Results 1 to 10 of about 3,583,834 (259)

A Finite Element Investigation on Material and Design Parameters of Ventricular Septal Defect Occluder Devices

open access: yesJournal of Functional Biomaterials, 2022
Background and Objective: Ventricular septal defects (VSDs) are the most common form of congenital heart defects. The incidence of VSD accounts for 40% of all congenital heart defects (CHDs).
Zhuo Zhang   +7 more
doaj   +1 more source

Nanostructured Coatings (Ti,Zr)N as a Barrier to Hydrogen Diffusion into Ti0.16Pd (wt.%) Alloy

open access: yesMetals, 2021
The results of a study of structure, phase, and chemical compositions of nanostructured (Ti,Zr)N coatings formed by vacuum arc deposition on Ti0.16Pd (wt.%) alloy substrates are reported.
Aleksandr Lotkov   +7 more
doaj   +1 more source

CASE REPORT OF TWO SUCCESSFUL PREGNANCY OUTCOMES AFTER RADICAL TRACHELECTOMY

open access: yesСибирский онкологический журнал, 2021
Currently, the development and implementation of organ-preserving methods for patients of reproductive age are the treatment priorities in modern oncology.
A. L. Chernyshova   +7 more
doaj   +1 more source

Perspectives of using a microsurgical device made of titanium nickelide in complicated cataract surgery

open access: yesОфтальмохирургия, 2020
Purpose. To examine the possibility of using a tool with variable shape geometry of the operational section of titanium nickelide for small incision surgery to remove complicated cataract.Material and methods.
A. N. Steblyuk   +5 more
doaj   +1 more source

Reversibly Photoswitchable High‐Aspect Ratio Surfaces

open access: yesSmall Structures, 2023
Herein, the fabrication of light‐sensitive high‐aspect ratio surfaces with switchable topography using melt‐electrowriting of shape‐memory polymers and deposition of light‐to‐heat converting black ink on it by dip coating is reported on.
Gissela Constante   +4 more
doaj   +1 more source

Shape Memory Polymer Foam for Autonomous Climate-Adaptive Building Envelopes

open access: yesBuildings, 2022
Reducing the continuously growing cooling energy demand of buildings is an important part of achieving global emission targets. Here, we present an innovative scenario of how the integration of a programmable material into a climate-adaptive building ...
Mario Walter   +7 more
doaj   +1 more source

Two-Way Shape Memory Effect of a Shape Memory Composite Strip

open access: yesApplied Sciences, 2023
In this work, a NiTi shape memory alloy (SMA) wire was embedded into a rubber/shape memory polymer (SMP) soft matrix to form a composite strip with a two-way reversible bending behavior.
Haiyang Du   +3 more
doaj   +1 more source

Shape Memory Properties and Microstructure of FeNiCoAlTaB Shape Memory Alloys

open access: yesCrystals, 2023
The three-point-bending shape memory properties, microstructure, and magnetic properties of Fe40.95Ni28Co17Al11.5Ta2.5B0.05 (at.%) alloys were investigated.
Li-Wei Tseng   +4 more
doaj   +1 more source

Comparative analysis of bone fixation in patients with uncomplicated multiple fractures and fracture-dislocations of the forearm [PDF]

open access: yesГений oртопедии, 2018
Introduction The functional anatomy of the forearm sets up requirements for the choice of fixation constructs and medical technologies of osteosynthesis to be used for particular localization and pattern of injury.
Aleksei A. Panov   +2 more
doaj   +1 more source

Two-way shape memory effect of Ni50.1Mn24.1Ga20.3 Fe5.5 shape memory alloy polycrystalline fiber

open access: yesCailiao gongcheng, 2021
Polycrystalline Ni-Mn-Ga-Fe fibers were prepared by melt-extraction technique. The internal stress and defects introduced by rapid solidification were modified by step-wise chemical ordering annealing.
LIU Yan-fen   +7 more
doaj   +1 more source

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