... 浓集器集尘箱[斗] concentrator dust hopper 浓碱 concentrated alkali 浓铅 lead concentrate ...
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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。
If accidentally stained with paint, you can use gasoline cleaning, attention: do not spray concentrated acid, strong alkali and other strong corrosive substances.
如不慎沾染油漆，可以使用汽油清洗，注意：请勿喷洒浓酸浓碱等强腐性物品。
The experiments on decomposing phosphate rock and concentrated phosphate rock samples by alkali fusion in microwave oven were done.
尝试用微波炉代替马弗炉进行磷矿石和磷精矿试样的碱熔分解。
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