论文信息 - Magnetic and Microstructural Characteristics of Nd-Fe-B Sintered Magnets Doped With Dy<formula formulatype="inline"> <tex Notation="TeX">$_2$</tex></formula>O<formula formulatype="inline"><tex Notation="TeX">$_3$</tex></formula> and DyF<formula formulatype="inline"> <tex Notation="TeX">$_3$</tex></f