The return on capital was also a good deal higher in the intensive orchard. 集約果園的資金回收率也顯著高。
Speeding up the reduction of ZnO with control of the reduction of FeO is the key subject for increasing the ZnO recycling rate. 如何加快氧化鋅的還原分離而抑制氧化鐵的還原及聚集長大將成為提高氧化鋅回收率的關鍵。