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Timothy Marquardt and Joseph Majdalani
In this article, we undertake a concise review of several milestone developments in classical regression rate models of hybrid rocket motors. After a brief description of the physical processes entailed in hybrid rocket combustion, Marxman?s diffusion-li...
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Karol Krzempek
Photothermal spectroscopy (PTS) is a technique used for determining the composition of liquids, solids and gases. In PTS, the sample is illuminated with a radiation source, and the thermal response of the analyte (e.g., refractive index) is analyzed to g...
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Zhibin Sun, Jiadong Fan, Haoyuan Li and Huaidong Jiang
The advent of ultrafast X-ray free-electron lasers (XFELs) opens the tantalizing possibility of the atomic-resolution imaging of reproducible objects such as viruses, nanoparticles, single molecules, clusters, and perhaps biological cells, achieving a re...
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Javier Leal, Carlos Leal
Pág. 30 - 38
Photovoltaic systems have been presented as an alternative to thesubstitution of fossil fuel energy consumption in urban developmentprojects around the world. Their implementation is however dependenton factors with high variability, such as the amount o...
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Esteban Felipe Zalamea, Rodrigo Garcia
Pág. 36 - 44
This paper presents an analysis of the roofs of recently built single-family homes in Concepción, Chile and their potential for integrated solar energy collection. It seeks to promote the installation of domestic renewable energy systems in the face of g...
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