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Travelling-wave lasing of TPD solutions and neat films
Synthetic Metals, 2000 The travelling-wave lasing action (amplified spontaneous emission (ASE)) of the electrically active triphenylamine dimer N,N'-diphenyl-bis(3-methylphenyl)-biphenyl-4,4'-diamine (TPD) in 1,4-dioxane solution and as neat film is studied.
Alfons Penzkofer +2 more
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The Durkee plant upgrade from 1500 TPD to 2700 TPD
1999 IEEE/-IAS/PCA Cement Industry Technical Conference. Conference Record (Cat. No.99CH36335), 2003The author describes the Durkee cement plant expansion project which was successful in meeting the five goals anticipated at the onset of the project. Ash Grove has added state-of-the-art equipment and control systems in a compact design that will enable the Durkee plant to meet the demand of a growing Northwest market well into the 21st Century.
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