The compared test showed that VCG's flocculating was better than the unchanged chitosan, and COD's removal rate was higher with lower dosing quantity.
比较实验表明,VCG比未改性的壳聚糖的絮凝效果更好,COD去除率更高,且投加量更低。
3
Opponents claim that the turbines will spoil Cape Cod's sea views and disrupt submerged Indian burial grounds, and that, at $1 billion for the whole project, they aren't worth the cost.