نتایج جستجو برای: analytical solutions

تعداد نتایج: 494185  

Journal: :The Review of scientific instruments 2016
I P Silverwood N Al-Rifai E Cao D J Nelson A Chutia P P Wells S P Nolan M D Frogley G Cinque A Gavriilidis C R A Catlow

Anodically bonded etched silicon microfluidic devices that allow infrared spectroscopic measurement of solutions are reported. These extend spatially well-resolved in situ infrared measurement to higher temperatures and pressures than previously reported, making them useful for effectively time-resolved measurement of realistic catalytic processes. A data processing technique necessary for the ...

Journal: :Lab on a chip 2006
Jung Jin Park Xiaolong Luo Hyunmin Yi Theresa M Valentine Gregory F Payne William E Bentley Reza Ghodssi Gary W Rubloff

We report facile in situ biomolecule assembly at readily addressable sites in microfluidic channels after complete fabrication and packaging of the microfluidic device. Aminopolysaccharide chitosan's pH responsive and chemically reactive properties allow electric signal-guided biomolecule assembly onto conductive inorganic surfaces from the aqueous environment, preserving the activity of the bi...

Journal: :General Relativity and Gravitation 2007

Journal: :Symmetry 2023

We search for exact analytical solutions of spherically symmetric dissipative fluid distributions satisfying the vanishing expansion condition (vanishing scalar Θ). To accomplish this, we shall impose additional restrictions allowing integration field equations. The are analyzed, and possible applications to astrophysical scenarios as well alternative approaches obtaining new discussed.

Journal: :Physical review 2022

In this work, we investigate the existence of analytic solutions static scalar fields on Lifshitz spacetimes. We evade Derrick's theorem curved spacetimes by breaking general covariance and use first-order formalism to obtain with finite energy related time-translational invariance background geometry along energy-momentum tensor model. show that such exist are stable in systems where is fixed ...

Journal: :Journal of Applied Mathematics and Mechanics 2022

Abstract Peridynamics (PD) has been introduced to account for long range internal force/moment interactions and extend the classical continuum mechanics (CCM). PD equations of motion are derived in form integro‐differential only few analytical solutions these presented literature. The aim this paper is present beam both static dynamic loading conditions. Applying trigonometric series, general d...

Journal: :Analytical chemistry 2006
Daniel Irimia Dan A Geba Mehmet Toner

The study of cellular responses to chemical gradients in vitro would greatly benefit from experimental systems that can generate precise and stable gradients comparable to chemical nonhomogeneities occurring in vivo. Recently, microfluidic devices have been demonstrated for linear gradient generation for biological applications with unmatched accuracy and stability. However, no systematic appro...

2017
J. Lebov K. Grieger D. Womack D. Zaccaro N. Whitehead B. Kowalcyk P.D.M. MacDonald

The need for multidisciplinary research to address today's complex health and environmental challenges has never been greater. The One Health (OH) approach to research ensures that human, animal, and environmental health questions are evaluated in an integrated and holistic manner to provide a more comprehensive understanding of the problem and potential solutions than would be possible with si...

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