• This is very helpful in directing the measurement of mean soil conductivity.

    一结果测定田间土壤平均电导率具有重要指导意义。

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  • Soil conductivity represents the conductive capability of soil solution in digital form, reflecting the state of water and salt in the soil.

    土壤电导率是以数字形式表示土壤溶液导电能力反映土壤状况

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  • Results showed that spatial, variability did exist in the coastal saline soil, and it fit for a line model. The SVS distance limit of soil conductivity was about 6.0 m in the experiment.

    结果表明海涂土壤电导率空间变异结构确实是存在表现线性模型,所研究地块上土壤电导率空间变异结构的变程为6.0

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  • They all check the conductivity of the soil.

    他们检查土壤导电性

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  • The effect of irrigation water quality on unsaturated hydraulic conductivity (k) of undisturbed soil and its mechanism were studied.

    本文研究了灌溉水质田间原状土壤非饱和水率影响及其机理。

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  • According to measured soil salt elements, dynamical changes of soil salt contents, conductivity and dominating ions in soil sections in different seasons were analyzed.

    根据实测土壤盐分要素,分析不同季节土壤盐分含量电导率主要离子土壤剖面中的动态变化及其原因。

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  • Soil hydraulic conductivity is closely related to the movement of water and salts in soil profiles and is highly affected by solution salt concentration and its composition.

    水力传导度变化直接影响土壤剖面运动,土壤溶液盐分浓度及其组成很大关系

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  • This instrument can measure soil thermal conductivity quickly with thermal needle method.

    仪器针法快速测量的热导率

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  • Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.

    通过室内淋洗试验,研究了PAM施用量施用方式不同碱度土壤饱和水力传导度影响

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  • The crust method was used to study the unsaturated hydraulic conductivity of three kinds of seashore saline soil.

    采用结壳滨海盐渍非饱和导水率进行了研究

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  • Sensitivity analysis of model parameters showed: Saturated hydraulic conductivity is the most sensitive factor for two soil groups, and saturated water content takes second place.

    模型参数敏感性分析表明饱和水力传导度敏感参数,饱和含水量的敏感性次之

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  • The line source model, the simplified cylindrical source model and the two-dimensional numerical model were used to determine the thermal conductivity of underground soil.

    本文用地热泵地下换热器线热源模型简化热源模型维瞬态数值传热模型对地下土壤导热系数分别进行了计算

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  • The results indicate that, as a whole, the conductivity of soil enhances with the increase of the content of sand and water.

    结果表明总体上讲土壤导热系数随含水量增加而增大。

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  • The testing method of soil thermal conductivity is introduced. The testing system of soil thermal conductivity is designed according to the reverse solution of heat transfer model.

    介绍了土壤测试方法根据传热模型解法设计了土壤热导率测试系统

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  • The fast testing of water content in soil is influenced by the soil type and its conductivity. The key of the fast testing of water in soil is the testing precision.

    土壤含水量土壤电导土壤类型等诸多因素的影响,如何确保测试精度实现土壤含水量速测关键

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  • The results showed that the soluble salt in S. salsa planted soil decreased by 41 % (method of weight) and 37% ( method of electric conductivity) compared with that of control respectively.

    结果表明,种植区碱根系土壤可溶性盐分对照土壤相比下降了41%(重量37%(电导法);

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  • The results showed that coastal soils had low organic matter, high electrical conductivity and sand content, and some soil properties changed with reclamation years.

    土壤理化性质分析结果表明海涂土壤总体有机质含量电导率含砂并且随着围垦时间的增长呈现出规律性的变化

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  • In this paper, the concept and the method of scaling are described, and some examples of scaling of soil water characteristic curve and unsaturated hydraulic conductivity are given.

    本文简述了标定原理田间土壤水分特征曲线非饱和水率标定方法,还给出了水分运动参数标定的实例

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  • The soil electrical conductivity reduces along with the degeneration intensifying.

    土壤电导率退化程度的加剧减小

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  • The saturated hydraulic conductivity of undisturbed soil can represent the really case in the field and is significant to study soil moisture balance and soil water conservation.

    原状饱和水率反映田间实际情况研究土壤水分平衡水土保持有极其重要的意义。

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  • The soil electrical conductivity is considered as an important way in soil salinity research.

    土壤电导测定研究土壤含盐量的重要方面

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  • Test results show that the thermal conductivity of PS reinforced soil is reduced; furthermore, the larger the concentration of PS is, the smaller the thermal conductivity of soil is.

    结果表明,经PS材料加固遗址土体具有热传导减小的趋势,并且PS材料浓度越大,加固土体的热传导率小。

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  • The testing system of soil thermal conductivity is designed according to the reverse solution of heat transfer model.

    介绍了土壤测试方法,根据传热模型解法设计了土壤热导率测试系统

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  • The result shows that the saturated hydraulic conductivity has great spatial variability with the various coefficient 67%, and the soil bulky density has lower variability.

    结果表明饱和导水率具有较大的空间变异性,变异系数达67%;

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  • The soil saturated hydraulic conductivity in different vegetation degeneration type and its influential factors in southwest karst region of China were studied.

    通过西南喀斯特地区典型土壤饱和导水率分析,研究了喀斯特地区不同植被退化类型下土壤的饱和水率及其影响因素

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  • It is found by indoor experiments that the thermal conductivity of saline soil has very close relation with salt component (salts) and salt content.

    室内试验表明,含盐土导热系数与其含盐成分(盐类)及含量很大关系

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  • An ion chromatography method with suppression-conductivity detection has been developed for the detection of residuary chlorate in the soil after explosion with a high concentration of nitrate.

    本文建立了离子色谱-抑制电导检测测定含有高浓度硝酸爆炸尘土中残留氯酸根的方法

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  • The simulation based on the model shows that the variation tendency of soil moisture content with temperature measured by the EC-5 sensor is closely related to the soil electrical conductivity.

    通过模型仿真分析发现EC-5传感器测得土壤水分含量温度变化趋势与土壤电导率密切相关。

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  • It is of great significance to the study of ionic contamination that the electrical conductivity of pore fluid in saturated sandy soil reflects the ion content.

    饱和砂性孔隙电导率直接反映了孔隙水中离子含量,对研究土体离子污染重要意义。

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  • It is of great significance to the study of ionic contamination that the electrical conductivity of pore fluid in saturated sandy soil reflects the ion content.

    饱和砂性孔隙电导率直接反映了孔隙水中离子含量,对研究土体离子污染重要意义。

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