soil infiltration
土壤渗滤
2026-04-14 08:36 浏览次数 19
土壤渗滤
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.
将各土壤入渗参数视为区域化变量,用地质统计学中的变差函数理论对所拟合出的数据进行分析,建立了农田土壤入渗参数的变差函数模型。
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.
从土壤水分下渗能力曲线出发,从理论和实验分析两方面说明水土保持措施下土壤入渗性能的改良作用。
a small facultative contact stabilization and soil infiltration system was employed for energy efficient and cost effective treatment of mixed wastewater from a rural community in zhejiang.
采用兼氧接触氧化与土地渗滤联合处理工艺对农村混合污水进行了试验。
the soil infiltration rate in forest land was obviously higher than that in waste grassland.
林地土壤初渗速率和稳渗速率均显着高于荒草地。
the soil infiltration capacity decreases with increasing of initial moisture content of soil profile.
而累积入渗量和入渗深度均随土壤初始含水量的增高而递减;
the results show that the soil erosion on slope not only bring about soil nutrients lost, but also cause the soil physical property damaged, soil infiltration capability weakened.
结果表明 ,土壤侵蚀造成表层耕作土壤的物理性能下降、养分流失和水分入渗能力降低。
the main factors soil infiltration rate approached are soil natural structure, initial water content and graphic condition;
影响土壤入渗速率的主要因子是土壤结构性质、土壤初始含水量和土壤的地貌特征;
the current formula of soil infiltration was similar to infiltration process in the initial phrase and can simulate total infiltration process better.
土壤入渗通用公式与实测曲线在入渗衰减阶段的入渗过程最为相似,拟合较好。
study of water through soil infiltration may offer a scientific support for prediction and evaluation of watershed hydrological processes.
降水入渗规律的研究可为流域水文过程的预测和评价提供重要的科学依据。
regression analysis shows that the soil infiltration rate is significantly correlated with time.
回归分析表明:土壤入渗速率与入渗时间之间存在显着的幂函数关系。
using the simulated rainfall methods, the affecting factors of soil infiltration are studied.
利用人工模拟降雨装置对影响坡耕地土壤入渗的诸因素进行了研究。
a new kind of soil infiltration measurement method in field, i. e. , disc permeameter, was introduced in this paper.
介绍了一种田间定量测定土壤渗透性的新方法——圆盘入渗仪法。
the capcities of soil infiltration in bahia grass (paspalum notatum), eremochloa ophiurbides and contrast areas were tested.
本实验测定了百喜草区、假俭草区及对照区的土壤渗透率。
the rule of infiltration were the same in four style of stands, that was with the deeper soil layer, the lower speed of soil infiltration of water;
四种林分虽然有相同的入渗规律即随着土层的加深,土壤水分入渗速率逐渐减小;
the curve of soil infiltration rate with time is different greatly from that of normal infiltration in press.
随着降雨雨型的变化,土壤入渗速率依时间变化曲线与常态有压入渗时迥然不同。
the result showed that the current formula of soil infiltration adapted to simulate soil infiltration process in this studied area.
因此,土壤入渗通用公式比较适合模拟该区的土壤入渗过程。
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.
本文通过土壤入渗及灌水技术大田试验研究,指出了西营河灌区土壤入渗的规律、田间灌水质量状况及其改进途径。
on different slope position, it exhibited a tendency of lowing in soil infiltration rate with the drop of position.
不同坡位条件下的试验表现出从坡上部到坡下部,土壤渗透速率随坡位下移呈逐渐降低的趋势;
sprinkler droplets impact soil surface, which destroys soil aggregates and decreases soil infiltration rate.
总结了几种研究喷灌动能对土壤性能影响的方法:单位面积动能对土壤入渗的影响;
the study provides the foundation for the establishment of the soil infiltration model according to hortons infiltration equation.
并根据何登式渗透公式,建立了土壤渗透率推估式。
the improvement of soil infiltration ability is the key measurement to control soil erosion.
提高土壤的入渗能力为防治土壤侵蚀的关键措施。
for the loess hilly region the process of soil infiltration could be well described by fang zhengshan equation and the mixed use of fang zhengshan equation with a.
根据黄土丘陵区的土壤特性,其土壤入渗过程以方正三方程拟合精度最高,如将其与a。
based on soil field infiltration test, the effects of corn straw mulch on freezing-thawing soil infiltration capacity are discussed.
基于大田土壤入渗试验,讨论了玉米秸秆覆盖对土壤冻融特点及入渗能力的影响。
the extent of vertical erosion increases with precipitation, rainfall intensity and soil infiltration rates, and different soil has different critical rainfall amount.
垂直侵蚀随降雨强度、降雨历时的增加而增加,不同土壤的侵蚀临界降雨量不同;
the soil bulk density and soil infiltration capacity was negatively correlated, with soil bulk density increasing as the soil infiltration capacity decreased.
土壤容重和土壤入渗性能呈负相关关系,随着土壤容重的增加,土壤入渗能力呈下降趋势;
through laboratory experiments, the variable process of soil infiltration rate and the distribution rule of soil moisture in wetting front were analyzed.
该文通过室内试验,分析研究了无压灌溉土壤入渗率变化过程和土壤湿润体内含水率分布规律。