نتائج البحث

...he addition of .uoride to drinking water to aid in the prevention of tooth decay. ...l caused by excessive ingestion of .uoride by children during the years of tooth calci.cation which is character­ized by brown staining or mottling of the

* saw tooth oscillator * series decay

...isotope of carbon that emits beta particles when it undergoes radioactive decay. * Compound 146 Polyurethane material used for sprocket tooth insert by USFil-ter/Rex & Link-Belt Products.