منابع مشابه
Ultrasound Equipment Quality Assurance
Components of an Ultrasound Quality Assurance Program 257 Quality Assurance and Preventive Maintenance 257 Tissue-Mimicking Phantoms 257 Tissue Properties Represented in Phantoms 257 Typical Quality Assurance Phantom Design 257 Cautions About Phantom Desiccation 258 Basic Quality Control Tests 259 Visual Inspection 259 Transducer Choice 259 System Sensitivity 260 Photography and Gray-Scale Hard...
متن کاملThe Main Cables – Catenary Cables
Thus far, the main cables have been referred to as catenary cables. For a cable to assume the shape of a catenary, the load on the cable must be uniformly distributed. Under the spaced suspender loading, the shape is closer to a parabola. The difference between the two is very slight. Since the equation for a parabola is easier to work with, most engineers use the parabola equation in the desig...
متن کاملEquipment Requirements and Quality Control for Mammography
DISCLAIMER: This publication is based on sources and information believed to be reliable, but the AAPM and the editors disclaim any warranty or liability based on or relating to the contents of this publication. The AAPM does not endorse any products, manufacturers , or suppliers. Nothing in this publication should be interpreted as implying such endorsement. All rights reserved. No part of thi...
متن کاملQuantum Counterfeit Coin Problems
The counterfeit coin problem requires us to find all false coins from a given bunch of coins using a balance scale. We assume that the balance scale gives us only “balanced” or “tilted” information and that we know the number k of false coins in advance. The balance scale can be modeled by a certain type of oracle and its query complexity is a measure for the cost of weighing algorithms (the nu...
متن کامل'Counterfeit deviance' revisited.
BACKGROUND The field has seen a renewed interest in exploring the theory of 'counterfeit deviance' for persons with intellectual disability who sexually offend. The term was first presented in 1991 by Hingsburger, Griffiths and Quinsey as a means to differentiate in clinical assessment a subgroup of persons with intellectual disability whose behaviours appeared like paraphilia but served a func...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: British Dental Journal
سال: 2015
ISSN: 0007-0610,1476-5373
DOI: 10.1038/sj.bdj.2015.306