Results 11 to 20 of about 11,456,586 (404)

Raw material markets [PDF]

open access: yesIntereconomics, 1968
Hamburg Institute of International Economics (HWWA)
core   +6 more sources

Raw material markets [PDF]

open access: yesIntereconomics, 1969
Hamburg Institute of International Economics (HWWA)
openaire   +3 more sources

The Study of Metal Corrosion Resistance near Weld Joints When Erecting Building and Structures Composed of Precast Structures

open access: yesApplied Sciences, 2022
Corrosion processes of the most common steel grades in various environments are the subject of numerous studies. At the same time, the corrosion of welded joints hidden in concrete thickness has not yet been studied.
Pyotr V. Zgonnik   +2 more
doaj   +1 more source

Measuring raw-material criticality of product systems through an economic product importance indicator: a case study of battery-electric vehicles

open access: yesThe International Journal of Life Cycle Assessment, 2021
Purpose The concept of criticality concerns the probability and the possible impacts of shortages in raw-material supply and is usually applied to regional economies or specific industries.
Hauke Lütkehaus   +5 more
semanticscholar   +1 more source

Raw Materials of Industrialism

open access: greenThe Journal of Land & Public Utility Economics, 1930
Anthony James West   +2 more
openalex   +3 more sources

Heat-resistant concrete based on alumina cement from substandard raw material [PDF]

open access: yes, 2011
Results are provided for development of refractory concrete based on modified alumina cement using chemical industry waste. A quantitative ratio for mixed filler fractions, the effect of production factors on concrete strength, the dependence of its ...
de Arnaldo Araujo, A.   +3 more
core   +2 more sources

Synergetic use of lignite fly ash and metallurgical converter slag in geopolymer concrete

open access: yesMining Science, 2014
The application and utilization of the industrial wastes and by-products in the construction industry is a key issue from an environmental and economic point of view.
Gábor Mucsi   +5 more
doaj   +1 more source

Advanced processing of high Ca fly ash for enhanced reactivity and improved high value-added application possibilities

open access: yesCase Studies in Construction Materials, 2023
The main purpose of the research was to examine the processing possibilities of a low-grade high Ca fly ash (FA) to increase its future utilisation potential. Size separation via sieving and mechanical activation with the use of a planetary ball mill was
Mária Ambrus, Gábor Mucsi
doaj   +1 more source

VOLUME BASED CLOSED-CYCLE HARDGROVE GRINDABILITY METHOD

open access: yesRudarsko-geološko-naftni Zbornik, 2019
This paper deals with the development of a volume based closed-cycle grindability test method based on the recently introduced Universal Hardgrove mill and procedure.
Gábor Mucsi   +4 more
doaj   +1 more source

Effect of material bed compression on white fused corundum product particle shape and bulk density

open access: yesOpen Ceramics, 2023
Comminution of corundum is a challenging task, as it has outstanding mechanical strength and is highly abrasive and is consequently applied as a blasting and polishing agent in the abrasive industry. Thus, the selection of the best comminution methods to
László Tamás, Ádám Rácz
doaj   +1 more source

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