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Strict Standards: Only variables should be assigned by reference in /var/www/clients/client3/web1/web/plugins/app/classes/ApplicationCache.php on line 1

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Strict Standards: Only variables should be assigned by reference in /var/www/clients/client3/web1/web/plugins/app/classes/ApplicationPlugin.php on line 1

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Strict Standards: Only variables should be assigned by reference in /var/www/clients/client3/web1/web/plugins/app/classes/ApplicationPlugin.php on line 1

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Strict Standards: Declaration of ProductModel::doSelect() should be compatible with DataModelLocale::doSelect($query = , $setSelf = ) in /var/www/clients/client3/web1/web/plugins/product/classes/Model.php on line 3

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Strict Standards: Declaration of ProductBrandModel::doSelect() should be compatible with DataModelSimple::doSelect($query = , $setSelf = ) in /var/www/clients/client3/web1/web/plugins/productbrand/classes/Model.php on line 3

Strict Standards: Only variables should be assigned by reference in /var/www/clients/client3/web1/web/plugins/app/classes/ApplicationView.php on line 1

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Minereul

 TRANSPORT GRATUIT la comenzi peste 150 lei                                    Contactati-ne pentru comenzi personalizate  !

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vita juwel
nici un produs in cos

Minereul

Adaugata Luni , 23 Iulie 2012, 15:21:29

  Minereu este un termen folosit în economie, care ne indică faptul că prin descoperirea unor minerale într-un zăcământ, din punct de vedere economic sunt rentabile pentru exploatare. Rentabilitatea economică fiind influențată de valoarea mineralelor pe piața de desfacere (care variază în decursul istoriei) și în bogăția (concentrația în minerale utile) zăcământului.
Istoria omenirii este legată de exploatarea minereurilor metalifere, la început aceste minerale care erau la suprafață au fost culese, ulterior efectâundu-se lucrări miniere de exploatare a lor.
Mineralele au un conținut variat în metale, astfel un minereu poate conține 2 % zinc pe când un minereu bogat atinge un conținut de 70 % fier.


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