نتایج جستجو برای: crystalline growth

تعداد نتایج: 854386  

   The growth and structural study of Nickel doped Cobalt ferrite thin films on glass substrate using spray pyrolysis technique have been done. The structural studies confirmed the growth of polycrystalline film having cubic structure with Fd3m space group. The x ray density was found to increase with Ni concentration, where as the reduction, in crystalline size, was found in XRD m...

2012
Haiwon Lee

Three-dimensional (3D) networks of carbon nanotubes (CNTs) were fabricated on a pillarpatterned substrate by plasma-enhanced chemical vapor deposition (PECVD). To fabricate 3D networks of CNTs, highly crystalline single-walled CNTs (SWCNTs) should be synthesize on the substrate. PECVD has advantages for low temperature growth and alignment of CNTs on the substrate, but it is difficult to synthe...

2009
Kangkang Wang Abhijit Chinchore Wenzhi Lin Arthur Smith Kai Sun

Ferromagnetic delta-phase manganese gallium with Mn:Ga ratio between 1:1 to 1.5:1 is grown on wurtzite gallium nitride and scandium nitride substrates, using molecular beam epitaxy. The dependencies of growth properties, e.g. interface formation, surface reconstruction and crystalline quality, on substrate crystallographic structure and polarity are investigated. Results suggest that for growth...

Journal: :Applied microbiology 1973
S M Gelbart G F Reinhardt H B Greenlee

A major problem in total parenteral nutrition is sepsis, particularly that caused by Candida. Studies of four solutions, a casein hydrolysate, a fibrin hydrolysate, and two crystalline amino acid solutions, show that the protein hydrolysate solutions appear to be highly selective for Candida over bacteria, whereas the crystalline amino acid solutions are not. These findings suggest that the cry...

M. Ghashang, M. Kargar, M.R. Mohammad Shafiee

In this study, a feasible green method for the synthesis of copper oxide nanocrystalline is described by using sour cherry juice which has a significant effect on crystalline size, and morphology. The benefits of the green method, not only nanometer scale are formed but also low-cost method are obtained in a normal atmosphere which it has been used (CH3COO)2Cu.H2O individually as Cu sources. Al...

M. Ghashang, M. Kargar, M.R. Mohammad Shafiee

In this study, a feasible green method for the synthesis of copper oxide nanocrystalline is described by using sour cherry juice which has a significant effect on crystalline size, and morphology. The benefits of the green method, not only nanometer scale are formed but also low-cost method are obtained in a normal atmosphere which it has been used (CH3COO)2Cu.H2O individually as Cu sources. Al...

M. A. Golozar,

In this paper, the nucleation and growth of diamond/diamond-like coatings on austenitic (AISI 316) and ferritic (AISI 430) stainless steel substrates have been investigated using torch technique. The effects of substrate surface preparation has also been studied. The quality of coatings produced has been examined using optical and scanning electron microscopy, X-ray diffraction, Raman spectros...

M. A. Golozar,

In this paper, the nucleation and growth of diamond/diamond-like coatings on austenitic (AISI 316) and ferritic (AISI 430) stainless steel substrates have been investigated using torch technique. The effects of substrate surface preparation has also been studied. The quality of coatings produced has been examined using optical and scanning electron microscopy, X-ray diffraction, Raman spectros...

Journal: :international journal of occupational hygiene 0
mansour r azari department of occupational hygiene, school of public health, safety promotion & injury prevention research center, shahid beheshti university of medical sciences, tehran, iran behnam ramazani department of occupational hygiene, school of public health, zabol university of medical sciences, sistan & balouchestan, iran mohammad ali mosavian department of occupational health, shahid beheshti university of medical sciences, tehran, iran. mohammad movahadi department of occupational hygiene, school of public health, safety promotion & injury prevention research center, shahid beheshti university of medical sciences, tehran, iran sussan salehpour national reasarch institute of tuberculosis and lung disease, shahid beheshti university of medical sciences, tehran, iran.

the aim of this cross-sectional study was to explore the association of crystalline silica aerosols exposure with malondialdehyde in blood serum and urinary neopterin and explore their potential as biomarkers of their external exposure. nonsmoking and healthy male glass sandblasters and control population were randomly selected for this study. all groups were monitored for their personal exposu...

2017
Jie Song Jung Han

We demonstrate growing nitrogen-polar (N-polar) GaN epilayer on c-plane sapphire using a thin AlN buffer layer by metalorganic chemical vapor deposition. We have studied the influence of the AlN buffer layer on the polarity, crystalline quality, and surface morphology of the GaN epilayer and found that the growth temperature of the AlN buffer layer played a critical role in the growth of the Ga...

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