氮、磷元素在人工湿地-池塘循环水养殖系统的收支和赋存形态
【文章页数】:68 页
【学位级别】:硕士
【部分图文】:
图2-丨复合垂直潜流人工湿地位置|W1??Figur?2-1?Position?of?composite?vertical?subsurface?flow?constructed?wetland??
?氮、磷元素在人工湿地一池塘循环水养殖系统的收支和赋存形态???(上海松承环保科技有限公司生产,型号SC—TL),下层是直径8?10cm的鹅卵石,??基质孔隙度0.55,湿地的种植植物为再力花和梭鱼草。??图2-丨复合垂直潜流人工湿地位置|W1??Figur?2-1?Positi....
图2-2人工湿地-池塘循环水养殖系统??Fig?2-2?Constructed?wetland?-?pond?recirculating?aquaculture?system??2.2湿地的运行管理??
?沉淀池?<??v?|?丨???丫??I?A0?0?|?上??s?§|?Af?A?0?U??^?II?AiAO^O?!l??|?A?A?0?0?|?养殖池塘??'■k?I?A?AO^〇!下??s?||?A|A〇5〇||-!l??。区丨A草A〇花CM證??v?|?A?〇?〇?I??....
图2-3各项在氮磷支出中所占比例??Fig?2-3?The?proportion?of?each?item?in?the?N?and?P?budgets??22??
?氮、憐元素在人工湿地一池塘循环水养殖系统的收支和赋存形态???上接表2-3??项目?N收入/kg?P收入/kg?N支出/kg?P支出/kg??Items?N?input/kg?P?input/kg?N?output/kg?P?output/kg??^?^IT"??Rainfal....
图34沉积物磷形态分级提取流程??Figur?3-1?Flow?chart?of?stepwise?extraction?of?phosphorus?speciation?in?sediments??
?第三章沉积物赋存形态与水一沉积物界面的营养盐通量???lmolLNH4Cl??|?振荡0.5h??沉积物????0.11?mol/L?BD???振杨1h??残渔?|??j?1?mol/L?NaOH??M?m?16h??0.5?mol/L?HCL??振荡16?h????残渣??1....
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