...、负离子浓度乘积时的平衡，叫杜南（道南）平衡。 它不消耗代谢能，属于离子的被动吸收方式。 2、主动吸收（active absorption）：又叫主动运输，代谢吸收，指 细胞利用呼吸释放的能量做功而逆着浓度差吸收矿物质的过程。
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active absorption of water 主动吸水
optically active absorption band 光学活性吸收谱带 ; 光学活性吸收带
active acoustical absorption 有源声音吸纳
active absorption area 活跃吸收面积
active absorption sites 吸附活性位
active absorption system 主动吸声系统
Indica rice with large sink also had higher root activity per plant, larger root absorption or active absorption area.
高库容水稻株系抽穗期的单株根系活性高、单株根系总吸收面积和单株根系活跃吸收面积大。
The rice varieties with strong root system, large active absorption root surface and total root surface area had strong tolerance to copper poison.
根系发达、根系活跃吸收表面积及总吸收表面积大的品种，有较强的耐铜毒性。
The results not only confirmed the absorption of MPS but also showed that the active ingredient reaches the individual dermal layers in therapeutic effective concentrations.
研究结论证实MPS(多磺酸粘多糖)不但能透皮吸收，而且其活性成分能在各真皮亚层达到有效的治疗浓度。
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