Results 31 to 40 of about 2,094,173 (188)

Mineralogical characterization of natural clays from Brazilian Southeast region for industrial applications

open access: yesCerâmica
Characterization studies of clays are often performed to identify possible markets for these materials. Bearing this in mind, two samples of natural clays from the Southeast region of Brazil were studied.
N. I. Alvarez Acevedo   +2 more
doaj   +1 more source

Genome-inspired molecular identification in organic matter via Raman spectroscopy

open access: yes, 2016
Rapid, non-destructive characterization of molecular level chemistry for organic matter (OM) is experimentally challenging. Raman spectroscopy is one of the most widely used techniques for non-destructive chemical characterization, although it currently ...
Bryndzia, L. Taras   +3 more
core   +1 more source

A review of semiconductor photocatalyst characterization techniques

open access: yesReviews in Analytical Chemistry
Photocatalysis is expected to solve both energy and environmental problems at the same time. Photocatalysis technology has received increasing attention, and systematically understanding the reaction mechanism of the photocatalytic process is very ...
Hao Chunnan   +8 more
doaj   +1 more source

The “Forgotten” Hydroxyapatite Crystals in Regenerative Bone Tissue Engineering: A Critical Review

open access: yesCrystals
Bone regeneration using Bone Morphogenetic Proteins (BMPs) alongside various engineered scaffolds has attracted considerable attention over the years.
Anastasios-Nektarios Tzavellas   +9 more
doaj   +1 more source

Ambient air contamination: Characterization and detection techniques [PDF]

open access: yes, 1985
Techniques to characterize and detect sources of ambient air contamination are described. Chemical techniques to identify indoor contaminants are outlined, they include gas chromatography, or colorimetric detection.
Nulton, C. P., Silvus, H. S.
core   +1 more source

Fabrication, characterization, fouling behavior and performance study of ceramic microfiltration membranes for oily wastewater treatment

open access: yesJournal of Asian Ceramic Societies, 2019
Four types of low-cost, high-performance ceramic microfiltration membranes have been fabricated and characterized using different analytic approaches for oily wastewater treatment.
Yaser Rasouli   +2 more
doaj   +1 more source

Surface Acoustic Waves in Thin Films Nanometrology [PDF]

open access: yes, 2015
Thin films nanometrology is an emerging field in nanoscience as the synthesis, processing and applications of nanostructured thin films require an in-depth knowledge of their elastic constants. The elastic energy of a surface acoustic wave propagating in
BETTUCCI, Andrea
core   +1 more source

Physical and mechanical properties of biological materials

open access: yesRevista Ciência Agronômica, 2021
A relevant characteristic of agricultural products is the close association between their complex geometry and material constitution. A study of the mechanical behavior of biological materials should involve a detailed analysis of the laws of solid ...
Inacio Maria Dal Fabbro   +6 more
doaj   +1 more source

Spectroscopic characterization of graphene films grown on Pt (111) surface by chemical vapor deposition of ethylene [PDF]

open access: yes, 2013
This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature.
Benedek   +44 more
core   +2 more sources

Twinning-mediated anomalous alignment of rutile films revealed by synchrotron X-ray nanodiffraction

open access: yesiScience, 2021
Summary: Nanotwin structures in materials engender fascinating exotic properties. However, twinning usually alter the crystal orientation, resulting in random orientation and limited performances.
Yang Lu   +7 more
doaj   +1 more source

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