Results 91 to 100 of about 272,832 (211)

Contributions to predicting contaminant leaching from secondary materials used in roads [PDF]

open access: yes, 2004
Slags, coal ashes, and other secondary materials can be used in road construction. Both traditional and secondary materials used in roads may contain contaminants that may leach and pollute the groundwater.
Apul, Defne S
core   +2 more sources

Bullion production in imperial China and its significance for sulphide ore smelting world-wide [PDF]

open access: yes, 2015
Gold and silver production was of major importance for almost all ancient societies but has been rarely studied archaeologically. Here we present a reconstruction of a previously undocumented technology used to recover gold, silver and lead at the site ...
Chen, J   +6 more
core  

Study of cast iron pots and slags from Salovka I settlement

open access: yesПоволжская археология
The article presents the geometric size and shapes of cast-iron pots which were found at the Salovka I settlement in the Upper Sura region. Also the paper reflects the results of studies of one of the fragments of a cast-iron pots, repair plate and slag ...
Vinnichek Vladimir Al.   +1 more
doaj   +1 more source

Dissolution of CaO in SiO2-CaO-Al2O3 Slag in Si Production

open access: yesMetals
This work investigates the dissolution of CaO into three different compositions of SiO2-CaO-Al2O3 slag similar to those found in industrial Si furnaces. It was found that CaO dissolution into the slag is fast.
Marit Buhaug Folstad   +2 more
doaj   +1 more source

Topics in Cement and Concrete Research [PDF]

open access: yes, 2006
In recent decades, the construction sector has faced many changes. One of these changes is the shift in the role of national government from one-sided practices in which the government was solely responsible for strategic and long-term spatial planning ...
Brouwers, H.J.H.
core   +3 more sources

Study on properties of CaF2–CaO–Al2O3–MgO–B2O3 electroslag remelting slag for rack plate steel

open access: yesHigh Temperature Materials and Processes
The loss of boron (B) in the rack plate steel during the electroslag remelting process has a significant impact on its mechanical properties. Therefore, it is necessary to design appropriate slags to suppress the loss of B.
Zhang Yong-jiao   +3 more
doaj   +1 more source

Effectiveness of silicomanganese smelting utilizing high-ash coal

open access: yesMaterials Research Express
This study investigates the utilization of high-ash coal as an alternative reductant in the smelting of silicomanganese, aiming to reduce the carbon footprint of traditional coke-based processes.
Yerbolat Makhambetov   +6 more
doaj   +1 more source

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