Nano-sized neodymium oxide was prepared by direct precipitation method with neodymium nitrate and ammonium carbonate as raw materials. 以硝酸钕(Nd)和碳酸铵为原料,用直接沉淀法制备纳米氧化钕(Nd)。
All use very high power neodymium magnets to provide maximum efficiency and better sound. 全部使用高功率钕(Nd)磁铁,提供最高的效率和更好的声音。
Zhang said the chromium and neodymium were not deliberately added but occurred naturally. 张说,钕(Nd)和铬不是故意添加进去的,但会自然产生。
According to china's regulations on hygienic standards for cosmetics, cosmetics should not contain chromium or neodymium. 依据中国化?~卫生标准的规定,护肤品是不能含有钕(Nd)和铬的。
The anodic overvoltage of neodymium electrolysis was determined by slow scanning oscillogram. 用慢扫描示波法测定了钕(Nd)电解的阳极过电位。