• 土壤入渗性能评价土壤水源涵养功能重要指标

    Soil permeability is an important index of evaluating water source conservation function.

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  • 土壤入渗特性决定沟灌灌水性能重要参数之一

    Soil permeation characteristics is one of the important parameters determining the watering performance of furrow irrigation.

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  • 蓄水条件下土壤入渗在变水头作用进行的。

    Water infiltration of water storage pit irrigation is under varying-head conditions.

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  • 土壤入渗速率孔隙度之间具有明显的线性相关关系。

    There is a clear linear positive correlation between the soil water infiltration rate and the soil porosity.

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  • 因此土壤入渗通用公式比较适合模拟该区土壤入渗过程

    The result showed that the current formula of soil infiltration adapted to simulate soil infiltration process in this studied area.

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  • 结果表明森林小流域林地土壤入渗速率显著高于荒坡草灌小流域。

    The results indicated that the soil infiltration rate in forest watershed is obviously higher than that in rangeland watershed.

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  • 利用人工模拟降雨装置影响坡耕地土壤入渗诸因素进行了研究。

    Using the simulated rainfall methods, the affecting factors of soil infiltration are studied.

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  • 回归分析表明土壤入渗速率入渗时间之间存在显著的幂函数关系。

    Regression analysis shows that the soil infiltration rate is significantly correlated with time.

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  • 土壤入渗性能对水资源转换利用农业管理方面有着十分重要的作用。

    Soil infiltrability is an important issue in water resources transformation and utilization as well as agricultural water management.

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  • 本文研究均质土壤、表面供水强度已知超过土壤入渗能力入渗模型

    This paper deals with an infiltration model in which rainfall or sprinkling intensity are known but it is less than the infiltrability of soil.

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  • 喀斯特峰丛洼地土壤碎石含量较多,土壤入渗蒸发明显影响

    The content of gravel in karst peak-cluster depression area is more, and which has significant influence on soil infiltration and evaporation.

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  • 土壤入渗通用公式与实测曲线入渗衰减阶段入渗过程最为相似合较好。

    The current formula of soil infiltration was similar to infiltration process in the initial phrase and can simulate total infiltration process better.

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  • 土壤入渗速率入渗时间函数关系入渗速率与土壤容重相关关系。

    Infiltration rate of soil and infiltration time have power function, but between the infiltration rate and soil bulk density, they have a negative correlation.

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  • 随着降雨雨型变化,土壤入渗速率时间变化曲线常态入渗时迥然不同

    The curve of soil infiltration rate with time is different greatly from that of normal infiltration in press.

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  • 基于大田土壤入渗试验讨论了玉米秸秆覆盖土壤冻融特点及入渗能力影响

    Based on soil field infiltration test, the effects of corn straw mulch on freezing-thawing soil infiltration capacity are discussed.

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  • 研究表明,随着植被演替的进展,群落生物量逐步增加土壤入渗能力显著改善

    The results show that after land use conversion, the natural vegetation communities soon exhibited positive succession, with increasing biomass and improving soil infiltration.

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  • 芦苇改变土壤入渗土壤理化性质,从而影响湿地土壤苯酚吸附能力

    Through changing soil infiltration and physicochemical properties of rhizosphere, reed can affect adsorption ability of wetland soil on phenol.

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  • 土壤入渗田间水循环重要组成部分,国内外学者提出了具有不同特点用途入渗模型。

    Soil water infiltration is a critical component of field water circulation, and Numbers of infiltration models with different properties and functions were established.

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  • 人们现代表层土壤入渗特性研究较多黄土地层入渗规律含水条件方面研究较少

    People has done many researches on the infiltration characteristics of modern surface soil, however vertical strata and water infiltration conditions of loess are rarely done.

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  • 基于田间实测的地表水流推进过程,利用水量平衡推求波涌灌溉间歇供水条件土壤入渗参数

    Based on water flow advance data observed in fields, infiltration parameters under surge water application were determined with water balance method.

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  • 因此改变矸石局部地形缩短坡快速恢复植被提高土壤入渗是减少水土流失有效途径。

    Therefore, altering the small landform in waste rock hill partly, shorting the length of slope, recovering vegetations quickly, raising.

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  • 土壤水分下渗能力曲线出发,理论实验分析两方面说明水土保持措施土壤入渗性能改良作用。

    Based on infiltration capacity curve, the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis.

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  • 但由于微咸水中含有各种盐分离子影响土壤入渗特征,并不同土壤初始含水量会表现出不同影响程度。

    Some salt ion in the slight saline water will affect soil infiltration, when the slight saline water is used to irrigate the farmland.

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  • 土壤入渗过程的回归方程表现乘幂函数形式,回归系数R0.88 ~ 0.99之间,方程拟合效果好。

    Soil permeability coefficients regression equation performs exponent relation. Regression coefficients were between 0.88 to 0.99, and the equation analog effect was good.

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  • 间歇入渗条件下,土壤入渗规律连续入渗影响因素制约外,受构成其特殊灌水过程的灌水技术参数的影响。

    The soil infiltration law is also effected by the irrigation technique parameters except the constraint factors of the continue infiltration in the intermittent infiltration condition.

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  • 本文通过土壤入渗灌水技术大田试验研究,指出西营河灌区土壤入渗规律田间灌水质量状况及其改进途径。

    The law of soil infiltration, the current quality of field irrigation and its improvement measures will show results from THD soil infiltration and field irrigation tests in the farmer's field.

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  • 土壤入渗功能、枯枝落叶最大水量以及土壤能力等方面进行研究探讨不同植被类型土壤改良效果

    At last in order to analyze the improved effect on soil, the staggered research was discussed in the following aspects: infiltration capacity of soil, water holding capacity for soil and litter layer.

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  • 基于大田土壤水分入渗试验相关参数测定分析了耕作土壤入渗能力衰减过程探讨了耕作土壤入渗能力衰减机理

    Based on soil water infiltration testing and related parameters measured in field, tillage soil water infiltration capacity attenuation process was analyzed and the mechanism was discussed.

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  • 利用自制入渗测定土壤入渗过程被禁锢土壤空气压力大小变化研究禁锢土壤空气压力对非饱和土壤入渗水流的阻碍作用

    The magnitude and variation of air pressure entrapped in soil in the course of infiltration are measured by an installation developed by the author to investigate the resistance effect of air.

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  • 将各土壤入渗参数视为区域化变量,用地质统计学中的变函数理论所拟数据进行分析,建立农田土壤入渗参数的变差函数模型

    These parameters can be regarded as the regionalized variables, and the computed data is analyzed by the theory of variogram. The variogram model of these soil infiltration parameters was presented.

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