Sentence examples for metals were added from inspiring English sources
The heavy metals were added to soil samples and the retention examined using a speciation scheme with five fractions: exchangeable, acid-soluble, reducible, oxidizable and residual.
Two settings were analyzed: 1) batch cultures in which alkaline earth metals were added only at the beginning; 2) cultures supplemented continuously with fragments of alkaline earth element-containing carbonate microbialites.
Various kinds of precious metals were added to the Ni-Y2O3-stabilized zirconia (Ni-YSZ) cermets, and the relation between steam reforming of CH4 and the electrochemical activity as a solid oxide fuel cell (SOFC) anode was investigated.
When 0.01 1 wt.% of noble metals were added to the Co SiO2 catalysts, a high and stable catalytic activity was obtained over 60 h of the reaction at 503 K and 1 MPa.
When chlorides of alkali metals were added to the CuCl CuCl2 melt, the electron component of electroconductivity was preserved up to 90, 65, 60, and 50 mol.% LiCl, NaCl, KCl, and CsCl, respectively.
Pure gold could not be used to produce marks because it was too soft, so copper or other metals were added to produce a hard alloy; the purity of the coin was then expressed by the proportion of its carat weight that was actually contributed by gold.
To maintain hardness, therefore, other metals are added to form alloys that are harder, stronger, and less prone to fatigue.
In order to obtain colorful fireworks, metals are added to the gunpowder, and when a fireworks explodes, it releases a lot of smoke, along with minute metallic particles, of a few microns in size, or even less, small enough to be inhaled deeply into the lungs.
To overcome these limitations, appropriate transition metals are added to prevent sulfur from dissolving in the electrolyte.
For example, a truckload of beef was turned away at the Mexican border when inspectors found levels of copper (heavy metals are added to animal feed to prevent intestinal parasites) far in excess of Mexican safety standards.
Transition metals are added to the TAP medium as EDTA-complexes in a solution known as Hutner trace solution [19].
