boron diffusion

例句：

1. 1. The process of boron diffusion is crucial for the growth of certain types of plants.
   硼扩散过程对某些植物的生长至关重要。
2. 2.In the field of materials science, boron diffusion has been widely used to improve the properties of metals and alloys.
   在材料科学领域，硼扩散被广泛用来改善金属和合金的性能。
3. 3.The researchers found that boron diffusion could be controlled by adjusting the concentration of boron in the solution.
   研究人员发现，可以通过调整溶液中硼的浓度来控制硼的扩散。