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Alessandro A. Quarta and Giovanni Mengali
The aim of this paper is to investigate the performance of a robotic spacecraft, whose primary propulsion system is an electric solar wind sail (E-sail), in a mission to a heliostationary point (HP)?that is, a static equilibrium point in a heliocentric a...
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Kuo-Ing Hwu, Jenn-Jong Shieh and Pin-Jung Chen
In this paper, a thermoelectric conversion system for multiple heat sources is proposed. For design convenience, the overall system employs only a single-stage converter. Such a converter uses coupling inductors and switched capacitors to increase the vo...
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Jan Duplak, Darina Duplakova and Jozef Zajac
From the point of view of production, it is of fundamental importance to know the cutting parameters at which the new surface of the component was created because only in this way is it possible to understand the nature and properties of the created surf...
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Sedami Tozoun Romain Agassin, Jocinei Dognini and Alexandre Tadeu Paulino
In this work, raw rice husk biochar (RRHB) was investigated for its potential as a valuable industrial byproduct for the decontamination of water using rhodamine B (RB) as a model pollutant. Specific functional chemical groups that were identified in the...
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Lucia López-Toyos, Elena Rodríguez, Roberto García, Maria Rosa Martínez-Tarazona and Maria Antonia López-Antón
Selenium pollution in water is a worldwide issue. Se(IV) and Se(VI) are mainly found in contaminated water due to their high solubility and mobility; their presence poses a serious risk as they can severely harm human health. Although iron oxide and hydr...
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