Air Quality Control Equipment Guarantees

Equipment Requirements and Quality Control for Mammography

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Hierarchical Hybrid Control for Innovative Air-conditioning Equipment

This paper describes the control system for innovative air-conditioning equipment, in particular an air treatment unit. The most important characteristic of the equipment is to be “friend of the environment”, in the sense that it does not use environmentally aggressive refrigerating fluids. Other main characteristic is associated with the complexity of its control, due to the large number of in...

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

actual focal spot automatic exposure control comparator coulomb/kilogram detector effective focal spot focal spot blooming grid latitude grid uniformity half-value layer high-frequency homogenous phantom ion chamber kilowatt rating Law of Reciprocity linear tomography line focus principle linearity mobile x-ray generator objective plane photodetector pluridirectional tomography portable x-ray g...

Indoor Air Quality Monitoring and Control

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...