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4.875  Articles
1 of 489 pages  |  10  records  |  more records»
The paper presents the possibility of obtaining composite materials containing ZrB2 from the  mixture of ZrSiO4, B2O3 (borate ore)  and Mg by self-propagating high temperature synthesis (SHS) method. The effect of mechanical activation time on p... see more

The goal of the present work is the synthesis of the refractory zirconium diboride powder in the combustion mode. One of the most effective methods of synthesis of the refractory zirconium diboride powder is the self-propagating high-temperature synthesis... see more

The Chilean nitrate deposits have been formed by a complex paragenesis of saline minerals that infill the porosity and open spaces of different country rocks. The study of the mineral infilling sequences in the rock porosities at the Pedro de Valdivia dep... see more

Neste artigo apresentamos a Oresteia como um nexo entre os ciclos míticos atrida e troiano, a começar pelo Agamêmnon como a peça que estabelece as principais referências aos mitos nos quais a trilogia fundamenta seu enredo. Demonstramos como a peça não ap... see more

In this present study, the effect of reductant dosage, temperature and holding time on selective reduction process of high alumina-lateritic nickel ore have been investigated clearly. The lateritic nickel ore was reduced with 5 until 15 wt. % anthracite a... see more

Se investigó el alimento vivo producido por el Biofloc en la crianza de Oreochromis aureus en el SL04LA04 Laboratorio de Acuicultura-Departamento de Pesquería de la Universidad Nacional de Trujillo en el 2021. La producción de biofloc se realizó en sistem... see more

Se realizó la investigación sobre el crecimiento experimental de Oreochromis aureus a diferentes fotoperiodo en sistema cerrado en Trujillo, Perú en el Laboratorio de Acuicultura de la Universidad Nacional de Trujillo. Se adquirió semilla del Módulo La Ba... see more

The article is devoted to the study of the causes and conditions of spontaneous com- bustion of sulphide ores, which may result in endogenous fires that complicate mining operations in mines, causing enormous material damage to the national economy, and o... see more

The article presents the results of experimental studies to determine the oxidative ac- tivity for the main industrial types of sulphide ores of sulphide-polymetallic deposits in Azerbai- jan. To calculate the amount of heat generated during oxidation, th... see more

1 of 489 pages  |  10  records  |  more records»