Search results
Results from the WOW.Com Content Network
Zinc oxide is an inorganic compound with the formula Zn O.It is a white powder which is insoluble in water. ZnO is used as an additive in numerous materials and products including cosmetics, food supplements, rubbers, plastics, ceramics, glass, cement, lubricants, [12] paints, sunscreens, ointments, adhesives, sealants, pigments, foods, batteries, ferrites, fire retardants, semi conductors ...
The Pittsburgh drug trials of 1985 were the catalyst for a Major League Baseball-related cocaine scandal. Several current and former members of the Pittsburgh Pirates – Dale Berra, Lee Lacy, Lee Mazzilli, John Milner, Dave Parker, Rod Scurry – and other notable major league players – Willie Aikens, Vida Blue, Enos Cabell, Keith Hernandez, Jeffrey Leonard, Tim Raines, Lonnie Smith and ...
Doping ZnO nanostructures with other elements and molecules leads to a variety of material characteristics, because the addition or vacancy of atoms changes the energy levels in the band gap. [12] Native defects due to oxygen and zinc vacancies or zinc interstitials create its n-type semiconductor properties, but the behaviour is not fully ...
In the wake of a Chinese doping scandal, Michael Phelps doubled down Monday on his support for tougher sanctions — including a lifetime ban for anyone who tests positive for a banned substance.
In microelectronics, diethylzinc is used as a doping agent. [citation needed] For corrosion protection in nuclear reactors of the light water reactor design, depleted zinc oxide is produced by first passing diethylzinc through an enrichment centrifuge. The pyrophoricity of diethylzinc can be used to test the inert atmosphere inside a glovebox ...
The director of an international sports advocacy group has a warning for organizers of the Olympic Games ahead of next week’s competitions in the pool: The doping scandal that plagued the sport ...
Russian athlete Tatyana Tomashova is banned for 10 years by the Court of Arbitration for Sport and is stripped of her London 2012 1500m silver medal for doping. Runner in 2012 'dirtiest race' gets ...
Shortly before the man was arrested for trying to buy zinc/silver oxide batteries to power MIM-23 Hawk surface-to-air missiles for a customer in Tehran, Tappin was named as an exporter. [ 5 ] US federal authorities allege Tappin tried to buy 50 Eagle-Picher P/N GAP 4328 zinc/silver oxide batteries (National Stock Number: 1420-00-484-8556) [ 6 ...