نتایج جستجو برای: dical scavenger
تعداد نتایج: 8852 فیلتر نتایج به سال:
Radical-induced degradation of proton exchange membranes limits the durability proton-exchange membrane fuel cells. Cerium is widely used as a radical scavenger, but migration cerium ions to the...
A putative collagen structure from macrophage scavenger receptors binds to a wide range of ligands. In order to elucidate the ligand's binding mode, this collagen structure was constructed using short peptides. This was accomplished by the reaction of a tri-bromoacetylated branched peptide with a purified unprotected 25-residue peptide, which contained Cys, 4 repeats of triplet, Gly-Pro-Hyp, an...
The power chain of autonomous devices consists of an energy scavenger, power converter and energy storage system. The interaction between a piezoelectric vibration energy scavenger, the power converter and the energy storage system is investigated. A system level approach, including mechanical and electrical domains, is pursued for impedance matching from mechanical domain to electrical domain ...
The dynamics of the planar two-species Lotka-Volterra predator-prey model are well-understood. Onto such a predator-prey model, we introduce a third species, a scavenger of the prey. Our model allows for two scenarios, one where the scavenger is also a predator of the original prey, and one where the presence of the scavenger simply inhibits the prey. We show all trajectories are bounded in for...
The methanol extract of the dried ripe fruits of Alpinia rafflesiana was investigated for its DPPH free radical scavenger constituents. 2',3',4',6'-Tetrahydroxychalcone (7), which has never been isolated from natural sources was found to be most active as a DPPH free radical scavenger with the IC50 value of 55 microM. Other known compounds isolated from this species include 5,6-dehydrokawain (1...
The “Scavenger” polyclinic is a that provides free medical treatment and medicine for people in the scavenger village area. From operational side, assisted by personnel from Indonesian Red Crescent (BSMI) medicines Al-Falah Social Fund Foundation (YDSF), while admin comes residents. Based on results of interviews observations, it concluded what partners need insight skills inventory activities,...
Se diseñó y evaluó un circuito de flotación mediante simulación en el software HSC versión 6.12, modelado módulo “Sim Flowsheet Simulation”, empleando etapas rougher, scavenger cleaner, sin remolienda una mineralogía alimentación compuesta por 0,0012% oro, 11,2% FeS2, 3,2% CuFeS2 85,6% ganga no sulfurosa 90% SiO2 10% Al2O3.
 El modelo se basa balance másico los distintos minerales particip...
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