نتایج جستجو برای: decay
تعداد نتایج: 73625 فیلتر نتایج به سال:
The aim of the study was to examine the effect of CaCl2 on the firmness and post harvest retention of Berry Grape (Vitis vinifera L.) cv. Askari. The experiment was carried out in 2006 in vineyard in the Sisakht region in a completely randomized design with 7 treatments. Experiment includes two parts: 1- spray with 3 levels 0.1, 0.25 and 0.5 %. (Two weeks before harvest and repeated one day bef...
Background and purpose: Radon is a colorless inert gas which decay products are the main component of natural radioactive elements that are naturally produced in under layers of earth crust by decay of radium and uranium. It enters through buildings via gaps and cracks. Alpha particle emissions as a radon gas decay product can increase the incidence of lung cancer in human. Every person spends ...
Decline in postharvest losses of kiwifruit depended to maintain of quality characteristics during storage and transportation. Storage losses caused serious economic losses in kiwifruit. This study was conducted to inhibition of pathogen infection and increasing fruit quality of Kiwifruit. Hayward kiwifruits inoculated by B.cinerea conidia through pore wounds which formed by removal of the pedic...
Introduction: Increasing the civil incidents including residential fires is a consequence of population growth and development of cities. Residential fire is one of the most important scenarios requiring fast response. Fire response operation encompass various and serious risks for responding team members. Therefore, the present study looks for determining the critical tasks of fire operation r...
We construct two new classes of models for double beta decay, each of which leads to an electron spectrum which differs from the decays which are usually considered. One of the classes has a spectrum which has not been considered to date, and which is softer than the usual two-neutrino decay of the Standard Model. We construct illustrative models to show how other phenomenological bounds can be...
Abstract: In this work we give a detailed description of a method for the calculation of QCD corrections to electroweak processes in dimensional regularization that does not require any definition of the γ5 matrix in d dimensions. This method appears particularly convenient in order to limit the algebraic complexity of higher order calculations. As an example, we compute the leading logarithmic...
We consider an inflationary model in the hidden-sector broken supergravity with an effectively large cutoff. The inflaton decay into right-handed neutrinos naturally causes the observed baryon asymmetry of the universe with a reheating temperature low enough to avoid the gravitino overproduction. We emphasize that all the phenomenological requirements from cosmology and particle physics are sat...
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