Results 11 to 20 of about 2,554,736 (300)

EU methodology for critical raw materials assessment : policy needs and proposed solutions for incremental improvements [PDF]

open access: yesResources Policy, 2017
Raw materials form the basis of Europe's economy to ensure jobs and competitiveness, and they are essential for maintaining and improving quality of life.
Blagoeva, Darina   +14 more
core   +4 more sources

Toward an overall analytical framework for the integrated sustainability assessment of the production and supply of raw materials and primary energy carriers [PDF]

open access: yesJournal of Industrial Ecology, 2015
The sustainable production and supply of raw materials (nonenergy raw materials) and primary energy carriers (energy raw materials) is a core element of many policies. The natural resource base for their production and supply, and the access thereto, are
Blengini, Gian Andrea   +5 more
core   +4 more sources

The possibilities of atmospheric plasma-spraying application to obtain hydroxyapatite coatings on the stainless steel samples [PDF]

open access: yesHemijska Industrija, 2013
For decades, the standard metallic materials for hip implants, besides the 316LVM stainless steel, were titanium- and cobalt/chromium-based alloys. Although bioinert, due to their corrosion resistance, they are not biocompatible.
Mihailović Marija D.   +4 more
doaj   +1 more source

Ecological and corrosion behavior of depleted uranium [PDF]

open access: yesHemijska Industrija, 2015
Environmental pollution with radionuclides, particularly uranium and its decay products is a serious global problem. The current scientific studies estimated that the contamination originating from TENORM, caused by nuclear and non-nuclear ...
Stojanović Mirjana D.   +6 more
doaj   +1 more source

Overview of technologies for Zn extraction from hyperaccumulating plants: Current state of research and future directions [PDF]

open access: yesJournal of Mining and Metallurgy. Section A: Mining, 2022
Phytomining, although predominantly in its early stages on the broader scientific scope of investigation, has garnered interest in metals such as Ni, Au, or rare earth elements (REE).
Jovanović G.   +3 more
doaj   +1 more source

AMPHIPHILIC SIDEROPHORE MARINOBACTIN FOR FROTH FLOTATION PROCESS [PDF]

open access: yes, 2001
The consumption of metallic raw materials increased in the last years. The coverage of demand is getting more difficult, because both primary and secondary raw materials become more and more complex. To find a solution, some new
Schrader, Sylvi   +3 more
core   +2 more sources

Adsorption of Cu(II) ions from synthetic solution by sunflower seed husks [PDF]

open access: yesActa Periodica Technologica, 2019
Annual production of the sunflower seed in Serbia is between 650,000-720,000 tons. Most of this amount is used in vegetable oil industry. Abundant by-products from this processing are sunflower seed husks.
Stanković Srđan   +5 more
doaj   +1 more source

Investigations of quartz raw materials from the locality of Rekovac muncipality [PDF]

open access: yesHemijska Industrija, 2019
Quality of raw materials, including quartz sand and quartzite, varies from one deposit to another. Furthermore, the material quality determines in which industrial branches it can be used after certain preparation processes.
Mihajlović Slavica R.   +5 more
doaj   +1 more source

In vitro safety evaluation of rare earth-lean alloys for permanent magnets manufacturing

open access: yesScientific Reports, 2021
Due to their exceptional physico-chemical and magnetic characteristics, rare earth (RE) permanent magnets are applied in multiple critical technologies.
Carlos Rumbo   +6 more
doaj   +1 more source

Checking the formulation modeling process of industrial mill for different types of grinding bodies [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2016
This paper presents checking the formulation modeling process of industrial mill for different types of grinding bodies. It is known that changing the type of drilling bodies realizes various efficiency of grinding the mineral raw materials and/or ...
Petrov Milan   +3 more
doaj   +1 more source

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