نتایج جستجو برای: absorbing nanocomposites

تعداد نتایج: 27868  

Journal: :Virtual and Physical Prototyping 2023

In this article, the application of 10 new amino-m-terphenyls in 3D-VAT printing was described. New compounds have specially designed D-π-A structure, where central phenyl ring with nitrile and amino groups is acceptor modifiable group donor. Such design eliminates problem acid scavenging guaranteed desire properties photoactivity as well it allows further development such system for printing. ...

2015
Jie Pan Wei-Jiao Liu Chao Hua Li-Li Wang Dong Wan Jun-Bo Gong

OBJECTIVE To fabricate polymeric nanocomposites with excellent photoluminescence, magnetic properties, and stability in aqueous solutions, in order to improve specificity and sensitivity of cellular imaging under a magnetic field. METHODS Fluoridated Ln(3+)-doped HAP (Ln(3+)-HAP) NPs and iron oxides (IOs) can be encapsulated with biocompatible polymers via a modified solvent exaction/evaporat...

Journal: :Chemical Society reviews 2016
Yuanyuan Zhang Shanshan Gong Qi Zhang Peng Ming Sijie Wan Jingsong Peng Lei Jiang Qunfeng Cheng

With its extraordinary properties as the strongest and stiffest material ever measured and the best-known electrical conductor, graphene could have promising applications in many fields, especially in the area of nanocomposites. However, processing graphene-based nanocomposites is very difficult. So far, graphene-based nanocomposites exhibit rather poor properties. Nacre, the gold standard for ...

Journal: :Eurasian Chemico-Technological Journal 2021

This research study describes the magnetic properties of Fe, Co and Ni metallic nanopowders (NPs) their ternary nanocomposites (NCs), which can be used as fillers in radio-wave absorbing composite materials coatings, well for protection banknotes security paper. The were prepared by chemical metallurgy method. desired NPs NCs achieved co-precipitation, addition surfactants changes reduction tem...

Journal: :Advanced materials 2016
Sijie Wan Jingsong Peng Lei Jiang Qunfeng Cheng

Graphene is the strongest and stiffest material ever identified and the best electrical conductor known to date, making it an ideal candidate for constructing nanocomposites used in flexible energy devices. However, it remains a great challenge to assemble graphene nanosheets into macro-sized high-performance nanocomposites in practical applications of flexible energy devices using traditional ...

2015
Bien Dong Che Bao Quoc Nguyen Le-Thu T Nguyen Ha Tran Nguyen Viet Quoc Nguyen Thang Van Le Nieu Huu Nguyen

BACKGROUND Carbon nanotube (CNT) characteristics, besides the processing conditions, can change significantly the microwave absorption behavior of CNT/polymer composites. In this study, we investigated the influence of three commercial multi-walled CNT materials with various diameters and length-to-diameter aspect ratios on the X-band microwave absorption of epoxy nanocomposites with CNT conten...

2016
Jaya Shanthi

Poly (o-Phenylenediamine) and its ZnO nanocomposites were synthesized at different concentrations metal oxide like 5%, 10% and 15% of ZnO by via chemical oxidative polymerization method using ammonium persulphate as an oxidant in the presence of HCl. The prepared polymer and its polymer nanocomposites are found to be soluble in common organic solvents like ethanol, DMSO, toluene etc. The format...

2013
ZHAOTONG WU LIPING FU YIFANG LIU

This article brings out the improved thought of college admission system reform based on parallel will: College Admission Mode of Multiple Choices Based on Internet,CAMMCBI。We use the absorbing Markov analysis method to establish the student scores and college level sequence model of absorbing Markov chain, analysis CAMMC BI admission mechanism problem from the angle of dynamic. Reform of Colle...

2010
Glauber T. Silva

We present a theoretical study on how dynamic radiation force of acoustic waves actuates on absorbing spheres. We consider the radiation force is generated by the difference-frequency component of a bichromatic plane wave in a lossless fluid. We analyze the spectrum of the dynamic radiation force for polymethymethacrylate (lucite) and polyethylene spheres. Results reveal that absorption cause t...

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