Sentence examples for metals which occur from inspiring English sources

There are very few other metals which occur native like platinum — just gold, silver, and copper, and one or two others".

When the microbes are challenged with a metallic precursor, mostly aerobic cells use their defense machinery to detoxify the metal which occurs preferably by the reduction of the metal from its native toxic form to the less toxic form (Weast 1984).

Ni is a trace metal which occurs only at very low concentrations in the environment and it is essential in small quantities even though it can be dangerous when the maximum tolerable amounts are exceeded (Wuana and Okieimen 2011) resulting in blindness, increased level of sugar in the blood and cholesterol in the serum (Iqbal et al. 2011).

Cadmium (Cd) is a heavy metal, which occurs in the environment both naturally and as contamination from industries and agricultural fertilizers [ 1].

Dative bonds are the third type of chemical bonds and are typical of transition metals complexes which occur between a transition metal and ligands that can be neutral with electron lone pair or can bear a negative charge.

This process of ablation is responsible for the layers of metal atoms which occur globally in the MLT.

Based on the knowledge gained from previous investigations on metal-on-metal bearings, this study was conducted to investigate tribochemical effects, which occur in large-diameter metal-on-metal implants.

"Many decades ago, when metal works was a chemical art, scientists realised that science could investigate the various phenomena which occur during metal production or transformation,... and now there are many metal science labs in the world," he writes in an e-mail.

This study discusses the failures introduced by geometry effects which occur due to isotropic wet etching of the metal layers.

We have studied redox reactions at semiconductor electrodes which occur in two separate one-electron transfer steps at metal electrodes.

Likewise, natural bilane-type tetrapyrroles (which occur in the course of the biosynthesis of the porphyrinoids) are not known to bind transition metal ions.