搜索结果: 1-15 共查到“知识库 Hydraulic Conductivity”相关记录30条 . 查询时间(0.093 秒)
Phosphorus deficiency-induced reduction in root hydraulic conductivity in Medicago falcata is associated with ethylene production
Phosphorus deficiency Root hydraulic conductivity Ethylene production Aquaporins Medicago falcata L
2015/2/5
Plants grown in phosphorus-deficient solutions often exhibit disruption of water transport due to reduction in root hydraulic conductivity (Lpr) and enhanced ethylene production. To uncover the relati...
The impact of vegetation on hydraulic conductivity of sandy soil
sandy soil hydraulic conductivity vegetation water repellency
2015/1/30
The objective of this study was to assess the impact of vegetation on the hydraulic conductivity of sandy soil at the locality Mláky II at Sekule (southwest Slovakia). The measurements were taken on t...
Measurement of the Hydraulic Conductivity of Gravels Using a Laboratory Permeameter and Silty Sands Using Field Testing with Observation Wells
grain size gravel hydraulic conductivity observation wells permeameter tortuosity
2014/11/4
A new laboratory permeameter was developed for measuring the hydraulic conductivity of gravels ranging from 0.1 to 2 m/s. The release of pneumatic pressure applied to the test specimen induces an unde...
Measurement of the Hydraulic Conductivity of Gravels Using a Laboratory Permeameter and Silty Sands Using Field Testing with Observation Wells
observation wells permeameter tortuosity
2014/10/31
A new laboratory permeameter was developed for measuring the hydraulic conductivity of gravels ranging from 0.1 to 2 m/s. The release of pneumatic pressure applied to the test specimen induces an unde...
A Statistical Model for the Relative Hydraulic Conductivity of Water Phase in Unsaturated Soils
Unsaturated Soils Permeability Function Relative Permeability of Unsaturated Soils
2013/3/7
Permeability coefficients of fluids occupying the pore space of a porous medium have significant influence on the flow of these fluids through the porous medium. In the case of unsaturated soils, in a...
A Model for the Relationship between the Hydraulic Conductivity and Primary Sedimentary Structures of Till
Hydraulic Conductivity Primary Sedimentary Structures Structures of Till
2009/10/27
An investigation has been made of the relationships between saturated hydraulic
conductivity, porosity and micro-structure of undisturbed lodgement till
samples. 35 measurements with a constant head...
Unsaturated Hydraulic Conductivity Determined by the Hot Air Method for Some Danish Till Soils
Hydraulic Conductivity Hot Air Method Danish Till Soils
2009/10/27
Unsaturated hydraulic conductivity relations for topsoil and subsoil in 12 Danish
till soils were obtained from measurements by the hot air method. In the
range of pressure potentials (pF-values fro...
Saturated Hydraulic Conductivity of Clayey Tills and the Role of Fractures
Hydraulic Conductivity Clayey Tills Fractures
2009/10/27
Technical University of Denmark, DK-2800 Lyngby
The background for the present knowledge about hydraulic conductivity of
clayey till in Denmark is summarized. The data show a difference of 1-2 order...
Saturated Hydraulic Conductivity of Scandinavian Tills
Hydraulic Conductivity Scandinavian Tills
2009/10/27
There is a distinctive difference in hydraulic properties between the upper
horizons of Scandinavian till soil and the deeper C-horizon. The hydraulic
conductivity has been studied in different soil...
Methods for Measuring the Saturated Hydraulic Conductivity of Tills
Methods Saturated Hydraulic Conductivity Tills
2009/10/27
The texture of tills excludes many of the traditional methods for measurement
of the saturated hydraulic conductivity. The hydraulic conductivity is scale
dependent and for massive relatively homoge...
Sediment Fabric and Anisotropy of Hydraulic Conductivity in Sandy Till,Wisconsin, U.S.A.
Sediment Fabric Anisotropy of Hydraulic Conductivity
2009/10/23
The orientation of macroscopic and n~icroscopic particles in silty, sandy basal
till appears to have little effect on aquifer anisotropy. The orientation of 108
elongate pebble and cobble-sized part...
Estimation and Scaling of the Near-Saturated Hydraulic Conductivity
Estimation and Scaling Near-Saturated Hydraulic Conductivity
2009/10/23
The hydraulic conductivity in structured soils is known to increase drastically
when approaching saturation. Tension infiltration allows in situ infiltration of
water at predetermined matric potenti...
Hydraulic Conductivity and Aquaporins of Cortical Cells in Gravitropically Bending Roots of Pisum sativum L.
Aquaporin Cell elongation Gravitropism Hydraulic conductivity Pisum sativum L. Water uptake
2009/7/27
We examined the differential elongation of gravitropically bending roots of Pisum sativum L. in terms of cell enlargement and water uptake by cells in the growing tissue. Hydraulic conductivity betwee...
Averaging hydraulic head, pressure head, and gravitational head in subsurface hydrology, and implications for averaged fluxes, and hydraulic conductivity
hydraulic head pressure head gravitational head subsurface hydrology
2009/7/22
Current theories for water flow in porous media are valid for scales much smaller than those at which problem of public interest manifest themselves. This provides a drive for upscaled flow equations...
A comparison of critical osmolality and hydraulic conductivity and its activation energy in fowl and bull spermatozoa
Water permeability plasma membrane flow cytometry
2009/2/10
Measurements were made of critical osmolality, the osmolality at which 50% of the cells are lysed, and of the permeation time, the time taken to lyse 50% of the cells in an osmotic solution lower ...