SADI Muslihuddin Abumuhammad Abdulloh ibni Mushrifuddin (1203/8, Sheroz—1292, hamon jo), shoir, nasrnavis va mutafakkiri fors-tojik. …
Mufassal »TANTALU NISBATHO
TANTALU NISBATHO, yak guruh mineralho — omekhtai payvasthoi tabiiro guyand. Sinfi Tantalu nisbatho qarib 100 navi mineral va khelhoi onro dar bar megirad, ki muhimtarinashon kolumbit, tantalit, loparit, pirokhlor va gayra. Rangashon siyoh, buri siyohtob, zardi burtob, gulobi va gayra Az Tantalu nisbatho Ta, Nb, Tr megirand.
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