Results 21 to 30 of about 18,287 (228)

The Use of a Natural Polysaccharide as a Solidifying Agent and Color-Fixing Agent on Modern Paper and Historical Materials

open access: yesOrganics, 2023
This article presents results on the use of a new material as a solidifying agent and/or color-fixing agent. A special polysaccharide material extracted from the prickly pear cactus (Opuntia ficus indica) was tested on historical materials and modern ...
Lucia Emanuele   +4 more
doaj   +1 more source

On the Book Thickness of 1-Planar Graphs

open access: yesCoRR, 2015
In a book embedding of a graph G, the vertices of G are placed in order along a straight-line called spine of the book, and the edges of G are drawn on a set of half-planes, called the pages of the book, such that two edges drawn on a page do not cross each other. The minimum number of pages in which a graph can be embedded is called the book-thickness
Md. Jawaherul Alam   +2 more
openaire   +2 more sources

An introduction to neutron reflectometry [PDF]

open access: yesEPJ Web of Conferences, 2020
Specular neutron reflectivity is a neutron diffraction technique that provides information about the structure of surfaces or thin films. It enables the measurement of the neutron scattering length density profile perpendicular to the plane of a surface ...
Cousin Fabrice, Fadda Giulia
doaj   +1 more source

Upper Pedicle Breast Flap [PDF]

open access: yesRevista Brasileira de Cirurgia Plástica, 2020
Introduction: Here we propose a tactic to fill the upper poles of breasts that are emptied by ptosis in primary and secondary cases to obtain anatomically beautiful breasts with sufficient breast volume.
Antônio Roberto Bozola   +1 more
doaj   +1 more source

Editorial for the Special Issue: “Ten Years of Remote Sensing at Barcelona Expert Center”

open access: yesRemote Sensing, 2020
This book celebrates the ten year anniversary of the Barcelona Expert Center by presenting recent contributions related to the topics on which the team has been working during those years.
Justino Martínez   +3 more
doaj   +1 more source

Ultrasonography indicators for predicting difficult intubation: a systematic review and meta-analysis

open access: yesBMC Emergency Medicine, 2021
Background Ultrasonography (US) is recently used frequently as a tool for airway assessment prior to intubation (endotracheal tube (ETT) placement), and several indicators have been proposed in studies with different reported performances in this regard.
Mehran Sotoodehnia   +4 more
doaj   +1 more source

Matching Book Thickness of Halin Graphs

open access: yes, 2020
The proof in the manuscripts can be ...
Shao, Zeling, Geng, Huiru, Li, Zhiguo
openaire   +2 more sources

The peatland map of Europe [PDF]

open access: yesMires and Peat, 2017
Based on the ‘European Mires Book’ of the International Mire Conservation Group (IMCG), this article provides a composite map of national datasets as the first comprehensive peatland map for the whole of Europe. We also present estimates of the extent of
F. Tanneberger   +4 more
doaj   +1 more source

The methodology for calculating book backbones

open access: yesMokslas: Lietuvos Ateitis, 2010
The article describes the methods of calculating the width of book back. One of the calculation methods used in the printing house was tested. On the basis of the experimental data, the calculation formula is proposed.
Rūta Alūzienė, Jonas Sidaravičius
doaj   +1 more source

Experimental Determination of the Influence of Adhesives on the Formation of Natural Angles of Opening Book Blocks

open access: yesТехнологія і техніка друкарства, 2018
For the production of book products of intensive and long-term use, providing durability and durability of adhesive joints of the roots of book blocks, seamed threads, creates grounds for observance of the basic indicators of operational reliability of ...
Олександр Олександрович Палюх
doaj   +1 more source

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