One of the piquÃ© fabrics, made in cotton or cotton blends and with a small, distinct raised pattern on its face. Birdseye piquÃ©âs pattern is a tiny diamond shape, reminiscent of a birdâs eye. A similar but somewhat larger oval pattern is called bullseye piquÃ©. Also written birdâs-eye piquÃ©, birdâs eye piquÃ©.
Chromium Estimated Population At Risk At Identified Sites: 7.3 Million People. Estimated Global Impact: 13 to 17 Million People. Introduction. Chromium is a naturally occurring heavy metal that is commonly used in industrial processes and can cause severe health effects in humans. Although it can be released through natural forces, the majority of the environmental releases of chromium are from industrial sources.
Trivalent chromium (Cr(III)) ion is possibly required in trace amounts for sugar and lipid metabolism, although the issue remains in debate. In larger amounts and in different forms, chromium can be toxic and carcinogenic.The most prominent example of toxic chromium is hexavalent chromium (Cr(VI)).aturally occurring chromium is composed of three stable isotopes; 52 Cr, 53 Cr and 54 Cr with 52 Cr being the most abundant (83.789% natural abundance). 19 radioisotopes have been characterized with the most stable being 50 Cr with a half-life of (more than) 1.8 Ã 10 years, and 51 Cr with a half-life of 27.7 days.