• The article investigates and analyzes the content of organic matter and cationic exchange of upper and under layer of soil planting vegetable of 14 villages in Chenggong county.

    呈贡县14个蔬菜土壤下层有机质含量阳离子交换量进行调查分析

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  • The results indicate that dynamic characteristics of upper layer soil are major factors that affect the complex stiffness of pile.

    通过参数影响分析研究发现,成桩顶刚度主要上部土层动力特性及性质影响;

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  • Methods of monitoring moisture of upper soil layer with NOAA-11 data are discussed.

    讨论了气象卫星资料监测表层土壤湿度方法

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  • A kind of complex geomembrane was laid in the upper layer of the roadbed to prevent water penetration, therefore the lower classed soil could be used as fill of embankment.

    利用二布防渗特性铺设路基基床表层,改良路基填料

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  • When in cuttage, the part of the branch buried in the ground is cut into the river sand matrix of the upper layer, but is not suitable for rising over the river sand to penetrate into the soil layer.

    扦插枝条入土部分则应扦插上层河沙基质中,不宜越过河沙,深入土层中去。

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  • When in cuttage, the part of the branch buried in the ground is cut into the river sand matrix of the upper layer, but is not suitable for rising over the river sand to penetrate into the soil layer.

    扦插枝条入土部分则应扦插上层河沙基质中,不宜越过河沙,深入土层中去。

    youdao

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