نتایج جستجو برای: kappa distribution
تعداد نتایج: 639761 فیلتر نتایج به سال:
The Earth's magnetosphere represents a natural plasma laboratory that allows us to study the behavior of particle distribution functions in absence Coulomb collisions, typically described by Kappa distributions. We have investigated properties these for ions and electrons different magnetospheric regions, thereby making it possible reveal $\kappa$-parameters wide range beta ($\beta$) values (fr...
BACKGROUND AND PURPOSE If the diagnostic and prognostic significance of brain microbleeds (BMBs) are to be investigated and used for these purposes in clinical practice, observer variation in BMB assessment must be minimized. METHODS Two doctors used a pilot rating scale to describe the number and distribution of BMBs (round, low-signal lesions, <10 mm diameter on gradient echo MRI) among 264...
Species Distribution Modelling (SDM) is an important tool for conservation planning and resource management. Invasive species represent a good opportunity to evaluate SDMs predictive accuracy with independent data as their invasive range can expand quickly. Thus, the aim of this study was to investigate the relationships between presence of Leucanthemum vulgare Lam. and environmental v...
Investigation of the relationship between plant species and environmental factors plays an important role in plant ecology. The present study aimed to develop the best predicting model for distribution of Prangos uloptera DC. using logistic regression (LR) and Maximum Entropy Methods (MaxEnt) in its habitat in the southern rangeland of Ardabil province, Iran. Vegetation data (presence and absen...
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