کد فایل 1245020
قیمت: 59٬000 تومان
بسم الله الرحمن الرحیم موضوع: ژئوشیمی عناصر نادر خاکی در سنگ فسفاتی رسوبی Introduction: During recent years, geochemistry of rare earth elements (REEs) has proved to be one of the best tools for determining conditions of depositional environments and understanding of formation mechanism of sedi