| This paper mainly studied the effect of high-voltage pulsed electrical stimulation on negative air ions(NAI)generation by 30 kinds of common indoor ornamental plants.The results are as follows:1.The levels of NAI generated by indoor pot ornamental plants under natural conditions.The research shows that under the natural state of 30 species(varieties)plants indifferent processing,the concentration in NAI levels of experimental group is 69-418 ion/cm3,the concentration in NAI levels of control groups is 69-418 ion/cm 3 is 54-307 ion/cm 3.In the 30 kinds of selected plant,the experimental results show that the overall average concentration in NAI levels of experimental group is 238 ion/cm3 and the overall average concentration in NAI levels of control group is 196 ion/cm3.The overall average concentration in NAI levels of experimental group was increased by 22.2%than the control group plants.Among the plants of experimental group,Chlorophytum comosum releases the highest average concentration in NAI levels whose average concentration is 418ion/cm3.The second is Taxus mairei and its average concentration 376 ion/cm3.The plant releases lowest average concentration in NAI levels is Aspidistra elatior Blume and the average concentration is 69ion/cm3 which is 15.6%of the Chlorophytum comosum's.Among the plants of control group,Taxus mairei releases the highest average concentration in NAI levels whose average concentration is 307ion/cm3.the second is Aglaonema moaestum and its average concentration 292ion/cm3.The plant releases lowest average concentration in NAI levels is Alpinia zerumbet and the average concentration is 54ion/cm3 that is 17.6%of the Taxus maire's.2.The variation in NAI levels of 20 species plants whose leaves were did differentprocessing electro stimulated by Pulsed Electric Field(Um=15kV,?=lHz,T=70ms).The research shows that under the electro stimulated by Pulsed Electric Field state of 20 species(varieties)plants in different processing,the concentration in NAI levels of experimental group is 13321 to 4845669 ion/cm3,the concentration in NAI levels of control groups is 81 to 2057592 ion/cm3.In the 20 kinds of selected plant,the experimental results show that the overall average concentration in NAI levels of experimental group is 1072933 ion/cm3 and the overall average concentration in NAI levels of control group is 247254 ion/cm3.The overall average concentration in NAI levels of experimental group was increased by 430%than the control group plants.Among the plants of experimental group,Pachira aquatica releases the highest average concentration in NAI levels whose average concentration is 4845669ion/cm 3.the second one is Codiaeum variegatum and its average concentration 354672 ion/cm.The third one is Ficus elastica and its average concentration 3047774 ion/cm3.The plant releases lowest average concentration in NAI levels is Chlorophytum comosum and the average concentration is 13321 ion/cm3 that is 0.27%of Pachira aquatica's%.Among the plants of control group,Asparagus setaceus releases the highest average concentration in NAI levels whose average concentration is 2057592ion/cm3.the second is Dracaena cinnabari and its average concentration 1572461ion/cm3.The plant releases lowest average concentration in NAI levels is Philodendron martianum and the average concentration is 81 ion/cm3.3.The variation in NAI levels of Aspidistra elatior Blume and Sansevieria trifasciata plants whose leaves were did certain continuous processing electro stimulated by Pulsed Electric Field(Um=15kV,?=1Hz,T=70ms).Through the analysis we get that the regression equation of Aspidistra elatior Blume is:Y=7871.678X+35418.533 and the Sansevieria trifasciata 's regression equation is:Y=2138.687X+145904.364.X is the area of the blade transverse section to the corresponding plants.Y is the NAI's concentration of the plants.Functions showed significant relationship between the area of the blade transverse section and the levels of NAI generated by plants through regression analysis. |
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