1. Base oil, thickener and additive have effect on the property of polyurea Lubricating grease. 探讨了基础油、稠化剂、添加剂对聚脲润滑脂性能的影响。
2. The capacity and efficiency of disposing slurry water were enhanced by improving the equipment of rake thickener. 通过对耙式浓缩机机械装置的改进，提高了对煤泥水的处理能力和效率。
3. The relationship between the molecular weight, distribution of molecular weight of the thickener and the performances thereof is discussed. 讨论了增稠剂的相对分子质量和相对分子质量分布与其增稠性能的关系。
