نتایج جستجو برای: nano cerium oxide

تعداد نتایج: 225089  

2017
Chengkun Ma Hailong Chen Chao Wang Jifeng Zhang Hui Qi Limin Zhou

Based on the optimal proportion of resin and curing agent, an ultrahigh-temperature inorganic phosphate adhesive was prepared with aluminum dihydric phosphate, aluminium oxide ( α -Al₂O₃), etc. and cured at room temperature (RT). Then, nano-aluminum nitride (nano-AlN), nano-Cupric oxide (nano-CuO), and nano-titanium oxide (nano-TiO₂) were added into the adhesive. Differential scanning calorimet...

Raouf Seyed Sharifi, Razieh Khalilzadeh Soraya Soltanmoradi

This research was carried out to assessment agro physiological traits of bread wheat affected salinity stress, Nano zinc oxide and arbuscular mycorrhiza (AM) fungi under greenhouse condition via factorial experiment based on randomized complete blocks design with three replications. Experimental factors included salinity stress in three levels [no-salt (S0) or control, salinity 40 (S1), and 80 ...

Journal: :Biochemical and biophysical research communications 2006
David Schubert Richard Dargusch Joan Raitano Siu-Wai Chan

The responses of cells exposed to nanoparticles have been studied with regard to toxicity, but very little attention has been paid to the possibility that some types of particles can protect cells from various forms of lethal stress. It is shown here that nanoparticles composed of cerium oxide or yttrium oxide protect nerve cells from oxidative stress and that the neuroprotection is independent...

2010
Kuen-Song Lin Sujan Chowdhury

The present work provides a comprehensive overview of the recent progress of research work toward developing new one dimensional (1-D) ceria (CeO(2)) nanomaterials. The review has been classified into three parts: the preparation procedures with identification of the existing different dimensional ceria nanomaterials, the formation mechanisms, and an analysis of their applications. From literat...

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...

Journal: :Dalton transactions 2015
Mohammad Mahdi Najafpour Emad Amini

We used halloysite, a nano-sized natural mineral, and high surface area montmorillonite as supports for nano-sized Mn oxides to synthesize efficient water-oxidising catalysts. The composites were synthesized by an easy and simple procedure, and characterized by scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectrosco...

Journal: :Dalton transactions 2015
Riccardo Marin Michele Back Nicolò Mazzucco Francesco Enrichi Romana Frattini Alvise Benedetti Pietro Riello

In the paper, we claim to observe the optical activity of cerium in a triply doped yttrium oxide system displaying both upconverting and downshifting properties. The singly-doped Y2O3:Ce 3+ system has already been investigated by many groups, with controversial results, as stated in our paper. Some groups suggested an emission centered on cerium ions, while others proposed a defect-related emis...

Raouf Seyed Sharifi, Razieh Khalilzadeh Soraya Soltanmoradi

This research was conducted to evaluate effects of mycorrhiza fungi and nano zinc oxide on agro physiological traits of wheat under salinity stress based on factorial experiment according complete randomized block design with three replications under greenhouse condition at 2014. Treatments included salinity in three levels [no-salt (S0) or control, salinity 40 (S1) and 80 (S2) mM NaCl], two le...

Journal: :Journal of the American Chemical Society 1909

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