Isotachophoresis results indicate that the total concentrations of organic acids in Ordovician formation waters range fr......

通过对松香改性酚醛树脂的粘度、软化点、正庚烷容纳度等性能的分析,考察了酚醛树脂制备过程中不同烷基酚单体和缩合温度对松香改......