نتایج جستجو برای: potentially toxic elements
تعداد نتایج: 529439 فیلتر نتایج به سال:
Urban air pollution has been a major concern due to its impact on global public health. Various techniques for monitoring urban quality have developed. However, there is currently dearth of research how effective bioaccumulators such as lichen are at pollution. As result, the purpose this investigate use U. misaminensis biological indicator biomonitoring in Malaysia. Three months were spent exp...
Contamination of soil with potentially toxic elements (PTEs) is receiving great attention worldwide due to its apparent toxicity and hazards local residents. The assessments PTE distribution, sources, environmental risks are, therefore, the first steps high-efficiency pollutant degradation sustainable utilization. current study used a variety contamination indicators multivariate methods evalua...
Background and Purpose: The contamination by potentially toxic element (PTE) is a common environmental issue in worldwide rivers. The present study examined PTEs concentration in sediments of Talar River which is one of the main rivers in the Sothern Caspian Basin. Materials and Methods: The sediment samples (n= 44) were collected from top 0–5 cm of surface sediment in the main channel and flo...
Although the use of moss as biomonitor air pollution is relatively simple, interpretation data needs reference values. Background values for Cd, Cu, Pb, and Zn accumulated in samples from Switzerland, collected every five years 1995 to 2015 framework European Moss Survey, were statistically estimated. These background can be used assessment spatial temporal trends, expressed terms bioaccumulati...
Abstract Potentially toxic elements (PTEs) were investigated in the different sizes of road deposited sediments (RDS) around active smelting industry to understand their sources and assess pollution ecological risk levels. The highest PTEs concentrations was shown near raw materials import port facilities. fine particles RDS showed extremely high concentrations. Zn has mean concentration < 6...
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