Results 1 to 10 of about 2,646,331 (287)

A general mathematical framework for modelling soil-water retention behaviour [PDF]

open access: yesMATEC Web of Conferences, 2021
A new constitutive model for the soil-water retention behaviour of unsaturated soils is proposed, able to reproduce the main drying and wetting paths, the cyclic retention behaviour and its dependence on the specific volume.
Pereira Carlos   +2 more
doaj   +2 more sources

Normal-phase high performance liquid chromatography of estradiol derivatives on amino- and diol- columns [PDF]

open access: yesJournal of the Serbian Chemical Society, 2003
The retention behaviour of estradiol derivatives was studied by HPLC on chemically bonded polar stationary phases: commercially available amino- and diol- columns, as a function of the heptane-propan-1-ol as the mobile phase, when the volume fraction of ...
MARIJANA M. ACANSKI
doaj   +3 more sources

A study on synthesis and properties of SAPs based on carboxymethyl cellulose

open access: yesVietnam Journal of Science, Technology and Engineering, 2022
Carboxymethyl cellulose-graft-poly(acrylic acidSodium acrylate-acrylamide) SAPs have been prepared by the free-radical grafting solution polymerization of acrylic acid (AA) and acrylamide monomers (AM) onto carboxymethyl cellulose (CMC) in the presence ...
Thi Tuyet Mai Phan   +2 more
doaj   +1 more source

Experimental Study of Soil Water Characteristic Curve for a Clayey Soil Reinforced with Model Geocell for Freezing-Thawing Cycles [PDF]

open access: yesE3S Web of Conferences, 2023
The category of geosynthetics includes geocells as a common subclass. As a low-cost, easilyinstalled solution to soil stabilisation problems, geocells are gaining popularity in the field of geotechnical engineering.
Dave Bhavita S.   +3 more
doaj   +1 more source

Separation and lipophilicity of some new steroid derivatives in normal- and reversed-phase high performance liquid chromatography [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2011
The separation ability and retention of normal and reversed phase HPLC with, respectively, three non-polar and two polar mobile phases, have been studied by measuring the retention constants of a series of newly synthesized estrone derivatives.
Ačanski Marijana M.   +2 more
doaj   +1 more source

A coupled hydro – mechanical approach for modelling the volume change behaviour of compacted bentonite [PDF]

open access: yesE3S Web of Conferences, 2020
The volumetric response of compacted bentonites against environmental actions is a key aspect in most designs of nuclear waste repositories. The safety assessment of such repositories must account for robust and reliable models of stress–strain for ...
Bosch Jose A.   +2 more
doaj   +1 more source

SimuIating landsIides using two-phase two-point material point method [PDF]

open access: yesE3S Web of Conferences, 2023
Material point method (MPM) is an effective numerical method for large-deformation analysis under unsaturated conditions. In the previous studies, water retention ability and permeability function were assumed to be Independent of soil deformation ...
Zhan Zhiqi, Zhou Chao
doaj   +1 more source

Developing strategies to address disparities in retention communication during the consent discussion: development of a behavioural intervention

open access: yesTrials, 2023
Background Clinical trials are essential to evidence-based medicine. Their success relies on recruitment and retention of participants: problems with either can affect validity of results.
Taylor Coffey   +3 more
doaj   +1 more source

Unlocking the water retention behaviour of turf construction materials [PDF]

open access: yesE3S Web of Conferences, 2023
Turf is not a material frequently associated with construction. However, as a cheap, easily available, and versatile material it was used in antiquity (and has been used in various contexts since) to form unit-based and mass walls, embankments, and ...
Yi Xin Lin Benedicta   +4 more
doaj   +1 more source

An experimental investigation on the water retention behaviour of a silty soil for the computation of the lateral earth thrust on a retaining wall [PDF]

open access: yesE3S Web of Conferences, 2019
Retaining structures often interact with soils in unsaturated conditions and their performance is influenced by environmental actions. Currently, geotechnical analysis and design approaches mainly consider the soils either totally dry or totally ...
Speranza Gianluca   +3 more
doaj   +1 more source

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