詞語：acid-stage
acid-stage的參考例句
1.In the second stage, lactic-acid molecules are linked into long chains, or polymers, in chemical-reaction vessels, to produce PLA. 其次，乳酸分子於化學反應容器中連成長鏈或組成聚合物，然後產生聚乳酸纖維。
2.A simple method is described that can be used to determine bicarbonate and volatile fatty acid in wastewater by a two-stage sequential titration. 用二終點連續滴定方法測定污水中的碳酸氫根和揮發性脂肪酸的含量，結果準確，方法簡單易行，值得應用。
3.Effects of reaction condition in urea-formaldehyde resin production, especially during the acid stage, on the formaldehyde emission were discussed. 討論了尿醛樹脂的合成過程，特別是酸性縮聚階段的工藝條件對樹脂甲醛釋放量的影響。