In domestic waste water (WW) treatment poly electrolyte (PE) dosing is often used in different steps of the treatment process to concentrate suspended solids in
The seasonal over-growth of Synedrasp.in the rivers and reservoirs in China was reported to have caused serious problems with short filter runs,even complet
The methods of extraction and determination of the total carotenoids in the leaf-head of orange-heading Chinese cabbages(Brassica campestris ssp.pekinensis(