| 1. | In chapter 4 , we study the electronic effective masses of single - wall carbon nanotubes by using band structures of them
在第四章中，基于单壁碳纳米管的电子能级结构，我们研究了单壁碳纳米管的电子有效质量特征。 |
| 2. | It is the goal of these collaborations to probe the energy level structure of antihydrogen to compare it with that of hydrogen as a test of the cpt theorem
探测反氢的能级结构把它与氢作比较如同一项cpt定理测试那样是这些合作的目标。 |
| 3. | The energy levels and the spectrum of the yb ~ ( 3 + ) - doped crystals were introduced . theheoretical threshold of the different crystals was calculated
在介绍yb ~ ( 3 + )离子能级结构、光谱特性的基础上，计算了对应不同能级劈裂的晶体的理论阈值。 |
| 4. | Abstract : two - dimensional hydrogen atom in uniform magnetic field is studied . it is shown that , with the increase of the magnetic field , the energy levels should split , cross and focus
文摘:研究了二维氢原子在均匀磁场中的能级结构问题，结果表明，随着磁场增强，能级出现分裂、交叉和聚束的现象 |
| 5. | By measuring the resistance ratio , level construction and distribution of the organic film , explain the electronic and optical property of the device . wu caiyun directed by fan shuping and zhou yongdong
同时测试了有机层膜的电阻率参数，研究了有机层能级结构和分布等这些物理量与器件的电学性能和光学性能间的关系。 |
| 6. | In chapter 3 , after introducing the curvature - modified electronic structures of single - wall carbon nanotubes , we study the density of electronic states . the relations between the electronic structures and tube - diameters and chiralities are discussed
第三章介绍了考虑卷曲效应后的单壁碳纳米管的电子能级结构，并在此基础上研究了单壁碳纳米管的电子态密度，以及管径和螺旋度对其电子结构的影响。 |
| 7. | Its principle can be outlined as follows : the accelerator produces a beam of fast ions which directs through the foil , because of collisions with the foil atoms the fast ions may undergo further ionization , and they often emerge from the foil in excited electronic states
其原理如下：加速器产生的高能离子束与碳箔相碰撞而失去电子，同时剩余电子被激发到高激发态，在随后的退激过程中发射谱线，通过研究这些谱线可以得到原子的能级结构。 |
| 8. | 2 . considering the energy level structure and the spectrum characteristics of yb3 + ion , we deduce the relationships between laser performances of yb3 + - doped double clad fiber laser and parameters of laser cavity from the steady state rate equations with a new model
2 .讨论了yb3 +离子的能级结构和光谱特性,并从稳态速率方程,结合谐振腔结构特点采用ido kelson和amos hardy的模型,给出了双包层光纤激光器的输出特性与激光器谐振腔结构参数的关系准解析表达式。 |
| 9. | In this thesis , we study the density of electronic states of single - wall carbon nanotubes . the effects of tube - diameters and chiralities on the electronic structures are discussed by means of the analytical expression of band structures of single - wall carbon nanotubes under the consideration of curvature effects
本文中，我们通过考虑卷曲效应后的单壁碳纳米管解析的能级结构表达式，研究了单壁碳纳米管的电子态密度，以及管径和螺旋度对其电子结构的影响。 |
| 10. | After that , this paper briefly introduced the optical splitter ' s characteristics of amplication by calculate a uniformly widen three energy level ratio equation and transmission equation . since providing these theories and results , this paper began to discuss on the material characteristic and the whole craft process in short
然后，本文通过计算均匀加宽三能级结构的速率方程和传输方程，对光分路器的增益放大特性作出了一般的理论分析。在有了以上的理论计算和分析之后，本文概括地讨论了制作光分路器的材料特性和工艺过程。 |
