Results 21 to 30 of about 5,546,465 (345)
Revista Brasileira de Engenharia Agrícola e Ambiental, 2001 O excesso de fertilizantes e o manejo inadequado da irrigação nos cultivos em ambiente protegido, têm levado à salinização dos solos, o que resulta na redução da produtividade das culturas.
Flávio F. Blanco, Marcos V. Folegatti
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Hydrothermal Leaching Kinetics of Vanadium from an Iron Vanadate Mineral Using Oxalic Acid
Metals, 2023 Hydrothermal leaching vanadium using oxalic acid is a novel method reported recently to overcome the serious environmental problems caused by traditional extracting processes.
Biao Shen, Xuexin Chen, Baijun Yan
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The efficiency of scrap Cu and Al current collector materials as reductants in LIB waste leaching
Hydrometallurgy, 2021 This current study addresses the role of copper and aluminum - typical major components of current collector scrap from battery manufacturing plants - in the leaching of pre-treated LiCoO2-rich battery waste concentrate at industrially relevant process ...
A. Chernyaev +5 more
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Effects of Ion Characteristics on the Leaching of Weathered Crust Elution-Deposited Rare Earth Ore
Frontiers in Chemistry, 2020 To reveal the ion-exchange mechanism in the leaching process of weathered crust elution-deposited rare earth ores with different leaching agents, the effects of a variety of cations and anions at different concentrations on the leaching process were ...
Zhenyue Zhang +5 more
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A new modification of LEACH for efficient energy in WSN
Indonesian Journal of Electrical Engineering and Computer Science, 2020 <p>The limited energy of nodes in wireless sensor networks and the<br />impossibility of replacing their batteries, have lead to protocols development<br />which optimize and balance the energy consumption over the network.<br />LEACH is the most used hierarchical protocol.
Lechani, Taous +2 more
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International Journal of Computer Applications, 2013 Sensors are battery operated devices and are normally placed in the region where humans could not reach easily. Therefore these devices need to be used carefully so as to extend the network life. Network layer plays important role for transmission of data from source node to destination node.
S. G. Bhirud +2 more
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, 2023 Rare earth elements are indispensable raw materials for advanced aero-engines, special optical materials, and high-performance electronic products. With the development of social economy, the global demand for rare earth resources is increasing, and rare
Kang, Wang +4 more
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Waste Management, 2020 The major element and heavy metal concentrations of post-precipitated sewage sludge (PPS) and its ash residue (PPA) were determined using microwave digestion followed by inductively coupled plasma optical emission spectrometry (ICP-OES) and mass ...
Sini Reuna, A. Väisänen
semanticscholar +1 more source
Metals, 2020 Copper (Cu) has been recovered from speiss generated from top submerged lance furnace process, but it was reported that the leaching efficiency of Cu in sulfuric acid solution decreased with increasing antimony (Sb) content in the speiss.
Sujin Chae +3 more
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Applied Sciences, 2022 Deep eutectic solvents (DESs) have the potential to be a lixiviant for the selective processing of metal because of their versatile complexation properties.
Xiaofen Li +3 more
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