脉冲电场作用对植物释放负离子与气孔特征的关系
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Relationship Between Negative Air Ion Generation by Plants and Stomatal Characteristics Under Stimulation of Pulsed Electrical Field
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图2. 自然状态下植物24小时释放负离子浓度的变化趋势 |
Figure 2. The changes in negative air ions concentration over 24 h for plant varieties under normal condition |
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