The proportion of DNPAOs increased from 15.5% to 73% of total phosphate accumulating organisms after three phase selection.
经过3个阶段的选择和富集，反硝化聚磷菌在聚磷菌中的比例从15 %上升到73% 。
The invention adopts porous graphite-base phase change energy-accumulating composite material powder and steel tube to make phase change energy-accumulating cell.
本发明采用多孔石墨基相变储能复合材料微粉和钢管等材料制作相变储能单元。
The composite phase change material of the invention not only has large potential heat and excellent energy accumulating effect, but also has good figuration performance and high stability.
本发明的复合相变材料不仅潜热量大、蓄能效果好，而且定形性能好，同时具有稳定性高的特点。
The composite phase change material of the invention not only has large potential heat and excellent energy accumulating effect, but also has good figuration performance and high stability.
本发明的复合相变材料不仅潜热量大、蓄能效果好，而且定形性能好，同时具有稳定性高的特点。
应用推荐