Results 81 to 90 of about 748,617 (311)

Rare books as historical objects: a case study of the Elmer E. Rasmuson Library rare books collection [PDF]

open access: yes, 2016
Thesis (M.S.) University of Alaska Fairbanks, 2015Once upon a time all the books in the Arctic were rare books, incomparable treasures to the men and women who carried them around the world.
Korotkova, Ulyana Aleksandrovna   +1 more
core  

From Clinic to Computation: Multiscale Bioengineering Strategies for Durable Biological Aortic Valve Replacements

open access: yesAdvanced Functional Materials, EarlyView.
Bioprosthetic aortic valves have revolutionized the treatment of aortic stenosis, but their durability is limited by structural valve deterioration (SVD). This review focuses on the pericardial tissue at the heart of these valves, examining how its mechanical properties and calcification drive fatigue and failure.
Gabriele Greco   +7 more
wiley   +1 more source

Efficacy evaluation of different bleaching methods on different types of natural teeth

open access: yesDi-san junyi daxue xuebao, 2019
Objective To investigate the efficacy of different bleaching methods on the different types of natural teeth in aesthetic area. Methods Forty patients undergoing natural tooth bleaching in our department of prosthetics from November 2018 to January 2019 ...
ZHOU Nazi, ZHOU Nazi, ZHOU Nazi, WANG Lu
doaj   +1 more source

In Situ 3D Bioprinting: Impact of Cross‐Linking on the Adhesive Properties of Hydrogels

open access: yesAdvanced Functional Materials, EarlyView.
In situ 3D bioprinting enables the direct deposition of cell‐laden, adhesive biomaterials for on‐site tissue regeneration. This review provides a comprehensive overview of how cross‐linking influences the bioadhesive properties of hydrogels used in 3D bioprinting, highlighting cross‐linking triggers, bioadhesion mechanisms, polymer interpenetration ...
Odile Romero Fernandez   +4 more
wiley   +1 more source

Exploring environmental cues to instigate physical movement in the workplace

open access: yesHealth Psychology and Behavioral Medicine
Background With the increase of sedentary jobs and the health risks associated with a sedentary lifestyle, finding novel methods to increase physical activity should be a priority.
Kailas Jenkins   +3 more
doaj   +1 more source

The economics of paper consumption in offices

open access: yesJournal of Business Economics and Management, 2019
This paper explores the factors potentially responsible for the overconsumption of office paper and estimates the adverse environmental and economic impact of overconsumption.
Iqtidar Ali Shah   +2 more
doaj   +1 more source

The Effect of Print Angulation on the Accuracy and Precision of 3D-Printed Orthodontic Retainers [PDF]

open access: yes, 2020
Purpose: The aims of this study were: 1) to compare the accuracy and precision of 3- dimensional (3D) printed retainers at various angulations, 2) to evaluate the effect of angulation on printing time and the amount of resin consumed.
Williams, Allison
core   +1 more source

Triplet‐Triplet Annihilation Enhances Photochemical Curing Contrast for Vat‐Based 3D Printing

open access: yesAdvanced Functional Materials, EarlyView.
Triplet–triplet annihilation photopolymerization (TTAP) resins enhance curing contrast for digital light processing (DLP) 3D printing compared to conventional Type I and II photopolymerizations at matched optical densities. By exploiting a superlinear initiation response, TTAP preserves fine details, allowing reliable fabrication of complex structures ...
Connor J. O'Dea   +2 more
wiley   +1 more source

Translations Of The World’s Literature

open access: yesTürk Kütüphaneciliği, 2018
This study investigates the translation of books that have several names like “Translations from World Literature”, “Classics of Ministry of National Education”.
Kenan Erzurum
doaj  

How Much Does the Federal Government Spend to Promote Economic Mobility and for Whom? [PDF]

open access: yes, 2008
Tracks and projects federal expenditures and tax subsidies aimed at enhancing economic mobility, such as employer-related work subsidies, homeownership, savings and investment incentives, and education and training, and who benefits from ...
Adam Carasso   +2 more
core  

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