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Hilbert transform in vibration analysis
This paper is a tutorial on Hilbert transform applications to mechanical vibration. The approach is accessible to non-stationary and nonlinear vibration application in the time domain. It thrives onExpand
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Non-linear system vibration analysis using Hilbert transform--I. Free vibration analysis method 'Freevib'
Abstract This study concentrates on techniques for non-linear system investigation, which enable us to identify instantaneous modal parameters (natural frequencies, damping characteristics and theirExpand
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Detection of THCA in oral fluid by GC-MS-MS.
A major marijuana metabolite, 11-nor-9-carboxy-tetrahydrocannabinol (THCA), has been identified in oral fluids from donors that previously tested positive for Delta(9)-tetrahydrocannabinol (THC). TheExpand
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Ghost Stories: Transgenerational Trauma and Witnessing in Analyst and Analysand
This paper discusses psychoanalytic psychotherapy with a prodigious artist presenting with a unique form of dissociation involving compulsive nearly continuous travel. Symptoms of insomnia, restlessExpand
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Psychic Equilibrium and Psychic Change : Selected Papers of Betty Joseph
Acknowledgements. Segal, Preface. General Introduction. Part 1: Beginnings. Introduction. 'An Aspect of the Repetition Compulsion' (1959). 'Some Characteristics of the Psychopathic' (1960). Part 2:Expand
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Electrospun polyacrylonitrile/poly(methyl methacrylate)-derived turbostratic carbon micro-/nanotubes
Nanotubes have great potential for applications in a rapidly increasing range of fields: catalysis, medicine, pharmacy, pheromone-release systems for crop protection, sensorics, and photonics. ThisExpand
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