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This book provides a comprehensive introduction to the theoreticalfoundations of quantum tunneling, stressing the basic physicsunderlying the applications. The topics addressed include exponentialand nonexponential decay processes and the application of scatteringtheory to tunneling problems.

Tunneling (Physics).

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Every two years, industry experts and practitioners from around the world gather at the prestigious Rapid Excavation and Tunneling Conference (RETC) to learn about the latest developments in tunneling technology, and the signature projects that help society meet its growing infrastructure needs. Inside this authoritative 1608-page book, you'll find the 115 influential papers that were presented providing valuable insights from projects worldwide. You'll gain from the lessons learned-often the hard way-from large and demanding projects in difficult ground conditions. This book will take you u

Tunneling --- Excavation --- Underground construction

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This volume presents a selection of chapters covering a wide range of tunneling engineering topics. The scope was to present reviews of established methods and new approaches in construction practice and in digital technology tools like building information modeling. The book is divided in four sections dealing with geological aspects of tunneling, analysis and design, new challenges in tunnel construction, and tunneling in the digital era. Topics from site investigation and rock mass failure mechanisms, analysis and design approaches, and innovations in tunnel construction through digital tools are covered in 10 chapters. The references provided will be useful for further reading.

Tunneling. --- Tunnels --- Design and construction.

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Please note: In print form this book includes a CD-ROM, however it is not included with this eBook version of the book. Every two years, industry leaders and practitioners from around the world gather at the Rapid Excavation and Tunneling Conference (RETC), the authoritative program for the tunneling profession, to learn about the most recent advances and breakthroughs in this unique field. This comprehensive book includes more than 100 papers from industry experts, highlighting their most recent projects and sharing real-world experiences that will keep you up to date on the latest tunneling

Tunneling --- Excavation --- Underground construction --- Civil engineering --- Earthwork

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In der vorliegenden Arbeit wurde ein elektrochemisches Raster-Sonden-Mikroskop dazu benutzt, gezielt Nanostrukturen herzustellen und zu charakterisieren. Das elektrochemische Umfeld bietet gegenüber den sonst angewandten Techniken den Vorteil, dass die Über- und Untersättigung an den beiden Arbeitselektroden frei eingestellt werden kann. Diese Methode erlaubt es lokal Nanostrukturen definierter Größe herzustellen. Mittels einer selbst aufgebauten UHV-Apparatur konnten Präparationstechniken zur reproduzierbaren Herstellung von geometrisch hoch definierten STM-Spitzen für nahezu jedes Metall entwickelt werden. Derart qualitativ hochwertige STM-Spitzen ermöglichten erstmals einen Strommessbereich von 10-6 bis10-12 Ampere abzudecken. Die entwickelten Instrumente konnten zur Untersuchung der Systeme Co bzw. Ni auf Au(111)-Substraten eingesetzt werden. Das Verfahren zur Erzeugung magnetischer Nanostrukturen wurde optimiert und erste spektroskopische Messungen an der Fest-/ Flüssiggrenzfläche konnten durchgeführt werden.

Scanning tunneling microscopy. --- Scanning probe microscopy.