| 1. | Experimental study on proton irradiation effects of floating gate roms 器件的质子辐射效应实验研究 |
| 2. | Effects of proton irradiation on the tribological properties of phenolphthalein poly ether sulfone 质子辐照对酚酞聚芳醚砜摩擦学性能的影响 |
| 3. | Influence of 60kev proton irradiation on the transformation behavior of a tini shape memory alloy thin film 记忆合金薄膜马氏体相变的影响舷 |
| 4. | Studies on mutagenic effects and mechanism of winter wheat irradiated by proton . mutagenic effects of proton irradiation on wheat 辐照花粉对普通小麦215 ;窄颖赖草杂种的细胞学效应 |
| 5. | The experimental results show that the produced radiation damage and its thermal annealing behavior are the same for both irradiations in a - al2o3 , and that the heavy ion irradiation can well simulate the neutron and / or proton irradiation 实验表明,两种情况下辐照后的- al _ 2o _ 3材料中产生的辐照损伤及其退火效应一致,说明采用重离子辐照可以很好地模拟中子或质子辐照。 |
| 6. | In order to verify the reliability and validity of the heavy ion irradiation simulation of neutron and proton irradiations , radiation damage and its thermal annealing behavior in a - al2o3 irradiated at the equivalent dose by 85 mev 19f ions and by en > 1 mev neutrons , respectively , are studied 为验证重离子模拟辐照的可行性,首先进行了等效剂量下的中子辐照与重离子辐照后- al _ 2o _ 3样品中辐照损伤及其退火效应研究。 |
| 7. | The research on the radiation effects of materials induced by high - energy proton irradiation is of important significance in many scientific fields , such as the single event effects of semiconductor components exposed on space , accelerator - driven nuclear energy generator , tritium production by accelerator , intense pulsed ion beam technology , proton radiography , etc . the effects and mechanisms of irradiation vary vastly for different energies and intensities of proton beams 宇宙高能质子的单粒子效应( see )研究、洁静核能系统( ads )研究、加速器产氚计划( apt ) 、强脉冲离子束( ipib )技术、质子断层扫描等领域都涉及质子辐射效应问题。质子辐射对不同的材料会导致不同的效应,开展质子辐射效应产生的机制研究,掌握其效应规律,对于电子学元器件的抗辐射加固指标提出,以及在其他研究中的方案设计等都有重要意义。 |
| 8. | In the calculation , the energy deposited in aluminum by proton beams is first calculated by m - c simulation , then a 1 - d elastic - plastic fluid model is used to simulate the following thermal shock wave process as a result of thermal - mechanical effect by proton irradiation . the shape of proton is taken as a rectangle pulse with a width of 0 . 1 microseconds , the energy flux o 对于3mm的铝材料,入射粒子束为矩形脉冲(脉宽为0 . 1 s )的情况下,计算得到了电子束、质子束辐照引起铝材料断裂的能注量阈值与入射电子束、质子束能量的关系曲线,该曲线存在最小值,分别对应6mev的质子束的34 . 7j cm ~ 2和0 . 35mev电子束的42 . 1j cm ~ 2 。 |
| 9. | The radiation shielding and single event upset ( seu ) of semiconductor components induced by high - energy low - flux and the thermal - mechanical effects of materials resulting from the high - energy intense - current proton irradiation are extensively studied , following conclusions are achieved : the characteristics of space radiation environment and the potential radiation effects are investigated systematically 利用本文编制的程序,着重研究了高能质子的辐射屏蔽问题、单粒子效应中的单粒子翻转seu 、强流质子束辐照材料引起的热?力学效应等问题,从而为以后的相关研究提供了数值模拟手段。论文的主要进展有:系统地总结分析了空间辐射环境的构成、特点及其可能产生的辐射效应。 |