|
|
|
|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The reduction in Snoek-peak height at longer annealing times is believed to be associated with segregation to lower-energy defect sites.
|
| 例句来源 | |
The answer should be that in the metric space the virtual particle pairs arise together with a correlated negative quantum energy defect, so that the total mass-energy of every pair precisely equals zero.
|
| 例句来源 | |
The deduced functional relationship between this center-of-mass proper time and the proper time of each constituent particle yields the expected binding-energy defect for the system rest mass.
|
| 例句来源 | |
A strong dependence of the cross sections on the energy defect as well as on cluster size and collision energy is found.
|
| 例句来源 | |
One is the contributions of the rotational energy to the vibational energy defect and the other is the result of the complex collision.
|
| 例句来源 | | 更多 |
|
|
|

| | The charge-transfer collision spectroscopy of He+-Cd and He+-Zn were studied by using crossed-beam technique. The results may be divided into two parts: (1) The resonant collision cross-sections for the energy defect less than 1 eV, which are consistent with the known theory; (2) The 4d9s2 configuration in Cd+ and 3d9s2 in Zn+ are strongly excited and it means that CT collision has important contribution to the population inversion mechanism of 441.6 and 325.0 nm laser lines in Cd+ and of 747.9 ... | | 用交叉束技术研究了He~+-Cd和He~+-Zn的电荷转移碰撞光谱。得到的结果可以分成两部分:1.证实了在能量亏损小于leV时存在着共振的碰撞截面,符合已有的理论计算;2.发现这种碰撞能强烈地激发Cd~+的4d~95s~2组态和Zn~+的3d~94s~2组态,对应的能量亏损远大于1eV。因此,电荷转移碰撞对Cd~+的441.6和325.0nm及Zn~+的747.9和589.4nm的激光谱线有重要的贡献。讨论了这种反常贡献的起因,认为共振的电荷转移碰撞和接着的级联跃迁可能是主要的激发机构。 | | 文摘来源 | | One electron capture process and direct exciting process both occured in collision between-He+ and Ar in energy range 70-150 keV. From the comparison of experimental results between He++Ar and He++Ne collision systems, we see that the emission cross sections of the triplet Hel of the former are much larger than those of the latter, when the velocity of incident ion He+ is small. The latter become larger than the former, when the velocity of He+ is greater than 1.0 a.u (2.2×10~8 cm/s). Therefore, the p... | | 在He~+离子和Ar原子碰撞过程中,同样存在着电子俘获激发和直接激发两种过程。本文把实验结果同He~+离子和Ne原子碰撞体系进行了比较,发现:在入射离子速度较小时,实验所得到的Hel三重态发射截面要大得多;当入射离子He~+的速度大于一个原子单位(2.2×10~8cm/s)时,情况则相反。因此,在俘获电子过程中,势能亏损同He~+离子的入射速度是两个非常重要的因素,而且它们之间存在一个竞争过程。入射离子He~+的能量范围为70—150keV。 | | 文摘来源 | | Recent experimental results on generating of excited states in collisions of single, double charged ions with He, Ne, Ar are presented. Laboratory energy range of the beams of He8+, Ar9+ (q≈1, 2) ions are (70-170)×qkeV. The optical measurement was performed by Optical Multichannel Analysis System, the wavelength range covered was 200-800 nm. Different processes of excitation have been observed in single and double charged ions collisions with atoms. The dependence of emission cross sections on the cha... | | 本文给出了单、双电荷离子和He,Ne,Ar,碰撞过程中产生的激发态的实验结果。He~(q+),Ar~(q+)(q=1,2)离子束实验室能量为(70—170)×qkeV。光学测量由光学多道分析系统(OMA)完成,波长范围为200—800nm。观察到单、双电荷离子和原子碰撞中各种不同的激发过程,讨论了发射截面和入射离子电荷数、势能亏损的依赖关系。 | | 文摘来源 | |   | | << 更多相关文摘 |
|
相关查询: | |
对查询结果不满意
|
|
|
|