下列关于粒度组成的叙述中错误的是: -题库考试答案搜索网

下列关于粒度组成的叙述中错误的是:

单选题

2021-09-06 20:47

A、砂岩的粒度组成是指不同粒径范围(粒级)的颗粒占全部颗粒的百分数(含量),通常用质量百分数表示,可用筛析法和沉降法来测定
B、粒度组成分布曲线表示了各种粒径的颗粒所占的百分数,曲线尖峰越高,岩石粒度组成越均匀,曲线尖峰越靠右,岩石中粗颗粒越多
C、粒度组成累计分布曲线上,上升段越缓,岩石颗粒越均匀
D、定量计算粒度组成的均匀程度的粒度参数有粒径中值、平均粒径、分选系数、偏度和峰度

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标签：青书学堂西南石油大学油层物理(高起专)

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