| 1. | Study on inclusion of lz50 axle - steel used for railway vehicle 50车轴钢非金属夹杂物研究 |
| 2. | Micrographic examination of the nonmetallic inclusion content of steels using standard pictures 标准图片的非金属夹杂物含量的金相检验 |
| 3. | Quantitative micrographic methods to determine the percentage content of non - metallic inclusions in cast steel 铸钢非金属夹杂物百分比含量测定的定量显微照相法 |
| 4. | Physical features : crystal bar in silver grey lustre , without non - metal inclusion and blue film on the surface or the inner 物理状态:高纯锆为银灰色棒状晶条,具有金属光泽。其内部和表面不带有非金属夹杂物和蓝膜。 |
| 5. | By means of chemical composition analysis , hardness testing , non - metallic inclusion examination , metallographic examination , macro and micro - fractography fracture analysis were conducted 对剃齿刀断口进行了宏、微观检验、化学成分分析、硬度测试和非金属夹杂物及显微组织检验。 |
| 6. | Abstract : the paper discusses the forming reasons of magnesia which is the main non - metallic inclusions in rare earth magnesium ferrosil icon alloy and harmful . the methods of reducing magnesia in the alloy have been p roposed 文摘:本文论述了稀土镁硅铁合金中主要非金属夹杂物?氧化镁的生成原因及其对应用的危害,提出了降低合金中氧化镁的方法。 |
| 7. | The hard spots and nonmetallic inclusion in aluminum alloy die casting are studied through measuring chemical composition and micro - hardness . the source of these inclusion is analyzed and prevention measures are suggested 研究了铝合金压铸件中的硬质点及其中的非金属夹杂物,测定了它们的化学成分和显微硬度,并分析了它们的来源,提出了防止的措施。 |