Results 251 to 260 of about 764,725 (311)

Preparation and Performance Evaluation of a Self‐Generated Particle Plugging Agent Based on Thermosetting Resin

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT A thermosetting in situ curing resin microsphere system has been developed. It has controllable phase transition time and particle size. This system addresses the current challenges of low strength, shear susceptibility, and short phase transition time in polymer microsphere blockers and thermoplastic particle blockers.
Baolei Jiao, Lifeng Chen, Minghao Xue, Xuemin Yan, Jiamin Zhang, Feifan Liu   +5 more
wiley   +1 more source

Glass-Ceramic Materials with Luminescent Properties in the System ZnO-B₂O₃-Nb₂O₅-Eu₂O₃. [PDF]

Molecules
Aleksandrov L, Yordanova A, Milanova M, Iordanova R, Tzvetkov P, Markov P, Petrova P.   +6 more
europepmc   +1 more source

Hydrogen Permeability of Tubular Polymer Membranes for Biological Methanation Membrane Reactors

Journal of Applied Polymer Science, EarlyView.
A reproducible method for permeability measurements of tubular polymer membranes is developed and combined with a comprehensive review of hydrogen permeability data. Based on this analysis, a suitable tubular polymer membrane is identified for application in biological methanation within membrane reactors.
Maximilian Peter Mock, Maria Bieringer, Raimund Brotsack, Stephan Leyer   +3 more
wiley   +1 more source

Surface Charges Guided Quasi‐TEM‐mode Microwave Propagation along Dielectric Nanowire

Advanced Physics Research, EarlyView.
According to Maxwell's equations, a single‐conductor transmission line cannot allow TEM‐mode electromagnetic wave propagation, however, this is based upon the assumption that dielectric material is isolated from the environment. In practice, surface electrostatic charges widely existed in nano‐materials with large surface‐to‐volume ratio.
BoYan Xu, Kaibo Zhang, Haojie Gao, Zhiyuan Gao, Kai Wang, Lihuan Zhao, Qi Yang, Bifeng Cui   +7 more
wiley   +1 more source

Recycling of goethite industrial waste in glass-ceramic matrices.

, 1995
M. PELINO, H. T. SUN, CANTALINI, Carlo
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Sintered feldspar glass–ceramics and glass–ceramic matrix composites

Ceramics International, 2008
Abstract Sintering with simultaneous crystallization of fine glass powders allowed the preparation of dense glass–ceramics based on unusual feldspar crystals (constituted by microcline and orthoclase, KAlSi 3 O 8 ), at a very low temperature (750 °C) and with limited processing times.
BERNARDO, ENRICO, DOYLE J, HAMPSHIRE S.
openaire   +2 more sources

Cast Glass Ceramics

Dental Clinics of North America, 1985
The application of cast glass ceramics to restorative dentistry represents a major advancement in applied dental science. In addition to restoring an individual's teeth with a material that is both esthetically pleasing and anatomically correct, the physical properties are designed to guarantee optimal performance characteristics.
openaire   +2 more sources

The cast glass-ceramic restoration

The Journal of Prosthetic Dentistry, 1987
The use of Dicor cast glass-ceramic material for fixed prosthodontic complete crowns has been described. The advantages of this material are chemical and physical uniformity, marginal accuracy, uncomplicated fabrication from wax-up to casting, ceramming, and coloring, ease of adjustment, excellent esthetics resulting from natural translucency, light ...
K A, Malament, D G, Grossman
openaire   +2 more sources

Glasses, ceramics, and glass‐ceramics containing carbon or nitrogen

Advanced Materials, 1993
Non‐oxide ceramics, for example SiC, Si3N4 and other carbides and nitrides, have been shown to have properties, particularly at elevated temperatures, which make them suitable for use under exacting environmental conditions. These materials are discussed along with partially carbon‐ and nitrogen‐substituted glasses and ceramics such as sialons (Si‐Al‐O‐
openaire   +1 more source