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The word radio is derived from the Latin word radius, meaning "spoke of a wheel, beam of light, ray".It was first applied to communications in 1881 when, at the suggestion of French scientist Ernest Mercadier [], Alexander Graham Bell adopted radiophone (meaning "radiated sound") as an alternate name for his photophone optical transmission system.
China's waste import ban, instated at the end of 2017, prevented foreign inflows of waste products.Starting in early 2018, the government of China, under Operation National Sword, banned the import of several types of waste, including plastics with a contamination level of above 0.05 percent. [1]
After the television ban, most cigarette advertising took place in magazines, newspapers, and on billboards. [60] Smokeless tobacco ads, on the other hand, remained on the air until a ban took effect on 28 August 1986. [63] [64] Even further restrictions took effect under the Family Smoking Prevention and Tobacco Control Act.
X-ray spectromicroscopy has been used to analyse the reactions of pigments in paintings. For example, in analysing colour degradation in the paintings of van Gogh. [140] Using X-ray for inspection and quality control: the differences in the structures of the die and bond wires reveal the left chip to be counterfeit. [141]
The intravenous dose causing 50% of opioid-naive experimental subjects to die (LD 50) is "3 mg/kg in rats, 1 mg/kg in cats, 14 mg/kg in dogs, and 0.03 mg/kg in monkeys." [ 96 ] The LD 50 in mice has been given as 6.9 mg/kg by intravenous administration, 17.5 mg/kg intraperitoneally, 27.8 mg/kg by oral administration. [ 97 ]
Turkey's smoke-free law ban includes provisions for violators, where anyone caught smoking in a designated smoke-free area faces a fine of 83 liras (~€35/$47/£30) and bar owners who fail to enforce the law could be fined from 560 liras for a first offence up to 5,600 liras.
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