نتایج جستجو برای: 6 grinded
تعداد نتایج: 956520 فیلتر نتایج به سال:
Abstract Objective Bonding to different dentin substrates influences resin composite restoration outcomes. This study investigated the influence of adhesion protocols on shear bond strength universal adhesive systems sound and artificial caries-affected (CAD). Materials Methods Occlusal enamel 80 premolars were wet grinded obtain flat midcoronal dentin. Specimens equally divided according subst...
The formulation of an innovative concrete that meets the requirements a self-compacting (SCC), with acceptable performance in terms rheology fresh state; good fluidity, ease placing, without segregation as well mechanical strength and durability at hardened state has become great research interest for last decades. Numerous studies have shown favorable effects limestone fillers on SCC propertie...
Abstract Among the biggest issues facing world now are fuel shortages and water contamination. Therefore, goal of current study was directed to produce bioethanol from Jatropha curcas leaves use residual wastes in form composite sheets for crystal violet (CV) removal. The were collected , irrigated by various irrigation sources; sewage-water (A), sewage-water-sludge (B), tap (C). acid hydrolysi...
On the one hand, copper slag is nowadays a waste in pyrometallurgy despite significant quantities of iron (>40 wt. %) and (1 to 2 %). other solar energy, when properly concentrated, offers great potential high-temperature processes. Therefore, concentrated power (CSP) could be used treatment transform fayalite into magnetite sulfides oxides nodules. This objective this paper. The results sho...
introduction: zhumeria majdae is an herbal plant which is only found in hormozgan province. the aim of this study was to compare the antimicrobial property and toxicity of essential oil (eo) and encapsulated form of the essential oil (efeo) of zhumeria majdae. materials and methods: first, the plant was dried, grinded, and its eo extracted by hydrodistallation. then, the eo was encapsulated by ...
background and objectives: colocynthin is the major active secondary metabolite of colocynth, citrullus colocynthis (l.) schrad, which has been used in traditional and ethno medicine of many countries. it could be considered as an active marker for quality control of colocynth and its herbal products. analysis and standardization of colocynth and its herbal preparations are a critical issue fo...
Background: Temperature rise in the pulp chamber is a severe stress that can cause irreversible damage to pulp. This study aimed evaluate effect of three curing modes high-powered LED and two remining dentin thicknesses on temperature under primary teeth dentin. Methods: One disc 1 mm thickness were prepared from human molar. The was exposed light using for 10 s simulate bonding agent polymeriz...
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