When we were Year Three, I loved when we went and made crystals with Potassium AluminumSulphate and rocks and warm water. I was so excited when we managed to really make crystals.
三年级时,我喜欢那个时候我们用硫酸铝钾、石块和温水制作水晶,当我们真正做出水晶时,我特别的兴奋。
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Sulfuric acid, phosphoric acid, aluminumsulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
Jar-tests were conducted to study the similarities and differences between aluminumsulphate and ferric chloride in their mechanism of removing bacteria in raw water from Huangpu river.