| 1. | Reviews on the emission mechanisms of carbon nanotubes
碳纳米管场发射机理述评 |
| 2. | A study on acoustic emission mechanism in engine tribological process for piston - liner
缸套磨损过程声发射机理研究 |
| 3. | Emission mechanism of volatile compounds from ashleaf maple feeding - damaged by anoplophora glabripennis motsch
光肩星天牛取食后复叶槭挥发物的释放机制 |
| 4. | For example , the simultaneous multiple wavelength observation of certain pulsars help astronomers to more precisely determine their radiation emission mechanism
例如利用这观测法来观测脉冲星，可帮助天文学家确定其辐射发放机制。 |
| 5. | Carbon nanotubes were regarded as one of the most outstanding field emission materials , but up to now the viewpoints on their field emission mechanism were different . swnts " structure is simple and the relationship of their structure and properties is direct
单壁碳纳米管的结构较为简单，结构与性能之间的关系比较直接，用场发射场离子综合测试仪对其场发射特性进行研究有助于对其场发射机理的认识，明确单壁碳纳米管的端口结构与其场发射特性之间的关系。 |
| 6. | With the development of high power microwave tube , the theoretical and experiment investigation of the high performance cathode have been conducted . the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission , the measurement of the inner and surface fine structures of the cathode , the discussion of emission mechanism of thermionic cathode . after a lot of experiment , we finally determined the cathode preparation with an excellent emission
为了适应大功率微波管的发展，本文展开了对高性能(大电流密度、长寿命)阴极的研究，研究工作包括阴极制备工艺、钡钨阴极基金属对阴极发射性能影响、以及钡钨阴极基底内部结构无损检测及表面形貌检测、钡钨阴极发射机理探讨及应用四个方面的实验和理论的研究。 |
| 7. | Research on their field emission characteristics with fem and fim is helpful to the understanding of their field emission mechanism and the relationship of their end structures with their field emission properties . two methods of assembling swnts on tungsten tips such as physical method and chemical method were provided . the influence of different assembling methods on their field emission characteristics was analyzed
本文给出了将单壁碳纳米管组装到钨针尖上的两种方法，即物理组装方法和化学组装方法，并分析了不同组装方法对单壁碳纳米管场发射特性的影响，讨论了单壁碳纳米管场发射像与场离子像之间的对应关系以及单壁碳纳米管场发射电流的稳定性及其影响因素等。 |
| 8. | As a nondestructive technique to measure the inner fine structure of the cathode , the ict has the unique advantage . we discussed the emission mechanism of thermionic cathode , and tried to explain the excellent performance of mixed metal cathode by richardson formula and muller ' s computational model
4 )就当前钡钨阴极发射机理的两个主要理论模型作了自己的探讨，并初探了钡钨阴极中钡的供应机制及发射寿命预测的问题，而且用理查逊公式的推导和muller计算机模拟法解释了混合基钡钨阴极的优良性能。 |
| 9. | Pulsar radio emission is markedly different from other astrophysical radio sources , characterised by extremely high brightness temperature and high degree of linear or circular polarization . the high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent . so far there is no widely accepted model for the radio emission . this paper discusses recent developments in studies of the production and propagation of pulsar radio emission
脉冲星的射电辐射与其他天体物理辐射源有很大的不同,因为它们有着极高的亮温度和高度的线或圆偏振.极高的亮温度意味着起作用的发射机制一定是相干的.至今尚无对这种辐射普遍接受的模型.本文讨论了关于脉冲星的射电辐射产生和传播研究中的新进展 |
