نتایج جستجو برای: proton
تعداد نتایج: 65826 فیلتر نتایج به سال:
bacteriorhodopsin operates as a light/proton transfer pump which converts the light energy into a proton gradient. energy stored in the proton gradient can be used in a variety of ways. bacteriorhodopsin producing sources are some halobacterium species such as halobacterium sodomense and halobacterium salinarum which continue to grow in harsh and salt-saturated conditions. two types of red pigm...
background: the assessment of rbe quantity in the treatment of cancer tumors with proton beams in treatment planning systems (tps) is of high significance. given the significance of the issue and the studies conducted in the literature, this quantity is fixed and is taken as equal to 1.1. objective: the main objective of this study was to assess rbe quantity of proton beams and their variations...
Nowadays, proton exchange membrane fuel cells (PEMFCs) are the most promising green energy conversion devices for portable and stationary applications. Traditionally, these devices were based onperfluoro-sulfonic acid electrolytes membranes, given the commercial name Nafion. Nafion is the mostused electrolyte membrane till now; because of its high electrochemical properties su...
In this paper, the invariant mass spectra of Λ (1405)→(Σπ)0 in high energy proton-proton collisions in center of mass frame have been theoretically investigated. In pp collision the Λ (1405) formation possibility has been taken into account and its decay rate to (Σπ)0 channel, has been calculated with T-matrix elements and Green’s function method. Finally, the results have been compared with ...
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