hinduism can provide moral values from the form of development.
Made Nugi Nugraha   +1 more
openaire   +2 more sources

Identification of Key Sectors in Nigeria – Evidence of Backward and Forward Linkages from Input-Output Analysis [PDF]

open access: yesSocioEconomic Challenges, 2022
The input-output table provides summary information on the industrial structure of an economy in a specific period. This table contains information on the flow of goods and services between industries and economic sectors.
Dayo Ojaleye, Badri Narayanan
doaj   +1 more source

Home - About - Disclaimer - Privacy