该截面值与离子种类和离子的束流密度密切相关。
The collision cross-section are related to ions species and flux.
和人工催化剂相比，酶所包裹的金属离子种类十分有限。
Compared with artificial catalysts, enzymes are wrapped around a relatively limited range of metals at their core.
表面水的厚度与浆料的带电性和浆料中的阳离子种类有关。
The thickness of surface water film depends on the positive ion in pulp.
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