diffusion law扩散定律diffusionn.扩散；散布；传播；漫散diffusion type of oxygen supply弥散供氧diffusion-limited aggregation扩散限制凝聚模型diffusion activation energy Qcd扩散激活能Qcddiffusion weighted spectroscopy扩散加权波谱diffusion-controlled reaction扩散控制反应diffusion base plane transistor扩散基极平面晶体管diffusion resistance coefficient防扩散性系数diffusion-adsorption potential扩散吸附电位Diffusion of magnetic field line磁力线扩散diffusion controlled termination扩散控制的终止

1. The microstructure and the properties of nickel diffusion layer were also investigated.
   同时，对扩散层的组织和性能进行了研究。
2. When the water contains a high concentration of ions, the diffuse layer would obviously be compacted.
   当水中含有高浓度离子时，扩散层会明显收缩。