| 1. | Studies on mutagenic effects of winter wheat by heavy ions irradiation 1结实及后代植株的影响 |
| 2. | Standard guide for the measurement of single event phenomena induced by heavy ion irradiation of semiconductor devices 半导体器件重离子照射感应产生的单件信号现象的测量标准指南 |
| 3. | Heavy ion irradiation of 80 mev 12c or 85 mev 19f is used to simulate the proton and neutron irradiation of the beam window materials for ads . the irradiation effects are examined by the positron annihilation lifetime technique 在ads散裂中子源束窗材料辐照效应研究中,使用80mev的~ ( 12 ) c或85mev ~ ( 19 ) f离子模拟中子及质子辐照在束窗材料中产生的辐照损伤。 |
| 4. | It would take several hundred days to reach such a high dose by using currently available proton and neutron sources , while only several hours to several ten hours by the energetic heavy ion irradiation 由于辐照剂量高,若用现有的质子或中子源进行辐照需要几百天时间。采用重离子辐照模拟,仅需几个小时至几十个小时即可达到所需的辐照剂量,大大缩短分析测试周期。 |
| 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. | Radiation effects have been investigated up to - 30 dpa by the heavy ion irradiation simulation and positron annihilation lifetime techniques in the home - made modified 316l stainless steel and the commercially available stainless steel and tungsten , which are used as the beam window materials for the spallation neutron source in accelerator driven radioactive clean nuclear power system ( ads ) . their radiation resistance properties are compared 本工作采用重离子辐照模拟和正电子湮没寿命测量技术研究了加速器驱动洁净能源系统( ads )散裂中子源束窗材料钨、普通不锈钢和国产改进型316l奥氏体不锈钢在0 30dpa辐照剂量范围的辐照效应,并对它们的抗辐照性能作了比较。 |