Introduction: Detergents lead to many environmental problems. The main aim of this study was to evaluate sequencing batch reactor (SBR) efficiency on Linear alkyl benzene sulfonate (LAS) removal. Materials and Methods: In this experimental study, to investigate the removal efficiency of LAS, a SBR reactor was used. A roughly 12-hour operating cycle was chosen which included the discharge time ...

Recent years have seen the fast spread of legalized gaming throughout the world. Amid the frenzied gaming boom, new casinos have mushroomed on every continent. Casinos in different continents operate in different legal and market environments and may have performed quite differently. This study examines the performance results of U. S. casinos, those in Nevada and on the Las Vegas Strip in part...

Las Vegas Cardsort ist ein einfaches Lernspiel, in dem die Spieler Karten sortieren. Las Vegas Cardsort wird von Schülern nicht als ein Lernprogramm, sondern als ein Minispiel wahrgenommen, dementsprechend hoch ist die Motivation und die Bereitschaft, mit Las Vegas Cardsort zu arbeiten. Es ergeben sich vielfältige Einsatzmöglichkeiten für den Unterricht. Las Vegas Cardsort kann auch ohne Progra...

in English CHANGE FONT Las nuevas leyes de derecho de autor: ¿adecuadas para la preservación ... http://www.informationr.net/ir/12-4/paper322.html 1 de 12 23/07/2014 12:38

Let f ∈ K(t) be a univariate rational function. It is well known that any non-trivial decomposition g ◦ h, with g, h ∈ K(t), corresponds to a non-trivial subfield K(f(t)) ( L ( K(t) and vice-versa. In this paper we use the idea of principal subfields and fast subfield-intersection techniques to compute the subfield lattice of K(t)/K(f(t)). This yields a Las Vegas algorithm with improved complex...