نتایج جستجو برای: powder reconstruction properties
تعداد نتایج: 1022644 فیلتر نتایج به سال:
STATEMENT OF PROBLEM Dynamic mechanical properties of hard, direct reline resins are important factors in the clinical success of dentures. However, little information is available on the nature of these properties. PURPOSE This study evaluated the dynamic mechanical properties of a variety of hard, direct reline resins: (1) visible light-polymerized, powder-liquid type, (2) visible light-pol...
Powder formation in silane plasmas has been considered as a technology drawback because it might lead to the formation of macroscopic defects in the deposited layers. Here we summarize our recent efforts in controlling the formation of powder precursors, in particular, nanocrystalline silicon particles, aiming at their incorporation in the films. Indeed, the incorporation of clusters and crysta...
The modification of metal alloy powders by coating with nanoparticles offers the possibility to improve additive manufacturing processes, in particular powder bed fusion metals laser beams (PBF/LB-M), from material side view. Subsequently, component qualities including mechanical properties and microstructural characteristics could be improved. Furthermore, enables improved energy utilization d...
recently, the use of renewable energies has increased to environmental pollution, limitation of fossil energy resources and energy security one of the means that enable us to use such energies is fuel cells (fc). however, there are many problems in the commercialization of fc from an economically and operation perspective. one of the most important problems is heat management. new heat pipes...
Background and Objectives: Biscuit is the most popularly consumed bakery item, and due to higher consumption among children, increase of its nutritional value and safety is a necessity. Acrylamide is a potential carcinogen that is formed in carbohydrate-rich food products like biscuits at temperatures above 120oC. Among the various parameters, which affect acrylamide formation, the inhibitory e...
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