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Tingting Cui, Jianbing Zhang and Weiqun Luo
There were some ecological and environmental problems in limestone soil in the karst peak-cluster depression in Pingguo City of Guangxi, such as the destruction of soil structure, soil acidification and soil fertility decline, and these problems were clo...
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Massimo Chiari
Ion beam analysis (IBA) methods refer to a set of analytical techniques based on the interactions of energetic ions, produced by a particle accelerator, with matter. The result of such interactions is the emission of characteristic radiation, X and gamma...
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Moruf Olalekan Yusuf
Fourier-transform infrared (FTIR) spectroscopy is a fast and simple technique for functional group identification. This work provides a review and insight into the application and interpretation of FTIR spectroscopy for cementitious binders that comprise...
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Daniyar Uskenbaev, Adolf Nogai, Alisher Uskenbayev, Kairatbek Zhetpisbayev, Eleonora Nogai, Pavel Dunayev, Ainur Zhetpisbayeva and Artur Nogai
In this paper influence of the excess Ca and Cu cations on the critical temperature (Tc) and critical transport current density (Jc) of high-temperature superconducting ceramics of the compositions (HTSC) Bi1.6Pb0.4Sr2Ca2.1Cu3.1Oy, Bi1.6Pb0.4Sr2Ca2.25Cu3...
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Borhan Albiss and Mohammad Al-Widyan
This study presents the numerical simulation, optimization, preparation, and characterization of Cu(In, Ga)Se2 (CIGS) thin-film solar cells (TFSCs). Different cell parameters were investigated, including Ga/(Ga+In) (GGI) ratios, the thicknesses of CIGS a...
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Rui Liu, Zhiqiang Zhao, Minghui Lv, Hongwei Wang, Lixia Li, Shenting Gang, Lei Zuo, Peng Zhang, Yaqin Wang, Changsuo Li and Qianqian Lu
Environmental nanoparticles are known to be present in various aquatic environments, exerting significant influences on water quality, particularly in water distribution systems. However, there has been a notable dearth of research on the presence and im...
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Naseem Akhtar, Muhammad Izzuddin Syakir, Saleh Ali Tweib, Muhammad Irman Khalif Ahmad Aminuddin, Mohamad Shaiful Md Yusuff, Abdullah H. Alsabhan, Faisal M. Alfaisal, Shamshad Alam and Jibran Qadri
Soil is a heterogeneous material, and its properties are vital from an agricultural perspective and for groundwater management. However, limited studies have been performed on the soil characteristics (soil texture, water-holding capacity, and soil compo...
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Gennady Pribytkov, Victoria Korzhova, Elena Korosteleva and Maksim Krinitcyn
Al-Cr and Al-Cr-Si composite cathodes were obtained by the hot compaction of aluminum, chromium, and silicon powder mixtures. The phase transformations in the surface layer of the Al-Cr-Si composite cathodes subjected to the arc heating were considered. ...
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Norbert Clauer, Edward Keppens, I. Tonguç Uysal and Amélie Aubert
A combined ultrasonic treatment, with de-ionized H2O, dilute HAc or dilute HCl, of three Mid-Miocene glauconite samples was applied to K?Ar date the different separates in order to compare the results with those obtained by the Rb?Sr method using the sam...
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Ksenia I. Smyshlyaeva, Viacheslav A. Rudko, Vladimir G. Povarov, Alina A. Shaidulina, Ignaty Efimov, Renat R. Gabdulkhakov, Igor N. Pyagay and James G. Speight
The effects of asphaltenes from two heavy oil residues on the sedimentation stability of residual marine fuels were assessed and compared. As base components of residual marine fuels, the vacuum residue (VacRes) and visbreaking residue (VisRes) were take...
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