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Junjie Cai, Shengpeng Hu, Hongbing Liu, Danyang Lin, Wei Fu and Xiaoguo Song
Dissimilar materials brazing of Ti2AlNb alloy to GH99 superalloy is of great pragmatic importance in the aerospace field, especially the lightweight space aircraft components manufacturing. In this work, TiZrCuNi amorphous filler alloy was used as brazin...
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Weiying Li, Jingjing Zhang, Hongliang Li, Zezhou Wu, Xingju He, Lihua Ran, Martin G. Wiesner and Jianfang Chen
Time-series samples intercepted via three synchronized moored sediment traps, deployed at 1000 m, 2150 m, and 3200 m in the northern South China Sea (NSCS) during June 2009?May 2010, were analyzed to quantify the bioactive trace metal fluxes in sinking p...
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Ralf Gottschall, Maria Thelen-Jüngling, Martin Kranert and Bertram Kehres
In this study, the suitability of biowaste and green waste composts in organic farming is presented based on quality assurance data of approximately 21,000 compost analyses from 2015 to 2020. The evaluation of compost suitability was based on both the le...
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María Pachés, Remedios Martínez-Guijarro, Inmaculada Romero and Daniel Aguado
This study evaluated the presence and significance of the concentrations and spatial distribution of seven metals (Cr, Fe, Ni, Cu, Zn, Cd, Hg, and Pb) along the Spanish Mediterranean coast. The concentrations were determined in surface sediments (taken a...
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Nadezhda Popova, Grigoriy Artemiev, Inga Zinicovscaia, Nikita Yushin, Ludmila Demina, Kirill Boldyrev, Denis Sobolev and Alexey Safonov
Groundwater samples contaminated with potentially toxic elements (PTE), including metals and nitrate ions, were collected at a depth of 8?10 m from the Siberian Chemical Plant multicomponent waste storage. The possibility of developing a permeable biogeo...
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Julio Cesar Minga, Francisco Javier Elorza, Ramon Rodriguez, Alfredo Iglesias and Doris Esenarro
The objective of this study is to evaluate the contamination of water resources in the Parac subbasin. The existing contamination by heavy metals due to the presence of mining companies is of great concern to the population that inhabits the area since h...
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Hassan Alzahrani, Abdelbaset S. El-Sorogy, Saleh Qaysi and Fahad Alshehri
Coastal environments need continuous environmental risk assessment, especially with increasing coastal development and human activities. The present work evaluates the distribution, contamination, and environmental risk of potentially toxic elements (PTE...
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Sile Wei, Mingyi Hu, Sheng He, Wei Yang, Qing He, Quansheng Cai and Ping Li
The vertical geochemical variations in total organic carbon (TOC) content and major and trace elements of the Lower Cambrian Shuijingtuo Formation from the Yichang Slope in the Upper Yangtze were investigated to assess the environmental conditions (redox...
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Fernando Cazaña, Zainab Afailal, Miguel González-Martín, José Luis Sánchez, Nieves Latorre, Eva Romeo, Jesús Arauzo and Antonio Monzón
The 21st century arrived with global growth of energy demand caused by population and standard of living increases. In this context, a suitable alternative to produce COx-free H2 is the catalytic decomposition of methane (CDM), which also allows for obta...
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Vera I. Poletaeva, Mikhail V. Pastukhov and Pavel G. Dolgikh
The relevance of studying the spatial-temporal dynamics in the trace element composition of the water at the Angara River source is associated not only with determining the degree of anthropogenic load on the local area of the water body but also with th...
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