نتایج جستجو برای: factor analysis
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مزارع برنج از جمله اکوسیستم های خشکی هستند که از شرایط محیطی مناسبی برای رشد و انتشار سیانوباکتری ها برخوردارند. جنس anabaena bory ex bornet et flahault از جمله مهمترین جلبک های سبز-آبی رشته ای دارای هتروسیست در این اکوسیستم های خشکی به شمار می آید. در مطالعه حاضر، ایزوله های مختلف از این جنس، از خاک مزارع برنج 7 استان دارای کشت برنج واقع در مناطق شمالی، جنوبی، شرقی، غربی و مرکزی کشور، از اردیب...
four rapeseed cultivars (hayola 401, hayola 308, rgs and option) were evaluated for some physiological traits under stress (50 % field capacity (fc) and non-stress (irrigated) conditions. the factorial set of treatments was arranged within a randomized complete block design with three replications. the collected data were analyzed using path and factor analyses. these is results showed that bas...
the present research is concerned with the determination of ductility, over-strength and response modification factors of coupled steel shear wall frames. three structural models with various numbers of stories, bay width and coupling beam height were analyzed using static pushover and incremental nonlinear dynamic analyses. the ductility, over-strength and response modification factors for the...
measurements of pb, cu, zn, as, ni, hg, and fe heavy metals and major elements and components such as ca, hco3, so4, na, k, mg and cl in soluble rain fractions were performed on rainwater collected at arak plain during the rainy seasons of 2012. concentrations of the heavy metals in the soluble fractions decreased for fe, pb, zn, ni, cu, as and hg, respectively and the major elements and compon...
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abstract background & aim: evaluation and measurement of mother’s satisfaction from postpartum cares is so important in the quality of health care indexes. the purpose of this study was to examine the psychometric properties of the postpartum satisfaction nursing care questionnaire (jpsnq). material & methods: this study was a methodological research. at the first, the english version of questi...
as the conditions in the market and in the world of work and commerce gets more complicated, this requires cor-rection, improvement and also updating marketing attitude among manufacturers and marketers. it is an urgent requirement to choose and determine strategies in order to achieve the objectives. strategy means the comprehensive and main plan in manufacturing unit revealing the way it achi...
in the modern world, organizations are considered as intelligent systems. increased organizational intelligence (oi) helps organizations to effectively analyze their data, store results, and use outcomes for making professional decisions. the purpose of this study was to measure oi in agriculture- jihad organization in guilan. a sample of 201 out of personnel was selected from in agriculture- j...
to compare different qtl mapping methods, a population with genotypic and phenotypic data was simulated. in bayesian approach, all information of markers can be used along with combination of distributions of snp markers. it is assumed that most of the markers (95%) have minor effects and a few numbers of markers (5%) exert major effects. the simulated population included a basic population of ...
conclusions persian version of the self-management scale for patients with epilepsy is valid and reliable to measure the dimensions of self-management in iranian patients and it can be used to measure epileptics’ self-management. further research on the safety of this tool is recommended. results the validity of all items was above 0.63 and their content validity indexes (0.81-1) were appropria...
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