نتایج جستجو برای: tailings pond

تعداد نتایج: 9357  

2017
Lisa Mevenkamp Tanja Stratmann Katja Guilini Leon Moodley Dick van Oevelen Ann Vanreusel Stig Westerlund Andrew K. Sweetman

Citation: Mevenkamp L, Stratmann T, Guilini K, Moodley L, van Oevelen D, Vanreusel A, Westerlund S and Sweetman AK (2017) Impaired Short-Term Functioning of a Benthic Community from a Deep Norwegian Fjord Following Deposition of Mine Tailings and Sediments. Front. Mar. Sci. 4:169. doi: 10.3389/fmars.2017.00169 Impaired Short-Term Functioning of a Benthic Community from a Deep Norwegian Fjord Fo...

2018
Anita Etale Sabelo Mhlanga

Mining often results in the contamination of groundwater by metal, sulphate and radionuclide ions following their percolation from tailings impoundments. This chapter discusses the processes by which elements within tailings are transformed and translocated to groundwater and the role of aquifer characteristics and colloids in these processes. The prevention and remediation of contaminated grou...

2018
Beatriz Baselga-Cervera Julia Romero-López Camino García-Balboa Eduardo Costas Victoria López-Rodas

Citation: Baselga-Cervera B, Romero-López J, García-Balboa C, Costas E and López-Rodas V (2018) Improvement of the Uranium Sequestration Ability of a Chlamydomonas sp. (ChlSP Strain) Isolated From Extreme Uranium Mine Tailings Through Selection for Potential Bioremediation Application. Front. Microbiol. 9:523. doi: 10.3389/fmicb.2018.00523 Improvement of the Uranium Sequestration Ability of a C...

Journal: :Remote Sensing 2021

Due to a lack of data and practical models, few studies have extracted tailings pond margins in large areas. In addition, there is no public dataset ponds available for relevant research. This study proposed new deep learning-based framework extracting from high spatial resolution (HSR) remote sensing images by combining You Only Look Once (YOLO) v4 the random forest algorithm. At same time, we...

Journal: :Applied sciences 2021

Based on a “filter press backwash–chemical precipitation–gaseous membrane absorption” process, treatment of harmless cyanide tailings was conducted using from gold smelting enterprises (Yunnan Province, China) as the research object. The effects air-drying time, backwash water parameters, initial pH acidification, NaHS dosage, cyanide-containing flow rate, and gaseous stages process were invest...

2017
Abhishek Gupta Avishek Dutta Jayeeta Sarkar Dhiraj Paul Mruganka Kumar Panigrahi Pinaki Sar

Mine tailings from copper mines are considered as one of the sources of highly hazardous acid mine drainage (AMD) due to bio-oxidation of its sulfidic constituents. This study was designed to understand microbial community composition and potential for acid generation using samples from mine tailings of Malanjkhand copper project (MCP), India through 16S rRNA gene based amplicon sequencing appr...

2018
Lindsay L. Vare Maria C. Baker John A. Howe Lisa A. Levin Carlos Neira Eva Z. Ramirez-Llodra Amanda Reichelt-Brushett Ashley A. Rowden Tracy M. Shimmield Stuart L. Simpson Eulogio H. Soto

Citation: Vare LL, Baker MC, Howe JA, Levin LA, Neira C, Ramirez-Llodra EZ, Reichelt-Brushett A, Rowden AA, Shimmield TM, Simpson SL and Soto EH (2018) Scientific Considerations for the Assessment and Management of Mine Tailings Disposal in the Deep Sea. Front. Mar. Sci. 5:17. doi: 10.3389/fmars.2018.00017 Scientific Considerations for the Assessment and Management of Mine Tailings Disposal in ...

Journal: :Remote Sensing 2023

In the process of extracting tailings ponds from large scene remote sensing images, semantic segmentation models usually perform calculations on all small-size images segmented by sliding window method. However, some these do not have ponds, and their only affect model accuracy, but also speed. For this problem, we proposed a fast pond extraction method (Scene-Classification-Sematic-Segmentatio...

Dong, X., Huang, J., Liu, Q., Lv, F., Lv, L., Qi, Z., Zhang, H., Zhao, W.,

PCR-denaturing gradient gel electrophoresis (DGGE) and canonical correspondence analysis (CCA) were used to explore the relationship between eukaryotic plankton community succession and environmental factors in two aquaculture pond models with gibel carp Carassius auratus gibelio. The main culture species of pond 1 were gibel carp and grass carp, and the combined density was 46224 fingerling/ha...

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