A new method of leaching SiO_2 from the residue was studied in atmosphere and highly concentrated alkali solution.

提出了在常压下用高浓度碱液浸出粉煤灰提铝渣中二氧化硅的工艺；研究了二氧化硅在浓碱体系中的浸出行为。

youdao

From his point of view, this migration to sunnier climes could prove highly advantageous to the concentrated PV and tracker solution offered by Solaria.

FORBES: U.S. Army Dedicates World's Largest Low-Concentration PV Facility