نتایج جستجو برای: ite resins

تعداد نتایج: 15532  

صادقیان, سوسن, نصر اصفهانی, محمد حسین, وطنی, مسعود,

Introduction: In orthodontic therapy ,different materials are used and their presence in oral cavity may modify their properties. The purpose of this study was to evaluate the direct and indirect biocompatibility of three orthodontic composite resins on culture of human oral fibroblasts. Methods: This was an interventional experimental study. The biocompatibility of three orthodontic composit...

Journal: :Teaching and Teacher Education 2022

In the current study on noticing as reasoning of Lesson Study (LS)-teams in initial teacher education (ITE), we analyzed two mixed LS-teams set up about pupils' subject-related learning of. Both teams consisted a student and experienced teachers. paid more attention to identification (describing pupils‘ behavior) planning elements (considering deciding how act) than interpretation (determining ...

Journal: :journal of the iranian chemical research 0
nasser arsalani laboratory of polymer chemistry, department of organic and biochemistry, faculty of chemistry, university of tabriz, tabriz, iran elnaz ghasemi laboratory of polymer chemistry, department of organic and biochemistry, faculty of chemistry, university of tabriz, tabriz, iran roghayeh rakh laboratory of polymer chemistry, department of organic and biochemistry, faculty of chemistry, university of tabriz, tabriz, iran ali akbar entezami laboratory of polymer chemistry, department of organic and biochemistry, faculty of chemistry, university of tabriz, tabriz, iran

chelating resins based on polyacrylonitrile and diethylenetriamine (pan-dta) wereprepared through the simple reaction of polyacrylonitrile with various volume percents ofdiethylenetriamine (dta), (25, 50, 75 and 100). the prepared resins were applied to removeheavy metal ions such as cu(ii), zn(ii) and cd(ii) from aqueous solutions. the sorptionbehaviors of the resins for these metal ions were ...

Journal: :Dental materials journal 2012
Ali Riza Tuncdemir Filiz Aykent

Composite resins were reinforced with glass and polyethylene fibers in this study, and the effect of fiber reinforcement on the color change of composite resins was investigated. After accelerated aging, the effect of fiber reinforcement on the color stability of composite resins was also examined. There were three experimental groups (n=12 disks per group): non-fiber-reinforced composite (non-...

2009
Zhidong Li Abbas Firoozabadi

We apply a cubic-plus-association equation of state to study the asphaltene precipitation from n-alkane diluted model solutions (asphalteneþtoluene), and heavy oils and bitumens. Heavy oils and bitumens are characterized in terms of saturates, aromatics/resins, and asphaltenes; n-alkanes are treated independently. The asphaltene precipitation is modeled as liquid-liquid phase equilibrium. The s...

Journal: :Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2010
Takashi Ishihara Naoko Nakajima Toshihiko Kadoya

The performance of MabSelect SuRe and IgSelect affinity chromatography resins designed for process-scale purification of antibodies was investigated. Various antibodies (4 human monoclonal, 1 human polyclonal and 1 bovine polyclonal antibody and 1 Fc-fusion protein) were used to evaluate the elution pH and dynamic binding capacity of the resins. The elution pH for each human antibody was simila...

Journal: :Dental materials journal 2007
Toshio Sato Hidekazu Takahashi Toshio Hongo Iwao Hayakawa

The purpose of this study was to evaluate the effect of degradation of a denture base resin on bond strength to relining resins. Denture base resin specimens were immersed under various conditions to simulate degradation. Tensile bond strength of denture base resin after immersion to relining resins was measured with or without surface grinding. The bond strength of denture base resin without g...

2011
SHANKAR BABU CHEBROLU

Against the backdrop of new economic realities, one of the larger forces that is affecting businesses worldwide is cloud computing, whose benefits include agility, time to market, time to capability, reduced cost, etc. The intent of this research was to contribute to the body of knowledge that could be applied by researchers, businesses, and IT organizations alike to achieve optimal results thr...

Journal: :International journal of computational biology and drug design 2010
Bachar Zineddin Zidong Wang Yong Shi Yurong Li Min Du Xiaohui Liu

Microarray has emerged as a powerful technology that enables biologists to study thousands of genes simultaneously, therefore, to obtain a better understanding of the gene interaction and regulation mechanisms. This paper is concerned with improving the processes involved in the analysis of microarray image data. The main focus is to clarify an image's feature space in an unsupervised manner. I...

Journal: :Journal of the American Academy of Audiology 1999
D A Preves C A Sammeth M K Wynne

The use of directional microphones is one of the few methods available for hearing aids to increase the signal-to-noise ratio. The smaller microphones available with today's technology have increased the viability of their application for in-the-ear (ITE) hearing aids. This study evaluated an ITE hearing aid containing two nondirectional microphones that provides wearer-selectable omnidirection...

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