Results 11 to 20 of about 80,277 (234)

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

Does dentine mineral change with anatomical location, microscopic site and patient age?

open access: yesJournal of Structural Biology: X, 2022
Objective: To determine the effect of patient age (young or mature), anatomical location (shallow/deep and central/peripheral) and microscopic site (intertubular/peritubular) on dentine mineral density, distribution and composition.
Arosha T. Weerakoon   +7 more
doaj   +1 more source

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

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

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

Influence of Interfacial Oxides Formed During Dry Sliding Wear of NiCrBSiCFe Plasma Coating on AISI 316 Steel Substrates

open access: yesHigh Temperature Materials and Processes, 2014
Recent thermal spray processes such as plasma spraying are usually employed to deposit Nickel–Chromium coatings onto the AISI 316 steel substrates to improve the wear resistance.
Parthasarathi N. L.   +2 more
doaj   +1 more source

COMPOSITION OF CHEMICAL INGREDIENTS IN SUGARCANE BAGASSE ASH WITH VARIATION OF FINAL CALCINATION TEMPERATURE

open access: yesJurnal Pensil, 2023
Cement production worldwide contributes at least a 9% increase in CO2 emissions. Industrial or agricultural waste can cause serious problems for the environment. One of the wastes that can be used as SCM from agricultural waste is sugar cane.
Anisah   +4 more
doaj   +1 more source

Phase Transformations and Structural Transformations of Manganese Silicides in the Si-Mn System

open access: yesEast European Journal of Physics
A comprehensive investigation of thermally induced phase transformations in the silicon-manganese (Si–Mn) system was conducted. The study utilized X-ray diffraction (XRD), Raman spectroscopy (including chemical Raman mapping), scanning electron ...
Sh.B. Utamuradova   +4 more
doaj   +1 more source

Automated mineralogy (SEM-EDS) approach to sandstone reservoir quality and diagenesis

open access: yesFrontiers in Earth Science, 2022
Porosity and permeability define the reservoir quality of a sandstone. Porosity and permeability are controlled by primary sedimentary characteristics and subsequent diagenetic modification.
Richard H. Worden, James E. P. Utley
doaj   +1 more source

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