| 1. | We can approach the limiting case of free propagation by allowing the aperture dimensions to increase indefinitely .
让孔的线度无限增大，我们就能趋近于自由传播的极限情况。 |
| 2. | Study on the stratification and critical size in siderite heattreatment
菱铁矿热处理分层现象及临界线度的研究 |
| 3. | Standard practice for use of the tex system to designate linear density of fibers , yarn intermediates , and yarns
用特克斯制命名纤维,纱的半制品,纱和其它纺织品线度的标准操作规程 |
| 4. | Therefore , we deduce that the lattice constant of the covalent nanocrystallites will increase with the decreasing of the grain size
由此我们推断共价结构纳米微粒的晶格常数随着晶粒线度的减小而增大。 |
| 5. | In the end , influence of grain size on the magnetic properties of the samples in the room temperature is studied by the magnetic hysteresis loop
最后，还研究了几种纳米晶微粒的晶粒线度对其磁学性质的影响。 |
| 6. | It was found that the lattice constant increased with the decreasing grain size of some nanocrystallites , while some changed inversely
在关于纳米微晶的研究中，人们发现有的材料的晶格常数随着晶粒线度的减小而增大，有的材料的晶格常数随着晶粒线度的减小而减小。 |
| 7. | In this paper , we study the relationship between the lattice constant and the grain size of the nanocrystallites from both the theory and the experiment in order to find out a united principle to explain these phenomena
本文从实验和理论两个方面研究纳米晶的晶粒线度与晶格常数之间的关系，以致力于找出这类问题的一个统一的规律。 |
| 8. | In this thesis , a three - dimensional model is proposed for the computer simulation of " grain growth in ceramics with abo3 structuxe , which is developed with microsoft visual c + + and opengl
本论文的主要研究内容是从原子线度出发，根据montecarlo仿真方法建立abo _ 3型陶瓷晶粒生长的三维仿真模型，并用microsoftvisualc + +和opengl开发相应的仿真软件。 |
| 9. | We find that the lattice constant of ionic crystallites like nacl cscl structure decreases with the decrease of the grain size ; the lattice constant of metal crystallites like fcc , bcc structure increases with the decreasing of the grain size
发现对于fcc 、 bcc结构的金属晶体来说，晶河北师范大学硕士研究生论文格常数随着晶粒线度的减小而减小。这些结果与实验定性地一致。 |
| 10. | The theoretical results are in good agreement with the experimental ones qualitatively . however , as to y - fe _ ( 2 ) o _ ( 3 ) nanocrystallites , the lattice constant increases with the decreasing of the grain size . it is opposite to the result of ionic crystallites
然而，丫一f勺伪纳米微粒的晶格常数随着晶粒线度的减小而增大，与我们实验和理论中对离子晶体所讨论的结果恰好相反。 |
