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Sorghum fibers were pretreated with ammonium hydroxide and the effectiveness of the pretreatment evaluated by enzyme hydrolysis and ethanol production. The treatment was carried out by mixing sorghum fibers, ammonia, and water at a ratio of 1:0.14:8 at 160°C for 1 h under 140–160 psi pressure. Approximately 44% lignin and 35% hemicellulose were removed(More)
Congenital elevation of the scapula was first described by Eulenburg in 1 863 and there have been many descriptions and reviews of the literature since then (Horwitz 1908; Cavendish i972; Ross and Cruess 1 977). The condition is usually known as Sprengel’ s shoulder (Sprengel i891), and because it is clinically recognisable and partiafly impairs function it(More)
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