With declining interest in thorium as a potential nuclear fuel in the 1960s and increased concern over the disposal of the radioactive daughter products of thorium, bastnäsite came to displace monazite in the production of lanthanides due to its much lower thorium content.
Gross domestic product | Universal Product Code | Pearson product-moment correlation coefficient | Cartesian product | Radioactive decay | Product certification | Product (business) | Product bundling | Before I Decay | Wood-decay fungus | White-label product | urban decay | Product Red | product key | Product Development and Management Association | Product activation | product | Pharmaceutical Product Development | Gross national product | Gross Domestic Product | Fast Product | beta decay | Woman using the ''Urinella'' FUD in a public restroom, the same product is also distributed at the German Fusion Festival | UK Decay | The Pulse of Decay | The Mark Thomas Comedy Product | radioactive decay | Product sample | Product recall | product recall |