研究了水溶性壳聚糖作为絮凝剂对工业废水如印染废水、食品废水、洗瓶废水等的处理效果。
This article studied the production technology of soluble chitosan and its treatment effect to industrial wastewater as a kind of flocculants.
趁着没忘，送给你一瓶柔软调理剂，这是免费赠送的，这是为洗这种毛衣特制的。
Before I forget, here is a bottle of complimentary wool softening conditioner. It's specially made for washing the sweater of this kind.
准备2-3个1磅左右容量的玻璃瓶和盖子，放到加了少许洗涤剂的温水里洗干净透彻后，用热开水浸泡冲洗后晾干。
Prepare2 or31 lb-jars and lids by washing well in warm soapy water and rinsing thoroughly. Bath them in a pan of boiling water for a while. Dry the jars.
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