英语语法分析

Crosslinking alginic acid is an environmental friendly and cheap adsorbent.

交联后的海藻酸是一种价格低廉，绿色环保的吸附剂。

Fig. 1. Effect of infection time by alginic acid decomposing bacteria on the production of reactive oxygen species.

图1。褐藻酸降解菌感染时期对海带活性氧产生的影响。

Then we introduced the producing methods of alginic acid. The methods include chemical method and fermentation method.

介绍了海藻酸的生产方法：化学法和发酵法。