In our country natural bentonite and the chitosan resources are abundant.
我国天然膨润土和壳聚糖资源丰富。
参考来源 - 一种改性膨润土负载壳聚糖水处理剂的研制和应用Characteristics of clay mineralogy,major and trace elements for the clay rocks argue that the studying clay rocks should be volcanic in origin and known as K-bentonite.
综合粘土岩的粘土矿物组成、主量元素及微量元素特征,认为其成因上应属火山成因的钾质斑脱岩。
参考来源 - 贵州乌当地区泥盆系乌当组下部粘土岩成因的初步研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N a valuable clay, formed by the decomposition of volcanic ash, that swells as it absorbs water: used as a filler in the building, paper, and pharmaceutical industries 膨润土
应用推荐