نتایج جستجو برای: zirconium oxide nano fiber

تعداد نتایج: 354082  

2013
Atsushi Nishigori David T. Brown Masatoshi Ando Marco C. Bottino Jeffrey A. Platt John A. Levon Takamitsu Yoshida

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Journal: :journal of ultrafine grained and nanostructured materials 2014
hajar poortavasoly majid montazer

here, in situ synthesis of nano zinc oxide, along with aminolysis of polyester fabric, has simultaneously been carried out by using triethanol amine (tea) and zinc acetate. the zno nano particles (nps) were formed and stabilized on the fabric surface by amine compound at 130 °c for 1 h. the synthesis of nano zno particles on the polyester fabric were confirmed by x-ray diffraction (xrd) pattern...

2015
Yan Zhang Jie Jiang Liang Liu Ke Zheng Shiyuan Yu Yimin Fan

Chitin nano-fibers with positive and negative charges have been, respectively, produced from partially deacetylated and 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidized α-chitin. The average diameters and lengths of the TEMPO-oxidized chitin nano-fibers (TOChN) were 14 ± 4.3 and 190 ± 140 nm, respectively, and the average diameters and lengths of the partially deacetylated...

Journal: :Chemical & pharmaceutical bulletin 2015
Mami Hamori Yuki Shimizu Kaori Yoshida Keizo Fukushima Nobuyuki Sugioka Asako Nishimura Kazumasa Naruhashi Nobuhito Shibata

In this study, we applied an electrospinning (ES) method, which is mainly employed in the textile industry, to the field of pharmaceuticals. We developed and modified an ES instrument and then utilized it to produce methacrylic acid copolymer S (MAC) nano-fibers to prepare tablets. By attaching a conductor rod made from stainless steel to the central part of the nano-fiber-collection plate of t...

2016
Xinping Zhang Feifei Liu Yuanhai Lin

We present a flexible approach to transfer metallic photonic crystals (MPCs) onto end facets of optical fibers. The MPCs were initially fabricated on a glass substrate with a spacer layer of indium tin oxide (ITO), which was used as a buffer layer in the transferring process. The fiber ends were firstly welded on the top surface of the MPCs by a drop of polymer solution after the solvent evapor...

Journal: :Physical review letters 2007
S Ostanin A Ernst L M Sandratskii P Bruno M Däne I D Hughes J B Staunton W Hergert I Mertig J Kudrnovský

From the basis of ab initio electronic structure calculations which include the effects of thermally excited magnetic fluctuations, we predict Mn-stabilized cubic zirconia to be ferromagnetic above 500 K. We find this material, which is well known both as an imitation diamond and as a catalyst, to be half-metallic with the majority and minority spin Mn impurity states lying in zirconia's wide g...

Journal: :Dental materials : official publication of the Academy of Dental Materials 2008
J Robert Kelly Isabelle Denry

This review introduces concepts and background from the ceramics engineering literature regarding metastable zirconia ceramics to establish a context for understanding current and emerging zirconia-based dental ceramics.

1998
David G. Barton Stuart L. Soled George D. Meitzner Gustavo A. Fuentes Enrique Iglesia

Structural and Catalytic Characterization of Solid Acids Based on Zirconia Modified by Tungsten Oxide David G. Barton,∗ Stuart L. Soled,† George D. Meitzner,‡ Gustavo A. Fuentes,§ and Enrique Iglesia∗,1 ∗Department of Chemical Engineering, University of California at Berkeley, Berkeley, California 94720; †Corporate Research Laboratory, Exxon Research and Engineering, Route 22 East, Annandale, N...

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