Results 1 to 10 of about 11,109 (167)
Polyhalite as an alternate nutrient source for improving growth, yield, and nutrient use efficiency in onion and garlic [PDF]
Scientific ReportsPolyhalite (POLY4), a naturally occurring multi-nutrient source with a low salt index, has potential as a replacement for muriate of potash (MOP). A field experiment was conducted to assess the effect of POLY4 on the growth, yield, quality, and nutrient ...
Thangasamy Arunachalam +6 more
doaj +2 more sources
Češi a Slováci v Austrálii v 1. polovině 20. století a jejich účast ve světových válkách.
Czech Journal of International Relations, 2020 Monografie se věnuje československým krajanům pobývajícím v Austrálii za první i druhé světové války. Zachycuje válečné osudy Čechoslováků, kteří na vzdálený kontinent odcestovali v době předválečné či meziválečné, ale také těch, kteří se zde ocitli až ...
Milada Polišenská
doaj +3 more sources
Proactive interburden fracturing using UIS drilling with validation monitoring
International Journal of Mining Science and Technology, 2021 A series of gas inrush events occurred during development at Grosvenor Mine resulting in exposure to elevated levels of methane at the production face. A total of 22 gas inrush events occurred, with between 15 and 130 m3 of methane released during each ...
Adam Lines
doaj +1 more source
Holos, 2015 Chutes de transferência de material podem ser pontos de gargalo de qualquer operação se não forem corretamente projetados. Recentemente, o modelamento de elementos discretos tem sido utilizado com sucesso na indústria mineral para simulação de processos ...
Marcos E. Assumpção +5 more
doaj +1 more source
Performance analysis of the application of multidirectional rigid geogrids for haul road truck access [PDF]
E3S Web of ConferencesLocated in the southeast region of Brazil, Mina Serra do Sapo has well-defined seasons, with hot, humid summers and cold, dry winters. The condition of constant and voluminous rain, associated with the Minas Gerais environment, where we have haul road ...
Vilalaz Oliveira Érica Patrícia +3 more
doaj +1 more source
RAMP UP DA MAIOR INSTALAÇÃO DE MOINHOS VERTIMILL DO MUNDO
Holos, 2015 O circuito de remoagem do projeto Minas-Rio é atualmente o maior do mundo utilizando moinhos verticais. O circuito possui 16 Vertimill VTM-1500 da Metso e 8 baterias de ciclones.
Douglas B. Mazzinghy +3 more
doaj +1 more source
Cooling pathways for deep Australian longwall coal mines of the future
International Journal of Mining Science and Technology, 2018 Cooling of coal mines in the Bowen Basin, characterized by steep geothermal gradient, is presently achieved mostly through rental surface bulk air cooling in summer months.
B. Belle, M. Biffi
doaj +1 more source
APLICAÇÃO DO TESTE DE CARGA PONTUAL MODIFICADO PARA SELEÇÃO DE BRITADORES PARA MINÉRIO DE FERRO
Holos, 2015 A resistência à compressão uniaxial (UCS) é a propriedade mecânica mais aceita para dimensionamento de britadores destinados ao processamento de rochas e minérios.
James J. Varela +3 more
doaj +1 more source
Fourier Integral Operator Model of Market Liquidity: The Chinese Experience 2009–2010
Mathematics, 2022 This paper proposes and motivates a dynamical model of the Chinese stock market based on linear regression in a dual state-space connected to the original state-space of correlations between the volume-at-price buckets by a Fourier transform.
Peter B. Lerner
doaj +1 more source
Revista Lusófona de Estudos Culturais, 2014 Analyzing cultural sector reports and initiatives in Portugal in relationship to recent reductions in cultural funding, this paper critiques the divide between discourses for knowledge economy development, sustainability, the educational preparation for ...
Teresa Tipton
doaj +1 more source