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External Beam Therapy

External Beam Therapy

Peter Hoskin

Oxford University Press
2019
nidottu
External beam therapy is the most common form of radiotherapy, delivering ionizing radiation such as high-energy x-rays, gamma rays, or electron beams directly into the location of the patient's tumour. Now in its third edition, this book is an essential, practical guide to external beam radiotherapy planning and delivery, covering the rapid technological advances made in recent years. The initial chapters give a detailed insight into the fundamentals of clinical radiotherapy. This is followed by systematic details for each tumour site commonly treated with radiotherapy, covering indications, treatment, and planning. The final chapter covers the all important aspect of quality assurance in radiotherapy delivery. This third edition has been fully updated and revised to reflect new techniques, including details of intensity modulated radiotherapy (IMRT), image guided radiotherapy (IGRT), stereotactic body radiotherapy (SBRT), and proton therapy. Written by experts in each field, External Beam Therapy is an invaluable companion to professionals and trainees in medical physics, therapeutic radiology, and clinical or radiation oncology. ABOUT THE SERIES Radiotherapy remains the major non-surgical treatment modality for the management of malignant disease. It is based on the application of the principles of applied physics, radiobiology, and tumour biology to clinical practice. Each volume in the series takes the reader through the basic principles of the use of ionizing radiation and then develops this by individual sites. This series of practical handbooks is aimed at physicians both training and practising in radiotherapy, as well as medical physics, dosimetrists, radiographers, and senior nurses.
Molecular Beam Epitaxy

Molecular Beam Epitaxy

John Orton; Tom Foxon

Oxford University Press
2015
sidottu
The book is a history of Molecular Beam Epitaxy (MBE) as applied to the growth of semiconductor thin films (note that it does not cover the subject of metal thin films). It begins by examining the origins of MBE, first of all looking at the nature of molecular beams and considering their application to fundamental physics, to the development of nuclear magnetic resonance and to the invention of the microwave MASER. It shows how molecular beams of silane (SiH4) were used to study the nucleation of silicon films on a silicon substrate and how such studies were extended to compound semiconductors such as GaAs. From such surface studies in ultra-high vacuum the technique developed into a method of growing high quality single crystal films of a wide range of semiconductors. Comparing this with earlier evaporation methods of deposition and with other epitaxial deposition methods such as liquid phase and vapour phase epitaxy (LPE and VPE). The text describes the development of MBE machines from the early âhome-madeâ variety to that of commercial equipment and show how MBE was gradually refined to produce high quality films with atomic dimensions. This was much aided by the use of various in-situ surface analysis techniques, such as reflection high energy electron diffraction (RHEED) and mass spectrometry, a feature unique to MBE. It looks at various modified versions of the basic MBE process, then proceed to describe their application to the growth of so-called âlow-dimensional structuresâ (LDS) based on ultra-thin heterostructure films with thickness of order a few molecular monolayers. Further chapters cover the growth of a wide range of different compounds and describe their application to fundamental physics and to the fabrication of electronic and opto-electronic devices. The authors study the historical development of all these aspects and emphasise both the (often unexpected) manner of their discovery and development and the unique features which MBE brings to the growth of extremely complex structures with monolayer accuracy.
Electron Beam Testing Technology

Electron Beam Testing Technology

Kluwer Academic/Plenum Publishers
1993
sidottu
Although exploratory and developmental activity in electron beam testing (EBT) 25 years, it was not had already been in existence in research laboratories for over until the beginning of the 1980s that it was taken up seriously as a technique for integrated circuit (IC) testing. While ICs were being fabricated on design rules of several microns, the mechanical ne edle probe served quite adequately for internal chip probing. This scenario changed with growing device complexity and shrinking geometries, prompting IC manufacturers to take note ofthis new testing technology. It required several more years and considerable investment by electron beam tester manufacturers, however, to co me up with user-friendly automated systems that were acceptable to IC test engineers. These intervening years witnessed intense activity in the development of instrumentation, testing techniques, and system automation, as evidenced by the proliferation of technical papers presented at conferences. With the shift of interest toward applications, the technology may now be considered as having come of age.
Cone Beam Computed Tomography: From Capture to Reporting, An Issue of Dental Clinics of North America
This issue of Dental Clinics updates topics in CBCT and Dental Imaging. Articles will cover: basic principles of CBCT; artifacts interfering with interpretation of CBCT; basic anatomy in the three anatomic planes of section; endodontic applications of CBCT; pre-surgical implant site assessment; software tools for surgical guide construction; CBCT for the nasal cavity and paranasal sinuses; CBCT and OSA and sleep disordered breathing; update on CBCT and orthodontic analyses; liabilities and risks of using CBCT; reporting findings in a CBCT volume, and more!
A Beam of Intense Darkness

A Beam of Intense Darkness

James S. Grotstein

Routledge
2019
sidottu
The author surveys Bion's publications and elaborates on his key contributions in depth while also critiquing them. The scope of this work is to synopsize, synthesize, and extend Bion's works in a reader-friendly manner. The book presents his legacy - his most important ideas for psychoanalysis. These ideas need to be known by the mental health profession at large. This work highlights and defines the broader and deeper implications of his works.It presents his ideas faithfully and also uses his ideas as "launching pads" for the author's conjectures about where his ideas point.
Ion Beam Analysis

Ion Beam Analysis

Michael Nastasi; James W. Mayer; Yongqiang Wang

CRC Press
2019
nidottu
Ion Beam Analysis: Fundamentals and Applications explains the basic characteristics of ion beams as applied to the analysis of materials, as well as ion beam analysis (IBA) of art/archaeological objects. It focuses on the fundamentals and applications of ion beam methods of materials characterization.The book explains how ions interact with solids and describes what information can be gained. It starts by covering the fundamentals of ion beam analysis, including kinematics, ion stopping, Rutherford backscattering, channeling, elastic recoil detection, particle induced x-ray emission, and nuclear reaction analysis. The second part turns to applications, looking at the broad range of potential uses in thin film reactions, ion implantation, nuclear energy, biology, and art/archaeology. Examines classical collision theoryDetails the fundamentals of five specific ion beam analysis techniquesIllustrates specific applications, including biomedicine and thin film analysisProvides examples of ion beam analysis in traditional and emerging research fields Supplying readers with the means to understand the benefits and limitations of IBA, the book offers practical information that users can immediately apply to their own work. It covers the broad range of current and emerging applications in materials science, physics, art, archaeology, and biology. It also includes a chapter on computer applications of IBA.
Cone Beam Computed Tomography
Conventional computed tomography (CT) techniques employ a narrow array of x-ray detectors and a fan-shaped x-ray beam to rotate around the patient to produce images of thin sections of the patient. Large sections of the body are covered by moving the patient into the rotating x-ray detector and x-ray source gantry. Cone beam CT is an alternative technique using a large area detector and cone-shaped x-ray beam to produce 3D images of a thick section of the body with one full angle (360 degree or 180 degree plus detector coverage) rotation. It finds applications in situations where bulky, conventional CT systems would interfere with clinical procedures or cannot be integrated with the primary treatments or imaging systems. Cone Beam Computed Tomography explores the past, present, and future state of medical x-ray imaging while explaining how cone beam CT, with its superior spatial resolution and compact configuration, is used in clinical applications and animal research. The book: Supplies a detailed introduction to cone beam CT, covering basic principles and applications as well as advanced techniquesExplores state-of-the-art research and future developments while examining the fundamental limitations of the technologyAddresses issues related to implementation and system characteristics, including image quality, artifacts, radiation dose, and perceptionReviews the historical development of medical x-ray imaging, from conventional CT techniques to volumetric 3D imagingDiscusses the major components of cone beam CT: image acquisition, reconstruction, processing, and display A reference work for scientists, engineers, students, and imaging professionals, Cone Beam Computed Tomography provides a solid understanding of the theory and implementation of this revolutionary technology.
Laser Beam Propagation
How do laser beams propagate? Innovative discoveries involving laser beams and their propagation properties are at the heart of Laser Beam Propagation: Generation and Propagation of Customized Light. This book captures the essence of laser beam propagation. Divided into three parts, it explores the fundamentals of how laser beams propagate, and provides novel methods to describe and characterize general laser beams. Part one covers the physical optics approach to the propagation of optical waves, the concept of plane waves, the mathematical description of diffraction and Gaussian optics, and adapting the concepts to the single photon level. The book explains the parallels between the paraxial propagation of light beams and the Schrödinger equation in quantum mechanics, and delves into the description of paraxial optics by means of state vectors and operators. It also discusses classical optics and quantum entanglement. Part two focuses on the application of modal decomposition to the characterization of laser beams, and provides a characterization of time domain pulses. It discusses tools for the temporal characterization of laser beams, the generation of arbitrary laser beams with digital holograms, and the use of spatial light modulators to display reconfigurable digital holograms capable of modifying and shaping laser beams. It also covers various techniques and the control of the polarization properties of light.Part three defines the most commonly generated shaped light, flat-top beams, outlining their propagation rules as well as the means to create them in the laboratory. It also highlights Helmholtz-Gauss beams, vector beams, and low coherence laser beams.The text presents the concepts of coherence theory and applies this to the propagation of low coherence optical fields. It also considers the recent developments in orbital angular momentum carrying fields, touches on basics properties, definitions and applications, and brings together the classical and quantum concepts of spatial modes of light.
Laser Beam Shaping Applications
This new edition details the important features of beam shaping and exposes the subtleties of the theory and techniques that are best demonstrated through proven applications. New chapters cover illumination light shaping in optical lithography; optical micro-manipulation of live mammalian cells through trapping, sorting, and transfection; and laser beam shaping through fiber optic beam delivery. The book discusses applications in lithography, laser printing, optical data storage, stable isotope separation, and spatially dispersive lasers. It also provides a history of the field and includes extensive references.
Cone Beam Computed Tomography
Written for the clinician, Cone Beam Computed Tomography helps the reader understand how CBCT machines operate, perform advanced diagnosis using CT data, have a working knowledge of CBCT-related treatment planning for specific clinical tasks, and integrate these new technologies in daily practice. This comprehensive text lays the foundation of CBCT technologies, explains how to interpret the data, recognize main pathologies, and utilize CBCT for diagnosis, treatment planning, and execution. Dr. Sarment first addresses technology and principles, radiobiologic risks, and CBCT for head and neck anatomy. The bulk of the text discusses diagnosis of pathologies and uses of CBCT technology in maxillofacial surgical planning, orthodontic and orthognathic planning, implant surgical site preparation, CAD/CAM surgical guidance, surgical navigation, endodontics airway measurements, and periodontal disease.
Chemical Beam Epitaxy and Related Techniques
Chemical Beam Epitaxy (CBE), is a powerful growth technique which has come to prominence over the last ten years. Together with the longer established molecular beam epitaxy (MBE) and metal organic vapour phase epitaxy (MOVPE), CBE provides a capability for the epitaxial growth of semiconductor and other advanced materials with control at the atomic limit. This, the first book dedicated to CBE, and closely related techniques comprises chapters by leading research workers in the field and provides a detailed overview of the state-of-the-art in this area of semiconductor technology. Topics covered include equipment design and safety considerations, design of chemical precursors, surface chemistry and growth mechanisms, materials and devices from arsenide, phosphide, antimonide, silicon and II-VI compounds, doping, selected area epitaxy and etching. The volume provides an introduction for those new to the field and a detailed summary for experienced researchers.
Moon Beam and the War of the Witch Queen

Moon Beam and the War of the Witch Queen

Bethany Nichole Coffey

iUniverse
2005
pokkari
Dawn breaks, and the world awakes to tragedy and horror. Addressing a terrified crowd, Bayla, the Witch Queen, announces that she has slain her own sisters, the rulers of the land. In her quest for power, Bayla has gone mad and declares herself supreme ruler. Instead of cowering, the creatures of the land unite and drive Bayla into the desert land of Nadura. They build Jaden's Wall to ensure her final imprisonment. For a while, the world puts the memory of the Witch Queen and her madness in the past, but few realize just how strong Bayla is becoming behind Jaden's Wall. All too soon, Bayla breaks free, this time with an army of her own evil creation. Moon Beam, a free-spirited Unicorn, learns of the threat and calls for her clans to unite with the humans once more to destroy the evil forever. Will Moon Beam live through the battle ahead, or will her bravery and determination lead to her destruction?
Bessie Beam from Brayfoot Cottages

Bessie Beam from Brayfoot Cottages

Colette Robinson

Colette Robinson
2023
sidottu
This is a set of six stories. All bursting with magic, happiness, and pure joy, set in the magical world of Fairy Lane with its youngest resident, Bessie Beam. Bessie, with her fairy friends, takes the reader into the lives and homes of Mr Tum, Dr Stanley, Mrs Hector and Cuddles the calf, to name a few. Fairies, magical wishing powder and a special little girl bring a combination of delightful fun, exciting adventures and lots of laughter.
Bessie Beam from Brayfoot Cottages

Bessie Beam from Brayfoot Cottages

Colette Robinson

Colette Robinson
2023
pokkari
This is a set of six stories. All bursting with magic, happiness, and pure joy, set in the magical world of Fairy Lane with its youngest resident, Bessie Beam. Bessie, with her fairy friends, takes the reader into the lives and homes of Mr Tum, Dr Stanley, Mrs Hector and Cuddles the calf, to name a few. Fairies, magical wishing powder and a special little girl bring a combination of delightful fun, exciting adventures and lots of laughter.
Moon Beam

Moon Beam

Steven Burgauer

Battleground Press
2018
pokkari
Peril stalked the corridors of the lunar habitat. Fear was its companion. The killer, a woman, fed on that fear. No one in the lunar station was safe from her wrath, not even the fresh, young team that had just arrived from Earth to erect the first lunar space elevator. When completed, the space elevator was destined to be one of the great engineering projects of all time. The unreeling of the space cable had just begun, when the killer struck a vengeful blow. Now, with a catastrophic solar flare flashing overhead, the race was on. Can Chief Clay Flynn and Senior Tech Lou Santini stop her before it was too late? Can they save the lives of the men, women, and children of the Lunar Station and its life-sustaining resources from total annihilation?