扩散
微粒子（包括原子和分子）在气相、液相、固相内或三者之间，由高浓度向低浓度方向迁移，直到混合均匀的物理运动现象。扩散速度与浓度差和介质活动性大小有关，一般在气体中最大，液体中次之，固体中最小。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Chemical geography
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| English |
|---|
| Name | diffusion |
| Chinese |
|---|
| Name | 扩散 |
| Description | 微粒子（包括原子和分子）在气相、液相、固相内或三者之间，由高浓度向低浓度方向迁移，直到混合均匀的物理运动现象。扩散速度与浓度差和介质活动性大小有关，一般在气体中最大，液体中次之，固体中最小。 |
{{htmlJSON.HowtoCite}}
NNU_Group (2011). 扩散, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/6061bb0d-5fb4-4233-98e9-f67990227da7
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