Results 11 to 20 of about 124,217 (245)

Silicon recovery from silicon-iron alloys by electrorefining in molten fluorides [PDF]

open access: yes, 2013
Electrorefining of a silicon-iron material (Si-4.7at%Fe) in molten NaF-KF at 850°C has been investigated in view of recovering pure Si, using electrochemical techniques, SEM-EDS and ICP-AES analyses.
Bieber, Anne-Laure   +5 more
core   +4 more sources

Prophylactic efficiency of glass-ionomer fissure sealant [PDF]

open access: yesHemijska Industrija, 2007
One of the most efficient prophylactic measures in caries prevention is sealing pits and fissures. After improvements of physical and mechanical properties, glass-ionomers are frequently used as sealing materials.
Petrović Bojan B.   +2 more
doaj   +1 more source

Electrochemical extraction of europium from molten fluoride media [PDF]

open access: yes, 2009
This work concerns the extraction of europium from molten fluoride media. Two electrochemical ways have been examined: (i) the use of a reactive cathode made of copper and (ii) the co-deposition with aluminium on inert electrode, leading to the formation
Cassayre, Laurent   +4 more
core   +3 more sources

Comparative Analysis on Several Test Methods of Tin Content in Copper/Tin Plating Coating [PDF]

open access: yesCailiao Baohu, 2022
In this paper, the contents of main components of copper/tin plating coating on the surface of hydraulic cylinder were compared and analyzed by potassium iodate titration method, inductively coupled plasma atomic emission spectrometry (ICP - AES ...
SUN Wentao, ZHOU Lifeng, FANG Lei, ZHONG Qingfu, XU Guoqiang, QI Jiantao
doaj   +1 more source

Synthesis of Silver Nanoparticles using Cellulose and Starch Extracted from Brewer Spent Grain: Assessment of their Antimicrobial and Preservatives Activities

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2023
Non-porous materials like cellulose and starch can be extracted from agro- industrial wastes and incorporated with nanoparticles for effective biotechnological purposes. In this study, silver nanoparticles (AgNps), silver-cellulose nanoparticles (AgNps-C)
Clement Olusola Ogidi   +4 more
doaj   +1 more source

A novel hybrid material with calcium and strontium release capability [PDF]

open access: yes, 2012
The preparation of PDMS–TEOS–CaO hybrid materials by sol–gel techniques has been widely described in previous works. Calcium nitrate is the most common source of calcium used in these preparations.
António G.B. Castro   +24 more
core   +2 more sources

Microstructure, Shape Memory Effect, Chemical Composition and Corrosion Resistance Performance of Biodegradable FeMnSi-Al Alloy

open access: yesCrystals, 2023
The medical applications of degradable iron-based biomaterials have been targeted by re-searchers due to their special properties that they present after alloying with various elements and different technological methods of obtaining.
Ana-Maria Roman   +10 more
doaj   +1 more source

Corrosion behaviour of nitrided ferritic stainless steels for use in solid oxide fuel cell devices

open access: yes, 2020
Plasma nitriding was applied to ferritic stainless steel substrates to improve their performances as interconnects for solid oxide fuel cell devices. The samples underwent electrical conductivity test and SEM/EDS, TEM/EDS, environmental-SEM analyses. The
Bianco, M.   +7 more
core   +1 more source

Micro-EDXRF, SEM-EDS and OM characterisation of tin soldering found in handle attachments of Roman situlae from Conimbriga (Portugal) [PDF]

open access: yes, 2018
Tin (Sn) or a Sn-rich solder applied to copper-based artefacts has been frequently used at least, since the Ancient Greece, although scarce studies have been published concerning the technology of this metallurgical joining technique.
Araújo, M.F.   +5 more
core   +1 more source

Farklı Konsantrasyonlarda Hidrojen Peroksit İçeren Ofis Tipi Ağartma Ajanlarının Mine Minarel Değişimine Etkisinin Değerlendirilmesi

open access: yesSelcuk Dental Journal, 2022
Amaç:Bu çalışmanın amacı, farklı konsantrasyonlarda hidrojen peroksit (HP) içeren ofis tipi ağartma ajanlarının mine kalsiyum (Ca) ve fosfor (P) değişimine olan etkilerini taramalı elektron mikroskobu (SEM) ve enerji dağılım X-ışını spektrometrisi (EDS ...
Hanife Altınışık
doaj   +1 more source

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