Sentence examples for quantities of trace from inspiring English sources

Reliable monitoring of small quantities of trace gases in complicated gas mixtures is of great importance for all research areas of life sciences.

Plasma Se levels are commonly decreased in critically ill patients for several reasons, including decreased Se intake, haemodilution by resuscitation fluids and incompletely replaced loss of biological fluids that contain large quantities of trace elements (mainly blood loss) [ 1, 2].

Hair shaft Zn and Cu levels are useful parameters to determine the quantity of trace elements that is available to the hair follicles at the time of growth, rather than the actual time that children are sampled.

89 There is growing evidence that routine ingestion of a multivitamin or mineral supplement that includes moderate quantities of essential trace elements may result in improvements in immune functions in older people.

Quantity of these trace elements in tobacco depends upon genotype, type of water, soil and their respective pH, stalk position, fertilizers, pesticides applied and the environment.

Mine tailings discharged to river systems have the potential to release significant quantities of major and trace metals to waters and soils when weathered.

Water used for drinking contains small quantities of heavy or trace metals that help in normal functioning of the human body but, in excess, can be toxic to human health.

Data from onboard instruments indicated the presence of trace quantities of methane over an area containing water ice.

It is present in food, but only in the kind of trace quantities that can be detected by ultrasensitive analytical techniques.

A substoichiometric radiochemical displacement method has been designed for the estimation of trace quantities of iron.

This is therefore probably due to the oxidative breakdown of trace quantities of organic substances.