نتایج جستجو برای: internal bond ib
تعداد نتایج: 311231 فیلتر نتایج به سال:
Background and Aims: Dentin contamination with different materials used in pediatrics is effective on the bond strength of adhesives to primary teeth. Therefore, the purpose of this in vitro study was to evaluate the effect of zinc oxide-eugenol and formocresol on the shear bond strength (SBS) of resin composite to the dentin in primary teeth. Materials and Methods: A total of 72 extracted seco...
This study investigated the mechanical properties and microstructural characteristics of fiberboard composite produced by naturally-bonded Malaysian bamboo fiber (Bambusa vulgaris). The components that obtained through soda pulping culms such as black liquor, were used for preparation high-density fibreboard at two target densities 850 950 kg/m3. (BFC) then 200°C pressing parameters 125 175 s/m...
Objective(s): Carbon tetrachloride (CCl4) causes pulmonary toxicity. Infliximab (Ib) is a potent inhibitor of tumor necrosis factor-alpha (TNF-α). We aimed to investigate whether Ib has a protective effect on CCl4 induced lung injury. Materials and Methods:Rats were divided into control, CCl4, and CCl4+Ib groups. A single dose of 2 ml/kg CCI4 was administered to CCI4 group and a single dose of...
Medium density fiberboard (MDF) with efficient electromagnetic shielding: Preparation and evaluation
Carbon fiber (CF)-filled fiberboard specimens for electromagnetic (EM) shielding applications were produced in this study by mixing CF with wood (WF). The aim of work was to the panel properties different loadings (1%, 2%, 3%, 5%, and 10%) CF. mechanical, physical, interference (EMI) medium density (MDF) analyzed. effectiveness (SE) CF1 sample 23.5 dB 35.0 frequency range 8.2 GHz 12.4 GHz. maxi...
This study evaluated in vitro the shear bond strength of a resin-based pit-and-fissure sealant (Fluroshield - F) associated with either an ethanol-based (Adper Single Bond 2 - SB) or an acetone-based (Prime & Bond - PB) adhesive system under conditions of oil contamination. Mesial and distal enamel surfaces from 30 sound third molars were randomly assigned to 2 groups (n=30): I - no oil contami...
Fe₃O₄/wood fiber composites are prepared with a green mechanical method using only distilled water as a solvent without any chemical agents, and then a binderless composite board with high mechanical properties is obtained via a hot-press for electromagnetic (EM) absorption. The fibers are connected by hydrogen bonds after being mechanically pretreated, and Fe₃O₄ nanoparticles (NPs) are attache...
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