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Wyszukujesz frazę "Vila, M. A." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Fuzzy certainty on fuzzy values
Autorzy:
Gonzales, A.
Marin, N.
Pons, O.
Vila, M. A.
Powiązania:
https://bibliotekanauki.pl/articles/970957.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
fuzzy certainty
uncertainty qualification
fuzzy statements
fuzzy values
information measure
Opis:
Imprecision and uncertainty appear together in many applications of soft computing. Imprecise and uncertain values are usually expressed by means of linguistic terms, specially when they have been provided by or for a human being. However, in many applications it is desirable that both aspects are combined into a single value that appropriately describes the intended information. In this work, we extend our previous research on this topic and we study how to combine imprecision and uncertainty when both of them are expressed by fuzzy numbers and the final goal is to obtain a normalized fuzzy value that provides the same amount of information about the described fact.
Źródło:
Control and Cybernetics; 2009, 38, 2; 311-339
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tailings reprocessing from Cabeco do Piao dam in Central Portugal: a kinetic approach of experimental data
Autorzy:
Figueiredo, J.
Vila, M. C.
Matos, K.
Martins, D.
Futuro, A.
de Lurdes Dinis, M.
Góis, J.
Leite, A.
Fiúza, A.
Powiązania:
https://bibliotekanauki.pl/articles/92190.pdf
Data publikacji:
2018
Wydawca:
Główny Instytut Górnictwa
Tematy:
tailings
multi-criteria optimization
reprocessing
zinc
tungsten
odpadki
optymalizacja wielokryterialna
utylizacja
cynk
wolfram
Opis:
The mining waste and tailing dam are object of discussion due to the accidents that occur due to a lack of control or due to interest in the remaining minerals present in these materials. Most of the old tailings dams have high contents of heavy metals which could represent potential risks to the environment or be an alternative source of some critical raw materials. The case study of the Cabeco do Piao dam in Central Portugal involved tailings from a processing plant that belonged to the Panasqueira Mine Complex, which has been in operation for over 120 years. Waste rock and mining tailings were deposited in the area until 1995, and they represent an environmental liability for the local population due to their high content of toxic metals. Tailings reprocessing can be considered as a solution that minimizes social and environmental impacts, recovers some essential minerals, such as Zn, W, and Cu which can help to offset investments made. The project design involves several stages of metal concentration, determined by experiments, as well as a model of the process. The overall model will take into account technological constraints, social-economic conditions and environmental impacts. A preliminary result of an optimization study of the kinetic approach is presented in this piece of work.
Źródło:
Journal of Sustainable Mining; 2018, 17, 3; 139-144
2300-1364
2300-3960
Pojawia się w:
Journal of Sustainable Mining
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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