soil capacity

Generally, the higher the groundwater, the stronger evaporating capacity of dive and more soil salic are.

盐渍土的形成于地下水位高低和矿化度的大小密切相关,一般地下水位越高, 潜水蒸发量越强烈,土壤 积 盐就越多.

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The system have 11 indicators, including the organic matter, phosphorus, potassium, zinc and effective, texture, pH, profile configuration, landform type, soil parent materials, guaranteed rate of irrigation and drainage capacity.

研究建立了荆州市耕地地力评价指标体系，选取了有机质、有效磷、速效钾、有效锌、质地、pH、剖面构型、地貌类型、成土母质、灌溉保证率和排涝能力11项指标。

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The bearing capacity of soil among piles at road shoulder and toe of slope is underutilization.

路肩及坡脚处未充分利用桩间土的承载潜力。

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Study on Standard Error of Cubic Capacity of Soil and Rock Measure

土石方计量标准的误差研究

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This model mainly depends on the parameters below: surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of terrain, cloudage.

模式主要依赖于以下参数和物理量：地面反照率、下垫面粗糙度、土壤的可含水量、下垫面的热容量和热扩散系数、云量等参数。

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By analysing measured force and velocity signals under the impact of a heavy hammer the bearing capacity, degree of integrity and inner stresses of a pile, as well as the soil resistance distribution along its length can be given by the PDA.

在重锤锤击下，PDA得到一实测力信号和一实测速度信号，分析这些信号，可以得到桩承载力、桩身完整性和桩长、桩侧摩阻力分布和桩身应力。

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There were more nematode cysts in soil where the content of phosphorus and potassium were naturally rich and where the water capacity was higher. Most nema-todes inhabited in 5-30 cm cultivated horizon.

CCN多居于自然含磷、钾元素多且保水性能好的油沙土中，以5～30cm的耕作层孢囊量较多。

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Pile-soil stress ratio is an important parameter which affect the behavior of pile-net composite foundation, and it also is a target of calculating bearing capacity and displacement.

桩土应力比是反映桩~网复合地基工作状态的一个重要参数，也是计算桩~网复合地基承载力和沉降的重要指标；

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Desiccation happened in the entire soil profile is a direct cause of the yield fluctuation for high-yield field, but low water absorbing capacity of the crop for low-yielding field.

高产田作物耗水量较高，从而导致土壤相对干燥化。土壤干燥化是高产田产量产生波动性的直接原因；

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Firstly, soil aspect, the non-balanced time series model for forecasting soil aquiferous capacity is built up by stochastic theory, and the BP network model is set up by MATLAB artificial neural network tool, the forecasting result is very good.

第一，关于土壤方面，利用随机理论建立了预测土壤含水量的非平稳时序模型，同时运用MATLAB人工神经网络工具箱建立了土壤含水量预测的BP网络模型，取得了较为满意的效果。

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