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- Soil hydraulic characteristic parameters can be estimated accurately using the Pedo-transfer Functions (PTFs) depending on soil fundamental parameters which are easy to get such as grading of soil, organic content and bulk density. 然而可以通过容易得到并能保证试验精度的土壤基本物化特征参数,如:颗粒级配、有机质含量和土壤容重等,利用土壤传递函数(PTFs)可以较准确地估算出土壤水力特性参数。
- soil hydraulic characteristic parameters 土壤水力学参数
- Soil hydraulic characteristics 土壤水力特性
- Effects of complete fluidic sprinkler on hydraulic characteristics based on. 全射流重要结构对水力性能的影响。
- Study on Hydraulic Characteristics of Release Works at the Three Gorges Project. 三峡枢纽泄水建筑物水力学特性研究。
- The numerical inverse method is an indirect method to determine soil hydraulic properties. 数值反演方法是间接确定土壤水力性质的方法之一。
- Hydraulic characteristics of the UV disinfector was investigated by tracer experiment. 采用示踪实验研究紫外线消毒器的水力特性。
- Polyacrylamide (PAM) can enhance soil structural stability however its influence on soil hydraulic conductivity is not very clear. 摘要聚丙烯酰胺(PAM)可增加土壤结构的稳定性,但它对土壤水力传导能力的影响尚不清楚。
- Studies of soil water movement in GSPAC system and modeling wa ter flow necessitate the determination of soil hydraulic properties. 研究GSPAC系统的水分运移机理和建立统一的水系统模型需要确定土壤水分运动参数。
- The CFD method is employed to simulate numerically the steady and unsteady hydraulic characteristics of an ATS control valve. 摘要运用计算流体力学方法(CFD)对调节阀的定常与非定常水力特性进行了数值模拟。
- The hydraulic characteristics of transverse axis vortex behind the sill of the dissipater are studied with the hydraulic test. 摘要通过水力学试验方法,对跌坎式底流消能工坎后横轴漩涡的水力特性进行了初步研究。
- The hydraulic characteristics of the smooth spillway,the stepped spillway and the pre-aerator stepped spillway have been studied respectively. 对光滑溢洪道、阶梯溢洪道和前置掺气坎式阶梯溢洪道水力特性进行了对比研究。
- The non-uniqueness problem is always encountered when numerical inverse method coupling with one step outflow experiments is employed to determine the soil hydraulic properties. 结合单步出流实验的数值反演方法在确定土壤水力性质时会遇到解的非唯一性问题。
- C.Z.Pan, Z.P.Shangguan.Runoff hydraulic characteristics and sediment generation in sloped grassplots under simulated rainfall conditions. 潘成忠;上官周平.;黄土区土壤质地对坡面产流产沙过程的影响
- With the need of idiographic project, the hydraulic characteristics of adjustive pool is thoroughly discussed. The diagnostic expressions is obtained,and is analysed. 结合工程实际,对水量调节池的水力特性进行了较深入的探讨,推导出已知变进水量调节池的特征公式,并进行了验证和分析。
- A combination approach of physical and numerical models is adopted to study the hydraulic characteristics of the vertical vortex under the condition of the side orifice. 采用模型试验和数值模拟相结合的方法对侧部孔口情况下立轴旋涡的水力特性进行了研究。
- For each approach, a much more thorough study was made on the hydraulic characteristics of the side-inlet sump by the hydraulic model test and the numerical simulation. 对每一种技术方案,应用数值模拟试验与水力物理模型试验相结合的研究方法,全面细致地研究了侧向进水集水池的水力特性。
- The claculatedresults show that this numerical analysis method is able to reflect the hydraulic characteristics inthe contract section of slit-type bucket, and also that the bottom pressure distributi0n is in agr-reement with the results of model tests. 计算结果表明,本文数值分析方法能够反映窄缝挑坎收缩段的水力特性,底板压力分布与模型试验结果比较吻合。
- The emphasis of the study was placed on hydrological and hydraulic characteristics, variations of spatial structure, matter structure and energy structure, and ecological response of each transitional region. 根据水力特征的变化,对河道型水库工程影响区域水力过渡区进行划分,重点研究各个水力过渡区内的水文水力特征、空间结构、物质结构和能量结构的变化及其生态响应。
- One-parameter models of soil hydraulic parameters 土壤水力参数的单一参数模型