| 1. | Of precious metals , of rare - earth metals , of 服装饰品,编织或钩织95 , 462 |
| 2. | Inner mongolia baotou wanbao rare earth metal co . , ltd 内蒙古包头市万宝稀土金属有限公司 |
| 3. | Baotou wanbao rare earth metal co . , ltd 内蒙古包头市万宝稀土金属有限公司 |
| 4. | Rare - earth metals and their oxides - determination of ignition loss - gravimetric method 重量法测定灼减量 |
| 5. | Property investigation of a kind of three - way catalyst containing rare earth metal 一种富稀土型三效催化剂的性能考察 |
| 6. | Rare - earth metals and their oxides determination of thorium content arsenazo spectrophotometric method 分光光度法测定钍量 |
| 7. | Standard test method for total rare earth metals in paint driers by edta method Edta法涂料催干剂中稀土金属总量的标准试验方法 |
| 8. | Alkaline earth metals 土类金属 |
| 9. | Exploration and research of miniaturization of property experiment of alkaline - earth metal compunds 碱土金属化合物性质实验的微型化研究 |
| 10. | Determination method for non - rare earth elements in mixed rare earth metals and compounds 法测定混合稀土金属及其化合物中的11个非稀土元素 |