介绍了海藻酸的生产方法：化学法和发酵法。
Then we introduced the producing methods of alginic acid. The methods include chemical method and fermentation method.
钙锌离子交换试验表明钙离子与锌离子在海藻酸古洛糖醛酸片段的离子交换会影响锌离子与甘露糖醛酸片段的结合。
The ions exchange between calcium ions and zinc ions in L-guluronic acid units would influence the binding ability of zinc ion in D-mannuronic acid units.
平常添加一点阿尔法羟基酸，使用海藻面膜增强你皮肤的微循环和均匀度。
Add alpha hydroxy acids to your routine, and use a mask with algae to increase microcirculation and even out your skin.
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