Assessment of human exposure to atmospheric metals is a challenge, and mosses seem be good biomonitors help this purpose. Lacking roots, they are easy collect analyze. However, our knowledge, no formal comparison was made between cadmium (Cd) measurements in Grimmia alternative forecasts Cd pollution as those produced by the CHIMERE chemistry transport model. This work aims at studying link imp...

nanoparticles classified in 4 overall groups containing: metallic nanoparticles, ceramic nanoparticles, polymeric nanoparticles and semiconductor nanoparticles. these nanoparticles are used in some biomedical applications such as carrying medicine and photographing agents. with attention to different criteria which are both qualitative and quantitative, selecting the most suitable nanoparticles...

The current study includes determination of the concentrations lead (Pb) in 18 specimen Kirkuk city soil (K). Inductively Coupled Plasma - Mass Spectrometry (ICP-MS) technology has been used analysis samples laboratories Acme company Canada. Results chemical clarified a rise average (26.11 ppm) compared with international (10 and uncontaminated ones (15 ppm), its surface depth (30.2ppm) lower d...

In recent years, destructive earthquakes have shown the deficiencies of the existing buildings. One of the most effective mechanisms for dissipating the earthquake energy is inelastic deformation of the steel components. The objective of this research is to study the application of metallic dampers for dissipation of the earthquake energy and to investigate the behavior of concrete structures i...

the mono-metallic and bi-metallic catalysts have been prepared by impregnating with solutions containing a compound of h2ptcl6,wo3 and 1ml hcl (0.1 mol). it should be noted that the catalysts’ activity and selectivity have been determined under these conditions : 450-5000c ,and 15-25atm by h2. for converting n-heptane , the molar ratio h2/c7h16 is 5 , and lhsv is 1.5ml/h. it has been proved tha...

introduction: foreign body aspiration (fba) represents a life-threatening emergency .it occurs primarily in children below 3 years. generally, the most common aspirated fb is organic material such as nuts or beans. sharp foreign bodies (fbs) are of particular concern to the attending clinician, because of their potential to perforate the air passage and cause possible complications. here in, we...

Marine pollution is one of the biggest environmental problems, mainly due to single-use or disposable plastic waste fragmenting into microplastics (MPs) and nanoplastics (NPs) entering oceans from coasts together with human-made MPs. A rapidly growing worry concerning human safety has stimulated research interest in potential risks induced by chemicals associated MPs/NPs. In this framework, pre...

Abstract Global fuel consumption and harmful gaseous emissions diverted energy sources to alternative means. Solar water splitting amidst other solar conversion methods is the most clean efficient means of hydrogen production. 21 st century technologies have delved into adopting nanomaterials high efficiency treat environmental pollution produce through electrochemical, photocatalytic, or elect...