| 1. | For measuring abrasion of catalyst particles, three basic attrition test apparatus are used . 为了测定催化剂颗粒的磨损,可使用三种基本磨损测试装置。 |
| 2. | Standard test method for vibratory packing density of large formed catalyst and catalyst particles 大颗粒成型催化剂和催化剂颗粒振动填充密度的标准试验方法 |
| 3. | Standard test method for vibratory packing density of formed catalyst particles and catalyst carriers 成型催化剂颗粒和催化剂载体振动填充密度的标准试验方法 |
| 4. | Standard test method for mechanically tapped packing density of fine catalyst particles and catalyst carrier particles 精细催化剂颗粒和催化剂载体颗粒的机械振实填充密度的标准试验方法 |
| 5. | Theoretical analysis of first - order isothermal consecutive diffusion reactions in industrially porous catalyst particles with fractional geometry symmetry model 分数几何对称模型理论分析多孔固体催化剂颗粒中的一级等温串连扩散反应 |
| 6. | The atomic carbon precipitating from the top of the catalysts grew upward , but the catalysts still existed in the bottom of cnts due to the strong adhesion between catalysts and substrate 以单晶硅为基体,镍催化的cvd法生长纳米碳管属于基底生长模型。从催化剂颗粒上端析出的碳,逐渐向空间生长。 |
| 7. | Moox decreased catalytic agglomeration rate . all these made the pt / moox samples higher specific surface area of pt / moox microparticles in the pt / moox / gc composite electrode than pt microparticles in the pt / gc electrode Sem 、 xrd结果显示, moo _ x高度分散pt颗粒,催化剂颗粒粒径更小,减少它们的附聚速度,使催化剂有相当高的表面。 |
| 8. | When the growth getting higher , the migration rate of carbon atoms was increased , more carbon atoms would pass through catalyst particles to contribute the growth of carbon nanotubes , which increased the growth rate and also resulted in less defects in carbon nanotubes 在较高温度时,随着催化剂活性的提高以及碳原子在催化剂颗粒表面的迁移速率的增加,可提供更多的碳原子用于纳米碳管的有序生长,减少了缺陷的引入。 |
| 9. | Catalysts with different mass contents of metals were prepared to test the performance influenced by mass contents . when the metal element exists as oxide and is insulated to electronic conduct , carbon is necessary in the catalyst and the contents of the metal element couldn ’ t be increased unlimited 通过对不同载量的催化剂进行研究发现,如果催化剂颗粒不导电,适量的碳粉对于催化剂的导电性是必需的,不能无限制增加催化剂的载量。 |
| 10. | On the basis of summarizing others " studies , a novel method for synthesizing multi - walled carbon nanotubes is proposed by using liquid - hydrocarbon flame on austenitic stainless steel substrates , and without directly seeding catalyst into the flame . well - aligned carbon nanotubes can be produced by using appropriate processing technics 在总结前人的研究成果的基础上,本文提出了不需要另外添加催化剂颗粒,用液态碳氢化合物的扩散火焰在奥氏体不锈钢基板上制备出碳纳米管的新方法。 |