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George S. Maraslidis, Theodore L. Kottas, Markos G. Tsipouras and George F. Fragulis
The double-inverted pendulum (DIP) constitutes a classical problem in mechanics, whereas the control methods for stabilizing around the equilibrium positions represent the classic standards of control system theory and various control methods in robotics...
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Peter Möller, Peter Dulski and Marco De Lucia
Rare earths and yttrium (REY) distribution patterns of the hydrosphere reveal systematic correlations of Gd and Y anomalies besides the non-correlated redox-dependent Ce and Eu anomalies. Eu anomalies are inherited by dissolution of feldspars in igneous ...
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Gabriele Cruciani, Marcello Franceschelli, Hans-Joachim Massonne, Giovanni Musumeci and Massimo Scodina
A complex system of mono- and polymineralic centimeter-thick veins occurs within the ultrabasic amphibolites of Montigiu Nieddu hill in northeastern Sardinia, and they are filled with garnet, amphibole, chlorite, and epidote. Some garnet-rich veins are m...
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Anna Kutovaya, Karsten F. Kroeger, Hannu Seebeck, Stefan Back and Ralf Littke
In the past two decades, numerical forward modeling of petroleum systems has been extensively used in exploration geology. However, modeling of petroleum systems influenced by magmatic activity has not been a common practice, because it is often associat...
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Ikuya Nishio, Tomoaki Morishita, Kristofer Szilas, Graham Pearson, Ken-Ichiro Tani, Akihiro Tamura, Yumiko Harigane and Juan Miguel Guotana
A titanian clinohumite-bearing dunite was recently found in the Ulamertoq ultramafic body within the 3.0 Ga Akia Terrane of southern West Greenland. Titanian clinohumite occurs as disseminated and discrete grains. Titanian clinohumite contains relatively...
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Zsuzsanna Nagy-Kovács, Balázs László, Erno Fleit, Katalin Czichat-Mártonné, Gábor Till, Hilmar Börnick, Yasmin Adomat and Thomas Grischek
This paper summarizes results from a half-year sampling campaign in Budapest, when Danube River water and bank filtrate were analyzed for 36 emerging micropollutants. Twelve micropollutants were detected regularly in both river water and bank filtrate. B...
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Arshad Ali, Iffat Jabeen, Sobhi J. Nasir and Neil R. Banerjee
We report the equilibration temperatures derived from the oxygen isotope thermometry of pyroxene-olivine pair from the Dar al Ghani (DaG) 476 (1200 +105/-90 °C) and Sayh al Uhaymir (SaU) 008 (1430 +220/-155 °C) meteorites showing a difference of over 200...
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Martin Rypdal, Hege-Beate Fredriksen, Eirik Myrvoll-Nilsen, Kristoffer Rypdal and Sigrunn H. Sørbye
Earth’s global surface temperature shows variability on an extended range of temporal scales and satisfies an emergent scaling symmetry. Recent studies indicate that scale invariance is not only a feature of the observed temperature fluctuations, b...
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Yushan Su, Uwayemi Sofowote, Jerzy Debosz, Luc White and Anthony Munoz
Continuous monitoring of fine particulate matter (PM2.5) is important to provide near-real-time air quality information for public health protection, especially when ambient levels are elevated. The Tapered Element Oscillating Microbalance (TEOM), operat...
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Gennady Shkliarevsky
Pág. 1 - 13
Our contemporary civilization increasingly relies on creative approaches and solutions. This growing dependence makes issues of control, regulation, and management of the process of creation ever more important. This article finds two major current theor...
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