selenium can be toxic, the element is also an important micronutrient, as it is a necessary cofactor for several enzymes. because of this key biological role, selenium is sometimes included in nutritional supplements. notably, the major mechanism of mercury poisoning is the permanent inactivation of...
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solvents remediation company ekora in collaboration with company nano iron, producer of zerovalent iron nanoparticles (nzvi), conducted pilot injection of surface stabilized nanoparticles of elemental iron (nanofer s) and their subsequent full-scale application to eliminate groundwater contamination...