نتایج جستجو برای: nano cylindrical fillers

تعداد نتایج: 79452  

Journal: :International Journal of Research in Engineering and Technology 2017

2005
Maria Candea Ioana Vasilescu Martine Adda-Decker

The present work deals with autonomous fillers in a multilingual context. The question addressed here is whether fillers are carrying universal or language-specific characteristics. Fillers occur frequently in spontaneous speech and represent an interesting topic for improving languagespecific models in automatic language processing. Most of the current studies focus on few languages such as En...

Journal: :journal of dentistry, tehran university of medical sciences 0
mehrsa paryab assistant professor, dental research center, dentistry research institute, department of pediatric dentistry, faculty of dentistry, tehran university of medical sciences, tehran, iran.

the efficacy of correctly applied fissure sealants has been revealed in the prevention of caries. saliva and moisture contamination of the etched enamel surface before sealant placement can decrease the bonding strength of the sealant to the enamel. the aim of this study was to test the new bonding agents containing nano-fillers in order to reduce the negative effect of saliva contamination on ...

Microwave absorbing materials are usually designed to solve protection against electromagnetic interference in wireless communication systems and high frequency circuit mechanisms. In this research polystyrene (PS) nanocomposites containing various nano-fillers were successfully synthesized. The novelty of this work is comparing of three various nanostructures: non-metallic conductive graphene ...

2013
Mehrsa Paryab

OBJECTIVE The efficacy of correctly applied fissure sealants has been revealed in the prevention of caries. Saliva and moisture contamination of the etched enamel surface before sealant placement can decrease the bonding strength of the sealant to the enamel. The aim of this study was to test the new bonding agents containing nano-fillers in order to reduce the negative effect of saliva contami...

2016
Pei Feng Shuping Peng Ping Wu Chengde Gao Wei Huang Youwen Deng Tao Xiao Cijun Shuai

A nano-sandwich construct was built by combining two-dimensional graphene nanosheets (GNSs) and one-dimensional carbon nanotubes (CNTs) to improve the mechanical properties of hydroxyapatite-polyetheretherketone (HAP-PEEK) scaffolds for bone tissue engineering. In this nano-sandwich construct, the long tubular CNTs penetrated the interlayers of graphene and prevented their aggregation, increasi...

2017
Mohd Shahneel Saharudin Fawad Inam Joannis K. Kallitsis Georgios Bokias

The influence of short-term water absorption on the mechanical properties of halloysite nanotubes-multi layer graphene reinforced polyester hybrid nanocomposites has been investigated. The addition of nano-fillers significantly increased the flexural strength, tensile strength, and impact strength in dry and wet conditions. After short-term water exposure, the maximum microhardness, tensile, fl...

2016
Danijela Marović Kristina Šariri Nazif Demoli Mira Ristić Karl-Anton Hiller Drago Škrtić Martin Rosentritt Gottfried Schmalz Zrinka Tarle

AIM To determine if the addition of inert fillers to a bioactive dental restorative composite material affects its degree of conversion (DC), polymerization shrinkage (PS), and microhardness (HV). METHODS Three amorphous calcium phosphate (ACP)-based composite resins: without added fillers (0-ACP), with 10% of barium-glass fillers (Ba-ACP), and with 10% of silica fillers (Si-ACP), as well as ...

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