Sentence examples for required a source of from inspiring English sources

By contrast, the first occurrence of boninites, which required a source of volatiles, certainly marks the subduction of a hydrated lithosphere.

Maximum hypoxic tolerance only required a source of dietary carbohydrates and it was compromised by dietary proteins.

Complete and sustained loss of antibody reactivity required a source of reducing equivalents for the oxidoreductase.

(16) To assay piperazyl-thioesterified T domains then required a source of likely thiolation domains and a way to install the piperazyl residues.

Therefore, an influence of KNa current at the foot of AP generation presumably requires a source of Na+ and perhaps a requirement for coupling to local Na+ influx.

They require a source of protein and present variable amino acid requirements; several species such as Pyrococcus furiosus and Thermococcus kodakarensis are able to use chitin as a carbon source [3].

Abuta agrees: "The system requires a source of energy to run the pumps.

Regasification requires a source of heat to convert the liquid back into vapour.

Pellet stoves range from less than $1,500 to $3,000 or more, and require a source of electricity.

Many types of optical instruments form images by natural light, but some, such as microscopes and projectors, require a source of artificial light.

The formation of bone and repair of bone defect requires a source of pluripotential mesenchymal stem cells.