Sentence examples for metal activity from inspiring English sources
There is, however, no evidence of metal activity in sedimentary rocks and therefore no compelling reason to question thermal cracking theory.
On the other hand, the problem of controlling the ion concentrations in natural systems may be formulated as follows: What is the response of the system when changing the parameters that govern the pM (negative logarithm of metal activity)?
The sodium solubility in silicate melts in the CaO MgO SiO2 (CMS) system at 1400 °C has been measured by using a closed thermochemical reactor designed to control alkali metal activity.
This unique activity for an iron complex, the few previous examples that are known to be poor hydrosilation catalysts, suggests that modulation of metal activity using newly designed ligands may allow the synthesis of newer and much more effective catalysts from transition metals that are less expensive than the traditional Pt- or Rh-based complexes.
Emerging reports on the biotoxicity of chromium III) complexes have emphasized the effects of the coordinated ligand on metal activity [ 27].
Interestingly, copper metal activity is observed to increase modestly as the fresh metal nanoparticles age in the atmosphere, which may suggest elevated activity for partially oxidized surfaces.
Given the strong interaction upon the chemistry, the toxicity interaction data were analyzed based on resulting free metal activities to tease out the effect of chemistry changes from that of toxicological responses.
The supplied concentration of HEDTA provided a 25 μM excess over the total concentration of transition metal cations, thereby buffering free metal activities at environmentally relevant levels [ 31].
Metal-on-metal activities, particularly with various tools, are often associated with metallic IOFBs [4].
The metal chelating activity and phosphomolybdenum activity showed high variation between the extracts.
Glutathione and free amino acids are known to induce heavy-metal tolerance by antioxidant action and metal chelating activity, respectively [ 47].
