例句與造句

1. This scheme prohibits dislocation pile-up and instead results in grain boundary diffusion.
2. This enhances grain boundary diffusion and migration as well as densification of the material.
3. Densification is only achieved at temperatures above 1800 癈 once grain boundary diffusion mechanisms become active.
4. Diffusion processes caused by electromigration can be divided into grain boundary diffusion, bulk diffusion and surface diffusion.
5. The " grain boundary diffusion " terms the free migration of atoms in free atomic lattice spaces.
6. It's difficult to find boundary diffusion in a sentence. 用boundary diffusion造句挺難的
7. Grain boundary diffusion is significant in face centered cubic metals below about 0.8 T melt ( Absolute ).
8. In general, grain boundary diffusion is the major electromigration process in aluminum wires, whereas surface diffusion is dominant in copper interconnects.
9. In general, surface diffusion occurs much faster than grain boundary diffusion, and grain boundary diffusion occurs much faster than lattice diffusion.
10. In general, surface diffusion occurs much faster than grain boundary diffusion, and grain boundary diffusion occurs much faster than lattice diffusion.
11. The pore elimination occurs faster for a trial with many pores of uniform size and higher porosity where the boundary diffusion distance is smaller.
12. Atomic diffusion in polycrystalline materials is therefore often modeled using an effective diffusion coefficient, which is a combination of lattice, and grain boundary diffusion coefficients.
13. In certain cases, the solutions are obtained for boundary conditions such as constant source concentration diffusion, limited source concentration, or moving boundary diffusion ( where junction depth keeps moving into the substrate ).
14. The size distribution of ice crystals changes with depth and approaches the Normal Grain Growth law via competing mechanisms of fragmentation ( producing smaller polygonal grains ) and grain boundary diffusion ( producing larger, vertically compressed, horizontally expanded grains ).
15. Control of temperature is very important to the sintering process, since grain-boundary diffusion and volume diffusion rely heavily upon temperature, the size and distribution of particles of the material, the materials composition, and often the sintering environment to be controlled.
16. where A is a constant based on the cross-sectional area of the interconnect, J is the current density, Ea is the activation energy ( e . g . 0.7 eV for grain boundary diffusion in aluminum ), k is the Boltzmann constant, T is the temperature and n is a scaling factor ( usually set to 2 according to Black ).
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