نتایج جستجو برای: validation area
تعداد نتایج: 746422 فیلتر نتایج به سال:
there is a great interest in developing rapid analytical methods and provide appropriate parametersfor quantitative analysis of compounds derived from refractory pollutants. such methods are important forroutine quality control analysis of an effluent before being discharged into the environment. therefore, a rapid methodology for identification and quantification of some aliphatic acids is pro...
conclusions the farsi version of the pass is a valid and reliable tool to measure academic procrastination in iranian undergraduate medical students. background procrastination is a common behavior which affects different aspects of life. the procrastination assessment scale-student (pass) evaluates academic procrastination apropos its frequency and reasons. objectives the aims of the present s...
background and aim : hearing impairment affects educational skills of hearing-impaired students, but its negative impact is far more on reading and writing skills. this study was performed to design and validate an educational software to improve writing skills. methods : in this study, the mixed-methods approach was used. in the first step, the qualitative method was used to design the educat...
With wide-spread acceptance of the ISO-OSI reference model and its standardized protocols in the areas of computer communication and information exchange, formal specifications have become an area of active research and development. This paper surveys issues and recent developments obtained mainly from our undergoing research. The discussion includes four important aspects of the area: protocol...
BACKGROUND Particulate matter (PM) exposure leads to premature death, mainly due to respiratory and cardiovascular diseases. OBJECTIVES Identification of transcriptomic biomarkers of air pollution exposure and effect in a healthy adult population. METHODS Microarray analyses were performed in 98 healthy volunteers (48 men, 50 women). The expression of eight sex-specific candidate biomarker ...
BACKGROUND AND PURPOSE To develop and validate a risk score (acute ischemic stroke-associated pneumonia score [AIS-APS]) for predicting in-hospital stroke-associated pneumonia (SAP) after AIS. METHODS The AIS-APS was developed based on the China National Stroke Registry, in which eligible patients were randomly classified into derivation (60%) and internal validation cohort (40%). External va...
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