Zobrazeno 1 - 10
of 8 837
pro vyhledávání: '"ENRICHMENT FACTOR"'
Autor:
Ayodele Christianah Adeboye, Oladele Ajiboro Omotoso, Isreal Oluwatimileyin Akinwole, Olukayode Adegoke Afolabi, Isa Elabor
Publikováno v:
Discover Geoscience, Vol 2, Iss 1, Pp 1-14 (2024)
Abstract This study evaluated the distribution of rare earth elements (REEs) in the Asejire Reservoir, Southwest Nigeria, a region lacking comprehensive REE assessment despite the growing concern over REE contamination due to industrial and technolog
Externí odkaz:
https://doaj.org/article/cd58225a0d11481891406cc63ea36c64
Publikováno v:
环境与职业医学, Vol 41, Iss 10, Pp 1144-1150 (2024)
BackgroundFine particulate matter (PM2.5) in ambient air is an important carrier of heavy metals and polycyclic aromatic hydrocarbons (PAHs), and long-term inhalation of heavy metals and PAHs poses a potential threat to human health.ObjectiveTo analy
Externí odkaz:
https://doaj.org/article/894dc754e33d47688a4ab9418b546804
Autor:
Xi WU, Yuanpeng SHI, Shuguang CHEN, Han WU, Jun CAI, Weining DAN, Xiheng LIU, Xiaokun WANG, Ximeng ZHANG, Jianli ZHANG
Publikováno v:
Petroleum Exploration and Development, Vol 51, Iss 5, Pp 1109-1121 (2024)
Based on drilling and logging data, as well as geological experiments, the geological characteristics and factors controlling high-yield and enrichment of hydrocarbons in ultra-deep clastic rocks in the Linhe Depression, Hetao Basin, are studied. The
Externí odkaz:
https://doaj.org/article/7cd8a92974914963b62e7cbabee773f7
Publikováno v:
Учёные записки Казанского университета: Серия Естественные науки, Vol 166, Iss 3, Pp 495-512 (2024)
Heavy metal pollution of the bottom sediments in the Northern Caspian Sea region was assessed for the period from 2012 to 2021. The concentrations and pollution levels of heavy metals were determined using the standard indices as part of the industri
Externí odkaz:
https://doaj.org/article/3b31260f84914a1ea6f2a53f80a300c8
Autor:
Milica Jonjev, Zorana Miletić, Dragana Pavlović, Marija Matić, Dragan Čakmak, Miroslava Mitrović, Pavle Pavlović
Publikováno v:
Environmental Sciences Europe, Vol 36, Iss 1, Pp 1-19 (2024)
Abstract This study evaluated the source apportionment and level of contamination with potential toxic elements (PTEs)—As, Cd, Cr, Cu, Ni, Pb and Zn—in a riparian zone of the Sava River by calculating the Enrichment Factor (EF) and the Geo-Accumu
Externí odkaz:
https://doaj.org/article/88d3e45e4aac4ff3ae9f7e25447ec3f8
Autor:
Atef M. Abu Khatita
Publikováno v:
Journal of Taibah University for Science, Vol 18, Iss 1 (2024)
ABSTRACTThe current study evaluated the contamination level of potentially toxic elements (PTEs) and their associated risk in street dust in the vicinity of Mahd Ad Dhahab gold mine, KSA. 25 street dust samples were collected and then subjected to ma
Externí odkaz:
https://doaj.org/article/0cff6dbfdbad494a8f0003bda6e0e966
Autor:
Abdallah Alnuwaiser Maha
Publikováno v:
Open Chemistry, Vol 22, Iss 1, Pp 110330-97 (2024)
This study utilized an inductively coupled plasma emission spectrometer (model ICPE-9000) to determine the concentrations of Mo, Hg, Cd, Be, Co, V, Se, Ti, As, Cr, Zn, Mn, Cu, Fe, Ni, and Pb elements in the soil samples, and estimate its ratio compar
Externí odkaz:
https://doaj.org/article/c724845072484661b1b4c42978c9017c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Potentially toxic metal(loid) assessment of tea and tea garden soil is a vital guarantee of tea safety and is very necessary. This study analyzed the distribution of seven potentially toxic metal(loid)s in different organs of the tea plants
Externí odkaz:
https://doaj.org/article/9a95571818ac4b9ebd1de81d4aa85ce9
Autor:
Mehwish Amjad, Zafar Iqbal Khan, Muhammad Nadeem, Kafeel Ahmad, Anis Ali Shah, Mansour K. Gatasheh, Shifa Shaffique, Toqeer Abbas
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract In many countries with wastewater irrigation and intensive use of fertilizers (minerals and organics), heavy metal deposition by crops is regarded as a major environmental concern. A study was conducted to determine the impact of mineral fer
Externí odkaz:
https://doaj.org/article/ae20bc41caed4ea0a272af86e02bb875
Publikováno v:
Journal of Xenobiotics, Vol 14, Iss 2, Pp 634-650 (2024)
Soil pollution caused by heavy metal(oid)s has generated great concern worldwide due to their toxicity, persistence, and bio-accumulation properties. To assess the baseline data, the heavy metal(oid)s, including manganese (Mn), iron (Fe), Cobalt (Co)
Externí odkaz:
https://doaj.org/article/b6aa80b1e3a741fb9debcc80f57d2ce5