1·The paper discussed the extraction of chitosan and the applications of chitosan to the control of the environmental pollution, such as the industrial foul water and the radioactive contamination.
对壳聚糖的提取和它在工业污水、核污染等方面的环境污染防治上的应用进行了讨论。
2·Therefore working in foul water , it is very reliable not to stop up the operating .