| 1. | An experimental research on oxygen - enriched air methane counterflow diffusion flame 甲烷对向流扩散火焰的实验研究 |
| 2. | Chemical kinetical modeling of turbulent jet diffusion flame for methane air 空气湍流射流扩散火焰的化学动力学模拟 |
| 3. | Flamelet modeling of turbulent non - premixed flame based on detailed chemical reaction mechanisms 采用考虑详细化学反应机理的火焰面模型模拟湍流扩散火焰 |
| 4. | Tests on electric and optical fibre cables under fire conditions - tests for vertical flame propagation for a single small insulated wire or cable - procedure for diffusion flame 着火条件下电缆和光缆的试验.单股绝缘电线或电缆的垂直火焰蔓延的试验.扩散火焰法 |
| 5. | Tests on electric and optical fibre cables under fire conditions - part 2 - 2 : test for vertical flame propagation for a single small insulated wire or cable - procedure for diffusion flame 着火条件下电缆和光缆的试验.第2 - 2部分:单根小型绝缘电线或电缆的垂直火焰蔓延试验.扩散火焰规程 |
| 6. | Tests on electric and optical fibre cables under fire conditions - part 2 - 2 : test for vertical flame propagation for a single small insulated wire or cable - procedure for diffusion flame 着火条件下电缆和光缆的试验.第2 - 2部分:单根小型绝缘电线或电缆的垂直火焰蔓延试验.扩散火焰规程 |
| 7. | By contrast with those conventional synthesis methods , with many merits and high capabilities for large scale operation , flames synthesis offers promise for bulk synthesis of carbon nanotubes and nanofibers for a variety of applications 与传统常用的制备方法相比较,扩散火焰法拥有许多优点和适合大规模操作的能力,因此显示出大批量制备碳纳米管和碳纳米纤维的广阔应用前景。 |
| 8. | 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。 |
| 9. | Chapter five introduces the detail technics process of synthesis of carbon nanotubes by using liquid - hydrocarbon diffusion flame . chapter six discusses and analyzes the effects of every technics paramenters on the nanotubes produced by using liquid - hydrocarbon diffusion flame . chapter seven analyzes the sem and tem micro - appearances of the nanotubes produced by liquid - hydrocarbon diffusion flame and draws the conclusion of the nanotubes " cluster growth mechanism . chapter eight analyzes the sem and tem micro - appearances of the nanofibes produced by liquid - hydrocarbon diffusion flame , and considers that the growth mechanism of nanotubes and nanofibers is different 第六章讨论和分析了液态碳氢化合物燃料扩散火焰法制备碳纳米管时具体各项工艺参数的影响。第七章分析了扩散火焰法制备碳纳米管的sem形貌和tem形貌,归纳出碳纳米管团簇生长的规律。第八章对六种基板材料在扩散火焰中制备出的碳纳米纤维的sem形貌和tem形貌作了分析讨论,认为扩散火焰法制备碳纳米管和碳纳米纤维的形成机理不同。 |
| 10. | Abstract : a numerical model and experiments over pmma are used to evaluate the main assumptions used in the theoretical description of a diffusion flame established in a natural boundary layer . flow characteristics ( 2 - d boundary layer ) and surface thermal balance are identified as the critical assumptions to be evaluated . comparison of experiments , numerical results , and theoretical model serve to validate the assumptions leading to the definition of a mass transfer number but establish the need to model all three - dimensional features of the flow 文摘:对pmma进行数字模拟和试验,对描述自然边界层扩散火焰理论的假设进行评价.我们把流动特性(二维边界层)和表面热平衡作为评价的关键假设.试验、数字模拟和理论模型证实了对质量传递数值定义的假设是正确的,但研究也表明,有必要对流动特性进行三维模拟 |