نتایج جستجو برای: gamma test
تعداد نتایج: 927357 فیلتر نتایج به سال:
The quotient correlation is defined here as an alternative to Pearson’s correlation that is more intuitive and flexible in cases where the tail behavior of data is important. It measures nonlinear dependence where the regular correlation coefficient is generally not applicable. One of its most useful features is a test statistic that has high power when testing nonlinear dependence in cases whe...
abstract in recent years, many researchers have attempted to estimate the soil hydraulic functions (e.g. soil moisture characteristics curve, and hydraulic conductivity function) using particle-size distribution (psd) curve. in these studies, an accurate mathematical representation of psd is required for fitting the observed data. so far, some mathematical models were developed with different l...
Interpretation of the gamma interferon test for diagnosis of subclinical paratuberculosis in cattle.
A group of 252 cattle without clinical signs of paratuberculosis (paraTB) in 10 herds infected with paraTB and a group of 117 cattle in 5 herds without paraTB were selected. Whole-blood samples were stimulated with bovine, avian, and johnin purified protein derivative (PPD) and examined for gamma interferon (IFN-gamma) release. For diagnosis of paraTB, satisfactory estimated specificities (95 t...
We calculate the decay rates for $\eta_c \to \gamma \gamma$, $J/\psi \eta_c$ and \eta_c e^+e^-$ in lattice QCD with $u$, $d$, $s$ $c$ quarks sea first time. improve significantly on previous theory calculations to achieve accuracies of 1--2\%, giving results that are now more accurate than experimental values. In particular our transform theoretical picture $\eta_c\to\gamma\gamma$ decays. use g...
CONTEXT Mycobacterium tuberculosis infection in health care workers has not been adequately studied in developing countries using newer diagnostic tests. OBJECTIVES To estimate latent tuberculosis infection prevalence in health care workers using the tuberculin skin test (TST) and a whole-blood interferon gamma (IFN-gamma) assay; to determine agreement between the tests; and to compare their ...
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