总之，运用激光粒度分析土壤机械组成是可行的。
In sum, using laser grain-size analysis in studying soil mechanical composition was feasible.
本文以郑州邙山赵下峪剖面为例，研究了黄土-古土壤序列的容重及其与磁化率、粒度的关系。
Taking Zhaoxiayu section, Mangshan, Zhengzhou as an example, this paper has studied the volumetric weight of loess palaeosol sequences and its relation with susceptibility as well as its grain size.
结果表明，黄土高原土壤中的大多数元素含量和黄土母质接近，且具有粒度相关型的地域分异规律。
The results showed that great majority of elements contents on the loess plateau approach to element in loess parent materials.
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