Results 41 to 50 of about 347,742 (199)
Improved masers for X-band and Ku band [PDF]
, 1973 Slow-wave structure of traveling-wave maser utilizes comb system which is comprised of ruby on one side and alumina on other; alumina also supports isolator material. Radiation at pump frequency is coupled to ruby through shaped alumina strips.
Clauss, R. C., Quinn, R. B.
core +1 more source
Methodology of mechanical characterization of coated spherical materials [PDF]
, 2008 The aim of this work was to develop a methodology for the mechanical characterization of catalyst beads with a core-shell structure and more especially for coated spherical granules.
Celse, Benoit +3 more
core +1 more source
IMPROVEMENT OF WORKABILITY OF PORCELAIN UNDER EFFECT OF ALUMINA
Diyala Journal of Engineering Sciences, 2012 Adding of alumina to porcelain improve the mechanical properties of the green and fired body. This improvement depend on the properties of the added alumina, such as surface area, morphology and the percentage of the alumina.
Jaleel I.k.Al.Robayie
doaj +1 more source
Acta Chimica Slovenica, 2018 Bauxites of different deposits were analysed for their content of TiO2 (mass %), using X-ray fluorescence spectrometry and the reference spectrophotometric method JUS B.G8.514.
Dragana Blagojević +4 more
doaj +1 more source
Preparation of Aluminum Matrix Composite Reinforced with Alumina Particles by In- Situe Method [PDF]
Engineering and Technology Journal, 2013 In this work an Aluminum matrix composite reinforced with alumina prepared by insitu (liquid-gas) method were investigated. Gas was represented by an oxygen with flow rate 50, 100, and 150 Sml/min (Standard mile Liter/minute) at different temperature ...
Yasir Muhi Abdualsahib +2 more
doaj +1 more source
Alumina Powder Properties Obtained by Neutralization Process of Sodium Aluminate
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2009 Today, the most production of alumina is used for aluminum production [1, 2] (metallurgy alumina), minor production of alumina is used for special purpose, as fire-resistant materials, electro porcelain and etc., and because this alumina are called ...
Mitar PERUŠIC +3 more
doaj
Influence of process parameters on the adsorption properties of zeolite 13X
Journal of Chemists, Technologists and EnvironmentalistsZeolite 13X is one of the best adsorbents among zeolites and one of the most commercially available zeolites. This paper investigates the influence of several process parameters on the properties of 13X zeolite, including crystallization ...
Ognjen Stojkić +6 more
doaj +1 more source
Science and Engineering of Composite Materials, 2017 Alumina-based composites were fabricated by reaction sintering from two different sintering powder mixtures: alumina with silica (SiO2) and alumina with silicon carbide (SiC; to allow oxidation to form SiO2).
Limpichaipanit Apichart +2 more
doaj +1 more source
Preparation of Alumina Nanorods from Chromium-Containing Alumina Sludge
Nanoscale Research Letters, 2017 Alumina nanorods were prepared from chromium-containing alumina sludge, and the effects of doping elements, such as Cr, Fe, and Mg, were researched. The results show that the crystal transformation of alumina is restricted by the doped Cr and facilitated
Xuan Zhang +4 more
doaj +1 more source
Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2020 Bu çalışmada, ağırlıkça farklı katkı oranlarında (%0-30) alümina (Al2O3) takviyeli alüminyum (Al) matrisli kompozitler toz metalurjisi yöntemiyle üretilmiştir. Kompozit malzeme üretiminde, takviye elemanı olarak nano alümina (n-Al2O3) veya mikron boyutlu
Mahmut Can Şenel, Mevlüt Gürbüz
doaj +1 more source