The study covers regional geological setting; soil mineralogy; soil element geochemistry; soil nocuousness element geochemica characteristics; geochemica appraises of the farmland soil quality and so on.
内容包括:区域地质背景;土壤矿物学;土壤元素地球化学;有害元素地球化学特征;耕地质量地球化学评估等。
参考来源 - 宜宾市江安县桐梓镇耕地土壤地球化学特征研究·2,447,543篇论文数据，部分数据来源于NoteExpress
There is great influence of the incident Angle, the incident frequency and the depth of the soil element on the shape of stress path.
入射波的入射角、入射频率及单元体所处深度对动应力路径的形状有较大的影响。
At the center of haloxylon ammodendron, the content of soil element was higher than other regions, and displayed"fertile island"and"salinity island".
研究区梭梭中心各土壤要素含量均高于周围，表现出“肥岛”和“盐岛”特征；
The special soil element method, which avoids some complex work in traditional methods, is supported in this paper to consider the action of current scour.
采用特殊土单元法考虑水流冲刷作用，避免了传统有限元程序计算中一些复杂、繁琐的工作。
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