As a qualitative analysis,finite element method gets a more satisfactory result in describing the propagation of the long wave of open channel unconstant flow.

作为一种定性分析，有元法对描述明渠非恒定流长波的传播给出了满意的结果。

The current methods for the study of physic process of the geofluid's movement mainly consist of qualitative analysis, numerical simulation and analogue experiment.

流输运规律的研究方法主要包括定性分析、定量模拟和相实验等。

An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac...

用溴酚蓝对DMDAAC进行定性分析，用四苯硼酸钠及折光率法进行定量分析的方法进行了探讨。