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Polymer/clay nanocomposites are a new class of reinforced polymer materials containing low quantities of nanometric-sized clay particles which impart them better mechanical, thermal, electrical, barrier properties, chemical resistance, etc., making them valuable materials in many industrial applications such as; coatings, automotive, packaging, construction, and electronics, etc. They have great potential of increasing the fields of use which indicates them as likely to be involved in many various aspects of our lives in the near future. This book explains the preparation of polymer/clay...

Die in diesem Band zusammengestellten Aufsatze befassen sich mit verschiedenen Aspekten der Zeit. Das Ziel ist nicht, den Begriff der Zeit auf einen Nenner zu bringen, sondern zu zeigen, dass viele Formen der Zeit und durchaus verschiedene Zeitstrukturen existieren. Nicht ein universal gultiger Zeitbegriff ist das Ziel. Vielmehr soll die Vielfalt des Zeitbegriffs zur Sprache gebracht werden. Die Texte mit linguistischem Ansatz versuchen zu analysieren, wie der Zeitbegriff sprachlich in Erscheinung tritt bzw. wie Zeit uberhaupt diskursiv etabliert wird. Die Untersuchung einer...

During the last decade the electronics industry faced growth rates considerably higher than average due to innovative products and the comprehensive use of electronic control devices for almost all types of technical products. Hence, printed circuit board (PCB) assembly can be seen as one of the most dynamic branches of the electronics industry. In modern electronics manufacturing, highly automated assembly systems are used to mount the electronic com- nents at pre-specified locations onto the PCBs. Because of the tremendous complexity of the process technology and huge capital investments,...