TRACK THEORY AND RADIATION QUALITY. Radiation detection and damage data from several physical, chemical, and biological systems have been analysed by a unified track theory, in which observed effects are attributed to the interaction of secondary electrons with the medium. Gamma-ray dose-response curves are combined with calculations of the spatial dose distribution about an ion's path to yield...

current practices in railway track analysis and design are reviewed and discussed in this paper. the mechanical behavior of railway track structure comprising of various components has not been fully understood due to the railway track structural complexity. although there have been some improvements in the accuracy of current track design methods in recent decades, there are still considerable...

CONTEXT The Q-Tracks program, created in 1999, is a quality monitoring subscription service offered by the College of American Pathologists. OBJECTIVE To establish benchmarks in quality metrics, monitor changes in performance over time, and identify practice characteristics associated with better performance. DESIGN The Q-Tracks program provides ongoing study of multiple metrics offered in ...

excellence synergic index (esi) is a new method for the excellence measurement. this technique is a causal method. esi method was developed for studying the relations and interaction of excellence criteria and organizational pathology. by “esi”, it is possible to measure the performance excellence of any service enterprises, to diagnosis organizational pathos and to propose problem-solving an...

background: infertility has potentially inappropriate effects on quality of life in infertile couples. various general and specific questionnaires have been structured for assessing different aspects of quality of life in infertile men, women, or couples. the present systematic review was designed to assess these questionnaires and also identify different factors affecting infertile couples bas...

background: health system pharmacies, like other health care professional, practice under a number of mandated stan­dards. basic concepts of quality assurance (qa) standards should be applied to hospital pharmacy practice. the survey re­ported here is to assess qa system implementation and its standard indicators observation in tehran university of medical sci­ences (tums) hospitals' pharmacies...

abstract background: client satisfaction is an important indicator for assessment of the quality of care provided. detecting patients dissatisfaction and trying to find the most effective and costly services is the basic way for improvement of service quality. the purpose of this study was to determine the satisfaction level of women in the maternity care centers (hospitals) of lorestan univers...