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Shu Zhang, Yong Zhang, Gang Huang, Bo Zhang, Yichan Li, Xin Chen, Junkang Xu and Yujie Wei
Granites, widely distributed in the Earth?s crust, undergo pedogenic processes, shaping diverse soil-mantled landscapes influenced by climatic factors in different regions. Investigating the geochemical signatures in granite weathering profiles across va...
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Asli Bor, Marcell Szabo-Meszaros, Kaspar Vereide and Leif Lia
CFD models of intakes in high-head hydropower systems are rare due to the lack of geometric data and cost of modeling. This study tests two different types of software to see how modeling can be performed in a cost-effective way with scarce input data an...
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Fangping Xu, Jun Chen and Jianyong Zhu
Insufficient color feature extraction can lead to poor prediction performance in rare earth element composition estimation. To address this issue, we propose a one-dimensional convolutional method for predicting rare earth element composition. First, ima...
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Wiem Bouslama, Ramzi Nasser, Bernard Gelloz, Amira Ben Gouider Trabelsi, Fatemah Homoud Alkallas, Ji-Ming Song, Ezzeddine Srasra and Habib Elhouichet
Undoped and codoped (Eu/Na) ZnO nanocrystals (NCs) were successfully manufactured through an economical sol-gel method. X-ray diffraction (XRD) analysis demonstrated pure hexagonal wurtzite structure without secondary phases for all the samples. The size...
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Michail V. Shaldybin, Svetlana Kvachko, Maxim Rudmin, Alexey Plyusnin and Iliya Kuznetsov
Fine-grained strata deposited on the Eastern Siberian craton are predominantly considered to mainly consist of Neoproterozoic sandstones. Clastic rocks near the unconformity border of the Ediacaran and the Riphean are represented by sandstone and siltsto...
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Alexander M. Panichev, Natalya V. Baranovskaya, Ivan V. Seryodkin, Igor Y. Chekryzhov, Bulat R. Soktoev, Vladimir V. Ivanov, Elena A. Vakh, Tatyana V. Desyatova, Tatyana N. Lutsenko, Nikita Y. Popov, Alexey V. Ruslan, Evgeniy V. Elovskiy, Alena V. Vetoshkina, Olga V. Patrusheva, Dmitry S. Ostapenko, Aleksei S. Kholodov and Kirill S. Golokhvast
From the novel results of comprehensive geological?hydrobiogeochemical studies conducted on Olkhon Island (Lake Baikal), it follows that the phenomenon of geophagy among wild and domestic ungulates on the island is caused by the deficiency of light subgr...
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Andrés Cardenas, Maria I. Dias, Catarina Diamantino, Edgar Carvalho, Dulce Russo and Rosa Marques
New insights about the geochemical behavior of actinides and lanthanides in an old uranium mine are provided for the first time in this work. Fifteen samples (water, soil, and sediments) were collected inside and outside the Quinta do Bispo old mine (Por...
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Pu Zhang, Zhe Zhang, Lihua Liang, Lei Li, Chenyang Cao and R. Lawrence Edwards
The provenance of lake particulate matter in environmentally sensitive areas is crucial to understanding regional environmental and climatic changes. This study investigated two regions in the Northeast Tibetan Plateau, China: Region I (Keluke, Tuosu, an...
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Vladimir Dmitrievskii, Vadim Kazakbaev and Vladimir Prakht
Due to the high cost and the predicted shortage of rare earth elements in the near future, the task of developing energy-efficient electric machines without rare earth magnets is of great importance. This article presents a comparative analysis of optimi...
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Marian Grigoras, Mihaela Lostun, George Stoian, Gabriel Ababei, Marieta Porcescu and Nicoleta Lupu
a?-Fe16N2 materials are of increasing interest for their applications in products such as rare earth-free permanent magnets. The lack of a method of mass production for powders as raw materials delays the preparation of such magnets. Through employing th...
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