background: according to quality transformation of services during the time, the quality requirements and standards also change and recognition of these requirements and transformation process can assist in recognizing the quality dimensions of services. the aim of this research was to explain the transformation process, requirements and quality dimensions of services in hospitals.   methods: t...

objectives: the present study aimed to investigate the relationship between religious coping and quality of life of mothers of children with hearing deficiency.  methods: in this study, 55 mothers of children with hearing deficiency referred to isfahan cochlear implant center, from june to august 2012, were selected through applying census method. the participants answered the questionnaires of...

background: breast is one of the main radiological sensitive organs, hence it is important to evaluate absorbed dose to this organ especially to the glandular parts. it is the aim of this study to measure mean glandular dose and image contrast in terms of different mammographic parameters. materials and methods: in this study two mammography machines located at said-al shohada (giotto) and shah...

objective: menopause is a natural part of women´s life. according to our country's age pyramid that is toward the aging and elderly, every year large number of women inter this period. during this period, due to the wide fluctuations of the hormones, it is caused unpleasant physical, psychological and sexual symptoms that affect women's quality of life negatively. because of the side effects of...

Background: Epidemiological studies show that computed tomography (CT) is one of the main sources of ionizing radiations. Shielding of radiosensitive organs is one of the dose reduction methods. This study aimed to assess the eye lens dose reduction and image quality resulting from the use of radio-protective bismuth shield in brain CT imaging. Methods: Bismut...

groundwater quality has a direct impact on human life. the main objective of this research is to investigate changes in groundwater quality and levels in lake urmia basin. tasoj and shiramin plains are selected as a study area. the suitability of groundwater quality for drinking and agricultural purposes were assessed using schoeller and wilcox diagram. according to the wilcox classification, t...

In this paper, the author researched on the model of image denoising based on the fusion of anisotropic diffusion and total variation models. The noise is present at almost all data. The noise can degrade image quality, as a result the interpretations and analysis of the image will be much harder. Denoising is the process of reducing the noise.