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Recently we were asked to produce target capsules with bumps on the surface. The bumps were to test the effects of fill tubes in future targets. The bumps desired were to be Gaussian in shape and from 60 to 40 {micro}m in diameter and from 1 to 6 {micro}m high. The capsules had a nominal diameter of 500 {micro}m. The approach we used was to align a precision aperture to the capsule and coat through the aperture onto the capsule surface using plasma polymer coating. The bumps were characterized using optical microscopy, Wyko interferometry, and AFM sphere mapping.
Ergänzt um das Kapitel: Tauchen und COVID ! Der Tauchsport ist zu einer sehr populären Freizeitbeschäftigung geworden, die von Jung und Alt betrieben wird. Getaucht wird im Ausland, aber auch ganzjährig in unseren heimischen Gewässern. Mit der Entwicklung zum Breitensport ist für viele Taucher der Bedarf an fundierten tauchmedizinischen Kenntnissen entstanden. Dasselbe Interesse besteht bei Berufstauchern, Militärtauchern, Tauchern im Wissenschaftsbetrieb, Polizei- und Feuerwehrtauchern und gewerblichen Tauchlehrern. Diese Taucher wünschen sich leicht verständliche und trotzdem detaillierte Informationen über die Auswirkungen des Tauchens auf den menschlichen Körper. Tauchmedizini...
In v.1-8 the final number consists of the Commencement annual.
Title of the first 10 volumes of the series is Germans to America : lists of passengers arriving at U.S. ports 1850-1855.
In Retail and Social Change Steven Miles, presents a cross-disciplinary analysis of the evolution of retail and how in both its material and virtual guises it has come to reframe our relationship with the social world. Retail has become increasingly influential in homogenising the urban experience. And yet in reacting to trends in virtual consumption retailers are also becoming more and more conscious of the need to engage with consumers in more sophisticated ways. Retail and Social Change will interest students and scholars in geography, cultural studies, sociology, marketing and business studies interested in how and why retail pervades both our physical and emotional lives in increasingly unexpected ways. It will provide a lively, comparative and thought-provoking contribution that interrogates the implications of retail change, for what it means to be a citizen of a consumer society in the twenty-first century.
This book is devoted to recent developments in the field of rotating fluids, in particular the study of Taylor--Couette flow, spherical Couette flow, planar Couette flow, as well as rotating annulus flow. Besides a comprehensive overview of the current state of the art, possible future directions in this research field are investigated. The first part of this volume presents several new results in the classical Taylor--Couette system covering diverse theoretical, experimental and numerical work on bifurcation theory, influence of boundary conditions, counter-rotating flows, spiral vortices and many others. The second part focuses on spherical Couette flows, including isothermal flows, thermal convective motion, as well as magnetohydrodynamics in spherical shells. The remaining parts are devoted to Goertler vortices, rotating annulus flows, as well as superfluid Couette flows. The present book will be of interest to all researchers and graduate students working actively in the field.
Hydrodynamic stability is of fundamental importance in the mechanics of fluids and is mainly concerned with the problem of the transition to turbulence. This book is devoted to publication of original research papers, research-expository and survey articles with an emphasis on unsolved problems and open questions in the mathematical modeling and computational aspects of hydrodynamic stability. Review chapters on the mathematical modeling and numerical simulation aspects of hydrodynamic stability, the physical background, and the limitations of the modeling and simulation procedures, due to particular mathematical or computational methods used, are included. This book will be appropriate for use in research and in research-related courses on the subject. It includes chapters on bifurcations in fluid systems, flow patterns, channel flows, non-parallel shear flows, thin-film flows, strong viscous shear flows, Gortler vortices, bifurcations in convection, wavy film flows and boundary layers.
Vols. for 1957-61 include an additional (mid-January) no. called Directory issue, 1st-5th ed. The 6th ed. was published as the Dec. 1961 issue.