نتایج جستجو برای: spin cut off parameter
تعداد نتایج: 557386 فیلتر نتایج به سال:
BACKGROUND A short screening for social anxiety disorder is useful in clinical and epidemiological contexts. However, the German version of the short form of the Social Phobia Inventory (mini-SPIN) has not been evaluated yet. Therefore, our aim was to determine reliability, validity and population based norms of the German mini-SPIN. METHODS The mini-SPIN was evaluated in a clinical (N = 1254...
Background: In myocardial perfusion SPECT imaging, images are degraded by photon attenuation, the distance-dependent collimator, detector response and photons scatter. Filters greatly affect quality of nuclear medicine images Materials and Methods: A phantom simulating heart left ventricle was built. About 1mCi of 99mTc was injected into the phantom. Images were taken from this phantom. Some fi...
Background Evaluation of anti-mullerian hormone (AMH) cut-off levels in assisted reproductive technology (ART) as predictive factor for individualization of stimulation protocols and to avoid ovarian hyperstimulation syndrome (OHSS). MaterialsAndMethods In a retrospective study, 177 infertile patients were assessed for AMH in serum and follicular fluid (FF) on the day of follicular puncture (FP...
OBJECTIVE To find a hematological parameter and the cut-off level for identification of nonsickling hemoglobinopathies in pregnant women. MATERIALS AND METHODS Venous blood samples of 849 women with singleton pregnancies were collected at the first visit. All women who met inclusion criteria were examined for nonsickling hemoglobinopathy. On the basis of the sensitivity and the specificity of...
OBJECTIVES AND BACKGROUND Functional assessment of intermediate coronary stenosis during cardiac catheterization is conducted using diagnostic parameters like fractional flow reserve (FFR), coronary flow reserve (CFR), hyperemic stenosis resistance index (HSR), and hyperemic microvascular resistance (HMR). CDP (ratio of pressure drop across a stenosis to distal dynamic pressure), a nondimension...
The most frequent forms of inherited thrombocytopenia (IT) are characterized by platelet size abnormalities and it has been suggested that this parameter is useful for their differentiation from immune thrombocytopenia (ITP). Recently, a monocentric study identified cut-off values for mean platelet volume (MPV) and mean platelet diameter (MPD) with good diagnostic accuracy in this respect. To v...
The root-mean-square of non-relativistic warm dark matter particle velocities scales as vhrms(a)=vhrms(1)/a , where a is the expansion parameter universe. This velocity dispersion results in cut-off power spectrum density fluctuations due to free-streaming. Let kfs (teq) be free-streaming comoving wavenumber at time equal densities radiation and matter. We obtain 68% confidence, from observed d...
one of the main solutions to commercialize intellectual assets of universities and research centers is developing spin off companies. the main objective of this article is identification and prioritization of the challenges which these firms confront with to become successful. to address the objective, we used exploratory mixed method. after investigating the related literature, we made eleven ...
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