Sentence examples for introduction of chemicals from inspiring English sources

Chelation is the introduction of chemicals (and there are several, including dimercaprol, which was used during the second world war as an antidote to the chemical warfare agent Lewisite), either orally or intravenously, which then bind to poisonous metals such as mercury, arsenic and lead so they can be excreted.

From digging up ancient boreal forests in Canada's tar sands to spilling oil in the North Sea and the Gulf of Mexico to the constant introduction of chemicals into our lands and into our everyday lives, we're finding new ways to hurt our environment every day".

In the period from the 1930s to the 1960s, the replenishment of body fluids by intravenous infusion, the introduction of chemicals and antibiotics to fight infection and to treat the metabolically disturbed body, and the development of heart-lung machines helped bring surgery to a state in which every body cavity, system, organ, and area could safely be operated on.

114 Introduction of chemicals known to increase arousal in rats, such as methamphetamines or the anti narcoleptic drug modafanil, increase nuclear Fos expression in orexin cell bodies.

In fact, several authors noted that the introduction of chemicals to agricultural practices was a recent phenomenon in their study areas (De Michele et al. 1996; Liou et al. 1997; Tanner et al. 1989) and doubted that the period when pesticides may have contaminated well water would have been relevant to initiation of disease among the subjects they studied.

A professor of chemistry at the University of Montpellier, Venel worked to advance medicine through the introduction of chemical remedies.

In his new-year message to supporters he called for the return of the death penalty and the introduction of chemical castration for sex offenders.

Local taste also has produced embellishment that evokes the Peranakans's Chinese roots, like dragons and phoenixes, and the introduction of chemical dyes in the batik industry of Southeast Asia also brought new vibrancy to a costume that traditionally tended to have the muted colors of natural dyes.

The introduction of chemical modifications in quadruplex structures could enhance the in vivo biological activity.

Plaggic agriculture was the dominant land use system on Pleistocene sandy soils in Northwest Europe before the introduction of chemical fertilizers.

Thus, the presence of contaminants retained during synthesis, the deliberate introduction of chemical groups during functionalization, or the presence of defects, may alter CNT toxicity.