The ideal model of liquid chromatography in gradient elution was solved by using the characteristic approach on the assumption of a linear solvent strength model.
基于线性溶剂强度模型，应用特征线分析的方法求解梯度洗脱模式下的理想液相色谱模型。
The disadvantage is lower mechanical strength, oil, solvent and acid poor, difficult to cure more expensive.
缺点是机械强度较低，耐油、耐溶剂和耐酸碱性差，较难硫化，价格较贵。
The influences of PVA content and cross linking agent on solvent (resistance), peeling strength and structure were also studied.
另外，实验也考查了PV A含量、交联剂尿素的用量对涂膜耐溶剂性、剥离强度以及结构的影响。
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