Electrostatic Dust Mitigation and Manipulation Techniques for Planetary Dust explains how to control and remove dust in space due to the presence of a vacuum, abrasiveness of dust particles and electrostatic charge on particles. The book introduces innovative technologies that use electrostatic and di-electrophoretic forces to remove and transport small particles away from surfaces. In addition, it discusses how to resolve thermal control problems and reduce lung inhalation and eye irritation problems. The book includes two abrasive wear test devices that were designed to study the rate of volume wear for di?erent materials when subjected to lunar dust simulant of di?erent size ranges. This will be an ideal resource for space system engineers, space exploration researchers, and advanced students and professionals in space engineering. - Provides a comprehensive background on lunar and Martian dust properties and challenges and compares currently available mitigation strategies - Highlights the problems from dust on various space systems and crew - Features discrete element models which were created and calibrated based on experimental results to study the capacity of the proposed technique for removing and cleaning dust in a planetary environment
The aim of this work is threefold: First it should be a monographical work on natural bundles and natural op erators in differential geometry. This is a field which every differential geometer has met several times, but which is not treated in detail in one place. Let us explain a little, what we mean by naturality. Exterior derivative commutes with the pullback of differential forms. In the background of this statement are the following general concepts. The vector bundle A kT* M is in fact the value of a functor, which associates a bundle over M to each manifold M and a vector bundle homomorphism over f to each local diffeomorphism f between manifolds of the same dimension. This is a simple example of the concept of a natural bundle. The fact that exterior derivative d transforms sections of A kT* M into sections of A k+1T* M for every manifold M can be expressed by saying that d is an operator from A kT* M into A k+1T* M.
This book is the result of a 25-year-old project and comprises a collection of more than 500 attractive open problems in the field. The largely self-contained chapters provide a broad overview of discrete geometry, along with historical details and the most important partial results related to these problems. This book is intended as a source book for both professional mathematicians and graduate students who love beautiful mathematical questions, are willing to spend sleepless nights thinking about them, and who would like to get involved in mathematical research.
This book describes basic urological conditions and their management, with flowcharts to illustrate each step of patient treatment. Topics related to the upper and lower tract, urological infections, trauma, incontinence, andrology, and uro-oncology are all covered. The management of each condition is explained through point by point analysis that details patient pathways. Basic Urological Management aims to aid management decision making within urology and at specific points within patient pathways.
Now totally revised and rewritten for today’s female pelvic medicine and reconstructive surgery practice, Ostergard’s Textbook of Urogynecology: Female Pelvic Medicine & Reconstructive Surgery, 7th Edition, offers comprehensive guidance on all aspects of this complex field. Drs. Ali Azadi, Jeffrey L. Cornella, Peter L. Dwyer, and Felicia L. Lane bring you up to date with current diagnosis and treatment of all female pelvic floor dysfunctions, including urinary incontinence and other lower urinary tract conditions, disorders of the anus and rectum, and disorders of pelvic support. Thorough updates include revised and rewritten content throughout, new full-color illustrations, new surgical videos, new chapters on current clinical topics, and much more.
The study of gynecology and pelvic floor disorders is a rapidly developing area for gynecologists all around the world; and, moreover, an essential aspect to the diagnosis and treatment of pelvic floor disorders is a need for expertise in cystourethroscopy to accurately diagnose conditions of the lower urinary tract that frequently present to the g
Electrostatic Dust Mitigation and Manipulation Techniques for Planetary Dust explains how to control and remove dust in space due to the presence of a vacuum, abrasiveness of dust particles and electrostatic charge on particles. The book introduces innovative technologies that use electrostatic and di-electrophoretic forces to remove and transport small particles away from surfaces. In addition, it discusses how to resolve thermal control problems and reduce lung inhalation and eye irritation problems. The book includes two abrasive wear test devices that were designed to study the rate of volume wear for di?erent materials when subjected to lunar dust simulant of di?erent size ranges. This will be an ideal resource for space system engineers, space exploration researchers, and advanced students and professionals in space engineering. - Provides a comprehensive background on lunar and Martian dust properties and challenges and compares currently available mitigation strategies - Highlights the problems from dust on various space systems and crew - Features discrete element models which were created and calibrated based on experimental results to study the capacity of the proposed technique for removing and cleaning dust in a planetary environment
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