[Retracted] Development of Urban Waste Recycling Industry from the Perspective of Ecology

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Na<sup>+</sup></td><td class="align_center">K<sup>+</sup></td><td class="align_center">Ca<sup>2+</sup></td><td class="align_center">Cl<sup>-</sup></td><td class="align_center">Zn<sup>2+</sup></td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Concentration</td><td class="align_center">14369.2</td><td class="align_center">4341.4</td><td class="align_center">768.78</td><td class="align_center">45418.8</td><td class="align_center">0.04</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main components of fly ash washing solution.</div>

International Journal of Antennas and Propagation

tab4

Table 4

Table 4: [Retracted] Development of Urban Waste Recycling Industry from the Perspective of Ecology 