The unexpected meeting with the girl made the "sense of orphan" deeply in my heart introspected so that the "impure thinking" could be purifi.
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It is proved that I. aquatica could be used to purify the eutrophicated water body.
蕹菜对受试水体表现了良好的适应性和净化能力。
More fine properties of products could be gained by adding sodium hydroxide as neutralization process, and using water and methanol in sequence to purify product.
用氢氧化钠中和反应混合物后，再用反应前馏分、水和甲醇先后洗涤，烘干后粉碎即得高性能产品。
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