نتایج جستجو برای: medical conventional x
تعداد نتایج: 1414777 فیلتر نتایج به سال:
We report a case of a 17-year-old institutionalised male with a medical history of fragile X syndrome, bilateral congenital glaucoma, cataracts and pica disorder. He was transferred to our paediatric intensive care unit owing to respiratory failure and hypotension. On transoesophageal echocardiogram, he presented left atrium compression. A CT of the thorax and mediastinum revealed an unknown he...
Introduction: Infantile colic has been defined as episodes of excessive and persistent crying without known medical cause. Kangaroo mother care is a new method for case of newborn with several advantages. This study designed for evolution KMC and its effect on infantile colic. Methods: This study is a randomized controlled trial, from 1th may 2008 to 1th may 2009 a total of 70 children, aged 3-...
Background and purpose: Increasing number of patients undergoing x-ray examinations has created a global concern due to the deleterious biological effects associated with x-ray exposure. Adherence to ionizing radiation protection principles could be of great benefit in decreasing these effects. Accordingly, the aim of this study was to survey radiation protection in diagnostic x-ray imaging in ...
Recently, there has been significant progress in the field of soft- and hard-X-ray imaging for a wide range of applications, both technically and scientifically, via developments in sources, optics and imaging methodologies. While one community is pursuing extensive applications of available X-ray tools, others are investigating improvements in techniques, including new optics, higher spatial r...
this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...
The x-ray tube is still the most common source of x-rays, but cutting-edge medical applications demand high quality beams of x-rays, the production of which often requires large, expensive synchrotron x-ray facilities. Our scheme deploys a recently demonstrated tabletop source of 1-100 keV synchrotron radiation. Here, in order to produce high quality x-rays, electrons are accelerated and wiggle...
Conventional diagnostic X-ray units are used for radiographic imaging in many countries. For obtaining entrance surface doses, a numerical dose determination method has been applied in Japan. Although this technique is effective, it has to account for errors, particularly fluctuations, due to the beam quality and output of X-ray tubes. As a part of our quality control procedures, we recorded th...
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