Results 271 to 280 of about 1,549,833 (399)

Gypsum Gardens: Self‐Assembled Tubular Structures of Calcium Sulfate with Relevance for the Detection of Extraterrestrial Life

open access: yesAngewandte Chemie International Edition, EarlyView.
Chemical gardens are self‐assembled architectures with “life‐like” morphologies that form in the absence of any biological activity. Here we show that such structures can also be obtained by contacting reservoirs of calcium and sulfate ions, under conditions that plausibly emulate those prevailing on early Mars.
Selina Reigl   +5 more
wiley   +1 more source

Hydrophobic PVDF‐Based Electrospun Nanofibrous Membranes: Design Criteria Fabrication and Resistance to Long‐Term Hydrodynamic Operation

open access: yesJournal of Applied Polymer Science, EarlyView.
Overview of the design of electrospinning and postreatment conditions, membrane quality control, and hydrodynamic performance of hydrophobic PVDF‐based nanofibrous membranes. ABSTRACT The mechanical integrity of electrospun nanofiber membranes (ENMs) under operational conditions may limit their application in membrane contactors.
Félix Montero‐Rocca   +5 more
wiley   +1 more source

Combined Dip‐Coating and Spray Coating Techniques for Modifying PVDF Membranes With PDMS and TiO2 for Photocatalytic Membrane Distillation

open access: yesJournal of Applied Polymer Science, EarlyView.
Main steps of membrane modification to impart hydrophobic character and its characterization for photocatalytic vacuum membrane distillation. ABSTRACT Membrane modification or functionalization techniques are widely studied to develop membranes with tailored properties for specific applications. This work investigates the combination of two methods—dip‐
Jussara Garcez   +6 more
wiley   +1 more source

Research of the automated drive of manual hydraulic valves of the manipulator

open access: hybrid, 2017
Бухтояров   +5 more
openalex   +2 more sources

3D‐Printed Microfluidic Bioreactor Incorporating Electrospun Scaffolds for Creating an Enhanced Kidney Epithelial Cell Microenvironment

open access: yesJournal of Applied Polymer Science, EarlyView.
Overview of cell seeding, attachment and scaffold insertion into bioreactor, with potential analyses listed after conditioning period. ABSTRACT Chronic kidney disease stands as a significant global health challenge, exacerbated by an ongoing scarcity of available organs for transplantation.
Todd P. Burton   +4 more
wiley   +1 more source

Modelling workflow forest fire soil - thrower with energy-saving hydraulic drive

open access: hybrid, 2017
Петр Попиков   +5 more
openalex   +2 more sources

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