controlled by diffusion

• 扩散控制

controlled by diffusion的用法和样例：

例句

1. This regime is termed mass transport or diffusion limited.
   这种方式被称作质量输送或扩散控制。
2. The knowledge of diffusion is crucial in many processes because reactions and separations are often limited by a diffusional process.
   摘要许多过程都涉及扩散控制的传质，相应的扩散速率计算对过程工程的精确量化具有重要意义。