نتایج جستجو برای: oscillating reactions
تعداد نتایج: 177299 فیلتر نتایج به سال:
Some mathematical models have been proposed to elucidate the mechanism by which an oscillating reaction is generated as a complex system. Brusselator and Oregonator do not only describe oscillating reaction systems but also reproduce multiple periodic oscillations, burst waves and drawing synchronization. All theoretical researches on these models did not give each differential equation with co...
As a novel biomimetic polymer, we have developed polymer gels with an autonomous self-oscillating function. This was achieved by utilizing oscillating chemical reactions, called the Belousov-Zhabotinsky (BZ) reaction, which is recognized as a chemical model for understanding several autonomous phenomena in biological systems. Under the coexistence of the reactants, the polymer gel undergoes spo...
The study of oscillating chemical reactions has been dominated by the Belousov-Zhabotinskii (BZ) reaction. It is also called the chemical clock, which is similar to the biological clock. When the chemical reaction is far from equilibrium, the concentration of some substances in the reaction system exhibits a regular change with time, a kind of self-regulating function similar to what happens in...
The purported effects of weak magnetic fields on various biological systems from animal magnetoreception to human health have generated widespread interest and sparked much controversy in the past decade. To date the only well established mechanism by which the rates and yields of chemical reactions are known to be influenced by magnetic fields is the radical pair mechanism, based on the spin-d...
The Higgs effective potential with temperature corrections is considered and different cases of scalar field symmetry state are discussed within gauge theories of gravity. It is shown that nonsingular oscillating solutions of cosmological equations exist for this model. PACS: 04.50, 98.80Cq
This work presents a new clock reaction based on ozone, iodine, and chlorate that differs from the known chlorate-iodine clock reaction because it does not require UV light. The induction period for this new clock reaction depends inversely on the initial concentrations of ozone, chlorate, and perchloric acid but is independent of the initial iodine concentration. The proposed mechanism conside...
The common points and differences between the Bray-Liebhafsky and BriggsRauscher reactions are discussed. The reactants of the non-catalyzed version of the Briggs-Rauscher reaction being the same as those of the Bray-Liebhafsky reaction plus a reducing organic compound, the mechanisms of these two systems must have several common points. The marked difference between the oscillating behaviours ...
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