Results 91 to 100 of about 922,701 (227)

Development and Characterization of Thermo‐Responsive Shape Memory Composite of Polybenzoxazine and Modified Ultrafine Fully Vulcanized Natural Rubber (UFPNR) Filler

open access: yesSPE Polymers, Volume 7, Issue 4, October 2026.
Tough Thermo‐Responsive Composite from PBA‐a and Monomer Grafted UFPNR. ABSTRACT In this study, various types and concentrations of ultrafine fully vulcanized powdered natural rubbers (UFPNR) were evaluated on how they affect the toughness of bisphenol A polybenzoxazine (PBA‐a).
Achiraya Pattulee   +5 more
wiley   +1 more source

Predicting the Unsaturated Hydraulic Conductivity of Compacted Polyurethane–Clay Using the Filter Paper Method

open access: yesApplied Sciences
Sanitary landfill covers are exposed to varying environmental conditions; hence, the state of the clay layer also changes from saturated to unsaturated. The study aimed to predict the unsaturated hydraulic conductivity of the locally available compacted ...
Mary Ann Adajar, Cielo Frianeza
doaj   +1 more source

Perched groundwater simulation using the picard iteration‐based always active cell method

open access: yesRiver, Volume 5, Issue 3, Page 453-464, August 2026.
Abstract Aquitards within the vadose zone impede vertical infiltration, leading to the formation of saturated perched groundwater. Perched groundwater flows laterally along aquitards, resulting in a heterogeneous spatial distribution of groundwater recharge that significantly influences groundwater formation and evolution.
Wen Lu   +9 more
wiley   +1 more source

HYDROLOGICAL AND STABILITY MODELLING OF INITIAL LANDSLIDES TRIGGERING DEBRIS FLOWS IN ASH-FALL DEPOSITS COVERING HILLSLOPES SURROUNDING SOMMA-VESUVIUS (SOUTHERN ITALY). [PDF]

open access: yes, 2010
Rainfall-induced debris flows involving ash-fall pyroclastic deposits covering steep mountain slopes that surround the Somma-Vesuvius volcano, are natural events representing the main cause of risk for urban settlements located at footslopes.
Napolitano, Elisabetta
core   +1 more source

Simulator‐Based Bayesian Inference of Enhanced Geothermal Reservoir Properties

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 5, October 2026.
Abstract Inversions of dynamic multi‐scale multi‐physics subsurface system properties rely on the effective sampling of high‐dimensional parameter spaces and are thus notoriously difficult to perform. The associated models are defined by complex nonlinear relationships with potentially stochastic components, which lead to analytically intractable ...
Kwabena Atobra   +5 more
wiley   +1 more source

Evidence for regulation of transpiration in nonstomatal plants: insights from bryophyte gametophytes

open access: yesNew Phytologist, Volume 252, Issue 1, Page 54-68, October 2026.
Kinetics of cell wall water vapor potential (Ψcw) and resistance of cell wall and plasmatic membrane to water flux in response to cytoplasmic water potential (Ψcyt) during dehydration. Ψcyt was calculated from the WC at any moment of the dehydration curve by using the relationship between −1/Ψw and WC of pressure volume curves and assuming Ψw = Ψcyt ...
Alicia V. Perera‐Castro   +3 more
wiley   +1 more source

Comment on “Modified expression for unsaturated hydraulic conductivity according to Mualem–van Genuchten to allow proper computations at low pressure heads” by M. Heinen

open access: yesVadose Zone Journal
This comment concerns evaluation of the Mualem–van Genuchten (MvG) unsaturated soil hydraulic functions at very low (negative) pressure heads as described recently in an important study by Heinen.
Marcia S. Batalha   +4 more
doaj   +1 more source

Investigation of Semi-Empirical Model of Unsaturated Hydraulic Conductivity Based on Some Measurable Physical Soil Properties, Case Study: Baghin Plain, Kerman [PDF]

open access: yesمهندسی منابع آب, 2013
Unsaturated hydraulic conductivity is one of the basic properties of soil that governs the water movement in the field. As application of any of the various available methods in the field deemed impracticable due to its difficulty of implication and high
A. Neshat, M. Farhad
doaj  

First Application of a Coastal‐Dune Model (AeoLiS) to Simulate Fluvial‐Aeolian Morphodynamics

open access: yesGeophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract Quantifying aeolian processes is important to decision‐making in river management and for optimizing strategies for ecosystem conservation, natural resource management, and recreation. We applied the AeoLiS aeolian transport model, originally developed for coastal environments, to a dryland river corridor to evaluate its ability to simulate ...
M. M. Kelley   +7 more
wiley   +1 more source

Fractal Analysis of Permeability of Unsaturated Fractured Rocks

open access: yesThe Scientific World Journal, 2013
A physical conceptual model for water retention in fractured rocks is derived while taking into account the effect of pore size distribution and tortuosity of capillaries.
Guoping Jiang, Wei Shi, Lili Huang
doaj   +1 more source

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