نتایج جستجو برای: gamma method
تعداد نتایج: 1742301 فیلتر نتایج به سال:
Let $G$ be a semisimple Lie group and $\Gamma$ lattice in $G$. We generalize method of Burger to prove precise effective equidistribution results for translates pieces horospheres the homogeneous space $\Gamma\backslash G$.
A straightforward method for the synthesis of gamma-halo-substituted ketones formed via the CAN-initiated oxidative addition of halides to 1-substituted cyclobutanols has been developed. This method has short reaction times, and provides access to a range of bromo and iodo gamma-substituted ketones in good to excellent yields.
In order to improve on current prompt fission neutron spectrum measurements, a gamma multiplicity tagging method was developed at the Rensselaer Polytechnic Institute Gearttner Linear Accelerator Center. This method involves using a coincidence requirement on an array of BaF2 gamma detectors to determine the timing of a fission event. This allows for much larger fission samples to be used due t...
The present study deals with a new method for measuring the power of a reactor. This method uses gamma and neutron radiation resulted from the entire reactor structure, without changing its structure (online). In terms of functionality, this method can measure the reactor power in real-time and report it instantly. In order to obtain the relationship between reactor power and gamma and neutron ...
We study the electromagnetic (EM) decays of $X(3823)$ as ${\ensuremath{\psi}}_{2}(1{^{3}D}_{2})$ state by using relativistic Bethe-Salpeter method. Our results are $\mathrm{\ensuremath{\Gamma}}[X(3823)\ensuremath{\rightarrow}{\ensuremath{\chi}}_{c0}\ensuremath{\gamma}]=1.2\text{ }\text{ }\mathrm{keV}$, $\mathrm{\ensuremath{\Gamma}}[X(3823)\ensuremath{\rightarrow}{\ensuremath{\chi}}_{c1}\ensurem...
The shape method, a novel approach to obtain the functional form of $\ensuremath{\gamma}$-ray strength function $(\ensuremath{\gamma}\mathrm{S}\mathrm{F})$, is introduced. In connection with Oslo method slope nuclear level density (NLD) and $\ensuremath{\gamma}\mathrm{S}\mathrm{F}$ can be obtained simultaneously even in absence neutron resonance spacing data. foundation lies primary transitions...
Hyssopus officinalis L. is one of the most important medicinal plants. Medicinal herbs are contaminated by microorganisms. Conventional methods for reducing of microbial loads such as ethylene oxide, propylene oxide and also use of steam are hazardous and instead, non-thermal process such as microwave and gamma radiation are being used widely in order to eliminate the microbial contaminations ...
Introduction: Among the factors that may be associated with the re-expression gamma-globin in adults is the methylation pattern of the promoter region. The study aimed to determine the association between promoter methylation pattern of the gamma-globin gene in the carriers and affected beta-thalassemia individuals and its expression levels. Methods: This study has been done as a case control-...
Objectives: Autism Spectrum Disorder (ASD) is a group of neurodevelopment syndromes with impairments in social communications and restrictive or repetitive behaviors. Neurofeedback is a new method that may regulate neuro and metabolic function in brain. This study is semi-experimental, with pre and post test. Methods: In 26 children with ASD, 40 sessions of Neurofeedback were done. Brain...
In this research work, effect of carbonate content on EPR response of gamma irradiated HAP were investigated. The carbonated HAP samples were prepared by substitution of carbonate group into HAP structure via chemical method. Fourier Transform Infrared (FTIR) spectroscopy and X-ray diffraction (XRD) methods were used to investigate the structural changes of the samples. Then, the samples were s...
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