Results 31 to 40 of about 25,943 (301)

Infrared chemical mapping of degradation products in cross-sections from paintings and painted objects

open access: yesHeritage Science, 2019
Paintings and painted objects are quite susceptible to degradation, as paint layers are usually composed of complex mixtures of materials that can participate in chemical degradation processes.
Eric J. Henderson   +3 more
doaj   +1 more source

Direct synthesis of mesoporous silica containing cobalt: A new strategy using a cobalt soap as a co-template [PDF]

open access: yes, 2007
A novel approach to incorporate transition metals into porous structures is presented, which makes use of a cobalt soap in combination with the templating agent C16TMABr.
Braunstein, Pierre   +8 more
core   +3 more sources

Farmer Friendly Options for Sterilizing Farm Tools for the Control of Xanthomonas Wilt Disease of Banana

open access: yesFrontiers in Agronomy, 2021
The adoption of tool sterilization using either 3.5% sodium hypochlorite (household bleach) or fire, a core element of the cultural control packages for Xanthomonas wilt (XW) of banana has been poorly adopted hampering XW control in East and Central ...
Walter Ocimati   +2 more
doaj   +1 more source

Modelling the Interaction between Carboxylic Acids and Zinc Oxide: Insight into Degradation of ZnO Pigments

open access: yesMolecules, 2022
Computational modelling applied to cultural heritage can assist the characterization of painting materials and help to understand their intrinsic and external degradation processes.
Jihan Lubani   +4 more
doaj   +1 more source

Intensified processes for FAME production from waste cooking oil: a technological review [PDF]

open access: yes, 2013
This article reviews the intensification of fatty acid methyl esters (FAME) production from waste cooking oil (WCO) using innovative process equipment. In particular, it addresses the intensification of WCO feedstock transformation by transesterification,
Aubin, Joelle   +2 more
core   +3 more sources

Technical examination of Liu Kang’s Paris and Shanghai painting supports (1929–1937)

open access: yesHeritage Science, 2021
This article presents an overview of Liu Kang’s (1911–2004) canvas painting supports from his early artistic phases, Paris (1929–1932) and Shanghai (1932–1937).
Damian Lizun   +2 more
doaj   +1 more source

Artificial biomineralisation and metallic soaps [PDF]

open access: yes, 1998
In this thesis, geometry is used as a basis for conducting experiments aimed at growing and arranging inorganic minerals on curved interfaces. Mineralisation is directed using crystalline and liquid-crystalline metallic soaps and surfactant/water systems
Corkery, Robert
core   +1 more source

Oleochemicals I: Studies on the preparation and the structure of lithium soaps.

open access: yesGrasas y Aceites, 1999
Lithium stéarate, palmitate, myristate, laurate, caprate and caprylate were prepared by means of fusion method. Elementary analysis and the infrared absorptions spectra of the prepared lithium soaps as well as their X-ray diffractions and the ...
Zein E. Shoeb   +2 more
doaj   +1 more source

Combined Use of Non-Invasive and Micro-Invasive Analytical Investigations to Understand the State of Conservation and the Causes of Degradation of I Tesori del Mare (1901) by Plinio Nomellini

open access: yesMethods and Protocols, 2022
In this study, the investigation of the oil painting on canvas I Tesori del Mare made by Plinio Nomellini in 1901 is presented. The aim of the research was threefold: the examination of the state of conservation in view of the restoration treatment ...
Andrea Macchia   +8 more
doaj   +1 more source

Electrochemical deposition of a copper carboxylate layer on copper as potential corrosion inhibitor [PDF]

open access: yes, 2012
Carboxylic acids and sodium carboxylates are used to protect metals against aqueous and atmospheric corrosion. In this paper we describe the application of a layer of copper carboxylate on the surface of a copper electrode by means of cyclic voltammetry ...
Adriaens, Mieke   +3 more
core   +1 more source

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