Results 141 to 150 of about 1,571,082 (390)

Modeling and optimization of a regenerative fuel cell system using the ASPEN process simulator [PDF]

open access: yes
The Hydrogen-Oxygen Regenerative Fuel Cell System was identified as a key component for energy storage in support of future lunar missions. Since the H2-O2 regenerative electrochemical conversion technology has not yet been tested in space applications ...
Leibecki, Harold F., Maloney, Thomas M.
core   +1 more source

Invariance principles for local times in regenerative settings [PDF]

open access: yesarXiv, 2019
Consider a stochastic process $\mathfrak{X}$, regenerative at a state $x$ which is instantaneous and regular. Let $L$ be a regenerative local time for $\mathfrak{X}$ at $x$. Suppose furthermore that $\mathfrak{X}$ can be approximated by discrete time regenerative processes $\mathfrak{X}^n$ for which $x$ is accesible. We give conditions on $\mathfrak{X}$
arxiv  

Smart Polymeric 3D Microscaffolds Hosting Spheroids for Neuronal Research via Quantum Metrology

open access: yesAdvanced Healthcare Materials, Volume 14, Issue 7, March 14, 2025.
Development of a platform consisting of 3D microscaffolds supporting 3D embryoid bodies for neuronal research. The polymeric scaffolds enable directed growth of neurites. This study shows nanodiamond‐based quantum sensors graft onto the polymer material, enabling quantum metrology experiments within the 3D neuronal model and thereby providing a ...
Beatriz N. L. Costa   +5 more
wiley   +1 more source

Computational Investigation of Impingement Cooling for Regeneratively Cooled Rocket Nozzles [PDF]

open access: yes14th International Energy Conversion Engineering Conference, 2016
De Angelo, A Bianca
openaire   +2 more sources

Erich Regener and the maximum in ionisation of the atmosphere [PDF]

open access: yesarXiv, 2014
In the 1930s the German physicist Erich Regener (1881-1955) did important work on the measurement of the rate of production of ionisation deep under-water and in the atmosphere. He discovered, along with one of his students, Georg Pfotzer, the altitude at which the production of ionisation in the atmosphere reaches a maximum, often, but misleadingly ...
arxiv  

TPMS‐Gyroid Scaffold‐Mediated Up‐Regulation of ITGB1 for Enhanced Cell Adhesion and Immune‐Modulatory Osteogenesis

open access: yesAdvanced Healthcare Materials, EarlyView.
A) SLM generates biomimetic bone scaffolds with consistent porosity but varying TPMS‐Gyroid unit cell designs (TG15, TG20, TG25, TG30). B) By enhancing the expression of ITGB1, TPMS‐Gyroid scaffolds can facilitate osteogenic differentiation in BMSCs and promote M2 polarization in macrophages.
Jing Wang   +9 more
wiley   +1 more source

Regenerative Simulation for the Bayesian Lasso [PDF]

open access: yesarXiv, 2018
The Gibbs sampler of Park and Casella is one of the most popular MCMC methods for sampling from the posterior density of the Bayesian Lasso regression. As with many Markov chain samplers, their Gibbs sampler lacks a theoretically sound method of output analysis --- a method for estimating the variance of a given ergodic average and estimating how ...
arxiv  

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