نتایج جستجو برای: β indicates model coefficient and εi
تعداد نتایج: 17220877 فیلتر نتایج به سال:
today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...
Background & Aim: Diabetes is one of the chronic diseases with no curative treatment; also, it is the most common cause of amputation, blindness and chronic renal failure and the most important risk factor of heart diseases. Logistic regression is one of the statistical analysis models for predicting that can be used to find out the relationship between dependent and predictor independent varia...
Objectives: The current study was designed to explain the causal relationship between irrational beliefs and the marital satisfaction based on the mediating role of the conflict resolution behavior and the marital stress. Methods: The research had a descriptive-correlational design and the statistical population of the study consisted of all married men and women living in Tehran in 1398, fro...
Today, the role of spiritual leaders is to stimulate employees by employing a spiritual perspective and creating cultural backgrounds based on human values to raise capable employees. On the other hand, professional ethics is one of the variables that has a significant impact on individual and group activities and outcomes of the organization. The purpose of this study was to investigate the re...
In this article, we studied the convergence of regional economic growth in Beijing. We divided 18 districts and counties in Beijing into four economic regions, utilized the method of Gini coefficient decomposition to educe the σ -convergence didn’t exist in the regional economic growth of Beijing. At the same time, we utilized the panel data model and the spatial panel data model analysis to ed...
We report the first observation of de Haas–van Alphen (dHvA) effect in novel spin-triplet superconductor UTe2 using high quality single crystals with a residual resistivity ratio (RRR) over 200. The dHvA frequencies, named α and β, are detected for field directions between c- a-axes. frequency branch β increases rapidly angle tilted from to a-axis, while splits, owing maximal minimal cross-sect...
Multi-walled carbon nanotubes (CNTs) are synthesized with the assistance of water vapor in a horizontal reactor using methane over Co-Mo/MgO catalyst through chemical vapor deposition method. The application of Adaptive Neuro-Fuzzy Inference System (ANFIS) technique for modeling the effect of important parameters (i.e. temperature, reaction time and amount of H2O vapor) on the qualit...
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
This work studies the electrical properties for pure epoxy, and epoxy with (0, 1, 1.5, 2 wt%) titanium dioxide powder composites. The effects of contents on optical dielectrically epoxy/ have investigated by several techniques were used to characterize epoxy/titanium dioxide: UV-visible spectrophotometer reveals a new absorption band in wavelength range (350-600) nm. findings this investigation...
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