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Naturally occurring strontium is nonradioactive and nontoxic at levels normally found in the environment, but 90 Sr is a radiation hazard. [4] 90 Sr undergoes β − decay with a half-life of 28.79 years and a decay energy of 0.546 MeV distributed to an electron, an antineutrino, and the yttrium isotope 90 Y, which in turn undergoes β − decay with a half-life of 64 hours and a decay energy ...
Strontium is a chemical element; it has symbol Sr and atomic number 38. An alkaline earth metal, it is a soft silver-white yellowish metallic element that is highly ...
Strontium aluminates are now the longest lasting and brightest phosphorescent material commercially available. For many phosphorescence-based purposes, strontium aluminate is a superior phosphor to its predecessor, copper-activated zinc sulfide, being about 10 times brighter and 10 times longer glowing.
Furthermore, subsurface water was contaminated through unconfined aquifer in correlation and proportionally to contamination of soil by isotopes of Strontium and Caesium. [1] Upper groundwater aquifer and most of Artesian aquifers were damaged in first place due to massive surface contamination with radioactive isotopes Strontium-90 and Cesium ...
The truth is, most things aren't actually all that bad for you if you take them in moderation. Prepare to rejoice and check out the round-up gallery above for 10 supposedly bad things that are ...
A set of 85,000 teeth that had been uncovered in storage in 2001 by Washington University were given to the Radiation and Public Health Project.By tracking 3,000 individuals who had participated in the tooth-collection project, the RPHP published results [10] that showed that the 12 children who later died of cancer before the age of 50 had levels of strontium-90 in their stored baby teeth ...
Chocolate is often seen as a “bad” food that you should avoid for better health. However, dark chocolate with a high cocoa content (70% cocoa or more) can actually be a heart-healthy food ...
Strontium ranelate is an antiosteoporotic agent which both increases bone formation and reduces bone resorption, resulting in a rebalance of bone turnover in favor of bone formation. This is similar to the effects of choline-stabilized orthosilicic acid.